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AMERICAN SUPERCONDUCTOR CORP /DE/

AMSC Net selling
CIK 0000880807 #2265 in the set updated 18 Sep 2026
Bought (120 mo)
$427.59K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$31.10M
$17.14M on a plan · $0.00 straight out of an exercise
Sold at will
$13.95M
32 of 77 sales
Net
−$30.67M
−$13.53M against sales at will

By person

12 insiders · 88 transactions
60.6×

Daniel P. McGahn holds 60.6 times base salary in stock. $43.40M of shares against $715.77K in salary for 2025.

Salary from the company's own proxy. The shares are what Daniel P. McGahn last reported holding, valued at $37.85, the price Common Stock was last bought or sold at on the open market here, on 11 Jun 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
McGahn Daniel P
Chairman, President and CEO
$187.27K (2)
$17.59M (30) scheduled
−$17.41M
1,146,501
2.37%
$43.40M
+776.6%
Kosiba John W JR
SVP, CFO & Treasurer
$160.87K (4)
$12.80M (41)
−$12.63M
339,740
0.7013%
$12.86M
+515.4%
House Arthur H
Director
$494.08K (1)
−$494.08K
51,779
0.1069%
$1.96M
+2,489%
Dambier Laura A.
Director
$150.52K (1)
−$150.52K
14,992
0.0309%
$567.46K
WOOD JOHN W JR
Director
$25.00K (1)
+$25.00K
36,245
0.0748%
$1.37M
+171.7%
OLIVER DAVID R JR
Director
$1.67K (1)
$24.32K (2)
−$22.65K
63,823
0.1318%
$2.42M
+373.5%
BUDHRAJA VIKRAM S
Director
$50.00K (1)
$35.94K (1)
+$14.06K
59,299
0.1224%
$2.24M
+250.1%
SANDE JOHN VANDER
Director
$4.03K (1)
−$4.03K
22,234
0.0459%
$841.58K
+70.5%
Klein Margaret D.
Director
$2.78K (1)
+$2.78K
19,492
0.0402%
$737.79K
Littlefield Barbara G.
Director
35,427
0.0731%
$1.34M
LENEHAN PAMELA F
Director
27,172
0.0561%
$1.03M
+133.5%
Donnelly Terence Robert
Director
2,665
0.0055%
$100.87K
Insider
Date
Role
Action
Shares
Price
Amount
Dambier Laura A.
11 Jun 2026
Director
Sell
4,000
$37.63
$150.52K
OLIVER DAVID R JR
24 Feb 2026
Director
Sell
200
$34.10
$6.82K
House Arthur H
8 Aug 2025
Director
Sell
9,703
$50.92
$494.08K
Kosiba John W JR
4 Aug 2025
SVP, CFO & Treasurer
Sell indirect
9,843
$55.26
$543.92K
Kosiba John W JR
4 Aug 2025
SVP, CFO & Treasurer
Sell
15,740
$55.13
$867.73K
Kosiba John W JR
4 Aug 2025
SVP, CFO & Treasurer
Sell
34,260
$54.34
$1.86M
McGahn Daniel P
4 Aug 2025
Chairman, President and CEO
Sell
27,743
$55.11
$1.53M
McGahn Daniel P
4 Aug 2025
Chairman, President and CEO
Sell
73,105
$54.26
$3.97M
Kosiba John W JR
4 Nov 2024
SVP, CFO & Treasurer
Sell
50,000
$28.28
$1.41M
Kosiba John W JR
10 Jun 2022
SVP, CFO & Treasurer
Sell
8,473
$5.97
$50.62K
McGahn Daniel P
10 Jun 2022
Chairman, President and CEO
Sell
32,587
$5.98
$194.75K
Kosiba John W JR
31 May 2022
SVP, CFO & Treasurer
Sell
13,325
$5.45
$72.68K
McGahn Daniel P
31 May 2022
Chairman, President and CEO
Sell
21,725
$5.45
$118.48K
Kosiba John W JR
10 Dec 2021
SVP, CFO & Treasurer
Sell
22,754
$11.31
$257.41K
BUDHRAJA VIKRAM S
8 Dec 2021
Director
Sell
3,000
$11.98
$35.94K
Kosiba John W JR
2 Nov 2021
SVP, CFO & Treasurer
Sell
259
$19.31
$5.00K
Kosiba John W JR
2 Nov 2021
SVP, CFO & Treasurer
Sell
6,983
$18.77
$131.08K
Kosiba John W JR
1 Nov 2021
SVP, CFO & Treasurer
Sell
3,766
$18.95
$71.38K
McGahn Daniel P
1 Nov 2021
Chairman, President and CEO
Sell
7,241
$18.96
$137.30K
Kosiba John W JR
1 Jul 2021
SVP, CFO & Treasurer
Sell
6,409
$17.66
$113.18K
McGahn Daniel P
1 Jul 2021
Chairman, President and CEO
Sell
14,664
$17.66
$259.02K
Kosiba John W JR
24 May 2021
SVP, CFO & Treasurer
Sell
5,794
$14.18
$82.14K
McGahn Daniel P
24 May 2021
Chairman, President and CEO
Sell
8,690
$14.19
$123.28K
Kosiba John W JR
21 Jan 2021
SVP, CFO & Treasurer
Sell
10,661
$28.03
$298.78K
Kosiba John W JR
21 Jan 2021
SVP, CFO & Treasurer
Sell
8,333
$27.66
$230.51K
Kosiba John W JR
21 Jan 2021
SVP, CFO & Treasurer
Sell
6,100
$26.56
$162.03K
Kosiba John W JR
25 Nov 2020
SVP, CFO & Treasurer
Sell
25,000
$19.28
$481.96K
Kosiba John W JR
19 Dec 2019
SVP, CFO & Treasurer
Sell
10,287
$7.63
$78.50K
Kosiba John W JR
28 Dec 2018
SVP, CFO & Treasurer
Sell
12,374
$10.31
$127.59K
Kosiba John W JR
7 Dec 2018
SVP, CFO & Treasurer
Sell
6,250
$10.58
$66.15K
OLIVER DAVID R JR
15 Dec 2016
Director
Sell
2,200
$7.95
$17.50K
SANDE JOHN VANDER
28 Nov 2016
Director
Sell
500
$8.05
$4.03K

What was left out

Form 4 filings counted 156
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 45
Sales straight out of an exercise 0
Sales at will 32
Transactions with no price 0
Shares from compensation/vesting 3,284,656
Sales filed before the plan box existed 23
History held since 22 Sep 2016