SERA PROGNOSTICS INC

Ticker: SERA CUSIP: 81749D107 Class: CLASS A COM

JANE STREET GROUP, LLC's Holding History (CIK: 0001595888)

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

Q4 2025

Shares 68,826 Value ($000) $203 Avg Close $3.23 Range $2.30 - $3.95

Q3 2024

Shares 14,225 Value ($000) $111 Avg Close $7.26 Range $5.23 - $8.56

Q2 2024

Shares 11,399 Value ($000) $67 Avg Close $8.94 Range $4.98 - $12.36

Q1 2024

Shares 124,951 Value ($000) $1,137 Avg Close $7.92 Range $4.90 - $10.44

Q4 2023

Shares 14,717 Value ($000) $88 Avg Close $2.90 Range $1.56 - $9.86

Q1 2023

Shares 30,507 Value ($000) $117 Avg Close $2.63 Range $1.15 - $4.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	68,826	$203	$3.23	$2.30 - $3.95
Q3 2024	14,225	$111	$7.26	$5.23 - $8.56
Q2 2024	11,399	$67	$8.94	$4.98 - $12.36
Q1 2024	124,951	$1,137	$7.92	$4.90 - $10.44
Q4 2023	14,717	$88	$2.90	$1.56 - $9.86
Q1 2023	30,507	$117	$2.63	$1.15 - $4.25