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Nasdaq · CIK 0001287098

MXCT MAXCYTE, INC.

Insider trading from SEC Form 4. Last filing Aug 27, 2025. Close $1.01 on Oct 9, 2026, +49% from the 52-week low and -45% from the high.

Last 90 days

Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
10
with a Form 4 at this company

Price and insider trades, last year

MXCTOct 9, 2026 · close 1.01

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at MAXCYTE, INC., scored.

ScoreInsiderValueHoldingsPrice contextFiled
0WeakRekha Hemrajani
director
sell
$22k
10,684 shares
-21%+9% from low-56% from high
62NotableWilliam W Brooke
director
buy
$65k
50,000 shares
+50%+9% from low-73% from high
68NotableRichard Douglas
director
buy
$111k
80,000 shares
+53%+9% from low-73% from high
65NotableStanley C Erck
director
buy
$137k
100,000 shares
+34%+9% from low-73% from high
78NotableMaher Masoud
President and CEO
buy
$103k
75,000 shares
+75%+9% from low-73% from high
69NotableDouglas J Swirsky
CHIEF FINANCIAL OFFICER
buy
$65k
50,000 shares
+45%+9% from low-73% from high
0WeakJohn Joseph Johnston
director
sell
$14k
3,000 shares
-2%-
0WeakJohn Joseph Johnston
director
sell
$12k
3,000 shares
-2%-
0WeakJohn Joseph Johnston
director
sell
$11k
3,000 shares
-2%-
5WeakStanley C Erck
director
sell
$177k
47,689 shares
-15%-
0WeakJohn Joseph Johnston
director
sell
$11k
3,000 shares
-2%-

Transactions

The last 46 rows filed, every code.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Jun 25, 2025Rekha Hemrajani
director
SOpen-market sale
Common Stock10b5-1
-10,684$2.09$22k39,893Aug 27, 2025
Aug 13, 2025Richard Douglas
director
POpen-market purchase
Common Stock
+80,000$1.39$111k230,577Aug 13, 2025
Aug 13, 2025William W Brooke
director
POpen-market purchase
Common Stock
+50,000$1.29$65k150,879Aug 13, 2025
Aug 13, 2025Douglas J Swirsky
CHIEF FINANCIAL OFFICER
POpen-market purchase
Common Stock
+50,000$1.29$65k161,811Aug 13, 2025
Aug 13, 2025Stanley C Erck
director
POpen-market purchase
Common Stock
+100,000$1.37$137k398,328Aug 13, 2025
Aug 13, 2025Maher Masoud
President and CEO
POpen-market purchase
Common Stock
+75,000$1.37$103k175,000Aug 13, 2025
Jun 18, 2025Richard Douglas
director
AGrant or award
Common Stock
+29,210$0.00$0150,577Jun 23, 2025
Jun 18, 2025John Joseph Johnston
director
AGrant or award
Common Stock
+29,210$0.00$0171,160Jun 23, 2025
Jun 18, 2025Rekha Hemrajani
director
AGrant or award
Common Stock
+29,210$0.00$050,577Jun 23, 2025
Jun 18, 2025Stanley C Erck
director
AGrant or award
Common Stock
+29,210$0.00$0298,328Jun 23, 2025
Jun 18, 2025Cynthia Collins
director
AGrant or award
Common Stock
+29,210$0.00$080,889Jun 23, 2025
Jun 18, 2025William W Brooke
director
AGrant or award
Common Stock
+29,210$0.00$0100,879Jun 23, 2025
Jun 18, 2025Patrick J Balthrop
director
AGrant or award
Common Stock
+29,210$0.00$050,577Jun 23, 2025
Jun 18, 2025Yasir B. Al-Wakeel
director
AGrant or award
Common Stock
+29,210$0.00$050,577Jun 23, 2025
Jun 18, 2025William W Brooke
director
AGrant or award
Stock Option (right to buy)derivative
+50,790$0.00$050,790Jun 23, 2025
Jun 18, 2025Cynthia Collins
director
AGrant or award
Stock Option (right to buy)derivative
+50,790$0.00$050,790Jun 23, 2025
Jun 18, 2025Patrick J Balthrop
director
AGrant or award
Stock Option (right to buy)derivative
+50,790$0.00$050,790Jun 23, 2025
Jun 18, 2025Richard Douglas
director
AGrant or award
Stock Option (right to buy)derivative
+50,790$0.00$050,790Jun 23, 2025
Jun 18, 2025Stanley C Erck
director
AGrant or award
Stock Option (right to buy)derivative
+50,790$0.00$050,790Jun 23, 2025
Jun 18, 2025Yasir B. Al-Wakeel
director
AGrant or award
Stock Option (right to buy)derivative
+50,790$0.00$050,790Jun 23, 2025
Jun 18, 2025Rekha Hemrajani
director
AGrant or award
Stock Option (right to buy)derivative
+50,790$0.00$050,790Jun 23, 2025
Jun 18, 2025John Joseph Johnston
director
AGrant or award
Stock Option (right to buy)derivative
+50,790$0.00$050,790Jun 23, 2025
Jan 27, 2025John Joseph Johnston
director
MOption exercise
Common Stock10b5-1
+3,000$2.93$8,796144,950Jan 29, 2025
Jan 27, 2025John Joseph Johnston
director
SOpen-market sale
Common Stock10b5-1
-3,000$4.65$14k141,950Jan 29, 2025
Jan 27, 2025John Joseph Johnston
director
MOption exercise
Stock Option (right to buy)derivative10b5-1
-3,000$0.00$017,417Jan 29, 2025
Dec 26, 2024John Joseph Johnston
director
MOption exercise
Common Stock10b5-1
+3,000$2.93$8,796144,950Dec 30, 2024
Dec 26, 2024John Joseph Johnston
director
SOpen-market sale
Common Stock10b5-1
-3,000$4.01$12k141,950Dec 30, 2024
Dec 26, 2024John Joseph Johnston
director
MOption exercise
Stock Option (right to buy)derivative10b5-1
-3,000$0.00$020,417Dec 30, 2024
Dec 6, 2024John Joseph Johnston
director
MOption exercise
Common Stock10b5-1
+505$2.93$1,478142,455Dec 10, 2024
Dec 6, 2024John Joseph Johnston
director
SOpen-market sale
Common Stock10b5-1
-505$3.70$1,869141,950Dec 10, 2024
Dec 9, 2024John Joseph Johnston
director
MOption exercise
Common Stock10b5-1
+891$2.93$2,607142,841Dec 10, 2024
Dec 9, 2024John Joseph Johnston
director
MOption exercise
Common Stock10b5-1
+1,121$1.64$1,840143,962Dec 10, 2024
Dec 9, 2024John Joseph Johnston
director
MOption exercise
Common Stock10b5-1
+483$2.93$1,416144,445Dec 10, 2024
Dec 9, 2024John Joseph Johnston
director
SOpen-market sale
Common Stock10b5-1
-2,495$3.79$9,459141,950Dec 10, 2024
Dec 6, 2024John Joseph Johnston
director
MOption exercise
Stock Option (right to buy)derivative10b5-1
-505$0.00$0891Dec 10, 2024
Dec 9, 2024John Joseph Johnston
director
MOption exercise
Stock Option (right to buy)derivative10b5-1
-891$0.00$00Dec 10, 2024
Dec 9, 2024John Joseph Johnston
director
MOption exercise
Stock Option (right to buy)derivative10b5-1
-1,121$0.00$00Dec 10, 2024
Dec 9, 2024John Joseph Johnston
director
MOption exercise
Stock Option (right to buy)derivative10b5-1
-483$0.00$023,417Dec 10, 2024
Nov 1, 2024Stanley C Erck
director
MOption exercise
Common Stock10b5-1
+47,689$0.04$1,908316,807Nov 5, 2024
Nov 1, 2024Stanley C Erck
director
SOpen-market sale
Common Stock10b5-1
-47,689$3.72$177k269,118Nov 5, 2024
Nov 1, 2024Stanley C Erck
director
MOption exercise
Employee Stock Option (right to buy)derivative10b5-1
-47,689$0.00$00Nov 5, 2024
Oct 28, 2024John Joseph Johnston
director
MOption exercise
Common Stock10b5-1
+3,000$2.93$8,778144,950Oct 30, 2024
Oct 28, 2024John Joseph Johnston
director
SOpen-market sale
Common Stock10b5-1
-3,000$3.72$11k141,950Oct 30, 2024
Oct 28, 2024John Joseph Johnston
director
MOption exercise
Stock Option (right to buy)derivative10b5-1
-3,000$0.00$01,396Oct 30, 2024
Oct 14, 2024Cynthia Collins
director
AGrant or award
Common Stock
+51,679$0.00$051,679Oct 16, 2024
Oct 14, 2024Cynthia Collins
director
AGrant or award
Stock Option (right to buy)derivative
+97,698$0.00$097,698Oct 16, 2024

Insiders

Everyone who has filed a Form 4 here.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

MXCT insider trading: MAXCYTE, INC. | InsiderTell