Filer Snapshot

Alpine ImmunoSciences, L.P. SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001628571.

Entity Type

Company

Total Filings

12

Latest Filing

14 Nov 2023

Industry

n/a

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Go to latest filings table Open reporting owner context
Source: SEC Schedule 13D/G

SC 13D/A filed on 14 Nov 2023 for CIK 0001628571.

View Source Filing
Business address
600 Stewart Street, Suite 1503, Seattle, WA, 98101
Top holdings (ownership)
ALPN
State of incorporation
DE
Fiscal year end
31 December

Quick Takeaways

  • Alpine ImmunoSciences, L.P. is an SEC filer tracked under CIK 0001628571.
  • 12 filings are listed on this profile.
  • Common form coverage includes SC 13D/A, 4, SC 13D and more.

What Changed

  • Latest filing: SC 13D/A filed on 14 Nov 2023.
  • Report period: not specified in filing header.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC Schedule 13D/G

SC 13D/A filed on 14 Nov 2023 for CIK 0001628571.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed SC 13D/A can change the filing history, ownership context, or next research path for Alpine ImmunoSciences, L.P..

Latest source-backed update
SC 13D/A filed 14 Nov 2023
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: SC 13D/A filed 14 Nov 2023.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for Alpine ImmunoSciences, L.P.

Ownership report updated

Latest ownership report period: 17 Sep 2021. Open the source-backed page to inspect the fresh filing or facts context.

Update date

21 Sep 2021

Page type

Ownership filings

Latest period

17 Sep 2021

Ownership context was refreshed from SEC Forms 3/4/5 filed on 21 Sep 2021.

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Benchmark Context

Benchmark context for this company

Alpine ImmunoSciences, L.P. 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.

Compared with

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Why this is notable

Latest ownership report period: 17 Sep 2021. That gives you a fresh baseline before you compare this company with peers.

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Filer Overview

Alpine ImmunoSciences, L.P. has filed 12 SEC EDGAR filings since 24 Dec 2014. Common forms include SC 13D/A, 4, SC 13D, 3 and more.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Alpine ImmunoSciences, L.P. with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 14 Nov 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 27 Sep 2022
4 Open 4 document View SEC filing for 4 FORM 4 21 Sep 2021 17 Sep 2021 001-37449
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 21 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Dec 2020 22 Dec 2020 001-37449
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A #3 22 Dec 2020
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 03 Aug 2020
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 23 Jan 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Jan 2019 18 Jan 2019 001-37449
SC 13D Open SC 13D document | Open XBRL data View SEC filing for SC 13D SC 13D 03 Aug 2017
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 26 Jul 2017 24 Jul 2017 001-37449
D Open D document View SEC filing for D 24 Dec 2014 021-230869

About this filer

Alpine ImmunoSciences, L.P. files with the SEC under CIK 0001628571. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.