AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)

Latest Insider Confidence Score

2026Q1

49.2
Bearish

Company insider confidence (by quarter)

2007Q3 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Douglas Kevin 10% Owner 204,100 May 4, 2015
Douglas James E III 10% Owner 204,100 May 4, 2015
Douglas Michelle 10% Owner 204,100 May 4, 2015
Douglas Family Trust 10% Owner 204,100 May 4, 2015
James & Jean Douglas Irrevocable Descendants Trust 10% Owner 204,100 May 4, 2015

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 24, 2026 Feb 26, 2026 OLIVER DAVID R JR Director Sell 45.0 -200 -0.33% $6.8K
Jun 18, 2019 Nov 13, 2025 OLIVER DAVID R JR Director Buy 60.0 +200 0.33% $1.7K
Aug 6, 2025 Aug 8, 2025 House Arthur H Director Sell 20.0 -9,703 -16.62% $494.1K
Aug 4, 2022 Aug 6, 2025 Klein Margaret D. Director Buy 82.5 +500 3.15% $2.8K
Aug 4, 2025 Aug 6, 2025 McGahn Daniel P CEO Sell 16.3 -100,848 -7.78% $5.5M
Aug 4, 2025 Aug 6, 2025 Kosiba John W JR CFO Sell 17.5 -59,843 -14.50% $3.3M
Jun 11, 2025 Jun 12, 2025 McGahn Daniel P CEO Sell 45.0 -12,815 -0.98% $366.2K
Jun 11, 2025 Jun 12, 2025 Kosiba John W JR CFO Sell 45.0 -6,642 -1.58% $189.8K
Jun 6, 2025 Jun 9, 2025 Kosiba John W JR CFO Sell 45.0 -4,744 -1.12% $151K
Jun 6, 2025 Jun 9, 2025 McGahn Daniel P CEO Sell 47.5 -7,689 -0.58% $244.7K
May 27, 2025 May 29, 2025 McGahn Daniel P CEO Sell 23.8 -122,655 -8.52% $3.2M
May 27, 2025 May 29, 2025 Kosiba John W JR CFO Sell 20.0 -50,000 -10.55% $1.3M
May 27, 2025 May 29, 2025 Donnelly Terence Robert Director Neutral 52.5 - 0.00% -
May 29, 2025 Donnelly Terence Robert Director Neutral 52.5 - 0.00% -
May 20, 2025 May 22, 2025 Kosiba John W JR CFO Sell 38.8 -11,860 -2.44% $290.5K
May 20, 2025 May 22, 2025 McGahn Daniel P CEO Sell 45.0 -12,815 -0.88% $313.9K
May 15, 2025 May 19, 2025 Kosiba John W JR CFO Neutral 90.0 +120,000 32.80% -
May 15, 2025 May 19, 2025 McGahn Daniel P CEO Neutral 90.0 +240,000 19.79% -
Apr 3, 2025 Apr 4, 2025 OLIVER DAVID R JR Director Neutral 82.5 +2,639 4.54% -
Apr 3, 2025 Apr 4, 2025 Littlefield Barbara G. Director Neutral 85.0 +2,639 8.89% -
Apr 3, 2025 Apr 4, 2025 Klein Margaret D. Director Neutral 90.0 +2,639 19.94% -
Apr 3, 2025 Apr 4, 2025 House Arthur H Director Neutral 85.0 +2,639 5.73% -
Apr 3, 2025 Apr 4, 2025 Dambier Laura A. Director Neutral 90.0 +2,639 19.94% -
Nov 4, 2024 Nov 6, 2024 Kosiba John W JR CFO Sell 17.5 -50,000 -12.03% $1.4M
Sep 30, 2024 Oct 1, 2024 McGahn Daniel P CEO Neutral 90.0 +180,000 17.44% -
Sep 26, 2024 Sep 30, 2024 Kosiba John W JR CFO Neutral 90.0 +90,000 27.65% -
Jun 11, 2024 Jun 12, 2024 McGahn Daniel P CEO Sell 35.0 -37,165 -3.48% $806K
Jun 11, 2024 Jun 12, 2024 Kosiba John W JR CFO Sell 26.3 -32,000 -8.96% $693.8K
May 21, 2024 May 23, 2024 Kosiba John W JR CFO Sell 26.3 -29,000 -7.51% $429.8K
May 21, 2024 May 23, 2024 McGahn Daniel P CEO Sell 42.5 -20,559 -1.89% $304.7K
Apr 3, 2024 Apr 4, 2024 Dambier Laura A. Director Neutral 90.0 +3,840 40.86% -
Apr 3, 2024 Apr 4, 2024 House Arthur H Director Neutral 85.0 +3,840 9.10% -
Apr 3, 2024 Apr 4, 2024 Klein Margaret D. Director Neutral 90.0 +3,840 40.86% -
Apr 3, 2024 Apr 4, 2024 Littlefield Barbara G. Director Neutral 90.0 +3,840 14.87% -
Apr 3, 2024 Apr 4, 2024 OLIVER DAVID R JR Director Neutral 85.0 +3,840 7.08% -
Jun 21, 2023 Jun 23, 2023 McGahn Daniel P CEO Sell 26.3 -110,704 -9.23% $672.9K
Jun 21, 2023 Jun 23, 2023 Kosiba John W JR CFO Sell 17.5 -80,010 -17.20% $486.3K
Jun 15, 2023 Jun 20, 2023 Kosiba John W JR CFO Neutral 90.0 +103,387 28.57% -
Jun 15, 2023 Jun 20, 2023 McGahn Daniel P CEO Neutral 90.0 +245,161 25.69% -
Apr 5, 2023 Apr 7, 2023 House Arthur H Director Neutral 90.0 +11,627 38.05% -
Apr 5, 2023 Apr 7, 2023 Klein Margaret D. Director Neutral 90.0 +9,397 100.00% -
Apr 5, 2023 Apr 7, 2023 Dambier Laura A. Director Neutral 90.0 +9,397 100.00% -
Apr 5, 2023 Apr 7, 2023 Littlefield Barbara G. Director Neutral 90.0 +11,627 81.85% -
Apr 5, 2023 Apr 7, 2023 OLIVER DAVID R JR Director Neutral 90.0 +11,627 27.29% -
Dec 16, 2022 Dec 19, 2022 McGahn Daniel P CEO Buy 87.5 +25,000 2.69% $87.3K
Dec 16, 2022 Dec 19, 2022 Kosiba John W JR CFO Buy 87.5 +15,000 4.34% $52.5K
Dec 12, 2022 Dec 13, 2022 Kosiba John W JR CFO Buy 90.0 +25,000 7.79% $83.4K
Oct 31, 2022 Nov 2, 2022 McGahn Daniel P CEO Neutral 90.0 +250,000 36.88% -
Oct 19, 2022 Oct 21, 2022 Kosiba John W JR CFO Neutral 90.0 +125,000 63.87% -
Jun 10, 2022 Jun 14, 2022 Dambier Laura A. Director Neutral 52.5 - 0.00% -
Jun 10, 2022 Jun 14, 2022 Klein Margaret D. Director Neutral 52.5 - 0.00% -
Jun 13, 2022 Klein Margaret D. Director Neutral 52.5 - 0.00% -
Jun 13, 2022 Dambier Laura A. Director Neutral 52.5 - 0.00% -
Jun 10, 2022 Jun 13, 2022 McGahn Daniel P CEO Sell 37.5 -32,587 -4.59% $194.7K
Jun 10, 2022 Jun 13, 2022 Kosiba John W JR CFO Sell 37.5 -8,473 -4.16% $50.6K
Jun 10, 2022 Jun 13, 2022 BUDHRAJA VIKRAM S Director Neutral 82.5 +1,538 2.66% -
May 31, 2022 Jun 2, 2022 McGahn Daniel P CEO Sell 41.3 -21,725 -2.97% $118.5K
May 31, 2022 Jun 2, 2022 Kosiba John W JR CFO Sell 32.5 -13,325 -6.15% $72.7K
Apr 5, 2022 Apr 6, 2022 House Arthur H Director Neutral 90.0 +6,067 24.77% -
Apr 5, 2022 Apr 6, 2022 OLIVER DAVID R JR Director Neutral 90.0 +6,067 16.61% -
Apr 5, 2022 Apr 6, 2022 Littlefield Barbara G. Director Neutral 90.0 +6,067 74.55% -
Apr 5, 2022 Apr 6, 2022 BUDHRAJA VIKRAM S Director Neutral 90.0 +6,067 11.74% -
Dec 10, 2021 Dec 13, 2021 Kosiba John W JR CFO Sell 26.3 -22,754 -9.52% $257.4K
Dec 8, 2021 Dec 9, 2021 BUDHRAJA VIKRAM S Director Sell 26.3 -3,000 -5.49% $35.9K
Nov 1, 2021 Nov 2, 2021 McGahn Daniel P CEO Sell 47.5 -7,241 -0.98% $137.3K
Nov 1, 2021 Nov 2, 2021 Kosiba John W JR CFO Sell 37.5 -11,008 -4.41% $207.5K
Aug 5, 2021 Aug 6, 2021 McGahn Daniel P CEO Neutral 85.0 +35,661 5.08% -
Aug 5, 2021 Aug 6, 2021 Kosiba John W JR CFO Neutral 85.0 +11,943 5.02% -
Jul 1, 2021 Jul 6, 2021 McGahn Daniel P CEO Sell 38.8 -14,664 -2.05% $259K
Jul 1, 2021 Jul 6, 2021 Kosiba John W JR CFO Sell 41.3 -6,409 -2.63% $113.2K
May 20, 2021 May 24, 2021 McGahn Daniel P CEO Sell 95.0 +66,310 10.19% $123.3K
May 20, 2021 May 24, 2021 Kosiba John W JR CFO Sell 95.0 +24,206 11.01% $82.1K
Apr 5, 2021 Apr 7, 2021 OLIVER DAVID R JR Director Neutral 85.0 +2,073 6.02% -
Apr 5, 2021 Apr 7, 2021 Littlefield Barbara G. Director Neutral 90.0 +2,073 34.18% -
Apr 5, 2021 Apr 7, 2021 House Arthur H Director Neutral 85.0 +2,073 9.25% -
Apr 5, 2021 Apr 7, 2021 BUDHRAJA VIKRAM S Director Neutral 82.5 +2,073 3.94% -
Jan 21, 2021 Jan 22, 2021 Kosiba John W JR CFO Sell 22.5 -25,094 -10.25% $691.3K
Nov 25, 2020 Nov 30, 2020 Kosiba John W JR CFO Sell 20.0 -25,000 -9.27% $482K
Oct 31, 2020 Nov 2, 2020 Kosiba John W JR CFO Sell 42.5 -11,095 -3.95% $154.3K
Oct 31, 2020 Nov 2, 2020 McGahn Daniel P CEO Sell 42.5 -7,392 -1.12% $102.8K
Jul 27, 2020 Jul 29, 2020 McGahn Daniel P CEO Sell 42.5 -16,651 -2.47% $162.2K
Jul 27, 2020 Jul 29, 2020 Kosiba John W JR CFO Sell 42.5 -5,228 -1.83% $50.9K
Jun 28, 2020 Jun 30, 2020 McGahn Daniel P CEO Sell 42.5 -14,969 -2.17% $109K
Jun 28, 2020 Jun 30, 2020 Kosiba John W JR CFO Sell 46.3 -6,518 -2.23% $47.5K
Jun 2, 2020 Jun 4, 2020 McGahn Daniel P CEO Sell 42.5 -91,628 -11.74% $131.5K
Jun 2, 2020 Jun 4, 2020 Kosiba John W JR CFO Sell 46.3 -29,324 -9.12% $42.1K
May 21, 2020 May 26, 2020 McGahn Daniel P CEO Neutral 90.0 +250,000 47.13% -
May 21, 2020 May 26, 2020 Kosiba John W JR CFO Neutral 90.0 +116,667 56.97% -
Apr 3, 2020 Apr 7, 2020 OLIVER DAVID R JR Director Neutral 90.0 +7,092 25.91% -
Apr 3, 2020 Apr 7, 2020 House Arthur H Director Neutral 90.0 +7,092 46.28% -
Apr 3, 2020 Apr 7, 2020 BUDHRAJA VIKRAM S Director Neutral 90.0 +7,092 15.58% -
Apr 3, 2020 Apr 7, 2020 Littlefield Barbara G. Director Neutral 90.0 +6,065 100.00% -
Dec 19, 2019 Dec 23, 2019 Kosiba John W JR CFO Sell 37.5 -10,287 -4.80% $78.5K
Nov 5, 2019 Nov 7, 2019 McGahn Daniel P CEO Neutral 27.5 -16,875 -3.09% -
Nov 5, 2019 Nov 7, 2019 Kosiba John W JR CFO Neutral 27.5 -7,375 -3.32% -
Oct 31, 2019 Nov 4, 2019 McGahn Daniel P CEO Neutral 90.0 +125,000 29.64% -
Oct 31, 2019 Nov 4, 2019 Kosiba John W JR CFO Sell 90.0 +38,122 9.32% $59.6K
Jul 27, 2019 Jul 30, 2019 McGahn Daniel P CEO Sell 42.5 -16,651 -3.80% $146.7K
Jul 27, 2019 Jul 30, 2019 Kosiba John W JR CFO Sell 46.3 -5,307 -2.81% $46.8K
Jun 28, 2019 Jul 2, 2019 McGahn Daniel P CEO Sell 42.5 -14,985 -3.31% $139.1K