Sergey Polikarpov
Insider
First SEC filing: June 30, 2006 · Latest: June 30, 2006
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| July 2, 2008 | PLUG | A | 1,037 | · | · | 11,180 Direct | +10.22% | Acquired | (price as of 2026-10-06) |
| April 3, 2008 | PLUG | A | 1,553 | · | · | 10,143 Direct | +18.08% | Acquired | (price as of 2026-10-06) |
| Jan. 3, 2008 | PLUG | A | 1,238 | · | · | 8,590 Direct | +16.84% | Acquired | (price as of 2026-10-06) |
| Oct. 4, 2007 | PLUG | A | 1,623 | · | · | 7,352 Direct | +28.33% | Acquired | (price as of 2026-10-06) |
| July 2, 2007 | PLUG | A | 1,572 | · | · | 5,729 Direct | +37.82% | Acquired | (price as of 2026-10-06) |
| May 17, 2007 | PLUG | A | 10,000 | · | · | 25,000 Direct | +66.67% | Acquired | (price as of 2026-10-06) |
| April 19, 2007 | PLUG | A | 1,558 | · | · | 4,157 Direct | +59.95% | Acquired | (price as of 2026-10-06) |
| Jan. 8, 2007 | PLUG | A | 1,333 | · | · | 2,599 Direct | +105.29% | Acquired | (price as of 2026-10-06) |
| Oct. 2, 2006 | PLUG | A | 1,266 | · | · | 1,266 Direct | · | Acquired | (price as of 2026-10-06) |
| June 29, 2006 | PLUG | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 29, 2006 | PLUG | A | 15,000 | · | · | 15,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 29, 2006 | PLUG | A | 15,000 | $4.74 | $71,100 | 15,000 Direct | · | Acquired | -96.1% (price as of 2026-10-06) |
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 17, 2007 | PLUG | Option to Purchase Common Stock | Common Stock | $2.98 | May 17, 2017 | 10,000 | Acquired |
| June 29, 2006 | PLUG | Option to Purchase Common Stock | Common Stock | $4.74 | June 29, 2016 | 15,000 | Acquired |
| June 29, 2006 | PLUG | Option to Purchase Common Stock | Common Stock | $4.74 | June 29, 2016 | 15,000 | Acquired |
| June 29, 2006 | PLUG | Option to Purchase Common Stock | Common Stock | $4.74 | June 29, 2016 | 15,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 30, 2006 | PLUG | No Securities are Beneficially Owned | 0 | Direct |