TECX
Tectonic Therapeutic, Inc. · Healthcare · Market cap $386.7M
Insiders sold $15K net in the last 90 days ·1 seller, 0 buyers· 3 of 3 sales under Rule 10b5-1 plans· latest Form 4 filed Oct 2, 2026
Insider Buying
$182K
reported purchases (SEC code P)
Insider Selling
$651K
reported sales (SEC code S)
Unique Insiders
4
in the rolling window
Latest filing
Oct 28, 2026
McNamara Peter
Tectonic Therapeutic, Inc. (TECX) has 30 SEC Form 4 filings (39 transaction rows) in the rolling window, disclosed by 4 distinct insiders. Most recent filing: Oct 28, 2026.
Inside the rolling window, 4 insiders at Tectonic Therapeutic, Inc. reported 2 open-market purchases totaling $182K and 10 open-market sales totaling $651K. The most active filer is Chief Scientific Officer McNamara Peter with 7 filings. The most recent open-market filing is a sale of 536 shares by Chief Scientific Officer McNamara Peter, dated Sep 30, 2026, worth $12K.
- Industry:Biotechnology
- CEO:Alise S. Reicin
- Employees:60
- HQ:Watertown, MA, US
- IPO:2018-06-21
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Chief Scientific Officer | Sale | 536 | $12K | Oct 2 | -12.2% | SEC ↗ | |
| Chief Scientific Officer | Sale | 43 | $2K | Aug 26 | -45.0% | SEC ↗ | |
| Chief Scientific Officer | Sale | 43 | $2K | Aug 14 | -43.3% | SEC ↗ | |
McNamara PeterFirst in 4 months | Chief Scientific Officer | Sale | 172 | $6K | Jul 1 | -39.6% | SEC ↗ |
| Chief Medical Officer | Sale | 1,065 | $32K | May 6 | -31.8% | SEC ↗ | |
| Chief Medical Officer | Sale | 1,000 | $31K | Apr 3 | -34.0% | SEC ↗ | |
| Chief Scientific Officer | Sale | 6,262 | $189K | Mar 9 | -41.8% | SEC ↗ | |
Ruddy Marcella K.First filing | Chief Medical Officer | Sale | 10,000 | $300K | Mar 9 | -41.8% | SEC ↗ |
McNamara PeterFirst filing | Chief Scientific Officer | Sale | 1,649 | $36K | Mar 5 | -29.0% | SEC ↗ |
McNamara PeterFirst filing | Chief Scientific Officer | Sale | 1,650 | $41K | Mar 5 | — | SEC ↗ |
| Chief Executive Officer | Purchase | 2,500 | $53K | Mar 5 | — | SEC ↗ | |
Lochner DanielFirst filing | Chief Financial Officer | Purchase | 6,000 | $130K | Feb 11 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does TECX have?
Tectonic Therapeutic, Inc. (TECX) has 30 SEC Form 4 filings (39 transaction rows) in the rolling 365-day window, disclosed by 4 distinct insiders. Most recent filing: Oct 28, 2026.
When was the most recent SEC Form 4 filing for TECX?
The most recent Form 4 filing for TECX on Tracefour is dated Oct 28, 2026.
Who is the most active insider at TECX?
The most active SEC Form 4 filer at TECX in the rolling window is Chief Scientific Officer McNamara Peter, with 7 filings.
What is the net insider flow at TECX over the last 6 months?
Over the trailing 180 days, insiders at TECX have net sold $53K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at TECX in the current window?
Inside the rolling window, insiders at TECX bought $182K and sold $651K based on SEC Form 4 filings.
Can I get alerts for TECX insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Tectonic Therapeutic, Inc. (TECX). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Tectonic Therapeutic, Inc. is in the Healthcare sector.