Stuart Karon
CIK 1276961 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 30, 2004 · Latest: Jan. 30, 2004
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 3 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 5, 2005 | AMSC | A | 40,000 | — | — | 40,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 5, 2005 | AMSC | A | 6,000 | — | — | 14,100 Direct | +74.07% | Acquired | (price as of 2026-08-19) |
| April 26, 2004 | AMSC | A | 27,000 | — | — | 27,000 Direct | — | Acquired | (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| May 5, 2005 | AMSC | Stock Option (right to buy) | Common Stock (40,000) | $9.26 | May 5, 2015 | 40,000 | Acquired |
| April 26, 2004 | AMSC | Options to Purchase | Common Stock (27,000) | $13.94 | April 26, 2014 | 27,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 30, 2004 | AMSC | Common Stock, $.01 par value per share | 8,000 | Direct |
| Jan. 30, 2004 | AMSC | Options to purchase→ Common Stock (19,000) | 19,000 | Direct |
| Jan. 30, 2004 | AMSC | Options to purchase→ Common Stock (5,000) | 5,000 | Direct |
| Jan. 30, 2004 | AMSC | Options to purchase→ Common Stock (4,000) | 4,000 | Direct |
| Jan. 30, 2004 | AMSC | Options to purchase→ Common Stock (4,000) | 4,000 | Direct |
| Jan. 30, 2004 | AMSC | Options to purchase→ Common Stock (4,000) | 4,000 | Direct |