CARTESIAN THERAPEUTICS INC

Ticker: RNAC CUSIP: 816212302 Class: Common Stock

Siren, L.L.C.'s Holding History (CIK: 0002005245)

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

Q3 2025

Shares 563,272 Value ($000) $5,757 Avg Close $11.24 Range $9.12 - $15.57

Q2 2025

Shares 563,272 Value ($000) $5,852 Avg Close $10.65 Range $8.46 - $13.66

Q1 2025

Shares 563,272 Value ($000) $7,424 Avg Close $17.87 Range $13.02 - $20.12

Q4 2024

Shares 572,236 Value ($000) $10,249 Avg Close $20.25 Range $15.47 - $26.50

Q3 2024

Shares 572,236 Value ($000) $9,224 Avg Close $15.62 Range $12.48 - $28.83

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	563,272	$5,757	$11.24	$9.12 - $15.57
Q2 2025	563,272	$5,852	$10.65	$8.46 - $13.66
Q1 2025	563,272	$7,424	$17.87	$13.02 - $20.12
Q4 2024	572,236	$10,249	$20.25	$15.47 - $26.50
Q3 2024	572,236	$9,224	$15.62	$12.48 - $28.83