Aptevo Therapeutics Inc. SEC filings APVO
Aptevo Therapeutics Inc. has 740 filings in SEC EDGAR's recent list, going back to Apr 15, 2016. Its latest annual report, Form ARS, was filed on Jul 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 14, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Nov 5, 2026 | Nov 5, 2026 |
| 8-K |
Current report
Other events
|
Nov 2, 2026 | Oct 30, 2026 |
| 424B5 | Prospectus supplement | Oct 30, 2026 | — |
| 8-K |
Current report
Other events
|
Oct 26, 2026 | Oct 26, 2026 |
| 8-K |
Current report
Material agreement, Change to shareholder rights
|
Oct 23, 2026 | Oct 23, 2026 |
| 8-K |
Current report
Other events
|
Oct 14, 2026 | Oct 14, 2026 |
| S-8 | Employee stock plan registration | Sep 25, 2026 | — |
| 8-K |
Current report
Other events
|
Sep 24, 2026 | Sep 24, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Sep 23, 2026 | Sep 22, 2026 |
| 424B4 | Prospectus | Sep 3, 2026 | — |
| 8-K |
Current report
Other events
|
Sep 3, 2026 | Sep 3, 2026 |
| EFFECT | Filing | Sep 2, 2026 | — |
| DEF 14A | Proxy statement | Aug 31, 2026 | Sep 22, 2026 |
| CORRESP | Letter to the SEC | Aug 31, 2026 | — |
| UPLOAD | Letter from the SEC | Aug 27, 2026 | — |
| D | Filing | Aug 26, 2026 | — |
| PRE 14A | Preliminary proxy statement | Aug 21, 2026 | Aug 21, 2026 |
| S-1 | Registration statement | Aug 21, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
Aug 21, 2026 | Aug 21, 2026 |
| 10-Q | Quarterly report | Aug 14, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2026 | Aug 14, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Aug 13, 2026 | Aug 12, 2026 |
| DEF 14A | Proxy statement | Jul 31, 2026 | Jul 31, 2026 |
| ARS | Annual report to shareholders | Jul 31, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Other events
|
Jul 27, 2026 | Jul 27, 2026 |
| S-8 | Employee stock plan registration | Jul 24, 2026 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jun 30, 2026 | Jun 29, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
May 27, 2026 | May 25, 2026 |
| 10-Q | Quarterly report | May 13, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 13, 2026 | May 13, 2026 |
| 8-K |
Current report
Other events
|
May 6, 2026 | May 6, 2026 |
| 10-K | Annual report | Mar 26, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2026 | Mar 26, 2026 |
| 8-K |
Current report
Other events
|
Mar 11, 2026 | Mar 10, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Feb 19, 2026 | Feb 18, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 3, 2026 | Jan 30, 2026 |
| EFFECT | Filing | Jan 30, 2026 | — |
| 424B4 | Prospectus | Jan 30, 2026 | — |
| CORRESP | Letter to the SEC | Jan 29, 2026 | — |
| UPLOAD | Letter from the SEC | Jan 29, 2026 | — |
| S-1 | Registration statement | Jan 28, 2026 | — |
| DEF 14A | Proxy statement | Jan 26, 2026 | Jan 23, 2026 |
| PRE 14A | Preliminary proxy statement | Jan 16, 2026 | Jan 16, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Jan 9, 2026 | Jan 8, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 29, 2025 | Dec 29, 2025 |
| 8-K | Current report | Dec 9, 2025 | Dec 9, 2025 |
| EFFECT | Filing | Nov 25, 2025 | — |
| 424B4 | Prospectus | Nov 25, 2025 | — |
| CORRESP | Letter to the SEC | Nov 24, 2025 | — |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Material agreement, Change to shareholder rights
|
Oct 30, 2025 | Oct 30, 2025 |
| S-1 | Registration statement | Oct 1, 2025 | — |
| 8-K |
Current report
Other events
|
Sep 16, 2025 | Sep 16, 2025 |
| 8-K |
Current report
Other events
|
Sep 4, 2025 | Sep 4, 2025 |
| 10-Q | Quarterly report | Aug 11, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2025 | Aug 11, 2025 |
| 424B4 | Prospectus | Aug 8, 2025 | — |
| EFFECT | Filing | Aug 1, 2025 | — |
| CORRESP | Letter to the SEC | Jul 31, 2025 | — |
| UPLOAD | Letter from the SEC | Jul 30, 2025 | — |
| S-1 | Registration statement | Jul 25, 2025 | — |
| 8-K |
Current report
Shareholder vote results
|
Jul 24, 2025 | Jul 24, 2025 |
| DEF 14A | Proxy statement | Jul 3, 2025 | Jul 24, 2025 |
| ARS | Annual report to shareholders | Jul 3, 2025 | Jul 3, 2025 |
| 8-K |
Current report
Other events
|
Jul 1, 2025 | Jul 1, 2025 |
| 8-K |
Current report
Other events
|
Jun 30, 2025 | Jun 30, 2025 |
| PRE 14A | Preliminary proxy statement | Jun 23, 2025 | Jul 24, 2025 |
| 8-K |
Current report
Auditor change
|
Jun 23, 2025 | Jun 23, 2025 |
| 8-K |
Current report
Other events
|
Jun 20, 2025 | Jun 20, 2025 |
| 424B5 | Prospectus supplement | Jun 20, 2025 | — |
| 8-K |
Current report
Material agreement, Other events
|
Jun 20, 2025 | Jun 18, 2025 |
| 424B4 | Prospectus | Jun 20, 2025 | — |
| EFFECT | Filing | Jun 18, 2025 | — |
| S-1MEF | Filing | Jun 18, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jun 17, 2025 | Jun 16, 2025 |
| CORRESP | Letter to the SEC | Jun 16, 2025 | — |
| S-1 | Registration statement | Jun 16, 2025 | — |
| UPLOAD | Letter from the SEC | Jun 4, 2025 | — |
| DRS | Filing | May 30, 2025 | — |
| 424B3 | Prospectus | May 28, 2025 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
May 23, 2025 | May 23, 2025 |
| EFFECT | Filing | May 22, 2025 | — |
| 8-K |
Current report
Listing notice, Other events
|
May 22, 2025 | May 22, 2025 |
| 424B5 | Prospectus supplement | May 22, 2025 | — |
| CORRESP | Letter to the SEC | May 21, 2025 | — |
| UPLOAD | Letter from the SEC | May 20, 2025 | — |
| 10-Q | Quarterly report | May 15, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 15, 2025 | May 15, 2025 |
| S-1 | Registration statement | May 13, 2025 | — |
| RW | Filing | May 13, 2025 | — |
| RW | Filing | May 13, 2025 | — |
| S-3 | Shelf registration | May 2, 2025 | — |
| 8-K |
Current report
Other events
|
Apr 29, 2025 | Apr 29, 2025 |
| 424B5 | Prospectus supplement | Apr 29, 2025 | — |
| 424B4 | Prospectus | Apr 28, 2025 | — |
| 8-K |
Current report
Material agreement, Results of operations, Other events
|
Apr 28, 2025 | Apr 28, 2025 |
| DEF 14A | Proxy statement | Apr 25, 2025 | May 14, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Apr 22, 2025 | Apr 21, 2025 |
| 424B4 | Prospectus | Apr 22, 2025 | — |
| D | Filing | Apr 18, 2025 | — |
| PRE 14A | Preliminary proxy statement | Apr 10, 2025 | May 9, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Apr 4, 2025 | Apr 3, 2025 |
| 424B4 | Prospectus | Apr 4, 2025 | — |
| S-1/A | Amended registration statement | Apr 1, 2025 | — |
| S-1/A | Amended registration statement | Mar 27, 2025 | — |
| S-1/A | Amended registration statement | Mar 27, 2025 | — |
| S-1/A | Amended registration statement | Mar 25, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 20, 2025 | Mar 20, 2025 |
| S-1 | Registration statement | Mar 3, 2025 | — |
| EFFECT | Filing | Feb 26, 2025 | — |
| CORRESP | Letter to the SEC | Feb 24, 2025 | — |
| UPLOAD | Letter from the SEC | Feb 21, 2025 | — |
| S-3 | Shelf registration | Feb 14, 2025 | — |
| 10-K | Annual report | Feb 14, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 14, 2025 | Feb 14, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 11, 2025 | Feb 11, 2025 |
| EFFECT | Filing | Jan 2, 2025 | — |
| CORRESP | Letter to the SEC | Jan 2, 2025 | — |
| UPLOAD | Letter from the SEC | Dec 30, 2024 | — |
| S-3 | Shelf registration | Dec 20, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Dec 12, 2024 | Dec 12, 2024 |
| 8-K |
Current report
Other events
|
Dec 12, 2024 | Dec 12, 2024 |
| 8-K |
Current report
Other events
|
Dec 4, 2024 | Dec 4, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Dec 3, 2024 | Dec 3, 2024 |
| 8-K |
Current report
Other events
|
Nov 26, 2024 | Nov 26, 2024 |
| 8-K |
Current report
Other events
|
Nov 22, 2024 | Nov 22, 2024 |
| 8-K |
Current report
Other events
|
Nov 20, 2024 | Nov 20, 2024 |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Material agreement, Change to shareholder rights
|
Nov 4, 2024 | Nov 1, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Oct 25, 2024 | Oct 25, 2024 |
| DEF 14A | Proxy statement | Oct 3, 2024 | Oct 25, 2024 |
| PRE 14A | Preliminary proxy statement | Sep 23, 2024 | Oct 25, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Sep 18, 2024 | Sep 16, 2024 |
| 424B4 | Prospectus | Sep 17, 2024 | — |
| EFFECT | Filing | Sep 16, 2024 | — |
| 8-K |
Current report
Other events
|
Sep 16, 2024 | Sep 16, 2024 |
| CORRESP | Letter to the SEC | Sep 11, 2024 | — |
| CORRESP | Letter to the SEC | Sep 11, 2024 | — |
| UPLOAD | Letter from the SEC | Sep 6, 2024 | — |
| S-1 | Registration statement | Aug 30, 2024 | — |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Aug 7, 2024 | Aug 6, 2024 |
| DEF 14A | Proxy statement | Jul 15, 2024 | Aug 6, 2024 |
| S-8 | Employee stock plan registration | Jul 12, 2024 | — |
| PRE 14A | Preliminary proxy statement | Jul 3, 2024 | Dec 31, 2024 |
| 8-K |
Current report
Listing notice
|
Jul 1, 2024 | Jun 25, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Jul 1, 2024 | Jun 28, 2024 |
| EFFECT | Filing | Jun 28, 2024 | — |
| 424B4 | Prospectus | Jun 28, 2024 | — |
| S-1/A | Amended registration statement | Jun 26, 2024 | — |
| CORRESP | Letter to the SEC | Jun 25, 2024 | — |
| UPLOAD | Letter from the SEC | Jun 20, 2024 | — |
| S-1 | Registration statement | Jun 14, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2024 | Jun 7, 2024 |
| 10-Q | Quarterly report | May 8, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 8, 2024 | May 8, 2024 |
| ARS | Annual report to shareholders | Apr 23, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 23, 2024 | — |
| DEF 14A | Proxy statement | Apr 23, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Material agreement, Other events
|
Apr 15, 2024 | Apr 10, 2024 |
| 424B4 | Prospectus | Apr 12, 2024 | — |
| EFFECT | Filing | Apr 10, 2024 | — |
| S-1/A | Amended registration statement | Apr 9, 2024 | — |
| CORRESP | Letter to the SEC | Apr 8, 2024 | — |
| CORRESP | Letter to the SEC | Apr 8, 2024 | — |
| CORRESP | Letter to the SEC | Mar 29, 2024 | — |
| S-1/A | Amended registration statement | Mar 29, 2024 | — |
| UPLOAD | Letter from the SEC | Mar 29, 2024 | — |
| S-1 | Registration statement | Mar 20, 2024 | — |
| 8-K |
Current report
Other events
|
Mar 7, 2024 | Mar 7, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Mar 5, 2024 | Mar 5, 2024 |
| 10-K | Annual report | Mar 5, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 5, 2024 | Mar 5, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Feb 6, 2024 | Feb 5, 2024 |
| DEFR14A | Filing | Jan 30, 2024 | — |
| DEFR14A | Filing | Jan 16, 2024 | — |
| DEF 14A | Proxy statement | Dec 22, 2023 | Dec 22, 2023 |
| PRE 14A | Preliminary proxy statement | Dec 12, 2023 | Dec 13, 2023 |
| EFFECT | Filing | Nov 30, 2023 | — |
| CORRESP | Letter to the SEC | Nov 29, 2023 | — |
| UPLOAD | Letter from the SEC | Nov 29, 2023 | — |
| S-3 | Shelf registration | Nov 22, 2023 | — |
| 10-Q | Quarterly report | Nov 14, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2023 | Nov 14, 2023 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Nov 9, 2023 | Nov 9, 2023 |
| 8-K |
Current report
Material agreement, Change to shareholder rights
|
Nov 3, 2023 | Nov 2, 2023 |
| 8-K |
Current report
Listing notice
|
Sep 15, 2023 | Sep 13, 2023 |
| 10-Q | Quarterly report | Aug 10, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2023 | Aug 10, 2023 |
| 8-K |
Current report
Material agreement, Other events
|
Aug 7, 2023 | Aug 1, 2023 |
| 424B4 | Prospectus | Aug 3, 2023 | — |
| EFFECT | Filing | Aug 1, 2023 | — |
| S-1/A | Amended registration statement | Aug 1, 2023 | — |
| CORRESP | Letter to the SEC | Aug 1, 2023 | — |
| CORRESP | Letter to the SEC | Aug 1, 2023 | — |
| CORRESP | Letter to the SEC | Jul 28, 2023 | — |
| CORRESP | Letter to the SEC | Jul 28, 2023 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- APVO (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Seattle, WA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1671584
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.