David S. Ege

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
16 Aug 24	MCRB Seres Therapeutics	Common Stock	Sell	Dispose S	No	Yes	0.84	1,128	947.52	77,575
15 Aug 24	MCRB Seres Therapeutics	Common Stock	Option exercise	Acquire M	No	No	0	2,969	0.00	78,703
15 Aug 24	MCRB Seres Therapeutics	RSU Common Stock	Option exercise	Dispose M	No	No	0	2,969	0.00	29,688
15 May 24	MCRB Seres Therapeutics	Common Stock	Sell	Dispose S	No	Yes	0.94	1,090	1.02 k	75,734
15 May 24	MCRB Seres Therapeutics	Common Stock	Option exercise	Acquire M	No	No	0	2,968	0.00	76,824
15 May 24	MCRB Seres Therapeutics	RSU Common Stock	Option exercise	Dispose M	No	No	0	2,968	0.00	32,657
16 Feb 24	MCRB Seres Therapeutics	Common Stock	Sell	Dispose S	No	Yes	1.08	5,010	5.41 k	73,856
15 Feb 24	MCRB Seres Therapeutics	Common Stock	Option exercise	Acquire M	No	No	0	11,875	0.00	78,866
15 Feb 24	MCRB Seres Therapeutics	RSU Common Stock	Option exercise	Dispose M	No	No	0	11,875	0.00	35,625
14 Feb 24	MCRB Seres Therapeutics	RSU Common Stock	Grant	Acquire A	No	No	0	31,250	0.00	31,250

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