David I. Sandoval - 14 Mar 2025 Form 4 Insider Report for MAXCYTE, INC. (MXCT)

Role: GENERAL COUNSEL
Signature: /s/ David Sandoval
Issuer symbol: MXCT
Transactions as of: 14 Mar 2025
Net transactions value: $0
Form type: 4
Filing time: 18 Mar 2025, 20:49:42 UTC
Previous filing: 14 Jan 2025
Next filing: 20 Mar 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MXCT	Common Stock	Award	$0	+23,125	+56%	$0.000000	64,572	14 Mar 2025	Direct	F1

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)	Award	$0	+92,500		$0.000000	92,500	14 Mar 2025	Common Stock	92,500	$3.29	Direct	F2

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

Explanation of Responses:

Id	Content
F1	These shares represent restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. Twenty-five percent (25%) of the RSUs shall vest on March 14, 2026, and the remainder shall vest in three (3) equal annual installments thereafter, subject to the Reporting Person's continued service to the Issuer through each vesting date.
F2	Twenty-five percent (25%) of the shares underlying this option shall vest on March 14, 2026, and the remainder shall vest in thirty-six (36) equal monthly installments thereafter, subject to the Reporting Person's continued service to the Issuer through each vesting date.