| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Across the last three months, Tectonic Therapeutic, Inc.'s insiders have reduced their positions by a net 622 shares worth roughly $15K. In the past 30 days, 0 insiders bought and 1 sold. Sales set the recent tone.
On the other side, 1 insider reduced a position over the period. TECX sits in the Biotechnology industry within the Health Care sector, so this activity is best read against the sector's broader insider trend.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 309.1K | $7.32M | - | |
| Other | 67.2K | $1.59M | - | |
| CFO | 58.0K | $1.37M | - | |
| Other | 54.3K | $1.25M | -536 | |
| Other | 44.9K | $1.06M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | McNamara Peter | Chief Scientific Officer | Sell | 536 | $23.04 | $12,349.44 | -1.0% | - | - | |
| Aug 25, 2026 | McNamara Peter | Chief Scientific Officer | Sale+OE | 43 | $36.52 | $1,570.36 | - | - | - | |
| Aug 12, 2026 | McNamara Peter | Chief Scientific Officer | Sale+OE | 43 | $35.00 | $1,505.00 | - | - | - | |
| Jun 30, 2026 | McNamara Peter | Chief Scientific Officer | Sale+OE | 172 | $35.00 | $6,020.00 | -0.3% | -31.6% | - | |
| May 4, 2026 | Ruddy Marcella K. | Chief Medical Officer | Sell | 1,065 | $30.00 | $31,950.00 | -1.5% | -5.8% | - | |
| Apr 1, 2026 | Ruddy Marcella K. | Chief Medical Officer | Sell | 1,000 | $31.05 | $31,050.00 | -1.4% | +11.7% | - | |
| Mar 6, 2026 | Ruddy Marcella K. | Chief Medical Officer | Sell | 10,000 | $30.00 | $300,000.00 | -12.5% | -18.8% | - | |
| Mar 6, 2026 | McNamara Peter | Chief Scientific Officer | Sale+OE | 6,262 | $30.17 | $188,935.00 | -10.2% | -18.8% | - | |
| Mar 4, 2026 | McNamara Peter | Chief Scientific Officer | Sell | 3,299 | $23.53 | $77,626.94 | -5.3% | +0.1% | - | |
| Feb 11, 2026 | Reicin Alise | Chief Executive Officer | Buy | 2,500 | $21.10 | $52,750.00 | +1.1% | +27.0% | - |