# Werewolf Therapeutics, Inc.: filings

HOWL · Nasdaq · CIK 1785530 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/howl.md) · [Financials](/companies/howl/financials.md) · [Filings](/companies/howl/filings.md) · [Insiders](/companies/howl/insiders.md)

## Reports and events: 103 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 144, 144 114, 8-K 52, 3 28, 10-Q 17, SCHEDULE 13D/A 14, SC 13G/A 7, S-8 6, SC 13G 6, 10-K 5, CORRESP 5, SC 13D/A 5, DEF 14A 4, DEFA14A 4, SC 13D 4, ARS 3, EFFECT 3, SCHEDULE 13G/A 3, UPLOAD 3, 424B5 2, D 2, S-3 2, SEC STAFF LETTER 2, 424B4 1, 425 1, 8-A12B 1, CERT 1, D/A 1, DRS 1, S-1 1, S-1/A 1, S-1MEF 1, S-4 1, S-4/A 1, S-8 POS 1, SCHEDULE 13G 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-21 | 09:10 ET | [8-K](/filings/0001193125-26-360059.md) | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-360059 |
| 2026-08-20 | 16:06 ET | [8-K](/filings/0001193125-26-359185.md) | 1.01 Entry into a material agreement | 0001193125-26-359185 |
| 2026-07-31 | 07:10 ET | [10-Q](/filings/0001785530-26-000019.md) | Quarterly report, period 2026-06-30 | 0001785530-26-000019 |
| 2026-07-31 | 07:06 ET | [8-K](/filings/0001785530-26-000018.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001785530-26-000018 |
| 2026-07-02 | 20:26 ET | [SCHEDULE 13D/A](/filings/0001346824-26-000187.md) | Ownership report, active investor, amended | 0001346824-26-000187 |
| 2026-06-26 | 17:39 ET | [SCHEDULE 13D/A](/filings/0001346824-26-000185.md) | Ownership report, active investor, amended | 0001346824-26-000185 |
| 2026-06-22 | 19:02 ET | [SCHEDULE 13D/A](/filings/0001346824-26-000180.md) | Ownership report, active investor, amended | 0001346824-26-000180 |
| 2026-06-15 | 20:16 ET | [SCHEDULE 13D/A](/filings/0001346824-26-000175.md) | Ownership report, active investor, amended | 0001346824-26-000175 |
| 2026-05-14 | 17:23 ET | [SCHEDULE 13D/A](/filings/0001346824-26-000131.md) | Ownership report, active investor, amended | 0001346824-26-000131 |
| 2026-05-12 | 19:56 ET | [SCHEDULE 13D/A](/filings/0001609492-26-000006.md) | Ownership report, active investor, amended | 0001609492-26-000006 |
| 2026-05-07 | 16:14 ET | [10-Q](/filings/0001785530-26-000012.md) | Quarterly report, period 2026-03-31 | 0001785530-26-000012 |
| 2026-05-07 | 16:11 ET | [8-K](/filings/0001785530-26-000011.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001785530-26-000011 |
| 2026-05-05 | 19:04 ET | [SCHEDULE 13D/A](/filings/0001609492-26-000004.md) | Ownership report, active investor, amended | 0001609492-26-000004 |
| 2026-03-27 | 07:12 ET | [10-K](/filings/0001785530-26-000006.md) | Annual report, period 2025-12-31 | 0001785530-26-000006 |
| 2026-03-27 | 07:07 ET | [8-K](/filings/0001785530-26-000005.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001785530-26-000005 |
| 2026-02-24 | 17:26 ET | [8-K](/filings/0001193125-26-067569.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-067569 |
| 2026-02-13 | 16:20 ET | [8-K](/filings/0001193125-26-051455.md) | 2.05 Exit or disposal costs; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure | 0001193125-26-051455 |
| 2026-02-06 | 16:41 ET | [8-K](/filings/0001193125-26-041305.md) | 3.01 Delisting notice | 0001193125-26-041305 |
| 2026-01-16 | 17:36 ET | [SCHEDULE 13D/A](/filings/0001609492-26-000002.md) | Ownership report, active investor, amended | 0001609492-26-000002 |
| 2025-12-29 | 18:59 ET | [SCHEDULE 13D/A](/filings/0001231919-25-000666.md) | Ownership report, active investor, amended | 0001231919-25-000666 |
| 2025-12-18 | 08:24 ET | [8-K](/filings/0001193125-25-323787.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-323787 |
| 2025-12-03 | 19:04 ET | [SCHEDULE 13D/A](/filings/0001231919-25-000570.md) | Ownership report, active investor, amended | 0001231919-25-000570 |
| 2025-11-17 | 20:00 ET | [SCHEDULE 13D/A](/filings/0001231919-25-000511.md) | Ownership report, active investor, amended | 0001231919-25-000511 |
| 2025-11-06 | 16:29 ET | [SCHEDULE 13D/A](/filings/0001346824-25-000040.md) | Ownership report, active investor, amended | 0001346824-25-000040 |
| 2025-11-04 | 18:33 ET | [SCHEDULE 13D/A](/filings/0001231919-25-000422.md) | Ownership report, active investor, amended | 0001231919-25-000422 |
| 2025-11-04 | 07:11 ET | [10-Q](/filings/0001785530-25-000031.md) | Quarterly report, period 2025-09-30 | 0001785530-25-000031 |
| 2025-11-04 | 07:07 ET | [8-K](/filings/0001785530-25-000030.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001785530-25-000030 |
| 2025-10-06 | 16:33 ET | [8-K](/filings/0001193125-25-231953.md) | 3.01 Delisting notice | 0001193125-25-231953 |
| 2025-08-14 | 07:11 ET | [10-Q](/filings/0001785530-25-000021.md) | Quarterly report, period 2025-06-30 | 0001785530-25-000021 |
| 2025-08-14 | 07:06 ET | [8-K](/filings/0001785530-25-000020.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001785530-25-000020 |
| 2025-06-13 | 16:05 ET | [8-K](/filings/0001193125-25-140727.md) | 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-25-140727 |
| 2025-05-15 | 17:00 ET | [8-K](/filings/0001193125-25-120910.md) | 3.01 Delisting notice | 0001193125-25-120910 |
| 2025-05-14 | 18:09 ET | [SCHEDULE 13D/A](/filings/0001415889-25-012944.md) | Ownership report, active investor, amended | 0001415889-25-012944 |
| 2025-05-08 | 07:10 ET | [10-Q](/filings/0001785530-25-000014.md) | Quarterly report, period 2025-03-31 | 0001785530-25-000014 |
| 2025-05-08 | 07:06 ET | [8-K](/filings/0001785530-25-000013.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001785530-25-000013 |
| 2025-04-28 | 07:58 ET | [DEF 14A](/filings/0001140361-25-015885.md) | Proxy statement, period 2025-06-12 | 0001140361-25-015885 |
| 2025-03-11 | 07:10 ET | [10-K](/filings/0001785530-25-000008.md) | Annual report, period 2024-12-31 | 0001785530-25-000008 |
| 2025-03-11 | 07:05 ET | [8-K](/filings/0001785530-25-000006.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001785530-25-000006 |
| 2025-02-24 | 07:49 ET | [8-K](/filings/0001193125-25-032804.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-032804 |
| 2024-11-12 | 07:45 ET | [8-K](/filings/0001193125-24-255170.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-255170 |
| 2024-11-07 | 09:09 ET | [10-Q](/filings/0001785530-24-000034.md) | Quarterly report, period 2024-09-30 | 0001785530-24-000034 |
| 2024-11-07 | 09:06 ET | [8-K](/filings/0001785530-24-000033.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001785530-24-000033 |
| 2024-08-08 | 07:12 ET | [10-Q](/filings/0001785530-24-000028.md) | Quarterly report, period 2024-06-30 | 0001785530-24-000028 |
| 2024-08-08 | 07:07 ET | [8-K](/filings/0001785530-24-000026.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001785530-24-000026 |
| 2024-06-25 | 07:07 ET | [8-K](/filings/0001193125-24-167467.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-167467 |
| 2024-06-03 | 07:56 ET | [8-K](/filings/0001193125-24-152380.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-152380 |
| 2024-05-28 | 16:27 ET | [8-K](/filings/0001193125-24-148114.md) | 5.07 Shareholder vote results | 0001193125-24-148114 |
| 2024-05-07 | 16:52 ET | [SC 13D/A](/filings/0001104659-24-058078.md) | Ownership report, active investor, amended | 0001104659-24-058078 |
| 2024-05-03 | 07:10 ET | [10-Q](/filings/0001785530-24-000020.md) | Quarterly report, period 2024-03-31 | 0001785530-24-000020 |
| 2024-05-03 | 07:05 ET | [8-K](/filings/0001785530-24-000018.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001785530-24-000018 |

Page 1 of 3. [Older](/companies/howl/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 26, 2026, 17:25 ET. No prices; not investment advice.