Richard M. Traynor

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
1 Apr 24	CERT Certara	Common Stock	Sell	Dispose S	No	Yes	18	3,000	54.00 k	173,524
1 Apr 24	CERT Certara	Common Stock	Payment of exercise	Dispose F	No	No	17.88	2,276	40.69 k	176,524
1 Apr 24	CERT Certara	Common Stock	Option exercise	Acquire M	No	No	0	6,644	0.00	178,800
1 Apr 24	CERT Certara	Common Stock	Payment of exercise	Dispose F	No	No	17.88	2,245	40.14 k	172,156
1 Apr 24	CERT Certara	Common Stock	Option exercise	Acquire M	No	No	0	6,651	0.00	174,401
1 Apr 24	CERT Certara	Common Stock	Payment of exercise	Dispose F	No	No	17.88	1,723	30.81 k	167,750
1 Apr 24	CERT Certara	RSU Common Stock	Option exercise	Dispose M	No	No	0	6,644	0.00	13,288
1 Apr 24	CERT Certara	RSU Common Stock	Option exercise	Dispose M	No	No	0	6,651	0.00	6,651
5 Mar 24	CERT Certara	Common Stock	Payment of exercise	Dispose F	No	No	18.88	3,660	69.10 k	169,473
5 Mar 24	CERT Certara	Common Stock	Grant	Acquire A	No	No	0	10,765	0.00	173,133

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