John E Gallagher

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
1 Apr 24	CERT Certara	Common Stock	Payment of exercise	Dispose F	No	No	17.88	4,327	77.37 k	18,218
1 Apr 24	CERT Certara	Common Stock	Option exercise	Acquire M	No	No	0	12,632	0.00	22,545
1 Apr 24	CERT Certara	Common Stock	Payment of exercise	Dispose F	No	No	17.88	4,750	84.93 k	9,913
1 Apr 24	CERT Certara	Common Stock	Option exercise	Acquire M	No	No	0	14,663	0.00	14,663
1 Apr 24	CERT Certara	RSU Common Stock	Grant	Acquire A	No	No	0	45,571	0.00	45,571
1 Apr 24	CERT Certara	RSU Common Stock	Option exercise	Dispose M	No	No	0	12,632	0.00	25,266
1 Apr 24	CERT Certara	RSU Common Stock	Option exercise	Dispose M	No	No	0	14,663	0.00	14,663

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