ANNEXON INC

Ticker: ANNX CUSIP: 03589W102 Class: COM

Sio Capital Management, LLC's Holding History (CIK: 0001482416)

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

Q2 2025

Shares 4,095,764 Value ($000) $9,830 Avg Close $2.00 Range $1.28 - $2.82

Q1 2025

Shares 3,397,786 Value ($000) $6,558 Avg Close $3.33 Range $1.93 - $5.66

Q4 2024

Shares 2,367,007 Value ($000) $12,143 Avg Close $6.15 Range $4.40 - $7.85

Q3 2024

Shares 1,433,155 Value ($000) $8,484 Avg Close $5.93 Range $4.45 - $7.31

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	4,095,764	$9,830	$2.00	$1.28 - $2.82
Q1 2025	3,397,786	$6,558	$3.33	$1.93 - $5.66
Q4 2024	2,367,007	$12,143	$6.15	$4.40 - $7.85
Q3 2024	1,433,155	$8,484	$5.93	$4.45 - $7.31