American Superconductor Corporation · NASDAQ:AMSC
Kosiba John W JR sold 36,909 American Superconductor Corporation shares (Form 4)
Traded Jun 1 to Jun 3, 2026 · Filed Jun 3, 2026
From Jun 1 to Jun 3, 2026, Kosiba John W JR (SVP, CFO & Treasurer) sold 36,909 American Superconductor Corporation shares at an average US$50.45 for US$1.86M under a trading plan, leaving 345,981 shares. Filed Jun 3, 2026 (Form 4).
- Sold
- 36,909 shares
- Price
- US$50.45 average (US$48.31 to US$52.19)
- Value
- US$1.86M
- Holding after
- 345,981 shares
- Trading plan
- Yes (Made under a plan set in advance)
- Role
- SVP, CFO & Treasurer
The filing in full
| Date | Security | Transaction | Shares | Price | Holding after | Ownership |
|---|---|---|---|---|---|---|
| Jun 1, 2026 | Common Stock | Award | 30,000 | 382,890 | Direct | |
| Jun 2, 2026 | Common Stock | Sale | 5,704 | US$49.46 | 377,186 | Direct |
| Jun 2, 2026 | Common Stock | Sale | 12,122 | US$50.62 | 365,064 | Direct |
| Jun 2, 2026 | Common Stock | Sale | 12,036 | US$51.47 | 353,028 | Direct |
| Jun 2, 2026 | Common Stock | Sale | 600 | US$52.19 | 352,428 | Direct |
| Jun 3, 2026 | Common Stock | Sale | 3,200 | US$48.31 | 349,228 | Direct |
| Jun 3, 2026 | Common Stock | Sale | 2,638 | US$49.28 | 346,590 | Direct |
| Jun 3, 2026 | Common Stock | Sale | 609 | US$50.83 | 345,981 | Direct |
Source
Related
- American Superconductor Corporation
- Kosiba John W JR
- American Superconductor Corporation shareholders
- Form 4 · Kosiba John W JR · Jun 11, 2026
- Form 4 · Kosiba John W JR · Jun 10, 2026
- Form 4 · Littlefield Barbara G. · Sep 21, 2026
- Schedule 13G/A · Vanguard Capital Management LLC · Jul 31, 2026
- Form 4 · Dambier Laura A. · Jun 12, 2026
- Form 4 · McGahn Daniel P · Jun 11, 2026
- Form 4 · McGahn Daniel P · Jun 10, 2026