TECTONIC THERAPEUTIC INC

Ticker: TECX CUSIP: 878972108 Class: Common Stock

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025

Shares 72,255 Value ($000) $1,507 Avg Close $18.58 Range $14.60 - $26.00

Q3 2025

Shares 83,231 Value ($000) $1,306 Avg Close $20.64 Range $14.39 - $27.33

Q2 2025

Shares 79,074 Value ($000) $1,571 Avg Close $20.27 Range $13.70 - $25.75

Q1 2025

Shares 14,682 Value ($000) $260 Avg Close $32.59 Range $15.30 - $61.07

Q4 2024

Shares 14,682 Value ($000) $678 Avg Close $42.29 Range $27.21 - $53.41

Q3 2024

Shares 9,645 Value ($000) $292 Avg Close $18.28 Range $15.08 - $31.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	72,255	$1,507	$18.58	$14.60 - $26.00
Q3 2025	83,231	$1,306	$20.64	$14.39 - $27.33
Q2 2025	79,074	$1,571	$20.27	$13.70 - $25.75
Q1 2025	14,682	$260	$32.59	$15.30 - $61.07
Q4 2024	14,682	$678	$42.29	$27.21 - $53.41
Q3 2024	9,645	$292	$18.28	$15.08 - $31.66