Abiopharma

🔍 Kosiba John W JR (Executive)

Company: AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC)

Report Date: 2026-06-08

Detailed Transactions and Holdings:

• Sold 3,286 shares of Common Stock at $41.5007 per share (Direct)
  Date: 2026-06-08 | Code: S | equity_swap_involved: false | shares_owned_after: 342,695.00 | transaction_form_type: 4 | Footnotes: F1, F2
• Sold 1,549 shares of Common Stock at $42.347 per share (Direct)
  Date: 2026-06-08 | Code: S | equity_swap_involved: false | shares_owned_after: 341,146.00 | transaction_form_type: 4 | Footnotes: F1, F3, F4
• Holds 0 shares of Common Stock (Direct)
  Date: 2026-06-08 | Code: H | nature_of_ownership: By 401(k) plan | shares_owned_after: 371.00 | Footnotes: F5

Footnotes:

• F1: Represents the number of shares sold by the reporting person to cover tax withholding obligations in connection with the vesting of restricted stock awards. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan previously entered into by the reporting person on August 15, 2025.
• F2: The sales were executed in multiple trades at prices ranging from $40.94-$41.90. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected.
• F3: The sales were executed in multiple trades at prices ranging from $41.94-$42.86. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and prices at which the transactions were effected.
• F4: Following all the transactions reported on this Form 4, the reporting person holds 341,146 shares directly.
• F5: Following all the transactions reported on this Form 4, the reporting person holds 371 shares indirectly through the company's 401(k) plan as of June 10, 2026.