Tectonic Therapeutic (TECX) stock: insider trades, news & valuation
Net sellingShare price and insider trades
Tectonic Therapeutic insider trading at a glance (Oct 9, 2026): in the past 12 months, 2 insiders bought $235K and 2 sold $651K of TECX stock on the open market.
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TECX insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $15K | 3 |
| Q2 2026 | — | 0 | $69K | 3 |
| Q1 2026 | $235K | 3 | $567K | 5 |
Valuation, profit and volume
Summary
Over the past 12 months, 2 Tectonic Therapeutic, Inc. insiders reported open-market purchases totaling $235K, while 2 insiders reported sales totaling $651K. Among insiders with enough purchase history to measure, Alise Reicin (CEO) has the highest Insider Score at 57. 11 of 11 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Oct 2SEC | Peter McnamaraChief Scientific Officer | Sell Plan | 53654,305 held (−1%) | $23.04 | $12K | +1.3% | — |
| Aug 26SEC | Peter McnamaraChief Scientific Officer | Sell Plan | 4355,285 held (−0%) | $36.52 | $2K | -36.1% | — |
| Aug 14SEC | Peter McnamaraChief Scientific Officer | Sell Plan | 4355,285 held (−0%) | $35.00 | $2K | -33.3% | — |
| Jul 1SEC | Peter McnamaraChief Scientific Officer | Sell Plan | 17255,285 held (−0%) | $35.00 | $6K | -33.3% | — |
| May 6SEC | Marcella K. RuddyChief Medical Officer | Sell Plan | 1,06567,682 held (−2%) | $30.00 | $32K | -22.2% | — |
| Apr 3SEC | Marcella K. RuddyChief Medical Officer | Sell Plan | 1,00068,747 held (−1%) | $31.05 | $31K | -24.9% | — |
| Mar 9SEC | Marcella K. RuddyChief Medical Officer | Sell Plan | 10,00069,747 held (−13%) | $30.00 | $300K | -22.2% | — |
| Mar 9SEC | Peter McnamaraChief Scientific Officer | Sell Plan | 6,04755,500 held (−10%) | $30.00 | $181K | -22.2% | — |
| Mar 9SEC | Peter McnamaraChief Scientific Officer | Sell Plan | 21555,285 held (−0%) | $35.00 | $8K | -33.3% | — |
| Mar 5SEC | Alise ReicinCEO | Buy | 2,500127,030 held (+2%) | $21.10 | $53K | +10.6% | 57 |
| Mar 5SEC | Peter McnamaraChief Scientific Officer | Sell Plan | 1,65058,832 held (−3%) | $25.00 | $41K | -6.7% | — |
| Mar 5SEC | Peter McnamaraChief Scientific Officer | Sell Plan | 1,64937,482 held (−4%) | $22.06 | $36K | +5.8% | — |
| Feb 12SEC | Alise ReicinCEO | Buy | 2,500237,547 held (+1%) | $21.10 | $53K | +10.6% | 57 |
| Feb 11SEC | Daniel LochnerCFO | Buy | 6,00032,044 held (+23%) | $21.61 | $130K | +8.0% | — |
Insiders at Tectonic Therapeutic, Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Daniel LochnerCFO | $130K | — | Feb 11, 2026 | — |
| Marcella K. RuddyChief Medical Officer | — | $363K | May 6, 2026 | — |
| Alise ReicinCEO | $106K | — | Mar 5, 2026 | 57 |
| Peter McnamaraChief Scientific Officer | — | $288K | Oct 2, 2026 | — |
TECX stock: common questions
Are Tectonic Therapeutic, Inc. insiders buying TECX stock?
In the past 12 months, 2 insiders reported open-market purchases of TECX worth $235K. The latest was CEO Alise Reicin bought $53K of TECX at $21.10.
Are Tectonic Therapeutic, Inc. insiders selling TECX stock?
2 insiders reported sales worth $651K over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is TECX's 52-week range?
Over the past year TECX has traded between $16.02 and $37.93. It last closed at $23.33 on Oct 9, 2026.