Cabaletta Bio, Inc.

Symbol: CABA on Nasdaq
Entity: Company
Industry: Biological Products, (No Disgnostic Substances) (Office Of Life Sciences)
Business address: 2929 Arch Street, Suite 600, 19104 Philadelphia, PA
Phone: (267) 759-3100
State of incorporation: DE
Fiscal year end: December 31
Category: Non-accelerated filer
Smaller reporting company
All SEC filings: View on sec.gov

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Cabaletta Bio, Inc. has filed 389 SEC EDGAR filings since 12/10/2018

Latest Filings

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
SCHEDULE 13G/A	Open Document	Open Filing		Nov 14, 2025		005-91178
SCHEDULE 13G/A	Open Document	Open Filing		Nov 14, 2025		005-91178
SCHEDULE 13G/A	Open Document	Open Filing		Nov 14, 2025		005-91178
10-Q	Open Document \| Data	Open Filing	10-Q	Nov 10, 2025	Sep 30, 2025	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Nov 10, 2025	Nov 10, 2025	001-39103
SCHEDULE 13G/A	Open Document	Open Filing		Nov 7, 2025		005-91178
SCHEDULE 13G/A	Open Document	Open Filing		Nov 7, 2025		005-91178
SCHEDULE 13G/A	Open Document	Open Filing		Nov 7, 2025		005-91178
SCHEDULE 13G/A	Open Document	Open Filing		Nov 5, 2025		005-91178
8-K	Open Document \| Data	Open Filing	8-K	Oct 29, 2025	Oct 29, 2025	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Oct 27, 2025	Oct 27, 2025	001-39103
4	Open Document	Open Filing	4	Oct 15, 2025	Oct 13, 2025
3	Open Document	Open Filing	3	Oct 15, 2025	Oct 13, 2025
8-K	Open Document \| Data	Open Filing	8-K	Oct 9, 2025	Oct 9, 2025	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Sep 3, 2025	Sep 3, 2025	001-39103
EFFECT	Open Document	Open Filing		Aug 15, 2025		333-289339
SCHEDULE 13G	Open Document	Open Filing		Aug 14, 2025		005-91178
SCHEDULE 13G/A	Open Document	Open Filing		Aug 14, 2025		005-91178
SCHEDULE 13G	Open Document	Open Filing		Aug 14, 2025		005-91178
CORRESP	Open Document	Open Filing		Aug 13, 2025
UPLOAD	Open Document	Open Filing		Aug 13, 2025		333-289339
SCHEDULE 13G/A	Open Document	Open Filing		Aug 12, 2025		005-91178
SCHEDULE 13G/A	Open Document	Open Filing		Aug 11, 2025		005-91178
S-3	Open Document \| Data	Open Filing	S-3	Aug 7, 2025		333-289339
10-Q	Open Document \| Data	Open Filing	10-Q	Aug 7, 2025	Jun 30, 2025	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Aug 7, 2025	Aug 7, 2025	001-39103
SCHEDULE 13G/A	Open Document	Open Filing		Aug 6, 2025		005-91178
SCHEDULE 13G/A	Open Document	Open Filing		Aug 6, 2025		005-91178
SCHEDULE 13G/A	Open Document	Open Filing		Jul 29, 2025		005-91178
SCHEDULE 13G/A	Open Document	Open Filing		Jul 16, 2025		005-91178
SCHEDULE 13G	Open Document	Open Filing		Jun 20, 2025		005-91178
8-K	Open Document \| Data	Open Filing	8-K	Jun 12, 2025	Jun 11, 2025	001-39103
424B5	Open Document	Open Filing	424B5	Jun 12, 2025		333-278126
424B5	Open Document	Open Filing	424B5	Jun 11, 2025		333-278126
8-K	Open Document \| Data	Open Filing	8-K	Jun 11, 2025	Jun 11, 2025	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Jun 10, 2025	Jun 9, 2025	001-39103
4	Open Document	Open Filing	4	Jun 9, 2025	Jun 9, 2025
4	Open Document	Open Filing	4	Jun 9, 2025	Jun 9, 2025
4	Open Document	Open Filing	4	Jun 9, 2025	Jun 9, 2025
4	Open Document	Open Filing	4	Jun 9, 2025	Jun 9, 2025
4	Open Document	Open Filing	4	Jun 9, 2025	Jun 9, 2025
4	Open Document	Open Filing	4	May 19, 2025	May 19, 2025
4	Open Document	Open Filing	4	May 19, 2025	May 19, 2025
4	Open Document	Open Filing	4	May 19, 2025	May 19, 2025
4	Open Document	Open Filing	4	May 19, 2025	May 19, 2025
4	Open Document	Open Filing	4	May 19, 2025	May 19, 2025
4	Open Document	Open Filing	4	May 19, 2025	May 19, 2025
4	Open Document	Open Filing	4	May 19, 2025	May 19, 2025
4	Open Document	Open Filing	4	May 19, 2025	May 19, 2025
4	Open Document	Open Filing	4	May 19, 2025	May 19, 2025
4	Open Document	Open Filing	4	May 19, 2025	May 19, 2025
4	Open Document	Open Filing	4	May 19, 2025	May 19, 2025
8-K	Open Document \| Data	Open Filing	8-K	May 19, 2025	May 15, 2025	001-39103
10-Q	Open Document \| Data	Open Filing	10-Q	May 15, 2025	Mar 31, 2025	001-39103
8-K	Open Document \| Data	Open Filing	8-K	May 15, 2025	May 15, 2025	001-39103
ARS	Open Document	Open Filing	ARS	May 13, 2025	Dec 31, 2024	001-39103
DEF 14A	Open Document \| Data	Open Filing	DEF 14A	May 13, 2025	Jun 9, 2025	001-39103
PRE 14A	Open Document \| Data	Open Filing	PRE 14A	Apr 30, 2025	Jun 9, 2025	001-39103
EFFECT	Open Document	Open Filing		Mar 31, 2025		333-278126
S-8	Open Document	Open Filing	S-8	Mar 31, 2025		333-286246
POS AM	Open Document	Open Filing	POS AM	Mar 31, 2025		333-278126
10-K	Open Document \| Data	Open Filing	10-K	Mar 31, 2025	Dec 31, 2024	001-39103
POSASR	Open Document	Open Filing	POSASR	Mar 31, 2025		333-278126
8-K	Open Document \| Data	Open Filing	8-K	Mar 31, 2025	Mar 31, 2025	001-39103
4	Open Document	Open Filing	4	Mar 4, 2025	Mar 3, 2025
4	Open Document	Open Filing	4	Mar 4, 2025	Mar 3, 2025
4	Open Document	Open Filing	4	Mar 4, 2025	Mar 3, 2025
4	Open Document	Open Filing	4	Mar 4, 2025	Mar 3, 2025
4	Open Document	Open Filing	4	Mar 4, 2025	Mar 3, 2025
4	Open Document	Open Filing	4	Mar 4, 2025	Mar 3, 2025
8-K/A	Open Document \| Data	Open Filing	8-K/A	Feb 18, 2025	Feb 18, 2025	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Feb 18, 2025	Feb 18, 2025	001-39103
SCHEDULE 13G/A	Open Document	Open Filing		Feb 5, 2025		005-91178
8-K	Open Document \| Data	Open Filing	8-K	Jan 13, 2025	Jan 13, 2025	001-39103
SC 13G/A	Open Document	Open Filing	CABALETTA BIO, INC.	Dec 6, 2024		005-91178
SC 13G/A	Open Document	Open Filing		Dec 5, 2024		005-91178
SC 13G/A	Open Document	Open Filing	CABA 11302024 13G/A	Dec 5, 2024		005-91178
8-K	Open Document \| Data	Open Filing	8-K	Nov 18, 2024	Nov 18, 2024	001-39103
SC 13G/A	Open Document	Open Filing	SC 13G/A	Nov 14, 2024		005-91178
SC 13G/A	Open Document	Open Filing	CABALETTA BIO, INC.	Nov 14, 2024		005-91178
SC 13G	Open Document	Open Filing		Nov 14, 2024		005-91178
10-Q	Open Document \| Data	Open Filing	10-Q	Nov 14, 2024	Sep 30, 2024	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Nov 14, 2024	Nov 14, 2024	001-39103
SC 13G/A	Open Document	Open Filing		Nov 12, 2024		005-91178
SC 13G/A	Open Document	Open Filing	CABALETTA BIO, INC.	Nov 12, 2024		005-91178
SC 13G/A	Open Document	Open Filing		Nov 4, 2024		005-91178
SC 13G/A	Open Document	Open Filing		Nov 4, 2024		005-91178
SC 13G/A	Open Document	Open Filing		Nov 4, 2024		005-91178
SC 13G/A	Open Document	Open Filing		Oct 17, 2024		005-91178
8-K	Open Document \| Data	Open Filing	8-K	Oct 7, 2024	Oct 7, 2024	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Sep 30, 2024	Sep 30, 2024	001-39103
SC 13G	Open Document	Open Filing	SC 13G	Aug 22, 2024		005-91178
10-Q	Open Document \| Data	Open Filing	10-Q	Aug 8, 2024	Jun 30, 2024	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Aug 8, 2024	Aug 8, 2024	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Jun 14, 2024	Jun 14, 2024	001-39103
SC 13G	Open Document	Open Filing		Jun 10, 2024		005-91178
SC 13G	Open Document	Open Filing	13G MONTHLY FILING - CABA	Jun 6, 2024		005-91178
4	Open Document	Open Filing	4	Jun 4, 2024	Jun 3, 2024
4	Open Document	Open Filing	4	Jun 4, 2024	Jun 3, 2024
4	Open Document	Open Filing	4	Jun 4, 2024	Jun 3, 2024
4	Open Document	Open Filing	4	Jun 4, 2024	Jun 3, 2024
4	Open Document	Open Filing	4	Jun 4, 2024	Jun 3, 2024
8-K	Open Document \| Data	Open Filing	8-K	Jun 4, 2024	Jun 3, 2024	001-39103
10-Q	Open Document \| Data	Open Filing	10-Q	May 15, 2024	Mar 31, 2024	001-39103
8-K	Open Document \| Data	Open Filing	8-K	May 15, 2024	May 15, 2024	001-39103
ARS	Open Document	Open Filing	ARS	Apr 23, 2024	Dec 31, 2023	001-39103
DEFA14A	Open Document	Open Filing	DEFA14A	Apr 23, 2024		001-39103
DEF 14A	Open Document	Open Filing	DEF 14A	Apr 23, 2024	Jun 3, 2024	001-39103
S-3ASR	Open Document	Open Filing	S-3ASR	Mar 21, 2024		333-278126
S-8	Open Document	Open Filing	S-8	Mar 21, 2024		333-278124
10-K	Open Document \| Data	Open Filing	10-K	Mar 21, 2024	Dec 31, 2023	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Mar 21, 2024	Mar 21, 2024	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Mar 20, 2024	Mar 20, 2024	001-39103
4	Open Document	Open Filing	4	Mar 4, 2024	Mar 1, 2024
4	Open Document	Open Filing	4	Mar 4, 2024	Mar 1, 2024
4	Open Document	Open Filing	4	Mar 4, 2024	Mar 1, 2024
4	Open Document	Open Filing	4	Mar 4, 2024	Mar 1, 2024
4	Open Document	Open Filing	4	Mar 4, 2024	Mar 1, 2024
4	Open Document	Open Filing	4	Mar 4, 2024	Mar 1, 2024
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 14, 2024		005-91178
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 14, 2024		005-91178
SC 13G/A	Open Document	Open Filing	CABALETTA BIO, INC.	Feb 14, 2024		005-91178
SC 13G/A	Open Document	Open Filing		Feb 14, 2024		005-91178
SC 13G/A	Open Document	Open Filing	AMENDMENT NO. 2	Feb 14, 2024		005-91178
SC 13G/A	Open Document	Open Filing	CABALETTA BIO, INC.	Feb 14, 2024		005-91178
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 13, 2024		005-91178
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 13, 2024		005-91178
SC 13G/A	Open Document	Open Filing		Feb 12, 2024		005-91178
SC 13G/A	Open Document	Open Filing	CABALETTA BIO, INC.	Feb 7, 2024		005-91178
8-K	Open Document \| Data	Open Filing	8-K	Feb 1, 2024	Feb 1, 2024	001-39103
SC 13G	Open Document	Open Filing		Jan 24, 2024		005-91178
4	Open Document	Open Filing	4	Jan 19, 2024	Jan 19, 2024
SC 13G	Open Document	Open Filing		Jan 8, 2024		005-91178
8-K	Open Document \| Data	Open Filing	8-K	Jan 8, 2024	Jan 8, 2024	001-39103
4	Open Document	Open Filing	4	Dec 19, 2023	Dec 19, 2023
4	Open Document	Open Filing	4	Nov 21, 2023	Nov 20, 2023
144	Open Document	Open Filing		Nov 20, 2023		001-39103
10-Q	Open Document \| Data	Open Filing	10-Q	Nov 9, 2023	Sep 30, 2023	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Nov 9, 2023	Nov 9, 2023	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Nov 6, 2023	Nov 6, 2023	001-39103
4	Open Document	Open Filing	4	Oct 19, 2023	Oct 19, 2023
144	Open Document	Open Filing		Oct 19, 2023		001-39103
8-K	Open Document \| Data	Open Filing	8-K	Oct 2, 2023	Oct 2, 2023	001-39103
4	Open Document	Open Filing	4	Sep 20, 2023	Sep 19, 2023
144	Open Document	Open Filing		Sep 19, 2023		001-39103
8-K	Open Document \| Data	Open Filing	8-K	Sep 5, 2023	Sep 5, 2023	001-39103
4	Open Document	Open Filing	4	Aug 22, 2023	Aug 21, 2023
8-K	Open Document \| Data	Open Filing	8-K	Aug 22, 2023	Aug 18, 2023	001-39103
144	Open Document	Open Filing		Aug 21, 2023		001-39103
S-8	Open Document	Open Filing	S-8	Aug 10, 2023		333-273863
10-Q	Open Document \| Data	Open Filing	10-Q	Aug 10, 2023	Jun 30, 2023	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Aug 10, 2023	Aug 10, 2023	001-39103
4	Open Document	Open Filing	4	Jul 24, 2023	Jul 21, 2023
3	Open Document	Open Filing	3	Jul 24, 2023	Jul 21, 2023
8-K	Open Document \| Data	Open Filing	8-K	Jul 24, 2023	Jul 21, 2023	001-39103
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jul 19, 2023	Jul 19, 2023
144	Open Document	Open Filing		Jul 19, 2023		001-39103
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 21, 2023	Jun 20, 2023
144	Open Document	Open Filing		Jun 20, 2023		001-39103
144	Open Document	Open Filing		Jun 20, 2023		001-39103
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 2, 2023	Jun 1, 2023
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 2, 2023	Jun 1, 2023
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 2, 2023	Jun 1, 2023
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 2, 2023	Jun 1, 2023
SC 13G	Open Document	Open Filing	SC 13G	Jun 1, 2023		005-91178
8-K	Open Document \| Data	Open Filing	8-K	Jun 1, 2023	Jun 1, 2023	001-39103
SC 13G	Open Document	Open Filing		May 26, 2023		005-91178
8-K	Open Document \| Data	Open Filing	8-K	May 22, 2023	May 22, 2023	001-39103
4	Open Document	Open Filing	FORM 4 SUBMISSION	May 19, 2023	May 19, 2023
144	Open Document	Open Filing		May 19, 2023		001-39103
8-K	Open Document \| Data	Open Filing	8-K	May 18, 2023	May 17, 2023	001-39103
424B5	Open Document	Open Filing	424B5	May 18, 2023		333-270599
424B5	Open Document	Open Filing	424B5	May 18, 2023		333-270599
8-K	Open Document \| Data	Open Filing	8-K	May 16, 2023	May 16, 2023	001-39103
8-K	Open Document \| Data	Open Filing	8-K	May 16, 2023	May 16, 2023	001-39103
10-Q	Open Document \| Data	Open Filing	10-Q	May 11, 2023	Mar 31, 2023	001-39103
8-K	Open Document \| Data	Open Filing	8-K	May 11, 2023	May 11, 2023	001-39103
8-K	Open Document \| Data	Open Filing	8-K	May 2, 2023	May 2, 2023	001-39103
8-K	Open Document \| Data	Open Filing	8-K	May 1, 2023	May 1, 2023	001-39103
EFFECT	Open Document	Open Filing		Apr 26, 2023		333-270599
CORRESP	Open Document	Open Filing		Apr 24, 2023
ARS	Open Document	Open Filing	ARS	Apr 21, 2023	Dec 31, 2022	001-39103
DEFA14A	Open Document	Open Filing	DEFA14A	Apr 21, 2023		001-39103
DEF 14A	Open Document	Open Filing	DEF 14A	Apr 21, 2023	Jun 1, 2023	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Mar 31, 2023	Mar 31, 2023	001-39103
UPLOAD	Open Document	Open Filing		Mar 22, 2023
S-3	Open Document	Open Filing	S-3	Mar 16, 2023		333-270599
S-8	Open Document	Open Filing	S-8	Mar 16, 2023		333-270595
10-K	Open Document \| Data	Open Filing	10-K	Mar 16, 2023	Dec 31, 2022	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Mar 16, 2023	Mar 16, 2023	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Mar 6, 2023	Mar 6, 2023	001-39103
SC 13G/A	Open Document	Open Filing	CABALETTA BIO, INC.	Feb 14, 2023		005-91178
SC 13G	Open Document	Open Filing	SC 13G	Feb 14, 2023		005-91178
SC 13G/A	Open Document	Open Filing		Feb 14, 2023		005-91178
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 14, 2023		005-91178
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 14, 2023		005-91178
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 14, 2023		005-91178
SC 13G	Open Document	Open Filing	CABALETTA BIO, INC.	Feb 10, 2023		005-91178
SC 13G/A	Open Document	Open Filing	CABALETTA BIO, INC.	Feb 9, 2023		005-91178
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 27, 2023	Jan 18, 2023
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 27, 2023	Jan 18, 2023
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 27, 2023	Jan 18, 2023
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 27, 2023	Jan 18, 2023
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 27, 2023	Jan 18, 2023
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 27, 2023	Jan 18, 2023
SC 13G	Open Document	Open Filing		Jan 13, 2023		005-91178
8-K	Open Document \| Data	Open Filing	8-K	Jan 9, 2023	Jan 9, 2023	001-39103
SC 13G	Open Document	Open Filing	SC 13G	Dec 23, 2022		005-91178
8-K	Open Document \| Data	Open Filing	8-K	Dec 12, 2022	Dec 7, 2022	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Dec 8, 2022	Dec 8, 2022	001-39103
424B5	Open Document	Open Filing	424B5	Dec 8, 2022		333-250006
FWP	Open Document	Open Filing	FWP	Dec 8, 2022		333-250006
10-Q	Open Document \| Data	Open Filing	10-Q	Nov 10, 2022	Sep 30, 2022	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Nov 10, 2022	Nov 10, 2022	001-39103
SC 13G	Open Document	Open Filing	SC 13G	Nov 7, 2022		005-91178
SC 13G	Open Document	Open Filing	CABALETTA BIO, INC	Oct 31, 2022		005-91178
SC 13G	Open Document	Open Filing		Oct 31, 2022		005-91178
4	Open Document	Open Filing	FORM 4 SUBMISSION	Oct 19, 2022	Oct 19, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Oct 18, 2022	Oct 18, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Oct 18, 2022	Oct 18, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Oct 18, 2022	Oct 18, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Oct 18, 2022	Oct 18, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Oct 18, 2022	Oct 18, 2022
8-K	Open Document \| Data	Open Filing	8-K	Oct 11, 2022	Oct 7, 2022	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Sep 12, 2022	Sep 10, 2022	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Aug 29, 2022	Aug 29, 2022	001-39103
SC 13G	Open Document	Open Filing	SC 13G	Aug 22, 2022		005-91178
10-Q	Open Document \| Data	Open Filing	10-Q	Aug 11, 2022	Jun 30, 2022	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Aug 11, 2022	Aug 11, 2022	001-39103
SC 13D/A	Open Document	Open Filing	SC 13D/A	Aug 3, 2022		005-91178
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 3, 2022	Jun 1, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 3, 2022	Jun 1, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 3, 2022	Jun 1, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 3, 2022	Jun 1, 2022
8-K	Open Document \| Data	Open Filing	8-K	Jun 2, 2022	Jun 1, 2022	001-39103
8-K	Open Document \| Data	Open Filing	8-K	May 18, 2022	May 18, 2022	001-39103
10-Q	Open Document \| Data	Open Filing	10-Q	May 12, 2022	Mar 31, 2022	001-39103
8-K	Open Document \| Data	Open Filing	8-K	May 12, 2022	May 12, 2022	001-39103
8-K	Open Document \| Data	Open Filing	8-K	May 2, 2022	May 2, 2022	001-39103
DEFA14A	Open Document	Open Filing	DEFA14A	Apr 21, 2022		001-39103
DEF 14A	Open Document	Open Filing	DEF 14A	Apr 21, 2022	Jun 1, 2022	001-39103
S-8	Open Document	Open Filing	S-8	Mar 17, 2022		333-263637
10-K	Open Document \| Data	Open Filing	10-K	Mar 17, 2022	Dec 31, 2021	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Mar 17, 2022	Mar 17, 2022	001-39103
8-K/A	Open Document \| Data	Open Filing	8-K/A	Mar 14, 2022	Mar 3, 2022	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Mar 3, 2022	Mar 3, 2022	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Mar 1, 2022	Mar 1, 2022	001-39103
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 14, 2022		005-91178
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 14, 2022		005-91178
SC 13G/A	Open Document	Open Filing		Feb 14, 2022		005-91178
SC 13G/A	Open Document	Open Filing	CABALETTA BIO, INC.	Feb 14, 2022		005-91178
SC 13G/A	Open Document	Open Filing	CABALETTA BIO, INC.	Feb 10, 2022		005-91178
4	Open Document	Open Filing	FORM 4 SUBMISSION	Feb 2, 2022	Jan 31, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 19, 2022	Jan 18, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 19, 2022	Jan 18, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 19, 2022	Jan 18, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 19, 2022	Jan 18, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 19, 2022	Jan 18, 2022
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 19, 2022	Jan 18, 2022
3	Open Document	Open Filing	FORM 3 SUBMISSION	Jan 13, 2022	Jan 5, 2022
8-K	Open Document \| Data	Open Filing	8-K	Jan 10, 2022	Jan 10, 2022	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Dec 14, 2021	Dec 14, 2021	001-39103
4	Open Document	Open Filing	FORM 4 SUBMISSION	Nov 3, 2021	Nov 1, 2021
SC 13D/A	Open Document	Open Filing	SC 13D/A	Nov 3, 2021		005-91178
SC 13G	Open Document	Open Filing	CABALETTA BIO, INC.	Nov 1, 2021		005-91178
10-Q	Open Document \| Data	Open Filing	10-Q	Nov 1, 2021	Sep 30, 2021	001-39103
8-K	Open Document \| Data	Open Filing	8-K	Nov 1, 2021	Nov 1, 2021	001-39103
4	Open Document	Open Filing	FORM 4 SUBMISSION	Sep 9, 2021	Sep 7, 2021
SC 13D/A	Open Document	Open Filing	SC 13D/A	Sep 9, 2021		005-91178
4	Open Document	Open Filing	FORM 4 SUBMISSION	Sep 3, 2021	Sep 1, 2021
3	Open Document	Open Filing	FORM 3 SUBMISSION	Sep 3, 2021	Sep 1, 2021
8-K	Open Document \| Data	Open Filing	8-K	Aug 18, 2021	Aug 18, 2021	001-39103
10-Q	Open Document \| Data	Open Filing	10-Q	Aug 5, 2021	Jun 30, 2021	001-39103
8-K	Open Document	Open Filing	8-K	Aug 5, 2021	Aug 5, 2021	001-39103
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 28, 2021	Jun 24, 2021
4/A	Open Document	Open Filing	FORM 4/A SUBMISSION	Jun 28, 2021	Jun 1, 2021
3	Open Document	Open Filing	FORM 3 SUBMISSION	Jun 28, 2021	Jun 24, 2021
8-K	Open Document	Open Filing	8-K	Jun 28, 2021	Jun 24, 2021	001-39103
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 3, 2021	Jun 1, 2021
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 3, 2021	Jun 1, 2021
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 3, 2021	Jun 1, 2021
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jun 3, 2021	Jun 1, 2021
8-K	Open Document	Open Filing	8-K	Jun 3, 2021	Jun 1, 2021	001-39103
10-Q	Open Document \| Data	Open Filing	10-Q	May 3, 2021	Mar 31, 2021	001-39103
8-K	Open Document	Open Filing	8-K	May 3, 2021	May 3, 2021	001-39103
DEFA14A	Open Document	Open Filing	DEFA14A	Apr 21, 2021		001-39103
DEF 14A	Open Document	Open Filing	DEF 14A	Apr 21, 2021	Jun 1, 2021	001-39103
8-K	Open Document	Open Filing	8-K	Apr 6, 2021	Apr 6, 2021	001-39103
S-8	Open Document	Open Filing	S-8	Mar 16, 2021		333-254342
10-K	Open Document \| Data	Open Filing	10-K	Mar 16, 2021	Dec 31, 2020	001-39103
8-K	Open Document	Open Filing	8-K	Mar 16, 2021	Mar 16, 2021	001-39103
4	Open Document	Open Filing	FORM 4 SUBMISSION	Mar 2, 2021	Mar 1, 2021
4	Open Document	Open Filing	FORM 4 SUBMISSION	Mar 2, 2021	Mar 1, 2021
4	Open Document	Open Filing	FORM 4 SUBMISSION	Mar 2, 2021	Mar 1, 2021
4	Open Document	Open Filing	FORM 4 SUBMISSION	Mar 2, 2021	Mar 1, 2021
4	Open Document	Open Filing	FORM 4 SUBMISSION	Mar 2, 2021	Mar 1, 2021
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 16, 2021		005-91178
SC 13G	Open Document	Open Filing	SCHEDULE 13G	Feb 16, 2021		005-91178
SC 13G/A	Open Document	Open Filing		Feb 16, 2021		005-91178
SC 13G/A	Open Document	Open Filing		Feb 12, 2021		005-91178
SC 13G/A	Open Document	Open Filing	CABALETTA BIO, INC.	Feb 11, 2021		005-91178
4	Open Document	Open Filing	FORM 4 SUBMISSION	Jan 12, 2021	Jan 8, 2021
SC 13D/A	Open Document	Open Filing	SC 13D/A	Jan 12, 2021		005-91178
4	Open Document	Open Filing	FORM 4 SUBMISSION	Dec 14, 2020	Dec 10, 2020
SC 13D/A	Open Document	Open Filing	SC 13D/A	Dec 14, 2020		005-91178
424B5	Open Document	Open Filing	424B5	Dec 11, 2020		333-250006
4	Open Document	Open Filing	FORM 4 SUBMISSION	Dec 9, 2020	Dec 8, 2020
8-K	Open Document	Open Filing	8-K	Dec 8, 2020	Dec 8, 2020	001-39103
EFFECT	Open Document	Open Filing		Nov 18, 2020		333-250006
CORRESP	Open Document	Open Filing		Nov 16, 2020
UPLOAD	Open Document	Open Filing		Nov 16, 2020
S-3	Open Document	Open Filing	S-3	Nov 10, 2020		333-250006
10-Q	Open Document \| Data	Open Filing	10-Q	Nov 10, 2020	Sep 30, 2020	001-39103
8-K	Open Document	Open Filing	8-K	Nov 10, 2020	Nov 10, 2020	001-39103
4	Open Document	Open Filing	FORM 4 SUBMISSION	Sep 16, 2020	Sep 14, 2020
10-Q	Open Document \| Data	Open Filing	10-Q	Aug 6, 2020	Jun 30, 2020	001-39103
8-K	Open Document	Open Filing	8-K	Aug 6, 2020	Aug 6, 2020	001-39103
SC 13G	Open Document	Open Filing	CABALETTA BIO, INC.	Jul 21, 2020		005-91178
8-K	Open Document	Open Filing	8-K	Jun 3, 2020	Jun 2, 2020	001-39103
8-K	Open Document	Open Filing	8-K	May 28, 2020	May 28, 2020	001-39103
10-Q	Open Document \| Data	Open Filing	10-Q	May 12, 2020	Mar 31, 2020	001-39103
8-K	Open Document	Open Filing	8-K	May 12, 2020	May 12, 2020	001-39103
8-K	Open Document	Open Filing	8-K	May 6, 2020	May 6, 2020	001-39103
DEF 14A	Open Document	Open Filing	DEF 14A	Apr 23, 2020	Jun 2, 2020	001-39103
S-8	Open Document	Open Filing	S-8	Mar 30, 2020		333-237484
10-K	Open Document \| Data	Open Filing	10-K	Mar 30, 2020	Dec 31, 2019	001-39103
8-K	Open Document	Open Filing	8-K	Mar 30, 2020	Mar 30, 2020	001-39103
4	Open Document	Open Filing	FORM 4 SUBMISSION	Mar 3, 2020	Mar 1, 2020
4	Open Document	Open Filing	FORM 4 SUBMISSION	Mar 3, 2020	Mar 1, 2020
4	Open Document	Open Filing	FORM 4 SUBMISSION	Mar 3, 2020	Mar 1, 2020
8-K	Open Document	Open Filing	8-K	Feb 20, 2020	Feb 20, 2020	001-39103
SC 13G/A	Open Document	Open Filing	SC 13G/A	Feb 14, 2020		005-91178
SC 13G/A	Open Document	Open Filing		Feb 14, 2020		005-91178
5	Open Document	Open Filing	FORM 5 SUBMISSION	Feb 13, 2020	Dec 31, 2019
4	Open Document	Open Filing	FORM 4 SUBMISSION	Feb 13, 2020	Feb 11, 2020
SC 13G/A	Open Document	Open Filing		Feb 13, 2020		005-91178
8-K	Open Document	Open Filing	8-K	Jan 29, 2020	Jan 29, 2020	001-39103
8-K	Open Document	Open Filing	8-K	Jan 10, 2020	Jan 10, 2020	001-39103
10-Q	Open Document \| Data	Open Filing	10-Q	Dec 5, 2019	Sep 30, 2019	001-39103
SC 13D	Open Document	Open Filing	SC 13D	Nov 12, 2019		005-91178
SC 13G	Open Document	Open Filing		Nov 7, 2019		005-91178
SC 13G	Open Document	Open Filing	SC 13G	Nov 7, 2019		005-91178
4	Open Document	Open Filing	4	Oct 31, 2019	Oct 29, 2019
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Oct 30, 2019	Oct 24, 2019
SC 13G	Open Document	Open Filing		Oct 30, 2019		005-91178
4	Open Document	Open Filing	FORM 4 SUBMISSION	Oct 30, 2019	Oct 29, 2019
4	Open Document	Open Filing	FORM 4 SUBMISSION	Oct 30, 2019	Oct 29, 2019
8-K	Open Document	Open Filing	8-K	Oct 30, 2019	Oct 29, 2019	001-39103
4	Open Document	Open Filing	OWNERSHIP DOCUMENT	Oct 29, 2019	Oct 29, 2019
S-8	Open Document	Open Filing	S-8	Oct 29, 2019		333-234367
4	Open Document	Open Filing	FORM 4 SUBMISSION	Oct 28, 2019	Oct 24, 2019
4	Open Document	Open Filing	FORM 4 SUBMISSION	Oct 28, 2019	Oct 24, 2019
4	Open Document	Open Filing	FORM 4 SUBMISSION	Oct 28, 2019	Oct 24, 2019
4	Open Document	Open Filing	FORM 4 SUBMISSION	Oct 28, 2019	Oct 24, 2019
424B4	Open Document	Open Filing	424B4	Oct 25, 2019		333-234017
EFFECT	Open Document	Open Filing		Oct 24, 2019		333-234017
S-1MEF	Open Document	Open Filing	S-1MEF	Oct 24, 2019		333-234315
3	Open Document	Open Filing	OWNERSHIP DOCUMENT	Oct 24, 2019	Oct 24, 2019
3	Open Document	Open Filing	FORM 3 SUBMISSION	Oct 24, 2019	Oct 24, 2019
3	Open Document	Open Filing	FORM 3 SUBMISSION	Oct 24, 2019	Oct 24, 2019
3	Open Document	Open Filing	FORM 3 SUBMISSION	Oct 24, 2019	Oct 24, 2019
3	Open Document	Open Filing	FORM 3 SUBMISSION	Oct 24, 2019	Oct 24, 2019
3	Open Document	Open Filing	FORM 3 SUBMISSION	Oct 24, 2019	Oct 24, 2019
3	Open Document	Open Filing	FORM 3 SUBMISSION	Oct 24, 2019	Oct 24, 2019
3	Open Document	Open Filing	FORM 3 SUBMISSION	Oct 24, 2019	Oct 24, 2019
3	Open Document	Open Filing	FORM 3 SUBMISSION	Oct 24, 2019	Oct 24, 2019
3	Open Document	Open Filing	FORM 3 SUBMISSION	Oct 24, 2019	Oct 24, 2019
3	Open Document	Open Filing	OWNERSHIP DOCUMENT	Oct 24, 2019	Oct 24, 2019
3	Open Document	Open Filing	3	Oct 24, 2019	Oct 24, 2019
CERT	Open Document	Open Filing	8A CERT	Oct 24, 2019		001-39103
8-A12B	Open Document	Open Filing	8-A12B	Oct 23, 2019		001-39103
SEC STAFF LETTER	Open Document	Open Filing		Oct 22, 2019
CORRESP	Open Document	Open Filing		Oct 22, 2019
CORRESP	Open Document	Open Filing		Oct 22, 2019
S-1/A	Open Document	Open Filing	S-1/A	Oct 16, 2019		333-234017
CORRESP	Open Document	Open Filing		Oct 11, 2019
CORRESP	Open Document	Open Filing		Oct 9, 2019
CORRESP	Open Document	Open Filing		Sep 30, 2019
S-1	Open Document	Open Filing	S-1	Sep 30, 2019		333-234017
DRSLTR	Open Document	Open Filing		Sep 20, 2019
DRS/A	Open Document	Open Filing		Sep 20, 2019		377-02766
UPLOAD	Open Document	Open Filing		Sep 18, 2019
DRSLTR	Open Document	Open Filing		Sep 6, 2019
DRS/A	Open Document	Open Filing		Sep 6, 2019		377-02766
UPLOAD	Open Document	Open Filing		Aug 28, 2019
SEC STAFF LETTER	Open Document	Open Filing		Aug 21, 2019
DRS	Open Document	Open Filing		Aug 2, 2019		377-02766
D	Open Document	Open Filing		Jan 14, 2019		021-330358
D	Open Document	Open Filing		Dec 10, 2018		021-327456