Katharine E. Spink
Insider
First SEC filing: Feb. 26, 2009 · Latest: Feb. 14, 2012
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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 14, 2011 | GERN | S | 22,591 | $4.28 | $96,689 | 328,561 Direct | -6.43% | Disposed | -70.6% (price as of 2026-10-05) |
| May 24, 2011 | GERN | S | 419 | $4.47 | $1,873 | 351,152 Direct | -0.12% | Disposed | -71.8% (price as of 2026-10-05) |
| May 20, 2011 | GERN | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 20, 2011 | GERN | A | 5,000 | · | · | 351,571 Direct | +1.44% | Acquired | (price as of 2026-10-05) |
| May 20, 2011 | GERN | A | 5,000 | · | · | 346,571 Direct | +1.46% | Acquired | (price as of 2026-10-05) |
| May 20, 2011 | GERN | A | 25,000 | · | · | 341,571 Direct | +7.90% | Acquired | (price as of 2026-10-05) |
| July 9, 2010 | GERN | A | 90,000 | · | · | 316,571 Direct | +39.72% | Acquired | (price as of 2026-10-05) |
| July 9, 2010 | GERN | A | 35,000 | · | · | 226,571 Direct | +18.27% | Acquired | (price as of 2026-10-05) |
| July 9, 2010 | GERN | A | 90,000 | · | · | 191,571 Direct | +88.61% | Acquired | (price as of 2026-10-05) |
| July 9, 2010 | GERN | A | 10,000 | · | · | 101,571 Direct | +10.92% | Acquired | (price as of 2026-10-05) |
| June 2, 2010 | GERN | S | 8,186 | $5.43 | $44,450 | 91,571 Direct | -8.21% | Disposed | -76.8% (price as of 2026-10-05) |
| May 24, 2010 | GERN | S | 385 | $5.11 | $1,967 | 99,757 Direct | -0.38% | Disposed | -75.4% (price as of 2026-10-05) |
| May 19, 2010 | GERN | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-05) |
| May 19, 2010 | GERN | A | 25,000 | · | · | 100,142 Direct | +33.27% | Acquired | (price as of 2026-10-05) |
| Jan. 14, 2010 | GERN | I | 2,652 | $6.22 | $16,495 | 2,652 Indirect | · | Acquired | -79.8% (price as of 2026-10-05) |
| May 29, 2009 | GERN | A | 50,000 | $6.52 | $326,000 | 125,729 Direct | +66.02% | Acquired | -80.7% (price as of 2026-10-05) |
| May 29, 2009 | GERN | A | 40,000 | · | · | 75,142 Direct | +113.82% | Acquired | (price as of 2026-10-05) |
| May 29, 2009 | GERN | A | 25,000 | · | · | 35,142 Direct | +246.50% | Acquired | (price as of 2026-10-05) |
| May 29, 2009 | GERN | S | 400 | $6.35 | $2,540 | 10,142 Direct | -3.79% | Disposed | -80.2% (price as of 2026-10-05) |
| May 26, 2009 | GERN | S | 2,864 | $6.75 | $19,332 | 10,542 Direct | -21.36% | Disposed | -81.3% (price as of 2026-10-05) |
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 20, 2011 | GERN | Employee Stock Option (right to buy) | Common Stock | $4.65 | May 20, 2021 | 50,000 | Acquired |
| May 19, 2010 | GERN | Employee Stock Option (right to buy) | Common Stock | $5.29 | May 19, 2020 | 50,000 | Acquired |
| May 29, 2009 | GERN | Stock Option (right to buy) | Common Stock | $6.52 | May 29, 2019 | 50,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 9 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 26, 2009 | GERN | Common Stock | 6,406 | Direct |
| Feb. 26, 2009 | GERN | Common Stock | 2,625 | Direct |
| Feb. 26, 2009 | GERN | Common Stock | 4,375 | Direct |
| Feb. 26, 2009 | GERN | Stock Option (right to buy) | 30,000 | Direct |
| Feb. 26, 2009 | GERN | Stock Option (right to buy) | 4,849 | Direct |
| Feb. 26, 2009 | GERN | Stock Option (right to buy) | 12,000 | Direct |
| Feb. 26, 2009 | GERN | Stock Option (right to buy) | 13,130 | Direct |
| Feb. 26, 2009 | GERN | Stock Option (right to buy) | 7,000 | Direct |
| Feb. 26, 2009 | GERN | Stock Option (right to buy) | 8,750 | Direct |