Katharine E. Spink

Insider

First SEC filing: Feb. 26, 2009 · Latest: Feb. 14, 2012

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

GERN selling June 14, 2011

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 14 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

14 other filings hidden

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	-61.3% (price as of 2026-08-20)
May 24, 2011	GERN	S	419	$4.47	$1,873	351,152 Direct	-0.12%	Disposed	-63.0% (price as of 2026-08-20)
May 20, 2011	GERN	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-20)
May 20, 2011	GERN	A	5,000	—	—	351,571 Direct	+1.44%	Acquired	(price as of 2026-08-20)
May 20, 2011	GERN	A	5,000	—	—	346,571 Direct	+1.46%	Acquired	(price as of 2026-08-20)
May 20, 2011	GERN	A	25,000	—	—	341,571 Direct	+7.90%	Acquired	(price as of 2026-08-20)
July 9, 2010	GERN	A	90,000	—	—	316,571 Direct	+39.72%	Acquired	(price as of 2026-08-20)
July 9, 2010	GERN	A	35,000	—	—	226,571 Direct	+18.27%	Acquired	(price as of 2026-08-20)
July 9, 2010	GERN	A	90,000	—	—	191,571 Direct	+88.61%	Acquired	(price as of 2026-08-20)
July 9, 2010	GERN	A	10,000	—	—	101,571 Direct	+10.92%	Acquired	(price as of 2026-08-20)
June 2, 2010	GERN	S	8,186	$5.43	$44,450	91,571 Direct	-8.21%	Disposed	-69.5% (price as of 2026-08-20)
May 24, 2010	GERN	S	385	$5.11	$1,967	99,757 Direct	-0.38%	Disposed	-67.6% (price as of 2026-08-20)
May 19, 2010	GERN	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-20)
May 19, 2010	GERN	A	25,000	—	—	100,142 Direct	+33.27%	Acquired	(price as of 2026-08-20)
Jan. 14, 2010	GERN	I	2,652	$6.22	$16,495	2,652 Indirect	—	Acquired	-73.4% (price as of 2026-08-20)
May 29, 2009	GERN	A	50,000	$6.52	$326,000	125,729 Direct	+66.02%	Acquired	-74.6% (price as of 2026-08-20)
May 29, 2009	GERN	A	40,000	—	—	75,142 Direct	+113.82%	Acquired	(price as of 2026-08-20)
May 29, 2009	GERN	A	25,000	—	—	35,142 Direct	+246.50%	Acquired	(price as of 2026-08-20)
May 29, 2009	GERN	S	400	$6.35	$2,540	10,142 Direct	-3.79%	Disposed	-73.9% (price as of 2026-08-20)
May 26, 2009	GERN	S	2,864	$6.75	$19,332	10,542 Direct	-21.36%	Disposed	-75.5% (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 20, 2011	GERN	Employee Stock Option (right to buy)	Common Stock (50,000)	$4.65	May 20, 2021	50,000	Acquired
May 19, 2010	GERN	Employee Stock Option (right to buy)	Common Stock (50,000)	$5.29	May 19, 2020	50,000	Acquired
May 29, 2009	GERN	Stock Option (right to buy)	Common Stock (50,000)	$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)→ Common Stock (30,000)	30,000	Direct
Feb. 26, 2009	GERN	Stock Option (right to buy)→ Common Stock (4,849)	4,849	Direct
Feb. 26, 2009	GERN	Stock Option (right to buy)→ Common Stock (12,000)	12,000	Direct
Feb. 26, 2009	GERN	Stock Option (right to buy)→ Common Stock (13,130)	13,130	Direct
Feb. 26, 2009	GERN	Stock Option (right to buy)→ Common Stock (7,000)	7,000	Direct
Feb. 26, 2009	GERN	Stock Option (right to buy)→ Common Stock (8,750)	8,750	Direct