ANNEXON INC

Ticker: ANNX CUSIP: 03589W102 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2025

Shares 398,077 Value ($000) $1,998 Avg Close $3.82 Range $2.54 - $5.48

Q1 2025

Shares 356,480 Value ($000) $688 Avg Close $3.33 Range $1.93 - $5.66

Q4 2024

Shares 268,166 Value ($000) $1,376 Avg Close $6.15 Range $4.40 - $7.85

Q3 2024

Shares 263,360 Value ($000) $1,559 Avg Close $5.93 Range $4.45 - $7.31

Q2 2024

Shares 193,419 Value ($000) $948 Avg Close $5.17 Range $4.20 - $7.44

Q1 2024

Shares 169,570 Value ($000) $1,216 Avg Close $5.19 Range $3.86 - $8.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	398,077	$1,998	$3.82	$2.54 - $5.48
Q1 2025	356,480	$688	$3.33	$1.93 - $5.66
Q4 2024	268,166	$1,376	$6.15	$4.40 - $7.85
Q3 2024	263,360	$1,559	$5.93	$4.45 - $7.31
Q2 2024	193,419	$948	$5.17	$4.20 - $7.44
Q1 2024	169,570	$1,216	$5.19	$3.86 - $8.40