SERES THERAPEUTICS INC

Ticker: MCRB CUSIP: 81750R201 Class: Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 103,621 Value ($000) $1,542 Avg Close $17.44 Range $12.48 - $29.98

Q3 2025

Shares 102,060 Value ($000) $1,964 Avg Close $15.96 Range $9.80 - $24.66

Q2 2025

Shares 101,351 Value ($000) $1,126 Avg Close $8.80 Range $6.53 - $14.58

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	103,621	$1,542	$17.44	$12.48 - $29.98
Q3 2025	102,060	$1,964	$15.96	$9.80 - $24.66
Q2 2025	101,351	$1,126	$8.80	$6.53 - $14.58