Stanley C Erck Maxcyte, Inc. (MXCT) insider trading activity

Stanley C Erck is of MAXCYTE, INC.. Currently has a direct ownership of 398,328 shares of MXCT, which is worth approximately $505,876. The most recent transaction as insider was on Aug 13, 2025, when has been sold 100,000 shares (Common Stock) at a price of $1.37 per share, resulting in proceeds of $137,000. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 398K

48.01% 3M change

48.01% 12M change

Total Value Held $505,876

Stanley C Erck Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Aug 13 2025	BUY Open market or private purchase	$137,000 $1.37 p/Share	100,000 Added 20.07%	398,328 Common Stock
Jun 18 2025	BUY Grant, award, or other acquisition	-	29,210 Added 8.92%	298,328 Common Stock
Nov 01 2024	SELL Open market or private sale	$177,403 $3.72 p/Share	47,689 Reduced 15.05%	269,118 Common Stock
Nov 01 2024	BUY Exercise of conversion of derivative security	$1,907 $0.04 p/Share	47,689 Added 13.08%	316,807 Common Stock
Oct 02 2024	SELL Open market or private sale	$80,161 $3.71 p/Share	21,607 Reduced 7.43%	269,118 Common Stock
Oct 02 2024	BUY Exercise of conversion of derivative security	$864 $0.04 p/Share	21,607 Added 6.92%	290,725 Common Stock
Oct 01 2024	SELL Open market or private sale	$98,589 $3.78 p/Share	26,082 Reduced 8.84%	269,118 Common Stock
Oct 01 2024	BUY Exercise of conversion of derivative security	$1,043 $0.04 p/Share	26,082 Added 8.12%	295,200 Common Stock
Sep 04 2024	SELL Open market or private sale	$118,174 $3.97 p/Share	29,767 Reduced 9.96%	269,118 Common Stock
Sep 04 2024	BUY Exercise of conversion of derivative security	$1,190 $0.04 p/Share	29,767 Added 9.06%	298,885 Common Stock
Sep 03 2024	SELL Open market or private sale	$73,480 $4.1 p/Share	17,922 Reduced 6.24%	269,118 Common Stock
Sep 03 2024	BUY Exercise of conversion of derivative security	$716 $0.04 p/Share	17,922 Added 5.88%	287,040 Common Stock
Jun 11 2024	BUY Grant, award, or other acquisition	-	21,367 Added 7.36%	269,118 Common Stock

Also insider at

NVAX

NOVAVAX INC Healthcare

President and CEO

SCE

Stanley C Erck

Gaithersburg, MD

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