APOGEE THERAPEUTICS INC

Ticker: APGE CUSIP: 03770N101 Class: Common Stock

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

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

Q4 2025

Shares 1,057 Value ($000) $80 Avg Close $62.99 Range $38.88 - $80.99

Q2 2025

Shares 185 Value ($000) $8 Avg Close $38.04 Range $26.20 - $44.65

Q1 2025

Shares 805 Value ($000) $30 Avg Close $38.66 Range $29.10 - $50.56

Q4 2024

Shares 1,324 Value ($000) $60 Avg Close $51.00 Range $41.85 - $63.50

Q3 2024

Shares 670 Value ($000) $39 Avg Close $47.91 Range $36.60 - $60.82

Q2 2024

Shares 119 Value ($000) $5 Avg Close $48.54 Range $36.26 - $68.21

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,057	$80	$62.99	$38.88 - $80.99
Q2 2025	185	$8	$38.04	$26.20 - $44.65
Q1 2025	805	$30	$38.66	$29.10 - $50.56
Q4 2024	1,324	$60	$51.00	$41.85 - $63.50
Q3 2024	670	$39	$47.91	$36.60 - $60.82
Q2 2024	119	$5	$48.54	$36.26 - $68.21