Douglas Doerfler - 01 Feb 2023 Form 4 Insider Report for MAXCYTE, INC. (MXCT)

Role: President and CEO, Director
Signature: /s/ Brian F. Leaf, Attorney-in-Fact
Issuer symbol: MXCT
Transactions as of: 01 Feb 2023
Transactions value $: -$170,353
Form type: 4
Filing time: 03 Feb 2023, 15:31:55 UTC
Previous filing: 05 Jan 2023
Next filing: 21 Mar 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MXCT	Common Stock	Options Exercise	$773	+19,335	+5.8%	$0.04^*	352,532	01 Feb 2023	Direct	F1
transaction	MXCT	Common Stock	Sale	-$110,016	-19,335	-5.5%	$5.69	333,197	01 Feb 2023	Direct	F1, F2
transaction	MXCT	Common Stock	Options Exercise	$426	+10,665	+3.2%	$0.04^*	343,862	02 Feb 2023	Direct	F1
transaction	MXCT	Common Stock	Sale	-$61,537	-10,665	-3.1%	$5.77	333,197	02 Feb 2023	Direct	F1, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MXCT	Employee Stock Option (right to buy)	Options Exercise	$0	-19,335	-4.7%	$0	395,745	01 Feb 2023	Common Stock	19,335	$0.04	Direct	F1, F4
transaction	MXCT	Employee Stock Option (right to buy)	Options Exercise	$0	-10,665	-2.7%	$0	385,080	02 Feb 2023	Common Stock	10,665	$0.04	Direct	F1, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The sales and option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 18, 2022 relating solely to the sale of shares acquired from exercise of an option that expires on November 11, 2024.
F2	The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.50 to $5.85, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3	The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $5.69 to $5.885, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F4	This option is fully vested and exercisable.