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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:
AMERICAN SUPERCONDUCTOR CORP DE: AMSC
Price: 6/27/25 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
$36.44 $38.02 $13.98 $1,590 44 924 0.0% 6.5% 64.50% 4.32%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Electronic And Other Electrical Equipment And Components, Except Computer Equipment Motors & Generators
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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
1y
9
56%
16%
1
MCGAHN DANIEL P
CB,PR,CEO,DIR
AS
$366,242
12,815
---
6/11/25
$28.56
$29.09
1,283,982
-1.0
D
R,10b
6/12/25 - 4:22:17 pm
2
1y
14
64%
13%
1
KOSIBA JOHN W JR
VP,CFO,TR
AS
$189,778
6,642
---
6/11/25
$28.55
$29.08
402,890
-1.6
D
R,10b
6/12/25 - 4:19:57 pm
3
1y
14
64%
13%
1
KOSIBA JOHN W JR
VP,CFO,TR
AS
$151,012
4,744
---
6/6/25
---
$31.83
409,532
-1.1
D
R,10b
6/9/25 - 4:57:39 pm
4
1y
9
56%
16%
1
MCGAHN DANIEL P
CB,PR,CEO,DIR
AS
$244,670
7,689
---
6/6/25
---
$31.82
1,296,797
-0.6
D
R,10b
6/9/25 - 4:53:48 pm
5
1y
9
56%
16%
1
MCGAHN DANIEL P
CB,PR,CEO,DIR
AS
$3,236,835
122,655
---
5/27/25
$25.55
$26.60
1,304,486
-8.6
D
10b
5/29/25 - 5:31:39 pm
6
1y
14
64%
13%
1
KOSIBA JOHN W JR
VP,CFO,TR
AS
$1,319,757
50,000
---
5/27/25
$25.55
$26.61
414,276
-10.8
D
10b
5/29/25 - 5:22:41 pm
7
    
 
DONNELLY TERENCE ROBERT
DIR
3
---
---
---
5/27/25
---
---
---
---
---
---
5/29/25 - 5:09:39 pm
8
1y
14
64%
13%
1
KOSIBA JOHN W JR
VP,CFO,TR
AS
$290,530
11,860
---
5/20/25
---
$24.50
464,276
-2.5
D
R,10b
5/22/25 - 4:47:22 pm
9
1y
9
56%
16%
1
MCGAHN DANIEL P
CB,PR,CEO,DIR
AS
$313,878
12,815
---
5/20/25
---
$24.49
1,427,141
-0.9
D
R,10b
5/22/25 - 4:41:20 pm
10
    
 
KOSIBA JOHN W JR
VP,CFO,TR
JB
---
120,000
---
5/15/25
---
---
476,136
33.7
D
R
5/19/25 - 4:43:58 pm
11
    
 
MCGAHN DANIEL P
CB,PR,CEO,DIR
JB
---
240,000
---
5/15/25
---
---
1,439,956
20.0
D
R
5/19/25 - 4:42:47 pm
12
    
 
OLIVER DAVID R JR
DIR
JB
---
2,639
---
4/3/25
---
---
60,707
4.5
D
---
4/4/25 - 4:36:46 pm
13
    
 
LITTLEFIELD BARBARA G
DIR
JB
---
2,639
---
4/3/25
---
---
32,311
8.9
D
---
4/4/25 - 4:34:56 pm
14
    
 
KLEIN MARGARET D
DIR
JB
---
2,639
---
4/3/25
---
---
15,876
19.9
D
---
4/4/25 - 4:32:52 pm
15
    
 
HOUSE ARTHUR H
DIR
JB
---
2,639
---
4/3/25
---
---
48,663
5.7
D
---
4/4/25 - 4:30:56 pm
16
    
 
DAMBIER LAURA A
DIR
JB
---
2,639
---
4/3/25
---
---
15,876
19.9
D
---
4/4/25 - 4:29:06 pm
17
1y
14
64%
13%
1
KOSIBA JOHN W JR
VP,CFO,TR
S
$1,414,095
50,000
---
11/4/24
---
$28.28
356,136
-12.3
D
---
11/6/24 - 4:38:49 pm
18
    
 
MCGAHN DANIEL P
CB,PR,CEO,DIR
JB
---
180,000
---
9/30/24
---
---
1,199,956
17.6
D
R
10/1/24 - 4:37:24 pm
19
1y
9
56%
16%
1
MCGAHN DANIEL P
CB,PR,CEO,DIR
AS
$806,046
37,165
---
6/11/24
---
$21.69
1,019,956
-3.5
D
R,10b
6/12/24 - 9:09:47 am
20
1y
14
64%
13%
1
KOSIBA JOHN W JR
VP,CFO,TR
AS
$693,750
32,000
---
6/11/24
---
$21.68
316,136
-9.2
D
10b
6/12/24 - 9:08:23 am
21
1y
14
64%
13%
1
KOSIBA JOHN W JR
VP,CFO,TR
AS
$429,814
29,000
---
5/21/24
$14.78
$15.30
348,136
-7.7
D
10b
5/23/24 - 4:33:24 pm
22
1y
9
56%
16%
1
MCGAHN DANIEL P
CB,PR,CEO,DIR
AS
$304,741
20,559
---
5/21/24
$14.78
$15.30
1,057,121
-1.9
D
R,10b
5/23/24 - 4:29:47 pm
23
    
 
DAMBIER LAURA A
DIR
JB
---
3,840
---
4/3/24
---
---
13,237
40.9
D
---
4/4/24 - 5:26:07 pm
24
    
 
HOUSE ARTHUR H
DIR
JB
---
3,840
---
4/3/24
---
---
46,024
9.1
D
---
4/4/24 - 5:24:27 pm
25
    
 
KLEIN MARGARET D
DIR
JB
---
3,840
---
4/3/24
---
---
13,237
40.9
D
---
4/4/24 - 5:23:06 pm
26
    
 
LITTLEFIELD BARBARA G
DIR
JB
---
3,840
---
4/3/24
---
---
29,672
14.9
D
---
4/4/24 - 5:21:50 pm
27
    
 
OLIVER DAVID R JR
DIR
JB
---
3,840
---
4/3/24
---
---
58,068
7.1
D
---
4/4/24 - 5:19:53 pm
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