Melissa Kelly Behrs

Insider

First SEC filing: Feb. 14, 2012 · Latest: Feb. 4, 2021

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

GERN selling April 9, 2019

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 54 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

54 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 2, 2021	GERN	A	300,000	—	—	300,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 12, 2020	GERN	A	291,375	—	—	291,375 Direct	—	Acquired	(price as of 2026-08-21)
April 9, 2019	GERN	S 10b5-1	120,635	$2.00	$241,270	0 Direct	-100.00%	Disposed	-22.3% (price as of 2026-08-21)
Jan. 30, 2019	GERN	A	300,000	—	—	300,000 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 31, 2018	GERN	A	300,000	—	—	300,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 9, 2017	GERN	A	300,000	—	—	300,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 11, 2016	GERN	A	210,000	—	—	210,000 Direct	—	Acquired	(price as of 2026-08-21)
May 29, 2015	GERN	S	2,380	$3.84	$9,139	120,635 Direct	-1.93%	Disposed	-59.5% (price as of 2026-08-21)
March 13, 2015	GERN	A	210,000	—	—	210,000 Direct	—	Acquired	(price as of 2026-08-21)
June 30, 2014	GERN	D	20,000	—	—	123,015 Direct	-13.98%	Disposed	(price as of 2026-08-21)
May 29, 2014	GERN	S	4,826	$2.10	$10,135	143,015 Direct	-3.26%	Disposed	-21.7% (price as of 2026-08-21)
April 1, 2014	GERN	S	12,310	$2.13	$26,220	147,841 Direct	-7.69%	Disposed	-22.8% (price as of 2026-08-21)
Feb. 10, 2014	GERN	A	400,000	—	—	400,000 Direct	—	Acquired	(price as of 2026-08-21)
July 9, 2013	GERN	D	225,000	—	—	160,151 Direct	-58.42%	Disposed	(price as of 2026-08-21)
Feb. 12, 2013	GERN	A	300,000	—	—	300,000 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 17, 2013	GERN	S	28,292	$1.65	$46,682	0 Indirect	-100.00%	Disposed	-0.3% (price as of 2026-08-21)
Dec. 31, 2012	GERN	D	20,000	—	—	385,151 Direct	-4.94%	Disposed	(price as of 2026-08-21)
May 30, 2012	GERN	S	18,910	$1.37	$25,907	405,151 Direct	-4.46%	Disposed	20.1% (price as of 2026-08-21)
May 17, 2012	GERN	A	300,000	—	—	300,000 Direct	—	Acquired	(price as of 2026-08-21)
June 14, 2011	GERN	S	25,262	$4.28	$108,121	424,061 Direct	-5.62%	Disposed	-61.6% (price as of 2026-08-21)
May 24, 2011	GERN	S	2,975	$4.47	$13,298	449,323 Direct	-0.66%	Disposed	-63.2% (price as of 2026-08-21)
May 20, 2011	GERN	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-21)
May 20, 2011	GERN	A	20,000	—	—	452,298 Direct	+4.63%	Acquired	(price as of 2026-08-21)
May 20, 2011	GERN	A	20,000	—	—	432,298 Direct	+4.85%	Acquired	(price as of 2026-08-21)
May 20, 2011	GERN	A	26,250	—	—	412,298 Direct	+6.80%	Acquired	(price as of 2026-08-21)
May 20, 2011	GERN	A	25,000	—	—	386,048 Direct	+6.92%	Acquired	(price as of 2026-08-21)
July 9, 2010	GERN	A	90,000	—	—	361,048 Direct	+33.20%	Acquired	(price as of 2026-08-21)
July 9, 2010	GERN	A	15,000	—	—	271,048 Direct	+5.86%	Acquired	(price as of 2026-08-21)
July 9, 2010	GERN	A	15,000	—	—	256,048 Direct	+6.22%	Acquired	(price as of 2026-08-21)
July 9, 2010	GERN	A	105,000	—	—	241,048 Direct	+77.18%	Acquired	(price as of 2026-08-21)
June 2, 2010	GERN	S	10,617	$5.43	$57,650	136,048 Direct	-7.24%	Disposed	-69.7% (price as of 2026-08-21)
May 24, 2010	GERN	S	2,336	$5.11	$11,937	146,665 Direct	-1.57%	Disposed	-67.8% (price as of 2026-08-21)
May 19, 2010	GERN	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
May 19, 2010	GERN	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-21)
May 19, 2010	GERN	A	25,000	—	—	149,001 Direct	+20.16%	Acquired	(price as of 2026-08-21)
Jan. 14, 2010	GERN	I	2,652	$6.22	$16,495	2,652 Indirect	—	Acquired	-73.6% (price as of 2026-08-21)
May 29, 2009	GERN	A	20,000	$6.52	$130,400	476,096 Direct	+4.39%	Acquired	-74.8% (price as of 2026-08-21)
May 29, 2009	GERN	A	50,000	$6.52	$326,000	456,096 Direct	+12.31%	Acquired	-74.8% (price as of 2026-08-21)
May 29, 2009	GERN	A	40,000	—	—	124,001 Direct	+47.62%	Acquired	(price as of 2026-08-21)
May 29, 2009	GERN	A	25,000	—	—	84,001 Direct	+42.37%	Acquired	(price as of 2026-08-21)
May 29, 2009	GERN	S	2,277	$6.35	$14,459	59,001 Direct	-3.72%	Disposed	-74.1% (price as of 2026-08-21)
May 26, 2009	GERN	S	6,819	$6.75	$46,028	61,278 Direct	-10.01%	Disposed	-75.6% (price as of 2026-08-21)
Feb. 2, 2009	GERN	S	14,765	$8.12	$119,892	0 Indirect	-100.00%	Disposed	-79.7% (price as of 2026-08-21)
Jan. 23, 2009	GERN	I	2,985	$4.82	$14,388	14,765 Indirect	+25.34%	Acquired	-65.9% (price as of 2026-08-21)
Jan. 5, 2009	GERN	S	8,861	$4.90	$43,419	79,877 Direct	-9.99%	Disposed	-66.4% (price as of 2026-08-21)
Nov. 5, 2008	GERN	S	23,845	$4.05	$96,572	88,738 Direct	-21.18%	Disposed	-59.4% (price as of 2026-08-21)
May 28, 2008	GERN	A	14,167	$3.97	$56,243	420,263 Direct	+3.49%	Acquired	-58.6% (price as of 2026-08-21)
May 28, 2008	GERN	A	50,000	$3.97	$198,500	406,096 Direct	+14.04%	Acquired	-58.6% (price as of 2026-08-21)
May 28, 2008	GERN	A	25,000	—	—	112,583 Direct	+28.54%	Acquired	(price as of 2026-08-21)
May 23, 2008	GERN	F	6,702	$3.92	$26,272	87,583 Direct	-7.11%	Disposed	-58.0% (price as of 2026-08-21)
Jan. 4, 2008	GERN	S	8,911	$5.34	$47,585	94,285 Direct	-8.64%	Disposed	-69.2% (price as of 2026-08-21)
Jan. 2, 2008	GERN	I	2,705	$5.73	$15,500	11,780 Indirect	+29.81%	Acquired	-71.3% (price as of 2026-08-21)
May 23, 2007	GERN	A	50,000	$9.32	$466,000	356,096 Direct	+16.33%	Acquired	-82.3% (price as of 2026-08-21)
May 23, 2007	GERN	A	25,000	—	—	100,491 Direct	+33.12%	Acquired	(price as of 2026-08-21)
May 23, 2007	GERN	A	25,000	—	—	75,491 Direct	+49.51%	Acquired	(price as of 2026-08-21)
Jan. 3, 2007	GERN	I	1,712	$8.76	$14,997	50,491 Indirect	+3.51%	Acquired	-81.2% (price as of 2026-08-21)
Jan. 3, 2007	GERN	A	41,416	—	—	48,779 Direct	+562.49%	Acquired	(price as of 2026-08-21)
May 24, 2006	GERN	A	60,000	$6.63	$397,800	306,096 Direct	+24.38%	Acquired	-75.2% (price as of 2026-08-21)
Jan. 9, 2006	GERN	S	8,441	$8.56	$72,255	7,363 Direct	-53.41%	Disposed	-80.8% (price as of 2026-08-21)
Jan. 6, 2006	GERN	A	8,441	—	—	15,804 Direct	+114.64%	Acquired	(price as of 2026-08-21)
Jan. 6, 2006	GERN	I	1,647	$8.50	$14,000	7,363 Indirect	+28.81%	Acquired	-80.6% (price as of 2026-08-21)
July 29, 2005	GERN	M	19,532	$5.08	$99,223	246,096 Direct	-7.35%	Disposed	-67.6% (price as of 2026-08-21)
July 29, 2005	GERN	M	46,039	$3.76	$173,107	265,628 Direct	-14.77%	Disposed	-56.2% (price as of 2026-08-21)
July 29, 2005	GERN	S	19,532	$10.88	$212,508	5,716 Direct	-77.36%	Disposed	-84.9% (price as of 2026-08-21)
July 29, 2005	GERN	S	46,039	$10.88	$500,904	25,248 Direct	-64.58%	Disposed	-84.9% (price as of 2026-08-21)
July 29, 2005	GERN	M	19,532	$5.08	$99,223	71,287 Direct	+37.74%	Acquired	-67.6% (price as of 2026-08-21)
July 29, 2005	GERN	M	46,039	$3.76	$173,107	51,755 Direct	+805.44%	Acquired	-56.2% (price as of 2026-08-21)
May 6, 2005	GERN	A	60,000	$6.40	$384,000	311,667 Direct	+23.84%	Acquired	-74.3% (price as of 2026-08-21)
Jan. 13, 2005	GERN	S	8,648	$8.57	$74,113	5,716 Direct	-60.21%	Disposed	-80.8% (price as of 2026-08-21)
Jan. 12, 2005	GERN	I	1,472	$8.83	$12,998	5,716 Indirect	+34.68%	Acquired	-81.4% (price as of 2026-08-21)
Jan. 12, 2005	GERN	A	8,648	—	—	14,364 Direct	+151.29%	Acquired	(price as of 2026-08-21)
May 27, 2004	GERN	A	37,500	$7.56	$283,500	251,667 Direct	+17.51%	Acquired	-78.2% (price as of 2026-08-21)
April 6, 2004	GERN	S	2,029	$9.60	$19,478	4,244 Direct	-32.34%	Disposed	-82.9% (price as of 2026-08-21)
Jan. 5, 2004	GERN	A	2,029	—	—	6,273 Direct	+47.81%	Acquired	(price as of 2026-08-21)
Jan. 5, 2004	GERN	I	1,188	$10.10	$11,999	4,244 Indirect	+38.87%	Acquired	-83.7% (price as of 2026-08-21)

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
Feb. 2, 2021	GERN	Employee Stock Option (Right to buy)	Common Stock (300,000)	$2.06	Feb. 1, 2031	300,000	Acquired
Feb. 12, 2020	GERN	Employee Stock Option (right to buy)	Common Stock (291,375)	$1.30	Feb. 11, 2030	291,375	Acquired
Jan. 30, 2019	GERN	Employee Stock Option (right to buy)	Common Stock (300,000)	$1.03	Jan. 29, 2029	300,000	Acquired
Jan. 31, 2018	GERN	Employee Stock Option (right to buy)	Common Stock (300,000)	$2.45	Jan. 31, 2028	300,000	Acquired
Feb. 9, 2017	GERN	Employee Stock Option (right to buy)	Common Stock (300,000)	$2.15	Feb. 9, 2027	300,000	Acquired
Feb. 11, 2016	GERN	Employee Stock Option (right to buy)	Common Stock (210,000)	$2.54	Feb. 11, 2026	210,000	Acquired
March 13, 2015	GERN	Employee Stock Option (right to buy)	Common Stock (210,000)	$4.34	March 13, 2025	210,000	Acquired
Feb. 10, 2014	GERN	Employee Stock Option (right to buy)	Common Stock (400,000)	$5.01	Feb. 10, 2024	400,000	Acquired
Feb. 12, 2013	GERN	Employee Stock Option (right to buy)	Common Stock (300,000)	$1.51	Feb. 12, 2023	300,000	Acquired
May 17, 2012	GERN	Employee Stock Option (right to buy)	Common Stock (300,000)	$1.41	May 17, 2022	300,000	Acquired
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 (10,000)	$5.29	May 19, 2020	10,000	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 (20,000)	$6.52	May 29, 2019	20,000	Acquired
May 29, 2009	GERN	Stock Option (right to buy)	Common Stock (50,000)	$6.52	May 29, 2019	50,000	Acquired
May 28, 2008	GERN	Stock Option (right to buy)	Common Stock (14,167)	$3.97	May 28, 2018	14,167	Acquired
May 28, 2008	GERN	Stock Oprtion (right to buy)	Common Stock (50,000)	$3.97	May 28, 2018	50,000	Acquired
May 23, 2007	GERN	Employee Stock Option (right to buy)	Common Stock (50,000)	$9.32	May 23, 2017	50,000	Acquired
May 24, 2006	GERN	Stock Option (right to buy)	Common Stock (60,000)	$6.63	May 24, 2016	60,000	Acquired
July 29, 2005	GERN	Stock Option (right to buy)	Common Stock (19,532)	$5.08	May 30, 2013	19,532	Disposed
July 29, 2005	GERN	Stock Option (right to buy)	Common Stock (46,039)	$3.76	Sept. 5, 2012	46,039	Disposed
May 6, 2005	GERN	Stock Option (right to buy)	Common Stock (60,000)	$6.40	May 6, 2015	60,000	Acquired
May 27, 2004	GERN	Stock Option (right to buy)	Common Stock (37,500)	$7.56	May 27, 2014	37,500	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

GERN

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2018	$400,000	—	—	$496,740	$169,200	—	$41,081	$1,107,021
2017	$386,500	—	—	$464,550	$189,600	—	$37,892	$1,078,542
2016	$373,400	—	—	—	$173,100	—	—	$967,917

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.