TRIMAS CORP

Ticker: TRS CUSIP: 896215209 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025

Shares 1,354 Value ($000) $48 Avg Close $34.92 Range $30.43 - $40.30

Q3 2013

Shares 711 Value ($000) $27 Avg Close $29.78 Range $27.64 - $32.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,354	$48	$34.92	$30.43 - $40.30
Q3 2013	711	$27	$29.78	$27.64 - $32.50