# Tectonic Therapeutic, Inc.: filings

TECX · Nasdaq · CIK 1681087 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

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

## Reports and events: 171 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 (4 184, 8-K 103, 3 37, 10-Q 25, SC 13G/A 18, 144 16, CORRESP 15, SC 13G 15, 424B5 14, S-8 14, UPLOAD 12, EFFECT 10, 10-K 8, 425 8, 424B3 7, DEF 14A 7, SC 13D/A 7, SCHEDULE 13G/A 7, DEFA14A 6, SC 13D 6, SCHEDULE 13D/A 6, S-3 4, SCHEDULE 13G 4, 8-K/A 3, ARS 3, D 3, POS AM 3, S-1 3, S-1/A 3, S-4/A 3, 4/A 2, S-8 POS 2, SEC STAFF LETTER 2, 3/A 1, 424B4 1, 5 1, 8-A12B 1, CERT 1, CT ORDER 1, DRS 1, DRS/A 1, DRSLTR 1, RW 1, S-1MEF 1, S-4 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-29 | 17:19 ET | [8-K](/filings/0001193125-26-407823.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-407823 |
| 2026-08-06 | 16:16 ET | [10-Q](/filings/0001193125-26-338062.md) | Quarterly report, period 2026-06-30 | 0001193125-26-338062 |
| 2026-08-06 | 16:10 ET | [8-K](/filings/0001193125-26-338000.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-338000 |
| 2026-06-10 | 17:08 ET | [8-K](/filings/0001193125-26-266040.md) | 5.07 Shareholder vote results; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-266040 |
| 2026-05-07 | 16:23 ET | [8-K](/filings/0001193125-26-212069.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-212069 |
| 2026-05-07 | 16:19 ET | [10-Q](/filings/0001193125-26-212016.md) | Quarterly report, period 2026-03-31 | 0001193125-26-212016 |
| 2026-04-24 | 16:39 ET | [DEF 14A](/filings/0001193125-26-177467.md) | Proxy statement, period 2026-06-08 | 0001193125-26-177467 |
| 2026-04-23 | 16:30 ET | [8-K](/filings/0001193125-26-173829.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-173829 |
| 2026-02-26 | 16:26 ET | [8-K](/filings/0001193125-26-076843.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-076843 |
| 2026-02-26 | 16:21 ET | [10-K](/filings/0001193125-26-076793.md) | Annual report, period 2025-12-31 | 0001193125-26-076793 |
| 2026-02-24 | 16:06 ET | [8-K](/filings/0001193125-26-066964.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-066964 |
| 2025-11-06 | 16:28 ET | [10-Q](/filings/0001193125-25-269701.md) | Quarterly report, period 2025-09-30 | 0001193125-25-269701 |
| 2025-11-06 | 16:15 ET | [8-K](/filings/0001193125-25-269573.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-269573 |
| 2025-10-30 | 19:28 ET | [8-K](/filings/0001193125-25-256958.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-256958 |
| 2025-08-07 | 17:08 ET | [8-K](/filings/0001193125-25-175567.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-175567 |
| 2025-08-07 | 16:04 ET | [10-Q](/filings/0000950170-25-104974.md) | Quarterly report, period 2025-06-30 | 0000950170-25-104974 |
| 2025-06-06 | 16:48 ET | [8-K](/filings/0001193125-25-137149.md) | 5.07 Shareholder vote results | 0001193125-25-137149 |
| 2025-05-19 | 16:56 ET | [8-K](/filings/0001193125-25-122511.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-122511 |
| 2025-05-08 | 16:20 ET | [10-Q](/filings/0000950170-25-067037.md) | Quarterly report, period 2025-03-31 | 0000950170-25-067037 |
| 2025-05-08 | 16:07 ET | [8-K](/filings/0000950170-25-066932.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-066932 |
| 2025-04-25 | 16:09 ET | [DEF 14A](/filings/0001193125-25-096764.md) | Proxy statement, period 2025-06-06 | 0001193125-25-096764 |
| 2025-04-07 | 19:20 ET | [SCHEDULE 13D/A](/filings/0001213900-25-029553.md) | Ownership report, active investor, amended | 0001213900-25-029553 |
| 2025-04-07 | 17:19 ET | [SCHEDULE 13D/A](/filings/0000950170-25-051678.md) | Ownership report, active investor, amended | 0000950170-25-051678 |
| 2025-04-07 | 16:20 ET | [SCHEDULE 13D/A](/filings/0000950170-25-051604.md) | Ownership report, active investor, amended | 0000950170-25-051604 |
| 2025-03-26 | 17:09 ET | [S-1](/filings/0001193125-25-064163.md) | Registration statement | 0001193125-25-064163 |
| 2025-03-20 | 16:06 ET | [10-K](/filings/0000950170-25-042648.md) | Annual report, period 2024-12-31 | 0000950170-25-042648 |
| 2025-03-20 | 16:02 ET | [8-K](/filings/0000950170-25-042630.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-042630 |
| 2025-02-10 | 06:19 ET | [SCHEDULE 13D/A](/filings/0001213900-25-011462.md) | Ownership report, active investor, amended | 0001213900-25-011462 |
| 2025-02-07 | 17:51 ET | [SCHEDULE 13D/A](/filings/0000950170-25-016480.md) | Ownership report, active investor, amended | 0000950170-25-016480 |
| 2025-02-07 | 16:51 ET | [SCHEDULE 13D/A](/filings/0000950170-25-016399.md) | Ownership report, active investor, amended | 0000950170-25-016399 |
| 2025-02-03 | 06:30 ET | [8-K](/filings/0001193125-25-018840.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 | 0001193125-25-018840 |
| 2025-01-30 | 06:35 ET | [8-K](/filings/0001193125-25-016224.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-016224 |
| 2025-01-13 | 16:03 ET | [8-K](/filings/0001193125-25-005304.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-005304 |
| 2024-11-12 | 16:01 ET | [10-Q](/filings/0000950170-24-125304.md) | Quarterly report, period 2024-09-30 | 0000950170-24-125304 |
| 2024-11-07 | 16:27 ET | [8-K](/filings/0000950170-24-123411.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-123411 |
| 2024-10-28 | 18:08 ET | [SC 13D/A](/filings/0001104659-24-111899.md) | Ownership report, active investor, amended | 0001104659-24-111899 |
| 2024-10-24 | 17:12 ET | [SC 13D/A](/filings/0001213900-24-090440.md) | Ownership report, active investor, amended | 0001213900-24-090440 |
| 2024-09-26 | 20:41 ET | [SC 13D/A](/filings/0001213900-24-082376.md) | Ownership report, active investor, amended | 0001213900-24-082376 |
| 2024-09-19 | 17:17 ET | [8-K](/filings/0001193125-24-222189.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-222189 |
| 2024-08-14 | 16:11 ET | [8-K](/filings/0001193125-24-200629.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-200629 |
| 2024-08-14 | 16:02 ET | [10-Q](/filings/0001193125-24-200609.md) | Quarterly report, period 2024-06-30 | 0001193125-24-200609 |
| 2024-07-30 | 16:15 ET | [8-K](/filings/0001193125-24-188881.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-188881 |
| 2024-07-19 | 16:02 ET | [S-1](/filings/0001193125-24-181624.md) | Registration statement | 0001193125-24-181624 |
| 2024-07-05 | 16:05 ET | [8-K](/filings/0001193125-24-175599.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-24-175599 |
| 2024-06-27 | 16:27 ET | [SC 13D](/filings/0001104659-24-075687.md) | Ownership report, active investor | 0001104659-24-075687 |
| 2024-06-26 | 08:00 ET | [SC 13D](/filings/0001213900-24-055917.md) | Ownership report, active investor | 0001213900-24-055917 |
| 2024-06-26 | 21:52 ET | [8-K](/filings/0001193125-24-168273.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-168273 |
| 2024-06-25 | 16:23 ET | [SC 13D](/filings/0001193125-24-167893.md) | Ownership report, active investor | 0001193125-24-167893 |
| 2024-06-20 | 16:25 ET | [8-K](/filings/0001193125-24-164480.md) | 1.01 Entry into a material agreement; 2.01 Completion of an acquisition or disposition; 2.02 Results of operations; 3.02 Unregistered sale of equity; 3.03 Change to security holders’ rights; 4.01 Change of auditor; 5.01 Change in control; 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 5.06 Item not in the standard list; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-164480 |
| 2024-06-18 | 11:51 ET | [8-K/A](/filings/0001193125-24-163207.md) | 8.01 Other events | 0001193125-24-163207 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 10:58 ET. No prices; not investment advice.