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Transaction Types Key To InsiderInsights' Infobase
 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
MAXCYTE INC: MXCT
Price: 9/12/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$1.45 $5.20 $1.26 $155 107 789 0.0% 3.1% 75.41% 1.77%
Exch Sector Industry Sub-Industry
NasdaqGS Services Engineering, Accounting, Research, Management, And Related Services Services- Commercial Physical & Biological Research
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
JOHNSTON JOHN JOSEPH
DIR
OS
$39,900
10,000
---
6/27/24
---
$3.99
141,950
-6.6
D
10b
7/1/24 - 5:18:21 pm
2
    
 
JOHNSTON JOHN JOSEPH
DIR
OE
$22,778
10,000
---
6/27/24
$1.64
$2.93
151,950
7.0
D
10b
7/1/24 - 5:18:21 pm
3
    
 
ROSS THOMAS M
VP,SO
OS
$136,465
33,333
---
6/20/24
---
$4.09
25,000
-57.1
D
10b
6/24/24 - 4:17:52 pm
4
    
 
ROSS THOMAS M
VP,SO
OE
$54,699
33,333
---
6/20/24
---
$1.64
58,333
133.3
D
10b
6/24/24 - 4:17:52 pm
5
    
 
MANDELL ART
DIR
JB
---
21,367
---
6/11/24
---
---
395,851
5.7
D
R
6/13/24 - 5:41:06 pm
6
    
 
DOUGLAS RICHARD
DIR
JB
---
21,367
---
6/11/24
---
---
121,367
21.4
D
R
6/13/24 - 5:39:41 pm
7
    
 
HEMRAJANI REKHA
DIR
JB
---
21,367
---
6/11/24
---
---
21,367
New
D
R
6/13/24 - 5:38:12 pm
8
    
 
ERCK STANLEY C
DIR
JB
---
21,367
---
6/11/24
---
---
269,118
8.6
D
R
6/13/24 - 5:37:03 pm
9
    
 
AL WAKEEL YASIR B
DIR
JB
---
21,367
---
6/11/24
---
---
21,367
New
D
R
6/13/24 - 5:32:54 pm
10
    
 
JOHNSTON JOHN JOSEPH
DIR
JB
---
21,367
---
6/11/24
---
---
141,950
17.7
D
R
6/13/24 - 5:31:42 pm
11
    
 
BALTHROP PATRICK J
DIR
JB
---
21,367
---
6/11/24
---
---
21,367
New
D
R
6/13/24 - 5:30:16 pm
12
    
 
BROOKE WILLIAM W
DIR
JB
---
21,367
---
6/11/24
---
---
71,669
42.5
D
R
6/13/24 - 5:27:21 pm
13
    
 
MASOUD MAHER
PR,CEO,DIR
B
$489,066
100,000
6/7/24
6/10/24
$4.87
$4.90
100,000
New
D
---
6/10/24 - 5:55:54 pm
14
    
 
JOHNSTON JOHN JOSEPH
DIR
OS
$22,025
5,000
---
3/26/24
---
$4.41
120,583
-4.0
D
10b
3/28/24 - 4:31:05 pm
15
    
 
JOHNSTON JOHN JOSEPH
DIR
OE
$10,710
5,000
---
3/26/24
---
$2.14
125,583
4.1
D
10b
3/28/24 - 4:31:05 pm
16
    
 
ROSS THOMAS M
VP,SO
JB
---
25,000
---
3/15/24
---
---
25,000
New
D
R
3/19/24 - 6:21:40 pm
17
    
 
SANDOVAL DAVID I
GC
JB
---
3,913
---
3/15/24
---
---
45,913
9.3
D
R
3/19/24 - 6:20:17 pm
18
    
 
SWIRSKY DOUGLAS J
CFO
JB
---
81,250
---
3/15/24
---
---
81,250
New
D
R
3/19/24 - 6:18:37 pm
19
    
 
JOHNSTON JOHN JOSEPH
DIR
OS
$23,005
5,000
---
2/26/24
---
$4.60
120,583
-4.0
D
10b
2/28/24 - 4:30:19 pm
20
    
 
JOHNSTON JOHN JOSEPH
DIR
OE
$10,710
5,000
---
2/26/24
---
$2.14
125,583
4.1
D
10b
2/28/24 - 4:30:19 pm
21
    
 
SANDOVAL DAVID I
GC
3
---
---
---
2/22/24
---
---
42,000
---
D
R
3/4/24 - 5:39:39 pm
22
    
 
JOHNSTON JOHN JOSEPH
DIR
OS
$25,585
5,000
---
1/26/24
---
$5.12
120,583
-4.0
D
10b
1/30/24 - 4:30:13 pm
23
    
 
JOHNSTON JOHN JOSEPH
DIR
OE
$10,710
5,000
---
1/26/24
---
$2.14
125,583
4.1
D
10b
1/30/24 - 4:30:13 pm
24
    
 
JOHNSTON JOHN JOSEPH
DIR
OS
$22,650
5,000
---
12/26/23
---
$4.53
120,583
-4.0
D
10b
12/28/23 - 4:30:21 pm
25
    
 
JOHNSTON JOHN JOSEPH
DIR
OE
$10,710
5,000
---
12/26/23
---
$2.14
125,583
4.1
D
10b
12/28/23 - 4:30:21 pm
26
    
 
DOERFLER DOUGLAS
PR,CEO,DIR
AS
$639,405
124,450
12/4/23
12/5/23
$5.01
$5.17
333,197
-27.2
D
10b
12/6/23 - 4:15:49 pm
27
    
 
DOERFLER DOUGLAS
PR,CEO,DIR
OE
$4,978
124,450
12/4/23
12/5/23
---
$0.04
432,639
40.4
D
10b
12/6/23 - 4:15:49 pm
28
    
 
JOHNSTON JOHN JOSEPH
DIR
OS
$22,950
5,000
---
11/27/23
---
$4.59
120,583
-4.0
D
10b
11/29/23 - 4:36:49 pm
29
    
 
JOHNSTON JOHN JOSEPH
DIR
OE
$10,710
5,000
---
11/27/23
---
$2.14
125,583
4.1
D
10b
11/29/23 - 4:36:49 pm
30
    
 
JOHNSTON JOHN JOSEPH
DIR
OS
$37,100
10,000
---
11/14/23
---
$3.71
120,583
-7.7
D
10b
11/16/23 - 4:48:05 pm
31
    
 
JOHNSTON JOHN JOSEPH
DIR
OE
$17,053
10,000
---
11/14/23
$1.64
$2.14
130,583
8.3
D
10b
11/16/23 - 4:48:05 pm
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