Timothy A Springer

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
11 Apr 25	RNAC Cartesian Therapeutics	Common Stock	Buy	Acquire P	Yes	No	10.7726	36,338	391.45 k	656,513
11 Apr 25	RNAC Cartesian Therapeutics	Common Stock	Buy	Acquire P	No	No	10.7726	6,412	69.07 k	8,643,685
11 Apr 25	TECX Tectonic Therapeutic	Common Stock	Buy	Acquire P	Yes	No	16.31	53,706	875.94 k	1,503,358
11 Apr 25	TECX Tectonic Therapeutic	Common Stock	Buy	Acquire P	No	No	16.31	9,478	154.59 k	4,334,846
10 Apr 25	RNAC Cartesian Therapeutics	Common Stock	Buy	Acquire P	Yes	No	10.9231	3,451	37.70 k	620,175
10 Apr 25	RNAC Cartesian Therapeutics	Common Stock	Buy	Acquire P	Yes	No	10.4345	45,144	471.06 k	616,724
10 Apr 25	RNAC Cartesian Therapeutics	Common Stock	Buy	Acquire P	No	No	10.9231	609	6.65 k	8,637,273
10 Apr 25	RNAC Cartesian Therapeutics	Common Stock	Buy	Acquire P	No	No	10.4345	7,966	83.12 k	8,636,664
10 Apr 25	TECX Tectonic Therapeutic	Common Stock	Buy	Acquire P	Yes	No	16.73	45,858	767.20 k	1,449,652
10 Apr 25	TECX Tectonic Therapeutic	Common Stock	Buy	Acquire P	No	No	16.73	8,092	135.38 k	4,325,368

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.