Sergey Polikarpov
CIK 1367885 · View on SEC EDGAR ↗
Insider
First SEC filing: June 30, 2006 · Latest: June 30, 2006
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 12 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 |
|---|---|---|---|---|---|---|---|---|---|
| July 2, 2008 | PLUG | A | 1,037 | — | — | 11,180 Direct | +10.22% | Acquired | (price as of 2026-08-20) |
| April 3, 2008 | PLUG | A | 1,553 | — | — | 10,143 Direct | +18.08% | Acquired | (price as of 2026-08-20) |
| Jan. 3, 2008 | PLUG | A | 1,238 | — | — | 8,590 Direct | +16.84% | Acquired | (price as of 2026-08-20) |
| Oct. 4, 2007 | PLUG | A | 1,623 | — | — | 7,352 Direct | +28.33% | Acquired | (price as of 2026-08-20) |
| July 2, 2007 | PLUG | A | 1,572 | — | — | 5,729 Direct | +37.82% | Acquired | (price as of 2026-08-20) |
| May 17, 2007 | PLUG | A | 10,000 | — | — | 25,000 Direct | +66.67% | Acquired | (price as of 2026-08-20) |
| April 19, 2007 | PLUG | A | 1,558 | — | — | 4,157 Direct | +59.95% | Acquired | (price as of 2026-08-20) |
| Jan. 8, 2007 | PLUG | A | 1,333 | — | — | 2,599 Direct | +105.29% | Acquired | (price as of 2026-08-20) |
| Oct. 2, 2006 | PLUG | A | 1,266 | — | — | 1,266 Direct | — | Acquired | (price as of 2026-08-20) |
| June 29, 2006 | PLUG | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 29, 2006 | PLUG | A | 15,000 | — | — | 15,000 Direct | — | Acquired | (price as of 2026-08-20) |
| June 29, 2006 | PLUG | A | 15,000 | $4.74 | $71,100 | 15,000 Direct | — | Acquired | -95.3% (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 |
|---|---|---|---|---|---|---|---|
| May 17, 2007 | PLUG | Option to Purchase Common Stock | Common Stock (10,000) | $2.98 | May 17, 2017 | 10,000 | Acquired |
| June 29, 2006 | PLUG | Option to Purchase Common Stock | Common Stock (15,000) | $4.74 | June 29, 2016 | 15,000 | Acquired |
| June 29, 2006 | PLUG | Option to Purchase Common Stock | Common Stock (15,000) | $4.74 | June 29, 2016 | 15,000 | Acquired |
| June 29, 2006 | PLUG | Option to Purchase Common Stock | Common Stock (15,000) | $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 |