StockCIK 1681087

Tectonic Therapeutic, Inc. (TECX): Insider Trades and Fund Holdings

In the past 12 months, Tectonic Therapeutic, Inc. insiders reported 0 open-market purchases worth $0 and 3 sales worth $15K; 3 of the sales were reported as made under a 10b5-1 trading plan.

0Insider buys, 12 months

$0Bought by insiders, 12 months

$15KSold by insiders, 12 months

0Tracked funds holding

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 2, 2026.

Recent TECX insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Oct 2	Sep 30	Peter McNamaraChief Scientific Officer	Chief Scientific Officer	▼ SELL10b5-1	536	23.04	$12K	−1.0%	Form 4 ↗
Aug 26	Aug 25	Peter McNamaraChief Scientific Officer	Chief Scientific Officer	▼ SELL10b5-1	43	36.51	$2K	−0.1%	Form 4 ↗
Aug 14	Aug 12	Peter McNamaraChief Scientific Officer	Chief Scientific Officer	▼ SELL10b5-1	43	35.00	$2K	−0.1%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

Insiders who traded in the past year

Insider	Role	Buys	Bought	Sells	Sold	Latest
Peter McNamara	Chief Scientific Officer	0	$0	3	$15K	Oct 2, 2026

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →