Alexander E Barkas
CIK 1162058 · View on SEC EDGAR ↗
Insider
First SEC filing: May 24, 2011 · Latest: May 24, 2011
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 41 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 20, 2011 | GERN | A | 5,000 | — | — | 353,122 Direct | +1.44% | Acquired | (price as of 2026-08-19) |
| May 20, 2011 | GERN | A | 5,000 | — | — | 348,122 Direct | +1.46% | Acquired | (price as of 2026-08-19) |
| May 11, 2011 | GERN | A | 28,000 | — | — | 28,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 11, 2011 | GERN | A | 5,000 | — | — | 343,122 Direct | +1.48% | Acquired | (price as of 2026-08-19) |
| May 11, 2011 | GERN | A | 14,000 | — | — | 338,122 Direct | +4.32% | Acquired | (price as of 2026-08-19) |
| March 9, 2011 | GERN | A | 37,500 | — | — | 37,500 Direct | — | Acquired | (price as of 2026-08-19) |
| March 9, 2011 | GERN | A | 18,750 | — | — | 324,122 Direct | +6.14% | Acquired | (price as of 2026-08-19) |
| July 9, 2010 | GERN | A | 27,000 | — | — | 305,372 Direct | +9.70% | Acquired | (price as of 2026-08-19) |
| July 9, 2010 | GERN | A | 13,500 | — | — | 278,372 Direct | +5.10% | Acquired | (price as of 2026-08-19) |
| July 9, 2010 | GERN | A | 13,500 | — | — | 264,872 Direct | +5.37% | Acquired | (price as of 2026-08-19) |
| July 9, 2010 | GERN | A | 13,500 | — | — | 251,372 Direct | +5.68% | Acquired | (price as of 2026-08-19) |
| May 19, 2010 | GERN | A | 10,000 | — | — | 10,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 19, 2010 | GERN | A | 25,000 | — | — | 25,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 19, 2010 | GERN | A | 12,500 | — | — | 237,872 Direct | +5.55% | Acquired | (price as of 2026-08-19) |
| May 19, 2010 | GERN | A | 7,561 | $5.29 | $39,998 | 225,372 Direct | +3.47% | Acquired | -68.5% (price as of 2026-08-19) |
| May 29, 2009 | GERN | A | 25,000 | $6.52 | $163,000 | 412,500 Direct | +6.45% | Acquired | -74.4% (price as of 2026-08-19) |
| May 29, 2009 | GERN | A | 40,000 | $6.52 | $260,800 | 452,500 Direct | +9.70% | Acquired | -74.4% (price as of 2026-08-19) |
| May 29, 2009 | GERN | A | 25,000 | $6.52 | $163,000 | 387,500 Direct | +6.90% | Acquired | -74.4% (price as of 2026-08-19) |
| May 29, 2009 | GERN | A | 20,000 | — | — | 217,811 Direct | +10.11% | Acquired | (price as of 2026-08-19) |
| May 29, 2009 | GERN | A | 12,500 | — | — | 197,811 Direct | +6.75% | Acquired | (price as of 2026-08-19) |
| May 29, 2009 | GERN | A | 6,135 | $6.52 | $40,000 | 185,311 Direct | +3.42% | Acquired | -74.4% (price as of 2026-08-19) |
| May 28, 2008 | GERN | A | 10,000 | $3.97 | $39,700 | 402,500 Direct | +2.55% | Acquired | -58.0% (price as of 2026-08-19) |
| May 28, 2008 | GERN | A | 25,000 | $3.97 | $99,250 | 392,500 Direct | +6.80% | Acquired | -58.0% (price as of 2026-08-19) |
| May 28, 2008 | GERN | A | 12,500 | — | — | 179,176 Direct | +7.50% | Acquired | (price as of 2026-08-19) |
| May 28, 2008 | GERN | A | 10,076 | — | — | 166,676 Direct | +6.43% | Acquired | (price as of 2026-08-19) |
| May 23, 2007 | GERN | A | 25,000 | $9.32 | $233,000 | 367,500 Direct | +7.30% | Acquired | -82.1% (price as of 2026-08-19) |
| May 23, 2007 | GERN | A | 12,500 | — | — | 156,600 Direct | +8.67% | Acquired | (price as of 2026-08-19) |
| May 23, 2007 | GERN | A | 45,000 | — | — | 144,100 Direct | +45.41% | Acquired | (price as of 2026-08-19) |
| May 23, 2007 | GERN | A | 4,292 | — | — | 99,100 Direct | +4.53% | Acquired | (price as of 2026-08-19) |
| May 21, 2007 | GERN | M | 5,000 | $9.00 | $45,000 | 342,500 Direct | -1.44% | Disposed | -81.5% (price as of 2026-08-19) |
| May 21, 2007 | GERN | M | 5,000 | $9.00 | $45,000 | 94,808 Direct | +5.57% | Acquired | -81.5% (price as of 2026-08-19) |
| Jan. 3, 2007 | GERN | A | 20,000 | — | — | 89,808 Direct | +28.65% | Acquired | (price as of 2026-08-19) |
| May 24, 2006 | GERN | A | 50,000 | $6.63 | $331,500 | 350,442 Direct | +16.64% | Acquired | -74.9% (price as of 2026-08-19) |
| May 24, 2006 | GERN | A | 6,033 | — | — | 69,808 Direct | +9.46% | Acquired | (price as of 2026-08-19) |
| April 28, 2006 | GERN | M | 29,411 | $2.04 | $59,998 | 300,442 Direct | -8.92% | Disposed | -18.3% (price as of 2026-08-19) |
| April 28, 2006 | GERN | M | 29,411 | $2.04 | $59,998 | 63,775 Direct | +85.59% | Acquired | -18.3% (price as of 2026-08-19) |
| May 6, 2005 | GERN | A | 32,500 | $6.40 | $208,000 | 329,853 Direct | +10.93% | Acquired | -74.0% (price as of 2026-08-19) |
| May 6, 2005 | GERN | A | 3,125 | — | — | 34,364 Direct | +10.00% | Acquired | (price as of 2026-08-19) |
| Jan. 12, 2005 | GERN | A | 20,000 | $8.83 | $176,600 | 297,353 Direct | +7.21% | Acquired | -81.1% (price as of 2026-08-19) |
| May 27, 2004 | GERN | A | 57,500 | $7.56 | $434,700 | 277,353 Direct | +26.15% | Acquired | -78.0% (price as of 2026-08-19) |
| May 27, 2004 | GERN | A | 2,646 | — | — | 31,239 Direct | +9.25% | 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 11, 2011 | GERN | Stock Option (right to buy) | Common Stock (28,000) | $4.91 | May 11, 2021 | 28,000 | Acquired |
| March 9, 2011 | GERN | Stock Option (right to buy) | Common Stock (37,500) | $5.00 | March 9, 2021 | 37,500 | Acquired |
| May 19, 2010 | GERN | Stock Option (right to buy) | Common Stock (10,000) | $5.29 | May 19, 2020 | 10,000 | Acquired |
| May 19, 2010 | GERN | Stock Option (right to buy) | Common Stock (25,000) | $5.29 | May 19, 2020 | 25,000 | Acquired |
| May 29, 2009 | GERN | Stock Option (right to buy) | Common Stock (25,000) | $6.52 | May 29, 2019 | 25,000 | Acquired |
| May 29, 2009 | GERN | Stock Option (right to buy) | Common Stock (40,000) | $6.52 | May 29, 2019 | 40,000 | Acquired |
| May 29, 2009 | GERN | Stock Option (right to buy) | Common Stock (25,000) | $6.52 | May 29, 2019 | 25,000 | Acquired |
| May 28, 2008 | GERN | Stock Option (right to buy) | Common Stock (10,000) | $3.97 | May 28, 2018 | 10,000 | Acquired |
| May 28, 2008 | GERN | Stock Option (right to buy) | Common Stock (25,000) | $3.97 | May 28, 2018 | 25,000 | Acquired |
| May 23, 2007 | GERN | Stock Option (right to buy) | Common Stock (25,000) | $9.32 | May 23, 2017 | 25,000 | Acquired |
| May 21, 2007 | GERN | Stock Option (right to buy) | Common Stock (5,000) | $9.00 | May 23, 2007 | 5,000 | Disposed |
| May 24, 2006 | GERN | Stock Option (right to buy) | Common Stock (50,000) | $6.63 | May 24, 2016 | 50,000 | Acquired |
| April 28, 2006 | GERN | Stock Option (right to buy) | Common Stock (29,411) | $2.04 | April 30, 2006 | 29,411 | Disposed |
| May 6, 2005 | GERN | Stock Option (right to buy) | Common Stock (32,500) | $6.40 | May 6, 2015 | 32,500 | Acquired |
| Jan. 12, 2005 | GERN | Stock Option (right to buy) | Common Stock (20,000) | $8.83 | Jan. 12, 2015 | 20,000 | Acquired |
| May 27, 2004 | GERN | Stock Option (right to buy) | Common Stock (57,500) | $7.56 | May 27, 2014 | 57,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).