Filer Snapshot

Cabaletta Bio, Inc. SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001759138.

Entity Type

Company

Total Filings

419

Latest Filing

04 May 2026

Industry

Biological Products, (No Disgnostic Substances)

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Source: SEC filing 8-K

8-K filed on 04 May 2026 for CIK 0001759138.

View Source Filing
Symbol
CABA on Nasdaq
Industry
Biological Products, (No Disgnostic Substances) (Office Of Life Sciences)
Business address
2929 Arch Street, Suite 600, Philadelphia, PA, 19104
State of incorporation
DE
Fiscal year end
31 December

Quick Takeaways

  • Cabaletta Bio, Inc. is an SEC filer tracked under CIK 0001759138.
  • 419 filings are listed on this profile.
  • Common form coverage includes 8-K, 424B5, ARS and more.

What Changed

  • Latest filing: 8-K filed on 04 May 2026.
  • Report period: 04 May 2026.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
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Source Evidence

Source: SEC filing 8-K

8-K filed on 04 May 2026 for CIK 0001759138.

View Source Filing

Return Loop

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A newly filed 8-K can change the filing history, ownership context, or next research path for Cabaletta Bio, Inc..

Latest source-backed update
8-K filed 04 May 2026
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  • Latest filing on record: 8-K filed 04 May 2026.
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Latest update

What changed recently for Cabaletta Bio, Inc.

New fact period available

Latest financial period: Q4 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

28 Apr 2026

Page type

Company facts

Latest period

Q4 2025

SEC-backed company facts were refreshed from filings filed on 28 Apr 2026.

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Benchmark Context

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Cabaletta Bio, Inc. has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

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Why this is notable

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  • Latest company facts filing date: 28 Apr 2026.
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Company intelligence

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Active modules

3/5

Available company intelligence paths on this page.

Filings

419

SEC submissions provide the evidence trail.

Ownership context

1/3

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Forms 3/4/5

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Filer Overview

Cabaletta Bio, Inc. has filed 419 SEC EDGAR filings since 10 Dec 2018. Common forms include 8-K, 424B5, ARS, DEFA14A and more.

Biological Products, (No Disgnostic Substances) Insider transactions Latest 13F filings

Latest Filings

Recent SEC filings for Cabaletta Bio, Inc. with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 May 2026 04 May 2026 001-39103
424B5 Open 424B5 document View SEC filing for 424B5 424B5 04 May 2026 333-278126
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 May 2026 04 May 2026 001-39103
ARS Open ARS document View SEC filing for ARS ARS 28 Apr 2026 31 Dec 2025 001-39103
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 28 Apr 2026 001-39103
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 28 Apr 2026 09 Jun 2026 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Apr 2026 20 Apr 2026 001-39103
PRE 14A Open PRE 14A document | Open XBRL data View SEC filing for PRE 14A PRE 14A 17 Apr 2026 09 Jun 2026 001-39103
S-8 Open S-8 document | Open XBRL data View SEC filing for S-8 S-8 23 Mar 2026 333-294514
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 23 Mar 2026 31 Dec 2025 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Mar 2026 23 Mar 2026 001-39103
4 Open 4 document View SEC filing for 4 4 02 Mar 2026 02 Mar 2026
4 Open 4 document View SEC filing for 4 4 02 Mar 2026 02 Mar 2026
4 Open 4 document View SEC filing for 4 4 02 Mar 2026 02 Mar 2026
4 Open 4 document View SEC filing for 4 4 02 Mar 2026 02 Mar 2026
4 Open 4 document View SEC filing for 4 4 02 Mar 2026 02 Mar 2026
4 Open 4 document View SEC filing for 4 4 02 Mar 2026 02 Mar 2026
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 18 Feb 2026 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 17 Feb 2026 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 17 Feb 2026 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 17 Feb 2026 005-91178
4 Open 4 document View SEC filing for 4 4 21 Jan 2026 21 Jan 2026
4 Open 4 document View SEC filing for 4 4 21 Jan 2026 21 Jan 2026
4 Open 4 document View SEC filing for 4 4 21 Jan 2026 21 Jan 2026
4 Open 4 document View SEC filing for 4 4 21 Jan 2026 21 Jan 2026
4 Open 4 document View SEC filing for 4 4 21 Jan 2026 21 Jan 2026
4 Open 4 document View SEC filing for 4 4 21 Jan 2026 21 Jan 2026
4 Open 4 document View SEC filing for 4 4 21 Jan 2026 21 Jan 2026
4 Open 4 document View SEC filing for 4 4 21 Jan 2026 21 Jan 2026
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Jan 2026 12 Jan 2026 001-39103
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Nov 2025 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Nov 2025 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Nov 2025 005-91178
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Nov 2025 30 Sep 2025 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Nov 2025 10 Nov 2025 001-39103
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 07 Nov 2025 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 07 Nov 2025 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 07 Nov 2025 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 05 Nov 2025 005-91178
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Oct 2025 29 Oct 2025 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Oct 2025 27 Oct 2025 001-39103
4 Open 4 document View SEC filing for 4 4 15 Oct 2025 13 Oct 2025
3 Open 3 document View SEC filing for 3 3 15 Oct 2025 13 Oct 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Oct 2025 09 Oct 2025 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Sep 2025 03 Sep 2025 001-39103
EFFECT Open EFFECT document View SEC filing for EFFECT 15 Aug 2025 333-289339
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 14 Aug 2025 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Aug 2025 005-91178
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 14 Aug 2025 005-91178
CORRESP Open CORRESP document View SEC filing for CORRESP 13 Aug 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 13 Aug 2025 333-289339
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 12 Aug 2025 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 11 Aug 2025 005-91178
S-3 Open S-3 document | Open XBRL data View SEC filing for S-3 S-3 07 Aug 2025 333-289339
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 07 Aug 2025 30 Jun 2025 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Aug 2025 07 Aug 2025 001-39103
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 06 Aug 2025 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 06 Aug 2025 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 29 Jul 2025 005-91178
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 16 Jul 2025 005-91178
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 20 Jun 2025 005-91178
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Jun 2025 11 Jun 2025 001-39103
424B5 Open 424B5 document View SEC filing for 424B5 424B5 12 Jun 2025 333-278126
424B5 Open 424B5 document View SEC filing for 424B5 424B5 11 Jun 2025 333-278126
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Jun 2025 11 Jun 2025 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Jun 2025 09 Jun 2025 001-39103
4 Open 4 document View SEC filing for 4 4 09 Jun 2025 09 Jun 2025
4 Open 4 document View SEC filing for 4 4 09 Jun 2025 09 Jun 2025
4 Open 4 document View SEC filing for 4 4 09 Jun 2025 09 Jun 2025
4 Open 4 document View SEC filing for 4 4 09 Jun 2025 09 Jun 2025
4 Open 4 document View SEC filing for 4 4 09 Jun 2025 09 Jun 2025
4 Open 4 document View SEC filing for 4 4 19 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 4 19 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 4 19 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 4 19 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 4 19 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 4 19 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 4 19 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 4 19 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 4 19 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 4 19 May 2025 19 May 2025
4 Open 4 document View SEC filing for 4 4 19 May 2025 19 May 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 May 2025 15 May 2025 001-39103
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2025 31 Mar 2025 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2025 15 May 2025 001-39103
ARS Open ARS document View SEC filing for ARS ARS 13 May 2025 31 Dec 2024 001-39103
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 13 May 2025 09 Jun 2025 001-39103
PRE 14A Open PRE 14A document | Open XBRL data View SEC filing for PRE 14A PRE 14A 30 Apr 2025 09 Jun 2025 001-39103
EFFECT Open EFFECT document View SEC filing for EFFECT 31 Mar 2025 333-278126
S-8 Open S-8 document View SEC filing for S-8 S-8 31 Mar 2025 333-286246
POS AM Open POS AM document View SEC filing for POS AM POS AM 31 Mar 2025 333-278126
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 31 Mar 2025 31 Dec 2024 001-39103
POSASR Open POSASR document View SEC filing for POSASR POSASR 31 Mar 2025 333-278126
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Mar 2025 31 Mar 2025 001-39103
4 Open 4 document View SEC filing for 4 4 04 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 4 04 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 4 04 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 4 04 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 4 04 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 4 04 Mar 2025 03 Mar 2025
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 18 Feb 2025 18 Feb 2025 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Feb 2025 18 Feb 2025 001-39103
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 05 Feb 2025 005-91178
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Jan 2025 13 Jan 2025 001-39103
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A CABALETTA BIO, INC. 06 Dec 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 05 Dec 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A CABA 11302024 13G/A 05 Dec 2024 005-91178
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Nov 2024 18 Nov 2024 001-39103
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Nov 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A CABALETTA BIO, INC. 14 Nov 2024 005-91178
SC 13G Open SC 13G document View SEC filing for SC 13G 14 Nov 2024 005-91178
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2024 30 Sep 2024 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Nov 2024 14 Nov 2024 001-39103
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 12 Nov 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A CABALETTA BIO, INC. 12 Nov 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 04 Nov 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 04 Nov 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 04 Nov 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 17 Oct 2024 005-91178
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Oct 2024 07 Oct 2024 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Sep 2024 30 Sep 2024 001-39103
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 22 Aug 2024 005-91178
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Aug 2024 30 Jun 2024 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Aug 2024 08 Aug 2024 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Jun 2024 14 Jun 2024 001-39103
SC 13G Open SC 13G document View SEC filing for SC 13G 10 Jun 2024 005-91178
SC 13G Open SC 13G document View SEC filing for SC 13G 13G MONTHLY FILING - CABA 06 Jun 2024 005-91178
4 Open 4 document View SEC filing for 4 4 04 Jun 2024 03 Jun 2024
4 Open 4 document View SEC filing for 4 4 04 Jun 2024 03 Jun 2024
4 Open 4 document View SEC filing for 4 4 04 Jun 2024 03 Jun 2024
4 Open 4 document View SEC filing for 4 4 04 Jun 2024 03 Jun 2024
4 Open 4 document View SEC filing for 4 4 04 Jun 2024 03 Jun 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Jun 2024 03 Jun 2024 001-39103
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 May 2024 31 Mar 2024 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 May 2024 15 May 2024 001-39103
ARS Open ARS document View SEC filing for ARS ARS 23 Apr 2024 31 Dec 2023 001-39103
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 23 Apr 2024 001-39103
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 23 Apr 2024 03 Jun 2024 001-39103
S-3ASR Open S-3ASR document View SEC filing for S-3ASR S-3ASR 21 Mar 2024 333-278126
S-8 Open S-8 document View SEC filing for S-8 S-8 21 Mar 2024 333-278124
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 21 Mar 2024 31 Dec 2023 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Mar 2024 21 Mar 2024 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Mar 2024 20 Mar 2024 001-39103
4 Open 4 document View SEC filing for 4 4 04 Mar 2024 01 Mar 2024
4 Open 4 document View SEC filing for 4 4 04 Mar 2024 01 Mar 2024
4 Open 4 document View SEC filing for 4 4 04 Mar 2024 01 Mar 2024
4 Open 4 document View SEC filing for 4 4 04 Mar 2024 01 Mar 2024
4 Open 4 document View SEC filing for 4 4 04 Mar 2024 01 Mar 2024
4 Open 4 document View SEC filing for 4 4 04 Mar 2024 01 Mar 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A CABALETTA BIO, INC. 14 Feb 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 2 14 Feb 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A CABALETTA BIO, INC. 14 Feb 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Feb 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Feb 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 12 Feb 2024 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A CABALETTA BIO, INC. 07 Feb 2024 005-91178
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Feb 2024 01 Feb 2024 001-39103
SC 13G Open SC 13G document View SEC filing for SC 13G 24 Jan 2024 005-91178
4 Open 4 document View SEC filing for 4 4 19 Jan 2024 19 Jan 2024
SC 13G Open SC 13G document View SEC filing for SC 13G 08 Jan 2024 005-91178
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Jan 2024 08 Jan 2024 001-39103
4 Open 4 document View SEC filing for 4 4 19 Dec 2023 19 Dec 2023
4 Open 4 document View SEC filing for 4 4 21 Nov 2023 20 Nov 2023
144 Open 144 document View SEC filing for 144 20 Nov 2023 001-39103
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Nov 2023 30 Sep 2023 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Nov 2023 09 Nov 2023 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Nov 2023 06 Nov 2023 001-39103
4 Open 4 document View SEC filing for 4 4 19 Oct 2023 19 Oct 2023
144 Open 144 document View SEC filing for 144 19 Oct 2023 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Oct 2023 02 Oct 2023 001-39103
4 Open 4 document View SEC filing for 4 4 20 Sep 2023 19 Sep 2023
144 Open 144 document View SEC filing for 144 19 Sep 2023 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Sep 2023 05 Sep 2023 001-39103
4 Open 4 document View SEC filing for 4 4 22 Aug 2023 21 Aug 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Aug 2023 18 Aug 2023 001-39103
144 Open 144 document View SEC filing for 144 21 Aug 2023 001-39103
S-8 Open S-8 document View SEC filing for S-8 S-8 10 Aug 2023 333-273863
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Aug 2023 30 Jun 2023 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Aug 2023 10 Aug 2023 001-39103
4 Open 4 document View SEC filing for 4 4 24 Jul 2023 21 Jul 2023
3 Open 3 document View SEC filing for 3 3 24 Jul 2023 21 Jul 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Jul 2023 21 Jul 2023 001-39103
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jul 2023 19 Jul 2023
144 Open 144 document View SEC filing for 144 19 Jul 2023 001-39103
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Jun 2023 20 Jun 2023
144 Open 144 document View SEC filing for 144 20 Jun 2023 001-39103
144 Open 144 document View SEC filing for 144 20 Jun 2023 001-39103
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2023 01 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2023 01 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2023 01 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2023 01 Jun 2023
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 01 Jun 2023 005-91178
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Jun 2023 01 Jun 2023 001-39103
SC 13G Open SC 13G document View SEC filing for SC 13G 26 May 2023 005-91178
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 May 2023 22 May 2023 001-39103
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 May 2023 19 May 2023
144 Open 144 document View SEC filing for 144 19 May 2023 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 May 2023 17 May 2023 001-39103
424B5 Open 424B5 document View SEC filing for 424B5 424B5 18 May 2023 333-270599
424B5 Open 424B5 document View SEC filing for 424B5 424B5 18 May 2023 333-270599
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 May 2023 16 May 2023 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 May 2023 16 May 2023 001-39103
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 May 2023 31 Mar 2023 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 May 2023 11 May 2023 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 May 2023 02 May 2023 001-39103
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EFFECT Open EFFECT document View SEC filing for EFFECT 26 Apr 2023 333-270599
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SC 13G Open SC 13G document View SEC filing for SC 13G CABALETTA BIO, INC. 10 Feb 2023 005-91178
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4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Jan 2023 18 Jan 2023
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SC 13G Open SC 13G document View SEC filing for SC 13G 13 Jan 2023 005-91178
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Jan 2023 09 Jan 2023 001-39103
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8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Dec 2022 07 Dec 2022 001-39103
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424B5 Open 424B5 document View SEC filing for 424B5 424B5 08 Dec 2022 333-250006
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8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Nov 2022 10 Nov 2022 001-39103
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 07 Nov 2022 005-91178
SC 13G Open SC 13G document View SEC filing for SC 13G CABALETTA BIO, INC 31 Oct 2022 005-91178
SC 13G Open SC 13G document View SEC filing for SC 13G 31 Oct 2022 005-91178
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Oct 2022 19 Oct 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Oct 2022 18 Oct 2022
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4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Oct 2022 18 Oct 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Oct 2022 18 Oct 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Oct 2022 18 Oct 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Oct 2022 07 Oct 2022 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Sep 2022 10 Sep 2022 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Aug 2022 29 Aug 2022 001-39103
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 22 Aug 2022 005-91178
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 Aug 2022 30 Jun 2022 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 11 Aug 2022 11 Aug 2022 001-39103
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 03 Aug 2022 005-91178
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2022 01 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2022 01 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2022 01 Jun 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2022 01 Jun 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Jun 2022 01 Jun 2022 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 May 2022 18 May 2022 001-39103
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 May 2022 31 Mar 2022 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 May 2022 12 May 2022 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 May 2022 02 May 2022 001-39103
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 21 Apr 2022 001-39103
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 21 Apr 2022 01 Jun 2022 001-39103
S-8 Open S-8 document View SEC filing for S-8 S-8 17 Mar 2022 333-263637
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 17 Mar 2022 31 Dec 2021 001-39103
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8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 14 Mar 2022 03 Mar 2022 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Mar 2022 03 Mar 2022 001-39103
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SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2022 005-91178
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SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2022 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A CABALETTA BIO, INC. 14 Feb 2022 005-91178
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4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Feb 2022 31 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2022 18 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2022 18 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Jan 2022 05 Jan 2022
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Jan 2022 10 Jan 2022 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Dec 2021 14 Dec 2021 001-39103
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Nov 2021 01 Nov 2021
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 03 Nov 2021 005-91178
SC 13G Open SC 13G document View SEC filing for SC 13G CABALETTA BIO, INC. 01 Nov 2021 005-91178
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 01 Nov 2021 30 Sep 2021 001-39103
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Nov 2021 01 Nov 2021 001-39103
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Sep 2021 07 Sep 2021
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4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Sep 2021 01 Sep 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 03 Sep 2021 01 Sep 2021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Aug 2021 18 Aug 2021 001-39103
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Aug 2021 30 Jun 2021 001-39103
8-K Open 8-K document View SEC filing for 8-K 8-K 05 Aug 2021 05 Aug 2021 001-39103
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Jun 2021 24 Jun 2021
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 28 Jun 2021 01 Jun 2021
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 28 Jun 2021 24 Jun 2021
8-K Open 8-K document View SEC filing for 8-K 8-K 28 Jun 2021 24 Jun 2021 001-39103
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2021 01 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2021 01 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2021 01 Jun 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2021 01 Jun 2021
8-K Open 8-K document View SEC filing for 8-K 8-K 03 Jun 2021 01 Jun 2021 001-39103
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 03 May 2021 31 Mar 2021 001-39103
8-K Open 8-K document View SEC filing for 8-K 8-K 03 May 2021 03 May 2021 001-39103
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 21 Apr 2021 001-39103
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 21 Apr 2021 01 Jun 2021 001-39103
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Apr 2021 06 Apr 2021 001-39103
S-8 Open S-8 document View SEC filing for S-8 S-8 16 Mar 2021 333-254342
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 16 Mar 2021 31 Dec 2020 001-39103
8-K Open 8-K document View SEC filing for 8-K 8-K 16 Mar 2021 16 Mar 2021 001-39103
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2021 01 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2021 01 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2021 01 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2021 01 Mar 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2021 01 Mar 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 16 Feb 2021 005-91178
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 16 Feb 2021 005-91178
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SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 12 Feb 2021 005-91178
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A CABALETTA BIO, INC. 11 Feb 2021 005-91178
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Jan 2021 08 Jan 2021
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 12 Jan 2021 005-91178
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Dec 2020 10 Dec 2020
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 14 Dec 2020 005-91178
424B5 Open 424B5 document View SEC filing for 424B5 424B5 11 Dec 2020 333-250006
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Dec 2020 08 Dec 2020
8-K Open 8-K document View SEC filing for 8-K 8-K 08 Dec 2020 08 Dec 2020 001-39103
EFFECT Open EFFECT document View SEC filing for EFFECT 18 Nov 2020 333-250006
CORRESP Open CORRESP document View SEC filing for CORRESP 16 Nov 2020
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 16 Nov 2020
S-3 Open S-3 document View SEC filing for S-3 S-3 10 Nov 2020 333-250006
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Nov 2020 30 Sep 2020 001-39103
8-K Open 8-K document View SEC filing for 8-K 8-K 10 Nov 2020 10 Nov 2020 001-39103
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Sep 2020 14 Sep 2020
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 06 Aug 2020 30 Jun 2020 001-39103
8-K Open 8-K document View SEC filing for 8-K 8-K 06 Aug 2020 06 Aug 2020 001-39103
SC 13G Open SC 13G document View SEC filing for SC 13G CABALETTA BIO, INC. 21 Jul 2020 005-91178
8-K Open 8-K document View SEC filing for 8-K 8-K 03 Jun 2020 02 Jun 2020 001-39103
8-K Open 8-K document View SEC filing for 8-K 8-K 28 May 2020 28 May 2020 001-39103
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 May 2020 31 Mar 2020 001-39103
8-K Open 8-K document View SEC filing for 8-K 8-K 12 May 2020 12 May 2020 001-39103
8-K Open 8-K document View SEC filing for 8-K 8-K 06 May 2020 06 May 2020 001-39103
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 23 Apr 2020 02 Jun 2020 001-39103
S-8 Open S-8 document View SEC filing for S-8 S-8 30 Mar 2020 333-237484
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 30 Mar 2020 31 Dec 2019 001-39103
8-K Open 8-K document View SEC filing for 8-K 8-K 30 Mar 2020 30 Mar 2020 001-39103
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2020 01 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2020 01 Mar 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2020 01 Mar 2020
8-K Open 8-K document View SEC filing for 8-K 8-K 20 Feb 2020 20 Feb 2020 001-39103
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2020 005-91178
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5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 13 Feb 2020 31 Dec 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Feb 2020 11 Feb 2020
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13 Feb 2020 005-91178
8-K Open 8-K document View SEC filing for 8-K 8-K 29 Jan 2020 29 Jan 2020 001-39103
8-K Open 8-K document View SEC filing for 8-K 8-K 10 Jan 2020 10 Jan 2020 001-39103
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Dec 2019 30 Sep 2019 001-39103
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 12 Nov 2019 005-91178
SC 13G Open SC 13G document View SEC filing for SC 13G 07 Nov 2019 005-91178
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 07 Nov 2019 005-91178
4 Open 4 document View SEC filing for 4 4 31 Oct 2019 29 Oct 2019
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Oct 2019 24 Oct 2019
SC 13G Open SC 13G document View SEC filing for SC 13G 30 Oct 2019 005-91178
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Oct 2019 29 Oct 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Oct 2019 29 Oct 2019
8-K Open 8-K document View SEC filing for 8-K 8-K 30 Oct 2019 29 Oct 2019 001-39103
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 Oct 2019 29 Oct 2019
S-8 Open S-8 document View SEC filing for S-8 S-8 29 Oct 2019 333-234367
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Oct 2019 24 Oct 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Oct 2019 24 Oct 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Oct 2019 24 Oct 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Oct 2019 24 Oct 2019
424B4 Open 424B4 document View SEC filing for 424B4 424B4 25 Oct 2019 333-234017
EFFECT Open EFFECT document View SEC filing for EFFECT 24 Oct 2019 333-234017
S-1MEF Open S-1MEF document View SEC filing for S-1MEF S-1MEF 24 Oct 2019 333-234315
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 24 Oct 2019 24 Oct 2019
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 24 Oct 2019 24 Oct 2019
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 24 Oct 2019 24 Oct 2019
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 24 Oct 2019 24 Oct 2019
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 24 Oct 2019 24 Oct 2019
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 24 Oct 2019 24 Oct 2019
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 24 Oct 2019 24 Oct 2019
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 24 Oct 2019 24 Oct 2019
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 24 Oct 2019 24 Oct 2019
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 24 Oct 2019 24 Oct 2019
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 24 Oct 2019 24 Oct 2019
3 Open 3 document View SEC filing for 3 3 24 Oct 2019 24 Oct 2019
CERT Open CERT document View SEC filing for CERT 8A CERT 24 Oct 2019 001-39103
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 23 Oct 2019 001-39103
SEC STAFF LETTER Open SEC STAFF LETTER document View SEC filing for SEC STAFF LETTER 22 Oct 2019
CORRESP Open CORRESP document View SEC filing for CORRESP 22 Oct 2019
CORRESP Open CORRESP document View SEC filing for CORRESP 22 Oct 2019
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 16 Oct 2019 333-234017
CORRESP Open CORRESP document View SEC filing for CORRESP 11 Oct 2019
CORRESP Open CORRESP document View SEC filing for CORRESP 09 Oct 2019
CORRESP Open CORRESP document View SEC filing for CORRESP 30 Sep 2019
S-1 Open S-1 document View SEC filing for S-1 S-1 30 Sep 2019 333-234017
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 20 Sep 2019
DRS/A Open DRS/A document View SEC filing for DRS/A 20 Sep 2019 377-02766
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 18 Sep 2019
DRSLTR Open DRSLTR document View SEC filing for DRSLTR 06 Sep 2019
DRS/A Open DRS/A document View SEC filing for DRS/A 06 Sep 2019 377-02766
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 28 Aug 2019
SEC STAFF LETTER Open SEC STAFF LETTER document View SEC filing for SEC STAFF LETTER 21 Aug 2019
DRS Open DRS document View SEC filing for DRS 02 Aug 2019 377-02766
D Open D document View SEC filing for D 14 Jan 2019 021-330358
D Open D document View SEC filing for D 10 Dec 2018 021-327456

About this filer

Cabaletta Bio, Inc. files with the SEC under CIK 0001759138. This page aggregates EDGAR filings and related ownership activity.

Industry: Biological Products, (No Disgnostic Substances).

FAQ

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A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
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