TECTONIC THERAPEUTIC INC

Ticker: TECX CUSIP: 878972108 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 9,142 Value ($000) $191 Avg Close $18.58 Range $14.60 - $26.00

Q3 2025

Shares 768 Value ($000) $0 Avg Close $20.64 Range $14.39 - $27.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,142	$191	$18.58	$14.60 - $26.00
Q3 2025	768	$0	$20.64	$14.39 - $27.33