SERA PROGNOSTICS INC

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

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q1 2025

Shares 64 Value ($000) $0 Avg Close $5.09 Range $3.33 - $8.73

Q4 2024

Shares 5,787 Value ($000) $0 Avg Close $7.35 Range $5.90 - $9.13

Q3 2024

Shares 82 Value ($000) $0 Avg Close $7.26 Range $5.23 - $8.56

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	64	$0	$5.09	$3.33 - $8.73
Q4 2024	5,787	$0	$7.35	$5.90 - $9.13
Q3 2024	82	$0	$7.26	$5.23 - $8.56