TECX
Tectonic Therapeutic, Inc.
NASDAQ · Healthcare · Biotechnology · US
$30.76
+2.79%0
Insider buys (3m)
3
Insider sells (3m)
-$9.1K
Net value (3m)
+3.4%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 26, 2026 | McNamara Peter · officer: Chief Scientific Officer | Sale | 43 | $37 |
| Aug 26, 2026 | McNamara Peter · officer: Chief Scientific Officer | M-Exempt | 43 | $15 |
| Aug 14, 2026 | McNamara Peter · officer: Chief Scientific Officer | Sale | 43 | $35 |
| Aug 14, 2026 | McNamara Peter · officer: Chief Scientific Officer | M-Exempt | 43 | $15 |
| Jul 1, 2026 | McNamara Peter · officer: Chief Scientific Officer | M-Exempt | 172 | $15 |
| Jul 1, 2026 | McNamara Peter · officer: Chief Scientific Officer | Sale | 172 | $35 |
| Jun 23, 2026 | REICIN ALISE · director, officer: Chief Executive Officer | F-InKind | 924 | $30 |
| Jun 12, 2026 | Lochner Daniel · officer: Chief Financial Officer | A-Award | 7,500 | $17 |
| Jun 10, 2026 | Chutter Jessica Caroline · director | A-Award | 20,400 | $29 |
| Jun 10, 2026 | SPRINGER TIMOTHY A · director, 10 percent owner: | A-Award | 10,200 | $29 |
| Jun 10, 2026 | Tipirneni Praveen P. · director | A-Award | 10,200 | $29 |
| Jun 10, 2026 | Donenberg Phillip B. · director | A-Award | 10,200 | $29 |
| Jun 10, 2026 | Vitorovic Stefan · director | A-Award | 10,200 | $29 |
| May 6, 2026 | Ruddy Marcella K. · officer: Chief Medical Officer | Sale | 1,065 | $30 |
| Apr 3, 2026 | Ruddy Marcella K. · officer: Chief Medical Officer | Sale | 1,000 | $31 |
| Apr 3, 2026 | Nader Francois · director | A-Award | 20,400 | $31 |
| Mar 9, 2026 | McNamara Peter · officer: Chief Scientific Officer | M-Exempt | 215 | $15 |
| Mar 9, 2026 | McNamara Peter · officer: Chief Scientific Officer | Sale | 215 | $35 |
| Mar 9, 2026 | McNamara Peter · officer: Chief Scientific Officer | Sale | 6,047 | $30 |
| Mar 9, 2026 | McNamara Peter · officer: Chief Scientific Officer | M-Exempt | 2,500 | $2.38 |
| Mar 9, 2026 | Ruddy Marcella K. · officer: Chief Medical Officer | Sale | 10,000 | $30 |
| Mar 5, 2026 | McNamara Peter · officer: Chief Scientific Officer | A-Award | 21,000 | $27 |
| Mar 5, 2026 | Lochner Daniel · officer: Chief Financial Officer | A-Award | 26,500 | $0.00 |
| Mar 5, 2026 | Lochner Daniel · officer: Chief Financial Officer | A-Award | 24,250 | $27 |
| Mar 5, 2026 | REICIN ALISE · director, officer: Chief Executive Officer | Purchase | 2,500 | $21 |
| Mar 5, 2026 | Ruddy Marcella K. · officer: Chief Medical Officer | A-Award | 26,500 | $0.00 |
| Mar 5, 2026 | Ruddy Marcella K. · officer: Chief Medical Officer | A-Award | 24,250 | $27 |
| Mar 5, 2026 | REICIN ALISE · director, officer: Chief Executive Officer | A-Award | 76,500 | $0.00 |
| Mar 5, 2026 | REICIN ALISE · director, officer: Chief Executive Officer | A-Award | 69,250 | $27 |
| Mar 5, 2026 | Schwabish Marc · officer: Chief Business Officer | A-Award | 19,500 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 53Increased 75Reduced 80Sold out 10
| Filer | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 2,830,378 | Aug 13, 2026 |
| FMR LLC | Increased | 2,816,494 | May 15, 2026 |
| TCG Crossover Management, LLC | Unchanged | 1,204,891 | Aug 14, 2026 |
| TCG CROSSOVER MANAGEMENT, LLC | New Position | 1,204,891 | May 15, 2026 |
| ABRDN PLC | Unchanged | 1,141,824 | Apr 29, 2026 |
| Aberdeen Group plc | Unchanged | 1,141,824 | Jul 31, 2026 |
| BlackRock, Inc. | Increased | 862,592 | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 860,352 | May 13, 2026 |
| BRAIDWELL LP | Reduced | 847,151 | May 15, 2026 |
| First Light Asset Management, LLC | Increased | 800,726 | Aug 14, 2026 |
| FIRST LIGHT ASSET MANAGEMENT, LLC | New Position | 647,743 | May 15, 2026 |
| BAKER BROS. ADVISORS LP | Unchanged | 607,788 | Aug 14, 2026 |
| BAKER BROS. ADVISORS LP | Reduced | 607,788 | May 15, 2026 |
| 5AM Venture Management, LLC | Unchanged | 606,660 | Aug 14, 2026 |
| 5AM VENTURE MANAGEMENT, LLC | Unchanged | 606,660 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 26, 2026