Johnston John Joseph
SEC insider (Form 3/4/5 filer). CIK 0001874850. Director at MAXCYTE, INC. (MXCT). 16 reported Form 4/5 transactions since Sep 2024; latest on Jun 17, 2026. Located in ROCKVILLE, MD.
Companies Johnston John Joseph has filed insider reports for
- MAXCYTE, INC. (MXCT): Director
Johnston John Joseph
CIK: 0001874850
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)6 (37.5%)
Position reduction
Option Exercises (M)8 (50.0%)
Derivative conversions
Awards (A)2 (12.5%)
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 (16 total)
- Jun 17, 2026MXCT
MAXCYTE, INC.
AwardDirect30.4K shares- - Jun 18, 2025MXCT
MAXCYTE, INC.
AwardDirect29.2K shares- - Jan 27, 2025MXCT
MAXCYTE, INC.
SaleDirect3K shares at avg. $4.64$14K - Jan 27, 2025MXCT
MAXCYTE, INC.
ExerciseDirect3K shares at avg. $2.93$9K - Dec 26, 2024MXCT
MAXCYTE, INC.
ExerciseDirect3K shares at avg. $2.93$9K - Dec 26, 2024MXCT
MAXCYTE, INC.
SaleDirect3K shares at avg. $4.01$12K - Dec 9, 2024MXCT
MAXCYTE, INC.
ExerciseDirect483 shares at avg. $2.93$1K - Dec 9, 2024MXCT
MAXCYTE, INC.
SaleDirect2.5K shares at avg. $3.79$9K - Dec 9, 2024MXCT
MAXCYTE, INC.
ExerciseDirect891 shares at avg. $2.93$3K - Dec 9, 2024MXCT
MAXCYTE, INC.
ExerciseDirect1.1K shares at avg. $1.64$2K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 17, 2026 | MXCT MAXCYTE, INC. | Award | 30,421 | - | $0 | Direct |
| Jun 18, 2025 | MXCT MAXCYTE, INC. | Award | 29,210 | - | - | Direct |
| Jan 27, 2025 | MXCT MAXCYTE, INC. | Sale | 3,000 | $4.64 | $13,935 | Direct |
| Jan 27, 2025 | MXCT MAXCYTE, INC. | Exercise | 3,000 | $2.93 | $8,796 | Direct |
| Dec 26, 2024 | MXCT MAXCYTE, INC. | Exercise | 3,000 | $2.93 | $8,796 | Direct |
| Dec 26, 2024 | MXCT MAXCYTE, INC. | Sale | 3,000 | $4.01 | $12,021 | Direct |
| Dec 9, 2024 | MXCT MAXCYTE, INC. | Exercise | 483 | $2.93 | $1,416 | Direct |
| Dec 9, 2024 | MXCT MAXCYTE, INC. | Sale | 2,495 | $3.79 | $9,459 | Direct |
| Dec 9, 2024 | MXCT MAXCYTE, INC. | Exercise | 891 | $2.93 | $2,607 | Direct |
| Dec 9, 2024 | MXCT MAXCYTE, INC. | Exercise | 1,121 | $1.64 | $1,840 | Direct |
1-10 of 16 transactions