Donald G Drapkin
CIK 1046392 · View on SEC EDGAR ↗
First SEC filing: Sept. 23, 2004 · Latest: Feb. 14, 2013
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Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 9, 2016 | SKT | A | 4,500 | — | — | 33,856 Direct | +15.33% | Acquired | (price as of 2026-08-20) |
| Feb. 10, 2015 | SKT | A | 4,500 | — | — | 28,660 Direct | +18.63% | Acquired | (price as of 2026-08-20) |
| Nov. 14, 2014 | SKT | A | 464 | — | — | 24,160 Direct | +1.96% | Acquired | (price as of 2026-08-20) |
| Aug. 15, 2014 | SKT | A | 481 | — | — | 23,604 Direct | +2.08% | Acquired | (price as of 2026-08-20) |
| May 15, 2014 | SKT | A | 362 | — | — | 23,033 Direct | +1.60% | Acquired | (price as of 2026-08-20) |
| Feb. 14, 2014 | SKT | A | 380 | — | — | 22,586 Direct | +1.71% | Acquired | (price as of 2026-08-20) |
| Feb. 11, 2014 | SKT | A | 5,000 | — | — | 22,158 Direct | +29.14% | Acquired | (price as of 2026-08-20) |
| Nov. 15, 2013 | SKT | A | 405 | — | — | 17,158 Direct | +2.42% | Acquired | (price as of 2026-08-20) |
| Aug. 15, 2013 | SKT | A | 432 | — | — | 16,708 Direct | +2.65% | Acquired | (price as of 2026-08-20) |
| May 15, 2013 | SKT | A | 359 | — | — | 16,231 Direct | +2.26% | Acquired | (price as of 2026-08-20) |
| Feb. 15, 2013 | SKT | A | 381 | — | — | 15,838 Direct | +2.46% | Acquired | (price as of 2026-08-20) |
| Feb. 12, 2013 | SKT | A | 5,000 | — | — | 15,454 Direct | +47.83% | Acquired | (price as of 2026-08-20) |
| Feb. 14, 2012 | SKT | A | 5,000 | — | — | 10,000 Direct | +100.00% | Acquired | (price as of 2026-08-20) |
| April 26, 2011 | SKT | A | 5,000 | — | — | 5,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 2, 2005 | SIGA | A | 10,000 | — | — | 1,513,326 Direct | +0.67% | Acquired | (price as of 2026-08-20) |
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 |
|---|---|---|---|---|---|---|---|
| June 2, 2005 | SIGA | Stock Option (Right to buy) | Common Stock, par value $.0001 per share (10,000) | $1.35 | June 2, 2015 | 10,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 23, 2004 | NEPH | Common Stock | 355,464 | Direct |
| Sept. 23, 2004 | NEPH | Series A Convertible Preferred Stock→ Common Stock (26,279) | 26,279 | Direct |
| Sept. 23, 2004 | NEPH | Series C Convertible Preferred Stock→ Common Stock (36,856) | 36,856 | Direct |
| Sept. 23, 2004 | NEPH | Series D Convertible Preferred Stock→ Common Stock (91,323) | 91,323 | Direct |
| Sept. 23, 2004 | NEPH | Non-qualified stock option (right to buy)→ Common Stock | — | Direct |