InsiderClue
← All stocks

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
—

Individual transactions

88
Insider
Date
Role
Action
Shares
Price
Amount
McGahn Daniel P
11 Jun 2026
Chairman, President and CEO
Sold on a plan
4,609
$37.85
$174.46K
McGahn Daniel P
11 Jun 2026
Chairman, President and CEO
Sold on a plan
11,508
$37.28
$429.05K
Kosiba John W JR
11 Jun 2026
SVP, CFO & Treasurer
Sold on a plan
1,743
$37.85
$65.98K
Kosiba John W JR
11 Jun 2026
SVP, CFO & Treasurer
Sold on a plan
5,026
$37.33
$187.60K
Dambier Laura A.
11 Jun 2026
Director
Sell
4,000
$37.63
$150.52K
McGahn Daniel P
8 Jun 2026
Chairman, President and CEO
Sold on a plan
4,678
$42.19
$197.38K
McGahn Daniel P
8 Jun 2026
Chairman, President and CEO
Sold on a plan
4,992
$41.39
$206.61K
Kosiba John W JR
8 Jun 2026
SVP, CFO & Treasurer
Sold on a plan
1,549
$42.35
$65.60K
Kosiba John W JR
8 Jun 2026
SVP, CFO & Treasurer
Sold on a plan
3,286
$41.50
$136.37K
McGahn Daniel P
3 Jun 2026
Chairman, President and CEO
Sold on a plan
817
$50.99
$41.66K
McGahn Daniel P
3 Jun 2026
Chairman, President and CEO
Sold on a plan
500
$50.29
$25.14K
McGahn Daniel P
3 Jun 2026
Chairman, President and CEO
Sold on a plan
4,501
$49.25
$221.69K
McGahn Daniel P
3 Jun 2026
Chairman, President and CEO
Sold on a plan
7,075
$48.31
$341.77K
Kosiba John W JR
3 Jun 2026
SVP, CFO & Treasurer
Sold on a plan
609
$50.83
$30.95K
Kosiba John W JR
3 Jun 2026
SVP, CFO & Treasurer
Sold on a plan
2,638
$49.28
$130.01K
Kosiba John W JR
3 Jun 2026
SVP, CFO & Treasurer
Sold on a plan
3,200
$48.31
$154.58K
McGahn Daniel P
2 Jun 2026
Chairman, President and CEO
Sold on a plan
2,305
$52.14
$120.17K
McGahn Daniel P
2 Jun 2026
Chairman, President and CEO
Sold on a plan
28,558
$51.46
$1.47M
McGahn Daniel P
2 Jun 2026
Chairman, President and CEO
Sold on a plan
27,900
$50.63
$1.41M
McGahn Daniel P
2 Jun 2026
Chairman, President and CEO
Sold on a plan
13,762
$49.45
$680.54K
Kosiba John W JR
2 Jun 2026
SVP, CFO & Treasurer
Sold on a plan
600
$52.19
$31.32K
Kosiba John W JR
2 Jun 2026
SVP, CFO & Treasurer
Sold on a plan
12,036
$51.47
$619.44K
Kosiba John W JR
2 Jun 2026
SVP, CFO & Treasurer
Sold on a plan
12,122
$50.62
$613.60K
Kosiba John W JR
2 Jun 2026
SVP, CFO & Treasurer
Sold on a plan
5,704
$49.46
$282.13K
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
House Arthur H
6 Aug 2025
Director
Exercised, kept
9,703
$6.80
$65.98K
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
11 Jun 2025
SVP, CFO & Treasurer
Sold on a plan
300
$29.08
$8.72K
Kosiba John W JR
11 Jun 2025
SVP, CFO & Treasurer
Sold on a plan
6,342
$28.55
$181.05K
McGahn Daniel P
11 Jun 2025
Chairman, President and CEO
Sold on a plan
500
$29.09
$14.55K
McGahn Daniel P
11 Jun 2025
Chairman, President and CEO
Sold on a plan
12,315
$28.56
$351.70K
McGahn Daniel P
6 Jun 2025
Chairman, President and CEO
Sold on a plan
7,689
$31.82
$244.67K
Kosiba John W JR
6 Jun 2025
SVP, CFO & Treasurer
Sold on a plan
4,744
$31.83
$151.01K
Kosiba John W JR
27 May 2025
SVP, CFO & Treasurer
Sold on a plan
39,903
$26.61
$1.06M
Kosiba John W JR
27 May 2025
SVP, CFO & Treasurer
Sold on a plan
10,097
$25.55
$258.02K
McGahn Daniel P
27 May 2025
Chairman, President and CEO
Sold on a plan
98,149
$26.60
$2.61M
McGahn Daniel P
27 May 2025
Chairman, President and CEO
Sold on a plan
24,506
$25.55
$626.05K
McGahn Daniel P
20 May 2025
Chairman, President and CEO
Sold on a plan
12,815
$24.49
$313.88K
Kosiba John W JR
20 May 2025
SVP, CFO & Treasurer
Sold on a plan
11,860
$24.50
$290.53K
Kosiba John W JR
4 Nov 2024
SVP, CFO & Treasurer
Sell
50,000
$28.28
$1.41M
Kosiba John W JR
11 Jun 2024
SVP, CFO & Treasurer
Sold on a plan
32,000
$21.68
$693.75K
McGahn Daniel P
11 Jun 2024
Chairman, President and CEO
Sold on a plan
37,165
$21.69
$806.05K
McGahn Daniel P
21 May 2024
Chairman, President and CEO
Sold on a plan
1,620
$15.30
$24.79K
McGahn Daniel P
21 May 2024
Chairman, President and CEO
Sold on a plan
18,939
$14.78
$279.95K
Kosiba John W JR
21 May 2024
SVP, CFO & Treasurer
Sold on a plan
2,170
$15.30
$33.20K
Kosiba John W JR
21 May 2024
SVP, CFO & Treasurer
Sold on a plan
26,830
$14.78
$396.61K
Kosiba John W JR
22 Jun 2023
SVP, CFO & Treasurer
Sold on a plan
29,878
$5.95
$177.82K
McGahn Daniel P
22 Jun 2023
Chairman, President and CEO
Sold on a plan
36,902
$5.95
$219.60K
Kosiba John W JR
21 Jun 2023
SVP, CFO & Treasurer
Sold on a plan
50,132
$6.15
$308.53K
McGahn Daniel P
21 Jun 2023
Chairman, President and CEO
Sold on a plan
73,802
$6.14
$453.35K
Kosiba John W JR
16 Dec 2022
SVP, CFO & Treasurer
Buy
15,000
$3.50
$52.47K
McGahn Daniel P
16 Dec 2022
Chairman, President and CEO
Buy
25,000
$3.49
$87.27K
Kosiba John W JR
12 Dec 2022
SVP, CFO & Treasurer
Buy
25,000
$3.34
$83.40K
Klein Margaret D.
4 Aug 2022
Director
Buy
500
$5.57
$2.78K
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
OLIVER DAVID R JR
18 Jun 2019
Director
Buy
200
$8.33
$1.67K
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
Kosiba John W JR
9 Feb 2018
SVP, CFO & Treasurer
Buy
5,000
$0.00
$0.00
BUDHRAJA VIKRAM S
10 May 2017
Director
Buy
12,500
$4.00
$50.00K
Kosiba John W JR
10 May 2017
SVP, CFO & Treasurer
Buy
6,250
$4.00
$25.00K
McGahn Daniel P
10 May 2017
President and CEO
Buy
25,000
$4.00
$100.00K
WOOD JOHN W JR
10 May 2017
Director
Buy
6,250
$4.00
$25.00K
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