[Form 4] MaxCyte, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Douglas Richard, a director of MaxCyte, Inc. (MXCT), purchased shares on 08/13/2025. The Form 4 reports an acquisition of 80,000 shares of common stock, increasing his reported beneficial ownership to 230,577 shares held directly. The filing shows a reported price of $1.388 per share with a footnote stating the shares were bought in multiple transactions at prices ranging from $1.30 to $1.40 and that the reporter will provide a detailed breakdown on request. The form is signed by an attorney-in-fact for the reporting person.

Positive

• Director acquired 80,000 shares, increasing reported direct ownership to 230,577 shares
• Purchase prices disclosed as a range ($1.30 to $1.40) with a reported aggregate figure of $1.388, and the filer offers to provide transaction-level details on request

Negative

• None.

Insights

Securities Analyst

Insider purchase; modest increase in direct stake, limited disclosure on per-trade breakdown.

The director acquired 80,000 shares, raising direct beneficial ownership to 230,577 shares. The filing lists a reported per-share figure of $1.388 and a footnote confirming purchases occurred across prices between $1.30 and $1.40, with the reporting person offering to provide transaction-level details on request. Without company market-cap or total outstanding shares in this filing, the materiality relative to overall float cannot be determined from the document alone.

Corporate Governance Expert

Director buying shares is governance- and signaling-relevant but not conclusively material in isolation.

The disclosure shows a director-level purchase recorded on Form 4 and a direct ownership disclosure of 230,577 shares following the acquisition. The use of an attorney-in-fact to execute the filing is noted. The footnote's offer to provide price-by-price details is useful for transparency; however, the filing does not state whether this purchase was part of a scheduled plan or ad hoc, limiting conclusions about intent.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DOUGLAS RICHARD

(Last) (First) (Middle)

C/O MAXCYTE, INC.

9713 KEY WEST AVENUE, SUITE 400

(Street)

ROCKVILLE MD 20850

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MAXCYTE, INC. [ MXCT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/13/2025		P		80,000	A	$1.388(1)	230,577	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares were purchased in multiple transactions at prices ranging from $1.30 to $1.40, 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 purchased at each separate price within the range set forth in this footnote.

	/s/ David Sandoval, Attorney-in-Fact	08/13/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did MaxCyte (MXCT) director Douglas Richard report?

The Form 4 reports an acquisition of 80,000 common shares by Douglas Richard on 08/13/2025.

How many shares does Douglas Richard beneficially own after the transaction?

The filing shows beneficial ownership of 230,577 shares following the reported purchase.

At what price were the shares purchased in the MXCT Form 4?

The Form 4 lists a reported per-share figure of $1.388 and a footnote states purchases occurred at prices ranging from $1.30 to $1.40.

Was the ownership direct or indirect according to the filing?

The filing indicates the shares are held directly (ownership form: Direct).

Does the Form 4 provide a trade-by-trade breakdown of the purchases?

Not in the form itself; a footnote states the reporting person will provide a detailed breakdown of the number of shares purchased at each price within the disclosed range upon request.