MaxCyte, Inc. (MXCT) Insider Trading

Last 12 months

Insiders sold $8k and bought nothing on the open market.

None of the selling was scheduled in advance under a 10b5-1 plan. The last open-market buy by an executive or director was in Aug 2025.

Net open-market

−$8k

0 buys · 1 sale

Under a 10b5-1 plan

of the value sold

Insiders who bought / sold

0 / 1

executives and directors

Last open-market buy

Aug 2025

Aug 13, 2025

Get an email when MXCT's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
Mar 17	Douglas J Swirsky CHIEF FINANCIAL OFFICER	SoldNo plan	10,142	$0.82	$8k	6.3%	Form 4
Aug 13, 2025	Douglas J Swirsky CHIEF FINANCIAL OFFICER	Bought	50,000	$1.29	$65k	45%	Form 4
Aug 13, 2025	Maher Masoud President and CEO	Bought	75,000	$1.37	$103k	75%	Form 4
Aug 13, 2025	Stanley C Erck Director	Bought	100,000	$1.37	$137k	34%	Form 4
Aug 13, 2025	Richard Douglas Director	Bought	80,000	$1.39	$111k	53%	Form 4
Aug 13, 2025	William W Brooke Director	Bought	50,000	$1.29	$65k	50%	Form 4
Jun 25, 2025	Rekha Hemrajani Director	Sold10b5-1 plan	10,684	$2.09	$22k	21%	Form 4
Mar 18, 2025	Ali Soleymannezhad Chief Commercial Officer	SoldNo plan	1,211	$3.18	$4k	2.0%	Form 4
Mar 18, 2025	David I. Sandoval GENERAL COUNSEL	SoldNo plan	353	$3.18	$1k	0.5%	Form 4
Mar 18, 2025	Douglas J Swirsky CHIEF FINANCIAL OFFICER	SoldNo plan	6,939	$3.18	$22k	5.8%	Form 4
Jan 27, 2025	John Joseph Johnston Director	Sold10b5-1 plan	3,000	$4.65	$14k	2.1%	Form 4
Jan 13, 2025	David I. Sandoval GENERAL COUNSEL	SoldNo plan	4,466	$4.54	$20k	9.7%	Form 4
Dec 26, 2024	John Joseph Johnston Director	Sold10b5-1 plan	3,000	$4.01	$12k	2.1%	Form 4
Dec 6, 2024 – Dec 9, 2024	John Joseph Johnston Director	Sold10b5-1 plan 2 parts	3,000	$3.77 average	$11k	2.1%	Form 4
Nov 1, 2024	Stanley C Erck Director	Sold10b5-1 plan	47,689	$3.72	$177k	15%	Form 4
Oct 28, 2024	John Joseph Johnston Director	Sold10b5-1 plan	3,000	$3.72	$11k	2.1%	Form 4

Mar 17No plan
Douglas J Swirsky
CHIEF FINANCIAL OFFICER · sold 10,142 at $0.82
$8k
6.3% of stake
Aug 13, 2025
Douglas J Swirsky
CHIEF FINANCIAL OFFICER · bought 50,000 at $1.29
$65k
45% of stake
Aug 13, 2025
Maher Masoud
President and CEO · bought 75,000 at $1.37
$103k
75% of stake
Aug 13, 2025
Stanley C Erck
Director · bought 100,000 at $1.37
$137k
34% of stake
Aug 13, 2025
Richard Douglas
Director · bought 80,000 at $1.39
$111k
53% of stake
Aug 13, 2025
William W Brooke
Director · bought 50,000 at $1.29
$65k
50% of stake
Jun 25, 202510b5-1 plan
Rekha Hemrajani
Director · sold 10,684 at $2.09
$22k
21% of stake
Mar 18, 2025No plan
Ali Soleymannezhad
Chief Commercial Officer · sold 1,211 at $3.18
$4k
2.0% of stake
Mar 18, 2025No plan
David I. Sandoval
GENERAL COUNSEL · sold 353 at $3.18
$1k
0.5% of stake
Mar 18, 2025No plan
Douglas J Swirsky
CHIEF FINANCIAL OFFICER · sold 6,939 at $3.18
$22k
5.8% of stake
Jan 27, 202510b5-1 plan
John Joseph Johnston
Director · sold 3,000 at $4.65
$14k
2.1% of stake
Jan 13, 2025No plan
David I. Sandoval
GENERAL COUNSEL · sold 4,466 at $4.54
$20k
9.7% of stake
Dec 26, 202410b5-1 plan
John Joseph Johnston
Director · sold 3,000 at $4.01
$12k
2.1% of stake
Dec 6, 2024 – Dec 9, 202410b5-1 plan
John Joseph Johnston
Director · sold 3,000 at avg $3.77
$11k
2.1% of stake
Nov 1, 202410b5-1 plan
Stanley C Erck
Director · sold 47,689 at $3.72
$177k
15% of stake
Oct 28, 202410b5-1 plan
John Joseph Johnston
Director · sold 3,000 at $3.72
$11k
2.1% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch MXCT, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

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Spot a number that looks wrong? Check it in MXCT's SEC filings or

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Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

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