Tectonic Therapeutic, Inc. insider trading
TECX$23.11+0.57 (+2.53%)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+52.0%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- TATimothy A. Springer30.816%
- TMTerrance McGuire3.3657%
- ARAlise Reicin2.2308%
- MKMarcella K. Ruddy0.3435%
- DLDaniel Lochner0.2968%
- PMPeter McNamara0.2778%
- MSMarc Schwabish0.2297%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| TECX | Peter McNamara | Open market sell$12.3K | -1.0% | $23.04 | $12.3K | Sep 30, 2026 | Oct 2, 2026 |
| TECX | Marcella K. Ruddy | Open market sell$32K | -1.6% | $30.00 | $32K | May 4, 2026 | May 6, 2026 |
| TECX | Marcella K. Ruddy | Open market sell$31.1K | -1.4% | $31.05 | $31.1K | Apr 1, 2026 | Apr 3, 2026 |
| TECX | Marcella K. Ruddy | Open market sell$300K | -12.5% | $30.00 | $300K | Mar 6, 2026 | Mar 9, 2026 |
| TECX | Peter McNamara | Open market sell$41.3K | -2.7% | $25.00 | $41.3K | Mar 4, 2026 | Mar 5, 2026 |
| TECX | Peter McNamara | Open market sell$36.4K | -4.2% | $22.06 | $36.4K | Mar 3, 2026 | Mar 5, 2026 |
| TECX | Alise Reicin | Open market purchase$52.8K | +0.7% | $21.10 | $52.8K | Feb 11, 2026 | Mar 5, 2026 |
| TECX | Daniel Lochner | Open market purchase$130K | +23.0% | $21.61 | $130K | Feb 10, 2026 | Feb 11, 2026 |