| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Kosiba John W JR | SVP, CFO & Treasurer | C/O AMERICAN SUPERCONDUCTOR CORPORATION, 114 EAST MAIN ST, AYER | /s/ John W. Kosiba, Jr. | 06 Aug 2025 | 0001703463 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMSC | Common Stock | Sale | $1,861,723 | -34,260 | -8.5% | $54.34 | 368,630 | 04 Aug 2025 | Direct | F1 |
| transaction | AMSC | Common Stock | Sale | $867,734 | -15,740 | -4.3% | $55.13 | 352,890 | 04 Aug 2025 | Direct | F2, F3 |
| transaction | AMSC | Common Stock | Sale | $543,924 | -9,843 | -100% | $55.26 | 0 | 04 Aug 2025 | By 401(k) plan | F4 |
| Id | Content |
|---|---|
| F1 | The sales were executed in multiple trades at prices ranging from $54.00-$54.94. 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. |
| F2 | The sales were executed in multiple trades at prices ranging from $55.00-$55.34. 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 | Following all the transactions reported on this Form 4, the reporting person holds 352,890 shares directly. |
| F4 | Following all the transactions reported on this Form 4, the reporting person holds 0 shares indirectly through the issuer's 401(k) plan as of August 6, 2025. |