AMSC American Superconductor Corporation
American Superconductor Corporation (AMSC) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 98% planned / 2% discretionary
Largest single sale: $1.5M.
Where they traded
Last open-market purchase: June 18, 2019 — 7.3 years ago, by OLIVER DAVID R JR .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| McGahn Daniel P 2 fills | Chairman, President and CEO | Sell 10b5-1 | 16,117 | $37.45 | $603.5K | 1,136,538 −1.4% of holding | |
| Kosiba John W JR 2 fills | SVP, CFO & Treasurer | Sell 10b5-1 | 6,769 | $37.46 | $253.6K | 336,120 −2% of holding | |
| Dambier Laura A. | Director | Sell | 4,000 | $37.63 | $150.5K | 14,992 −21.1% of holding | |
| McGahn Daniel P 2 fills | Chairman, President and CEO | Sell 10b5-1 | 9,670 | $41.78 | $404.0K | 1,152,724 −0.8% of holding | |
| Kosiba John W JR 2 fills | SVP, CFO & Treasurer | Sell 10b5-1 | 4,835 | $41.77 | $202.0K | 342,695 −1.4% of holding | |
| McGahn Daniel P 4 fills | Chairman, President and CEO | Sell 10b5-1 | 12,893 | $48.88 | $630.3K | 1,163,534 −1.1% of holding | |
| Kosiba John W JR 3 fills | SVP, CFO & Treasurer | Sell 10b5-1 | 6,447 | $48.94 | $315.5K | 349,228 −1.8% of holding | |
| McGahn Daniel P 4 fills | Chairman, President and CEO | Sell 10b5-1 | 72,525 | $50.78 | $3.7M | 1,229,372 −5.6% of holding | |
| Kosiba John W JR 4 fills | SVP, CFO & Treasurer | Sell 10b5-1 | 30,462 | $50.77 | $1.5M | 377,186 −7.5% of holding | |
| OLIVER DAVID R JR | Director | Sell | 200 | $34.10 | $6.8K | 60,707 −0.3% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.