TECX insider trading — Tectonic Therapeutic, Inc.
No open-market insider purchases or sales were filed for Tectonic Therapeutic, Inc. (TECX) in the last 90 days. Other insider transactions — such as stock awards, option exercises or tax withholding — are listed below.
Updated Oct 16, 2026.
Recent TECX insider transactions
Every Form 4 filed by Tectonic Therapeutic, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Sep 25, 2026 | Lochner Daniel | Chief Financial Officer | F · Tax withholding | Direct | 520 | $23.67 | $12K | Form 4 |
| Sep 30, 2026 | Mcnamara Peter | Chief Scientific Officer | S · Sale · 10b5-1 | Direct | 536 | $23.04 | $12K | Form 4 |
| Sep 25, 2026 | Mcnamara Peter | Chief Scientific Officer | F · Tax withholding · 10b5-1 | Direct | 444 | $23.67 | $11K | Form 4 |
| Sep 25, 2026 | Ruddy Marcella K. | Chief Medical Officer | F · Tax withholding | Direct | 525 | $23.67 | $12K | Form 4 |
| Sep 25, 2026 | Reicin Alise | Chief Executive Officer | F · Tax withholding | Direct | 1,545 | $23.67 | $37K | Form 4 |
| Sep 25, 2026 | Schwabish Marc | Chief Business Officer | F · Tax withholding | Direct | 411 | $23.67 | $10K | Form 4 |
| Aug 25, 2026 | Mcnamara Peter | Chief Scientific Officer | M · Option exercise · 10b5-1 | Direct | 43 | $14.71 | $633 | Form 4 |
| Aug 25, 2026 | Mcnamara Peter | Chief Scientific Officer | S · Sale · 10b5-1 | Direct | 43 | $36.52 | $2K | Form 4 |
| Aug 12, 2026 | Mcnamara Peter | Chief Scientific Officer | M · Option exercise · 10b5-1 | Direct | 43 | $14.71 | $633 | Form 4 |
| Aug 12, 2026 | Mcnamara Peter | Chief Scientific Officer | S · Sale · 10b5-1 | Direct | 43 | $35.00 | $2K | Form 4 |
TECX insider trading FAQ
Are insiders buying TECX stock?
Not on the open market. In the last 90 days, Tectonic Therapeutic, Inc. insiders made no open-market purchases, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading TECX?
No insider bought or sold on the open market in the last 90 days.
Where does TECX insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.