Stanley C. Erck

CIK: 0001342826

Transaction Breakdown

Open Market Buys (P)1 (7.7%)

High conviction signal

Open Market Sales (S)5 (38.5%)

Position reduction

Option Exercises (M)5 (38.5%)

Derivative conversions

Awards (A)2 (15.4%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

MXCT

MAXCYTE, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (13 total)

MXCT
MAXCYTE, INC.
Jun 17, 2026
Award(A)
Direct
30.4K shares-
MXCT
MAXCYTE, INC.
Aug 13, 2025
Purchase(P)
Direct
100K shares at avg. $1.37$137K
MXCT
MAXCYTE, INC.
Jun 18, 2025
Award(A)
Direct
29.2K shares-
MXCT
MAXCYTE, INC.
Nov 1, 2024
Sale(S)
Direct
47.7K shares at avg. $3.72$177K
MXCT
MAXCYTE, INC.
Nov 1, 2024
Exercise(M)
Direct
47.7K shares at avg. $0.04$2K
MXCT
MAXCYTE, INC.
Oct 2, 2024
Exercise(M)
Direct
21.6K shares at avg. $0.04$864.28
MXCT
MAXCYTE, INC.
Oct 2, 2024
Sale(S)
Direct
21.6K shares at avg. $3.71$80K
MXCT
MAXCYTE, INC.
Oct 1, 2024
Exercise(M)
Direct
26.1K shares at avg. $0.04$1K
MXCT
MAXCYTE, INC.
Oct 1, 2024
Sale(S)
Direct
26.1K shares at avg. $3.78$99K
MXCT
MAXCYTE, INC.
Sep 4, 2024
Exercise(M)
Direct
29.8K shares at avg. $0.04$1K
MXCT
MAXCYTE, INC.
Sep 4, 2024
Sale(S)
Direct
29.8K shares at avg. $3.97$118K
MXCT
MAXCYTE, INC.
Sep 3, 2024
Exercise(M)
Direct
17.9K shares at avg. $0.04$716.88
MXCT
MAXCYTE, INC.
Sep 3, 2024
Sale(S)
Direct
17.9K shares at avg. $4.10$73K

		Type	Shares	Price		Ownership
Jun 17, 2026	MXCT MAXCYTE, INC.	Award(A)	30,421	-	$0	Direct
Aug 13, 2025	MXCT MAXCYTE, INC.	Purchase(P)	100,000	$1.37	$137,220	Direct
Jun 18, 2025	MXCT MAXCYTE, INC.	Award(A)	29,210	-	-	Direct
Nov 1, 2024	MXCT MAXCYTE, INC.	Sale(S)	47,689	$3.72	$177,403	Direct
Nov 1, 2024	MXCT MAXCYTE, INC.	Exercise(M)	47,689	$0.04	$1,908	Direct
Oct 2, 2024	MXCT MAXCYTE, INC.	Exercise(M)	21,607	$0.04	$864	Direct
Oct 2, 2024	MXCT MAXCYTE, INC.	Sale(S)	21,607	$3.71	$80,162	Direct
Oct 1, 2024	MXCT MAXCYTE, INC.	Exercise(M)	26,082	$0.04	$1,043	Direct
Oct 1, 2024	MXCT MAXCYTE, INC.	Sale(S)	26,082	$3.78	$98,590	Direct
Sep 4, 2024	MXCT MAXCYTE, INC.	Exercise(M)	29,767	$0.04	$1,191	Direct
Sep 4, 2024	MXCT MAXCYTE, INC.	Sale(S)	29,767	$3.97	$118,175	Direct
Sep 3, 2024	MXCT MAXCYTE, INC.	Exercise(M)	17,922	$0.04	$717	Direct
Sep 3, 2024	MXCT MAXCYTE, INC.	Sale(S)	17,922	$4.10	$73,480	Direct

1-13 of 13 transactions

About Erck Stanley C

Erck Stanley C (SEC CIK 0001342826) files insider reports with the SEC as Director of MAXCYTE, INC. (MXCT).

Signal8 holds 6 ownership filings by Erck Stanley C, all Form 4s, filed between Sep 5, 2024 and Jun 22, 2026. Those filings report 13 transactions, from Sep 3, 2024 to Jun 17, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Erck Stanley C's filings is in ROCKVILLE, MD.

Recent filings by Erck Stanley C

Jun 17, 2026: Grant or award of MXCT shares (Form 4, code A).
Aug 13, 2025: Open-market purchase of MXCT shares (Form 4, code P).
Jun 18, 2025: Grant or award of MXCT shares (Form 4, code A).
Nov 1, 2024: Open-market sale of MXCT shares (Form 4, code S).
Nov 1, 2024: Option exercise of MXCT shares (Form 4, code M).

Other insiders filing for MAXCYTE, INC. (MXCT)

How to read Form 4 transaction codes