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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
MACROGENICS INC: MGNX
Price: 3/13/26 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
$3.00 $3.54 $0.99 $191 64 1,392 0.0% 8.0% 64.58% 3.06%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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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
    
 
BONVINI EZIO
VP
JS
$11,000
6,433
---
2/15/26
---
$1.71
145,799
-4.2
D
R
2/17/26 - 6:27:13 pm
2
    
 
BONVINI EZIO
VP
JB
---
16,665
---
2/15/26
---
---
152,232
12.3
D
R
2/17/26 - 6:27:13 pm
3
    
 
SMITH BETH ANN
VP,CT,TR
JS
$723
423
---
2/15/26
---
$1.71
12,781
-3.2
D
R
2/17/26 - 6:26:26 pm
4
    
 
SMITH BETH ANN
VP,CT,TR
JB
---
1,095
---
2/15/26
---
---
13,204
9.0
D
R
2/17/26 - 6:26:26 pm
5
    
 
KARRELS JAMES
VP,CFO
JS
$9,901
5,790
---
2/15/26
---
$1.71
206,037
-2.7
D
R
2/17/26 - 6:25:50 pm
6
    
 
KARRELS JAMES
VP,CFO
JB
---
14,999
---
2/15/26
---
---
211,827
7.6
D
R
2/17/26 - 6:25:50 pm
7
    
 
PETERS JEFFREY STUART
VP,GC,SEC
JS
$8,801
5,147
---
2/15/26
---
$1.71
31,105
-14.2
D
R
2/17/26 - 6:25:13 pm
8
    
 
PETERS JEFFREY STUART
VP,GC,SEC
JB
---
13,332
---
2/15/26
---
---
36,252
58.2
D
R
2/17/26 - 6:25:13 pm
9
    
 
SPITZNAGEL THOMAS
VP,TO,OO
JS
$9,439
5,520
---
2/15/26
---
$1.71
38,543
-12.5
D
R
2/17/26 - 6:24:23 pm
10
    
 
SPITZNAGEL THOMAS
VP,TO,OO
JB
---
13,332
---
2/15/26
---
---
44,063
43.4
D
R
2/17/26 - 6:24:23 pm
11
    
 
RISSER ERIC BLASIUS
PR,CEO,DIR
JS
$11,000
6,433
---
2/15/26
---
$1.71
77,169
-7.7
D
R
2/17/26 - 6:23:49 pm
12
    
 
RISSER ERIC BLASIUS
PR,CEO,DIR
JB
---
16,665
---
2/15/26
---
---
83,602
24.9
D
R
2/17/26 - 6:23:49 pm
13
    
 
KOENIG SCOTT
DIR
JB
---
21,165
---
2/15/26
---
---
867,240
2.5
D
R
2/17/26 - 6:22:16 pm
14
    
 
KOENIG SCOTT
DIR
JB
---
15,831
---
2/8/26
---
---
846,075
1.9
D
R
2/10/26 - 6:17:18 pm
15
    
 
SPITZNAGEL THOMAS
VP,TO,OO
JS
$10,265
5,671
2/7/26
2/8/26
---
$1.81
24,918
-18.5
D
R
2/10/26 - 6:16:44 pm
16
    
 
SPITZNAGEL THOMAS
VP,TO,OO
JB
---
15,000
2/7/26
2/8/26
---
---
33,917
79.3
D
R
2/10/26 - 6:16:44 pm
17
    
 
SMITH BETH ANN
VP,CT,TR
JS
$2,938
1,623
2/7/26
2/8/26
---
$1.81
11,138
-12.7
D
R
2/10/26 - 6:16:09 pm
18
    
 
SMITH BETH ANN
VP,CT,TR
JB
---
4,200
2/7/26
2/8/26
---
---
12,721
49.3
D
R
2/10/26 - 6:16:09 pm
19
    
 
RISSER ERIC BLASIUS
PR,CEO,DIR
JS
$12,464
6,886
2/7/26
2/8/26
---
$1.81
60,082
-10.3
D
R
2/10/26 - 6:15:38 pm
20
    
 
RISSER ERIC BLASIUS
PR,CEO,DIR
JB
---
17,834
2/7/26
2/8/26
---
---
71,248
33.4
D
R
2/10/26 - 6:15:38 pm
21
    
 
PETERS JEFFREY STUART
VP,GC,SEC
JS
$10,482
5,791
2/7/26
2/8/26
---
$1.81
17,395
-25.0
D
R
2/10/26 - 6:15:01 pm
22
    
 
PETERS JEFFREY STUART
VP,GC,SEC
JB
---
15,000
2/7/26
2/8/26
---
---
26,394
131.6
D
R
2/10/26 - 6:15:01 pm
23
    
 
KARRELS JAMES
VP,CFO
JS
$11,414
6,306
2/7/26
2/8/26
---
$1.81
190,689
-3.2
D
R
2/10/26 - 6:14:25 pm
24
    
 
KARRELS JAMES
VP,CFO
JB
---
16,333
2/7/26
2/8/26
---
---
200,688
8.9
D
R
2/10/26 - 6:14:25 pm
25
    
 
BONVINI EZIO
VP
JS
$12,695
7,014
2/7/26
2/8/26
---
$1.81
128,712
-5.2
D
R
2/10/26 - 6:13:41 pm
26
    
 
BONVINI EZIO
VP
JB
---
18,167
2/7/26
2/8/26
---
---
139,878
14.9
D
R
2/10/26 - 6:13:41 pm
27
6m
1
100%
20%
3
HEIDEN WILLIAM K
DIR
B
$150,515
100,000
8/19/25
8/20/25
---
$1.49
111,000
909.1
D
---
8/21/25 - 4:19:48 pm
28
    
 
KOENIG SCOTT
DIR
JB
---
52,829
---
8/13/25
---
---
830,244
6.8
D
R
8/15/25 - 5:05:12 pm
29
    
 
O BRIEN FEDERICA F
DIR
JB
---
6,500
---
5/20/25
---
---
11,000
144.4
D
R
5/22/25 - 4:03:13 pm
30
    
 
JACKSON SCOTT THOMAS
DIR
JB
---
6,500
---
5/20/25
---
---
11,000
144.4
D
R
5/22/25 - 4:03:01 pm
31
    
 
HEIDEN WILLIAM K
DIR
JB
---
6,500
---
5/20/25
---
---
11,000
144.4
D
R
5/22/25 - 4:02:48 pm
32
    
 
STUMP DAVID C
DIR
JB
---
6,500
---
5/20/25
---
---
11,000
144.4
D
R
5/22/25 - 4:02:36 pm
33
    
 
FERRANTE KAREN JEAN
DIR
JB
---
6,500
---
5/20/25
---
---
11,000
144.4
D
R
5/22/25 - 4:02:23 pm
34
    
 
LIU MARGARET
DIR
JB
---
6,500
---
5/20/25
---
---
11,000
144.4
D
R
5/22/25 - 4:02:12 pm
35
    
 
HURWITZ EDWARD
DIR
JB
---
6,500
---
5/20/25
---
---
44,074
17.3
D
R
5/22/25 - 4:01:57 pm
36
    
 
CHHABRA MEENU
DIR
JB
---
6,500
---
5/20/25
---
---
11,000
144.4
D
R
5/22/25 - 4:01:44 pm
37
    
 
SIEGEL JAY PHILIP
DIR
JB
---
6,500
---
5/20/25
---
---
11,000
144.4
D
R
5/22/25 - 4:01:31 pm
38
    
 
BONVINI EZIO
VP
JB
---
16,665
---
2/15/25
---
---
124,414
15.5
D
R
2/19/25 - 4:31:12 pm
39
    
 
KARRELS JAMES
VP,CFO,SEC
JS
$14,822
5,790
---
2/15/25
---
$2.56
186,801
-3.0
D
R
2/19/25 - 4:29:59 pm
40
    
 
KARRELS JAMES
VP,CFO,SEC
JB
---
14,998
---
2/15/25
---
---
192,591
8.4
D
R
2/19/25 - 4:29:59 pm
41
    
 
KOENIG SCOTT
PR,CEO,DIR
JB
---
42,329
---
2/15/25
---
---
777,415
5.8
D
R
2/19/25 - 4:28:50 pm
42
    
 
PETERS JEFFREY STUART
VP,GC
JS
$13,176
5,147
---
2/15/25
---
$2.56
13,711
-27.3
D
R
2/19/25 - 4:25:47 pm
43
    
 
PETERS JEFFREY STUART
VP,GC
JB
---
13,332
---
2/15/25
---
---
18,858
241.3
D
R
2/19/25 - 4:25:47 pm
44
    
 
RISSER ERIC BLASIUS
COO
JS
$16,468
6,433
---
2/15/25
---
$2.56
55,989
-10.3
D
R
2/19/25 - 4:24:26 pm
45
    
 
RISSER ERIC BLASIUS
COO
JB
---
16,665
---
2/15/25
---
---
62,422
36.4
D
R
2/19/25 - 4:24:26 pm
46
    
 
SMITH BETH ANN
VP,CT,TR
JS*
$1,083
423
---
2/15/25
---
$2.56
9,532
-4.2
D
R
2/19/25 - 4:23:17 pm
47
    
 
SMITH BETH ANN
VP,CT,TR
JB
---
1,095
---
2/15/25
---
---
9,955
12.4
D
R
2/19/25 - 4:23:17 pm
48
    
 
SPITZNAGEL THOMAS
VP,TO,OO
JS
$14,131
5,520
---
2/15/25
---
$2.56
21,402
-20.5
D
R
2/19/25 - 4:22:09 pm
49
    
 
SPITZNAGEL THOMAS
VP,TO,OO
JB
---
13,332
---
2/15/25
---
---
26,922
98.1
D
R
2/19/25 - 4:22:09 pm
50
    
 
ECK STEPHEN L
O
JS
$12,652
4,942
---
2/15/25
---
$2.56
29,377
-14.4
D
R
2/19/25 - 4:20:46 pm
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