TECX

Healthcare

Tectonic Therapeutic, Inc.

$33.00-1.12 (-3.29%)

Prev Close

$34.12

Open

$34.68

High

$34.68

Low

$31.39

Volume

185.8K

Market Cap

$631.5M

P/E

—

Div Yield

—

Over the past 12 months, insider activity at Tectonic Therapeutic, Inc. (TECX) has been mixed between buying and selling, with 6 insider purchases totaling $11.27M and 10 insider sales totaling $9.40M. The most recent insider transaction was by McNamara Peter (officer: Chief Scientific Officer), who sold $188.9K worth of shares on Mar 9, 2026. Tectonic Therapeutic, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $631.5M.

Buys (12M)

$11.27M

Sells (12M)

$9.40M

Net Activity

Net Buyer

$1.86M

Active Insiders

last 12 mo

TECX Price Chart

TECX Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 9, 2026↗	McNamara Peter	officer: Chief Scientific Officer	Sell	6,262	$30.17	$188.9K	55,500
Mar 9, 2026↗	Ruddy Marcella K.	officer: Chief Medical Officer	Sell	10,000	$30.00	$300.0K	69,747
Mar 5, 2026↗	McNamara Peter	officer: Chief Scientific Officer	Sell	3,299	$23.53	$77.6K	58,832
Mar 5, 2026↗	REICIN ALISE	director, officer: Chief Executive Officer	Buy	5,000	$21.10	$105.5K	127,030
Feb 11, 2026↗	Lochner Daniel	officer: Chief Financial Officer	Buy	6,000	$21.61	$129.7K	32,044
Feb 11, 2026↗	REICIN ALISE	Chief Executive Officer	Buy	2,500	$21.10	$52.8K	0
Feb 10, 2026↗	Lochner Daniel	Chief Financial Officer	Buy	6,000	$21.61	$129.7K	0
Feb 4, 2026↗	Lochner Daniel	Chief Financial Officer	Sell	2,077	$23.22	$48.2K	0
Feb 4, 2026↗	McNamara Peter	Chief Scientific Officer	Sell	1,748	$23.22	$40.6K	0
Feb 4, 2026↗	REICIN ALISE	Chief Executive Officer	Sell	4,104	$23.22	$95.3K	0
Feb 4, 2026↗	Ruddy Marcella K.	Chief Medical Officer	Sell	2,064	$23.22	$47.9K	0
Feb 4, 2026↗	Schwabish Marc	Chief Business Officer	Sell	1,619	$23.22	$37.6K	0
Jun 20, 2025↗	REICIN ALISE	Chief Executive Officer	Sell	859	$19.81	$17.0K	0
Apr 9, 2025↗	SPRINGER TIMOTHY A	Director	Buy	141,923	$16.20	$2.30M	0
Apr 7, 2025↗	MCGUIRE TERRANCE	Director	Sell	500,000	$17.10	$8.55M	0
Apr 7, 2025↗	SPRINGER TIMOTHY A	Director	Buy	500,000	$17.10	$8.55M	0

TECX Insider Buying Activity

The following table shows recent insider purchases of Tectonic Therapeutic, Inc. (TECX) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 5, 2026↗	REICIN ALISE	director, officer: Chief Executive Officer	Buy	5,000	$21.10	$105.5K	127,030
Feb 11, 2026↗	Lochner Daniel	officer: Chief Financial Officer	Buy	6,000	$21.61	$129.7K	32,044
Feb 11, 2026↗	REICIN ALISE	Chief Executive Officer	Buy	2,500	$21.10	$52.8K	0
Feb 10, 2026↗	Lochner Daniel	Chief Financial Officer	Buy	6,000	$21.61	$129.7K	0
Apr 9, 2025↗	SPRINGER TIMOTHY A	Director	Buy	141,923	$16.20	$2.30M	0
Apr 7, 2025↗	SPRINGER TIMOTHY A	Director	Buy	500,000	$17.10	$8.55M	0

TECX Insider Selling Activity

The following table shows recent insider sales of Tectonic Therapeutic, Inc. (TECX) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 9, 2026↗	McNamara Peter	officer: Chief Scientific Officer	Sell	6,262	$30.17	$188.9K	55,500
Mar 9, 2026↗	Ruddy Marcella K.	officer: Chief Medical Officer	Sell	10,000	$30.00	$300.0K	69,747
Mar 5, 2026↗	McNamara Peter	officer: Chief Scientific Officer	Sell	3,299	$23.53	$77.6K	58,832
Feb 4, 2026↗	Lochner Daniel	Chief Financial Officer	Sell	2,077	$23.22	$48.2K	0
Feb 4, 2026↗	McNamara Peter	Chief Scientific Officer	Sell	1,748	$23.22	$40.6K	0
Feb 4, 2026↗	REICIN ALISE	Chief Executive Officer	Sell	4,104	$23.22	$95.3K	0
Feb 4, 2026↗	Ruddy Marcella K.	Chief Medical Officer	Sell	2,064	$23.22	$47.9K	0
Feb 4, 2026↗	Schwabish Marc	Chief Business Officer	Sell	1,619	$23.22	$37.6K	0
Jun 20, 2025↗	REICIN ALISE	Chief Executive Officer	Sell	859	$19.81	$17.0K	0
Apr 7, 2025↗	MCGUIRE TERRANCE	Director	Sell	500,000	$17.10	$8.55M	0