John Joseph Johnston

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
27 Jan 25	MXCT MaxCyte	Common Stock	Sell	Dispose S	No	Yes	4.645	3,000	13.93 k	141,950
27 Jan 25	MXCT MaxCyte	Common Stock	Option exercise	Acquire M	No	Yes	2.932	3,000	8.80 k	144,950
27 Jan 25	MXCT MaxCyte	Stock Option Common Stock	Option exercise	Dispose M	No	Yes	2.932	3,000	8.80 k	17,417
26 Dec 24	MXCT MaxCyte	Common Stock	Sell	Dispose S	No	Yes	4.007	3,000	12.02 k	141,950
26 Dec 24	MXCT MaxCyte	Common Stock	Option exercise	Acquire M	No	Yes	2.932	3,000	8.80 k	144,950
26 Dec 24	MXCT MaxCyte	Stock Option Common Stock	Option exercise	Dispose M	No	Yes	2.932	3,000	8.80 k	20,417
9 Dec 24	MXCT MaxCyte	Common Stock	Sell	Dispose S	No	Yes	3.791	2,495	9.46 k	141,950
9 Dec 24	MXCT MaxCyte	Common Stock	Option exercise	Acquire M	No	Yes	2.932	483	1.42 k	144,445
9 Dec 24	MXCT MaxCyte	Common Stock	Option exercise	Acquire M	No	Yes	1.641	1,121	1.84 k	143,962
9 Dec 24	MXCT MaxCyte	Common Stock	Option exercise	Acquire M	No	Yes	2.926	891	2.61 k	142,841

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