Tectonic Therapeutic, Inc.
TECX- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001681087
In the last 90 days, Tectonic Therapeutic, Inc. insiders filed 0 open-market purchases and 3 sales; 122 institutions reported holding it in 13F filings for Q2 2026, worth $479.9M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Tectonic Therapeutic, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 3 filings
- 1 insider, $9.10K in total
- Insiders trading
- 1
- Net value
- −$9.10K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Tectonic Therapeutic, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Schwabish Marc | Chief Business Officer | 45,314 | Sep 8, 2026 | 5 |
| McNamara Peter | Chief Scientific Officer | 55,285 | Sep 8, 2026 | 9 |
| Lochner Daniel | Chief Financial Officer | 58,544 | Sep 8, 2026 | 6 |
| Ruddy Marcella K. | Chief Medical Officer | 67,682 | Sep 8, 2026 | 7 |
| Reicin Alise | Chief Executive Officer | 310,623 | Sep 8, 2026 | 7 |
| Springer Timothy A | Director, 10% Owner | 1,503,358Indirect | Jun 10, 2026 | 1 |
| Donenberg Phillip B. | Director | – | Jun 10, 2026 | 1 |
| Tipirneni Praveen P. | Director | 3,037 | Jun 10, 2026 | 1 |
| Vitorovic Stefan | Director | 27,774Indirect | Jun 10, 2026 | 1 |
| Chutter Jessica Caroline | Director | – | Jun 10, 2026 | 1 |
| Nader Francois | Director | – | Apr 3, 2026 | 1 |
| McGuire Terrance | Director | 573,062Indirect | Jun 11, 2025 | 0 |
| Leonard Braden Michael | Other: Former 10% owner of AVROBIO | 33,333 | Jun 25, 2024 | 0 |
| Cortis Christian | Chief Operating Officer | 126,368 | Jun 24, 2024 | 0 |
| Avruch Steven | Chief Legal Officer | 22,022 | Feb 5, 2024 | 0 |
| Ostrowski Erik | Interim CEO, President and CFO | 29,285 | Feb 5, 2024 | 0 |
| Ridha Essra | Chief Medical Officer | 15,881 | Feb 5, 2024 | 0 |
| Golipour Azadeh | Chief Technology Officer | 55,872 | Feb 5, 2024 | 0 |
| Clark Ian T | Director | – | Jun 8, 2023 | 0 |
| Booth Bruce | Director | – | Jun 8, 2023 | 0 |
| Farfel Gail M | Director | – | Jun 8, 2023 | 0 |
| Vickers Philip J. | Director | 4,800 | Jun 8, 2023 | 0 |
| Jenkins Annalisa | Director | – | Jun 8, 2023 | 0 |
| Paige Christopher | Director | – | Jun 8, 2023 | 0 |
| Petersen Deanna M | Chief Business Officer | – | Feb 10, 2023 | 0 |
| Mackay Geoffrey | President & CEO | 188,012 | Feb 10, 2023 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 26, 2026 (view filing)4:30 PM ET | Aug 25 | 1 day | McNamara PeterChief Scientific Officer | SSale | −43 | $36.52 | −$1.57K | −0.1%55.3K after | 10b5-1 |
| Aug 14, 2026 (view filing)7:25 PM ET | Aug 12 | 2 days | McNamara PeterChief Scientific Officer | SSale | −43 | $35.00 | −$1.50K | −0.1%55.3K after | 10b5-1 |
| Jul 1, 2026 (view filing)5:19 PM ET | Jun 30 | 1 day | McNamara PeterChief Scientific Officer | SSale | −172 | $35.00 | −$6.02K | −0.3%55.3K after | 10b5-1 |
| May 6, 2026 (view filing) | May 4 | 2 days | Ruddy Marcella K.Chief Medical Officer | SSale | −1.06K | $30.00 | −$31.9K | −1.5%67.7K after | 10b5-1 |
| Apr 3, 2026 (view filing) | Apr 1 | 2 days | Ruddy Marcella K.Chief Medical Officer | SSale | −1.00K | $31.05 | −$31.1K | −1.4%68.7K after | 10b5-1 |
| Mar 9, 2026 (view filing) | Mar 6 | 3 days | Ruddy Marcella K.Chief Medical Officer | SSale | −10.0K | $30.00 | −$300.0K | −12.5%69.7K after | 10b5-1 |
| Mar 9, 2026 (view filing) | Mar 6 | 3 days | McNamara PeterChief Scientific Officer | SSale | −6.26K | $30.17 | −$188.9K | −10.2%55.3K after | 2 lots10b5-1 |
| Mar 5, 2026 (view filing) | Mar 3-4 | 2 days | McNamara PeterChief Scientific Officer | SSale | −3.30K | $23.53 | −$77.6K | −5.3%58.8K after | 2 lots10b5-1 |
| Mar 5, 2026 (view filing) | Feb 11 | 22 days | Reicin AliseChief Executive Officer | PPurchase | +2.50K | $21.10 | +$52.8K | +2.0%127.0K after | Amended |
| Feb 11, 2026 (view filing) | Feb 10 | 1 day | Lochner DanielChief Financial Officer | PPurchase | +6.00K | $21.61 | +$129.7K | +23.0%32.0K after | |
| Apr 11, 2025 (view filing) | Apr 9-11 | 2 days | Springer Timothy ADirector, 10% Owner | PPurchase | +21.3K | $16.20 | +$344.8K | +0.5%4.33M after | 4 lots |
| Apr 11, 2025 (view filing) | Apr 9-11 | 2 days | Springer Timothy ADirector, 10% Owner | PPurchase | +120.6K | $16.20 | +$1.95M | +8.7%1.50M after | 4 lots |
| Apr 9, 2025 (view filing) | Apr 7 | 2 days | Springer Timothy ADirector, 10% Owner | PPurchase | +87.5K | $17.10 | +$1.50M | +2.1%4.31M after | |
| Apr 9, 2025 (view filing) | Apr 7 | 2 days | Springer Timothy ADirector, 10% Owner | PPurchase | +412.5K | $17.10 | +$7.05M | +42.5%1.38M after | |
| Apr 7, 2025 (view filing) | Apr 7 | Same day | McGuire TerranceDirector | SSale | −500.0K | $17.10 | −$8.55M | −46.6%573.1K after | |
| Feb 7, 2025 (view filing) | Feb 5 | 2 days | Springer Timothy ADirector, 10% Owner | PPurchase | +129.3K | $54.14 | +$7.00M | +3.2%4.23M after | |
| Feb 7, 2025 (view filing) | Feb 5 | 2 days | Springer Timothy ADirector, 10% Owner | PPurchase | +660.0K | $50.00 | +$33.0M | +212.8%970.2K after | |
| Feb 7, 2025 (view filing) | Feb 5 | 2 days | Lochner DanielChief Financial Officer | PPurchase | +4.62K | $54.14 | +$250.0K | New position4.62K after | |
| Oct 24, 2024 (view filing) | Oct 22 | 2 days | Springer Timothy ADirector, 10% Owner | PPurchase | +300.0K | $33.59 | +$10.1M | +7.9%4.10M after | |
| Sep 26, 2024 (view filing) | Sep 26 | Same day | Springer Timothy ADirector, 10% Owner | PPurchase | +50.0K | $28.82 | +$1.44M | +1.3%3.80M after | 4 lots |
| May 15, 2024 (view filing) | May 13-14 | 2 days | Leonard Braden Michael10% Owner | PPurchase | +766.6K | $1.27 | +$972.8K | +19.2%4.77M after | 3 lots |
| Jul 8, 2021 (view filing) | Jul 7 | 1 day | Vickers Philip J.Director | PPurchase | +4.80K | $8.35 | +$40.1K | New position4.80K after |