Enoch C Jen

Insider

First SEC filing: Jan. 31, 2012 · Latest: Jan. 31, 2012

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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

GNTX selling May 10, 2012

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 67 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

67 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 10, 2012	GNTX	M	7,237	$9.96	$72,081	7,238 Direct	-50.00%	Disposed	373.0% (price as of 2026-08-20)
May 10, 2012	GNTX	G	2,000	$23.18	$46,360	41,644 Direct	-4.58%	Disposed	103.2% (price as of 2026-08-20)
May 10, 2012	GNTX	S	7,237	$23.08	$167,030	43,644 Direct	-14.22%	Disposed	104.1% (price as of 2026-08-20)
May 10, 2012	GNTX	M	7,237	$9.96	$72,081	50,881 Direct	+16.58%	Acquired	373.0% (price as of 2026-08-20)
March 30, 2012	GNTX	S	10,800	$24.63	$266,004	43,644 Direct	-19.84%	Disposed	91.3% (price as of 2026-08-20)
March 27, 2012	GNTX	G	2,000	$24.84	$49,680	54,444 Direct	-3.54%	Disposed	89.7% (price as of 2026-08-20)
Dec. 2, 2011	GNTX	M	10,000	$14.00	$140,000	0 Direct	-100.00%	Disposed	236.5% (price as of 2026-08-20)
Dec. 2, 2011	GNTX	G	2,000	$30.89	$61,780	57,044 Direct	-3.39%	Disposed	52.5% (price as of 2026-08-20)
Dec. 2, 2011	GNTX	S	10,000	$30.80	$308,000	59,044 Direct	-14.48%	Disposed	53.0% (price as of 2026-08-20)
Dec. 2, 2011	GNTX	M	10,000	$14.00	$140,000	69,044 Direct	+16.94%	Acquired	236.5% (price as of 2026-08-20)
May 3, 2011	GNTX	G	2,000	$31.36	$62,720	59,044 Direct	-3.28%	Disposed	50.2% (price as of 2026-08-20)
May 3, 2011	GNTX	M	14,475	$9.96	$144,171	75,519 Direct	+23.71%	Acquired	373.0% (price as of 2026-08-20)
May 3, 2011	GNTX	S	14,475	$31.50	$455,962	61,044 Direct	-19.17%	Disposed	49.6% (price as of 2026-08-20)
May 3, 2011	GNTX	M	14,475	$9.96	$144,171	14,475 Direct	-50.00%	Disposed	373.0% (price as of 2026-08-20)
Feb. 11, 2011	GNTX	M	15,750	$16.25	$255,938	76,794 Direct	+25.80%	Acquired	189.9% (price as of 2026-08-20)
Feb. 11, 2011	GNTX	S	15,750	$31.84	$501,480	61,044 Direct	-20.51%	Disposed	48.0% (price as of 2026-08-20)
Feb. 11, 2011	GNTX	M	15,750	$16.25	$255,938	10,500 Direct	-60.00%	Disposed	189.9% (price as of 2026-08-20)
Feb. 7, 2011	GNTX	G	1,962	$31.22	$61,254	61,044 Direct	-3.11%	Disposed	50.9% (price as of 2026-08-20)
Dec. 8, 2010	GNTX	M	38,400	$21.10	$810,240	0 Direct	-100.00%	Disposed	123.3% (price as of 2026-08-20)
Dec. 8, 2010	GNTX	S	38,400	$29.82	$1,145,088	65,006 Direct	-37.14%	Disposed	58.0% (price as of 2026-08-20)
Dec. 8, 2010	GNTX	M	38,400	$21.10	$810,240	103,406 Direct	+59.07%	Acquired	123.3% (price as of 2026-08-20)
Nov. 5, 2010	GNTX	M	12,938	$15.93	$206,102	0 Direct	-100.00%	Disposed	195.7% (price as of 2026-08-20)
Nov. 5, 2010	GNTX	G	2,000	$21.77	$43,540	65,006 Direct	-2.98%	Disposed	116.4% (price as of 2026-08-20)
Nov. 5, 2010	GNTX	S	8,012	$21.74	$174,181	67,006 Direct	-10.68%	Disposed	116.7% (price as of 2026-08-20)
Nov. 5, 2010	GNTX	S	12,938	$21.78	$281,790	75,018 Direct	-14.71%	Disposed	116.3% (price as of 2026-08-20)
Nov. 5, 2010	GNTX	M	12,938	$15.93	$206,102	87,956 Direct	+17.25%	Acquired	195.7% (price as of 2026-08-20)
April 26, 2010	GNTX	M	27,462	$15.93	$437,470	0 Direct	-100.00%	Disposed	195.7% (price as of 2026-08-20)
April 26, 2010	GNTX	G	2,000	$22.04	$44,080	75,018 Direct	-2.60%	Disposed	113.8% (price as of 2026-08-20)
April 26, 2010	GNTX	S	27,462	$22.01	$604,439	77,018 Direct	-26.28%	Disposed	114.0% (price as of 2026-08-20)
April 26, 2010	GNTX	M	27,462	$15.93	$437,470	104,480 Direct	+35.66%	Acquired	195.7% (price as of 2026-08-20)
March 31, 2010	GNTX	A	30,400	$19.42	$590,368	30,400 Direct	—	Acquired	142.6% (price as of 2026-08-20)
March 31, 2010	GNTX	A	12,960	—	—	77,018 Direct	+20.23%	Acquired	(price as of 2026-08-20)
March 8, 2010	GNTX	M	15,000	$14.00	$210,000	10,000 Direct	-60.00%	Disposed	236.5% (price as of 2026-08-20)
March 8, 2010	GNTX	G	2,000	$20.61	$41,220	64,058 Direct	-3.03%	Disposed	128.6% (price as of 2026-08-20)
March 8, 2010	GNTX	S	8,012	$20.40	$163,445	66,058 Direct	-10.82%	Disposed	130.9% (price as of 2026-08-20)
March 8, 2010	GNTX	S	15,000	$20.38	$305,700	74,070 Direct	-16.84%	Disposed	131.2% (price as of 2026-08-20)
March 8, 2010	GNTX	M	15,000	$14.00	$210,000	89,070 Direct	+20.25%	Acquired	236.5% (price as of 2026-08-20)
Feb. 11, 2010	GNTX	S	8,002	$18.71	$149,717	74,070 Direct	-9.75%	Disposed	151.8% (price as of 2026-08-20)
Feb. 9, 2010	GNTX	M	7,320	$12.82	$93,842	0 Direct	-100.00%	Disposed	267.5% (price as of 2026-08-20)
Feb. 9, 2010	GNTX	G	2,000	$18.68	$37,360	82,072 Direct	-2.38%	Disposed	152.2% (price as of 2026-08-20)
Feb. 9, 2010	GNTX	S	6,602	$18.64	$123,061	84,072 Direct	-7.28%	Disposed	152.7% (price as of 2026-08-20)
Feb. 9, 2010	GNTX	S	7,320	$18.60	$136,152	90,674 Direct	-7.47%	Disposed	153.3% (price as of 2026-08-20)
Feb. 9, 2010	GNTX	M	7,320	$12.82	$93,842	97,994 Direct	+8.07%	Acquired	267.5% (price as of 2026-08-20)
March 31, 2009	GNTX	A	28,950	$9.96	$288,342	28,950 Direct	—	Acquired	373.0% (price as of 2026-08-20)
March 28, 2008	GNTX	A	27,570	$17.00	$468,690	27,570 Direct	—	Acquired	177.1% (price as of 2026-08-20)
Oct. 26, 2007	GNTX	M	29,280	$12.82	$375,370	7,320 Direct	-80.00%	Disposed	267.5% (price as of 2026-08-20)
Oct. 26, 2007	GNTX	S	29,280	$21.39	$626,299	98,774 Direct	-22.87%	Disposed	120.3% (price as of 2026-08-20)
Oct. 26, 2007	GNTX	M	29,280	$12.82	$375,370	128,054 Direct	+29.64%	Acquired	267.5% (price as of 2026-08-20)
July 26, 2007	GNTX	M	6,602	$12.50	$82,525	0 Direct	-100.00%	Disposed	276.9% (price as of 2026-08-20)
July 26, 2007	GNTX	M	6,602	$12.50	$82,525	98,774 Direct	+7.16%	Acquired	276.9% (price as of 2026-08-20)
June 19, 2007	GNTX	M	26,836	$14.75	$395,831	7,964 Direct	-77.11%	Disposed	219.4% (price as of 2026-08-20)
June 19, 2007	GNTX	S	26,836	$20.01	$536,988	92,172 Direct	-22.55%	Disposed	135.4% (price as of 2026-08-20)
June 19, 2007	GNTX	M	26,836	$14.75	$395,831	119,008 Direct	+29.12%	Acquired	219.4% (price as of 2026-08-20)
June 5, 2007	GNTX	G	300	$17.95	$5,385	92,172 Direct	-0.32%	Disposed	162.5% (price as of 2026-08-20)
May 8, 2007	GNTX	S	3,300	$18.85	$62,205	92,472 Direct	-3.45%	Disposed	149.9% (price as of 2026-08-20)
May 7, 2007	GNTX	S	11,700	$18.90	$221,130	95,772 Direct	-10.89%	Disposed	149.3% (price as of 2026-08-20)
May 4, 2007	GNTX	G	6,000	$18.65	$111,900	107,472 Direct	-5.29%	Disposed	152.6% (price as of 2026-08-20)
March 30, 2007	GNTX	A	26,250	$16.25	$426,562	26,250 Direct	—	Acquired	189.9% (price as of 2026-08-20)
March 30, 2007	GNTX	A	10,800	—	—	113,472 Direct	+10.52%	Acquired	(price as of 2026-08-20)
Feb. 1, 2007	GNTX	G	1,000	$17.59	$17,590	102,672 Direct	-0.96%	Disposed	167.8% (price as of 2026-08-20)
June 30, 2006	GNTX	A	25,000	$14.00	$350,000	25,000 Direct	—	Acquired	236.5% (price as of 2026-08-20)
Feb. 9, 2006	GNTX	G	200	$17.18	$3,436	106,672 Direct	-0.19%	Disposed	174.2% (price as of 2026-08-20)
Dec. 16, 2005	GNTX	M	26,398	$12.50	$329,975	6,602 Direct	-79.99%	Disposed	276.9% (price as of 2026-08-20)
Dec. 16, 2005	GNTX	G	4,000	$19.25	$77,000	108,232 Direct	-3.56%	Disposed	144.7% (price as of 2026-08-20)
Dec. 16, 2005	GNTX	M	26,398	$19.04	$502,618	112,232 Direct	-19.04%	Disposed	147.4% (price as of 2026-08-20)
Dec. 16, 2005	GNTX	M	26,398	$12.50	$329,975	138,630 Direct	+23.52%	Acquired	276.9% (price as of 2026-08-20)
June 14, 2005	GNTX	G	1,360	$18.04	$24,534	106,872 Direct	-1.26%	Disposed	161.2% (price as of 2026-08-20)
March 30, 2005	GNTX	A	20,200	$31.86	$643,572	20,200 Direct	—	Acquired	195.7% (price as of 2026-08-20)
March 10, 2005	GNTX	G	100	$33.00	$3,300	56,116 Direct	-0.18%	Disposed	185.5% (price as of 2026-08-20)
March 2, 2005	GNTX	M	4,001	$21.38	$85,541	56,216 Direct	+7.66%	Acquired	340.7% (price as of 2026-08-20)
March 2, 2005	GNTX	M	4,001	$21.38	$85,541	0 Direct	-100.00%	Disposed	340.7% (price as of 2026-08-20)
June 17, 2004	GNTX	G	500	$38.05	$19,025	43,215 Direct	-1.14%	Disposed	147.6% (price as of 2026-08-20)
March 26, 2004	GNTX	A	19,200	$42.20	$810,240	19,200 Direct	—	Acquired	123.3% (price as of 2026-08-20)
March 26, 2004	GNTX	A	9,000	—	—	52,715 Direct	+20.59%	Acquired	(price as of 2026-08-20)
March 26, 2004	GNTX	G	1,000	$42.15	$42,150	43,715 Direct	-2.24%	Disposed	123.5% (price as of 2026-08-20)
March 26, 2004	GNTX	A	19,200	$42.20	$810,240	19,200 Direct	—	Acquired	123.3% (price as of 2026-08-20)
March 26, 2004	GNTX	G	1,000	$42.15	$42,150	43,715 Direct	-2.24%	Disposed	123.5% (price as of 2026-08-20)
March 24, 2004	GNTX	G	100	$39.94	$3,994	44,715 Direct	-0.22%	Disposed	135.9% (price as of 2026-08-20)
March 24, 2004	GNTX	G	100	$39.94	$3,994	44,715 Direct	-0.22%	Disposed	135.9% (price as of 2026-08-20)
March 16, 2004	GNTX	G	500	$40.86	$20,430	44,815 Direct	-1.10%	Disposed	130.6% (price as of 2026-08-20)
March 16, 2004	GNTX	G	500	$40.86	$20,430	44,815 Direct	-1.10%	Disposed	130.6% (price as of 2026-08-20)
March 4, 2004	GNTX	M	8,012	$16.38	$131,237	0 Direct	-100.00%	Disposed	475.2% (price as of 2026-08-20)
March 4, 2004	GNTX	M	8,012	$16.38	$131,237	45,315 Direct	+21.48%	Acquired	475.2% (price as of 2026-08-20)
Nov. 26, 2003	GNTX	M	7,994	$16.38	$130,942	8,012 Direct	-49.94%	Disposed	475.2% (price as of 2026-08-20)
Nov. 26, 2003	GNTX	M	7,994	$16.38	$130,942	46,997 Direct	+20.50%	Acquired	475.2% (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 10, 2012	GNTX	Employee Stock Option (Right to Buy)	Common Stock (7,237)	$9.96	March 31, 2014	7,237	Disposed
Dec. 2, 2011	GNTX	Employee Stock Option (Right to Buy)	Common Stock (10,000)	$14.00	June 30, 2013	10,000	Disposed
May 3, 2011	GNTX	Employee Stock Option (Right to Buy)	Common Stock (14,475)	$9.96	March 31, 2014	14,475	Disposed
Feb. 11, 2011	GNTX	Employee Stock Option (Right to Buy)	Common Stock (15,750)	$16.25	March 30, 2014	15,750	Disposed
Dec. 8, 2010	GNTX	Employee Stock Option (Right to Buy)	Common Stock (38,400)	$21.10	March 26, 2011	38,400	Disposed
Nov. 5, 2010	GNTX	Employee Stock Option (Right to Buy)	Common Stock (12,938)	$15.93	March 30, 2012	12,938	Disposed
April 26, 2010	GNTX	Employee Stock Option (Right to Buy)	Common Stock (27,462)	$15.93	March 30, 2012	27,462	Disposed
March 31, 2010	GNTX	Employee Stock Option (Right to Buy)	Common Stock (30,400)	$19.42	March 31, 2015	30,400	Acquired
March 8, 2010	GNTX	Employee Stock Option (Right to Buy)	Common Stock (15,000)	$14.00	June 30, 2013	15,000	Disposed
Feb. 9, 2010	GNTX	Employee Stock Option (Right to Buy)	Common Stock (7,320)	$12.82	March 28, 2010	7,320	Disposed
March 31, 2009	GNTX	Employee Stock Option (Right to Buy)	Common Stock (28,950)	$9.96	March 31, 2014	28,950	Acquired
March 28, 2008	GNTX	Employee Stock Option (Right to Buy)	Common Stock (27,570)	$17.00	March 28, 2013	27,570	Acquired
Oct. 26, 2007	GNTX	Employee Stock Option (Right to Buy)	Common Stock (29,280)	$12.82	March 28, 2010	29,280	Disposed
July 26, 2007	GNTX	Employee Stock Option (Right to Buy)	Common Stock (6,602)	$12.50	March 27, 2008	6,602	Disposed
June 19, 2007	GNTX	Employee Stock Option (Right to Buy)	Common Stock (26,836)	$14.75	March 27, 2009	26,836	Disposed
March 30, 2007	GNTX	Employee Stock Option (Right to Buy)	Common Stock (26,250)	$16.25	March 30, 2014	26,250	Acquired
June 30, 2006	GNTX	Employee Stock Option (Right to Buy)	Common Stock (25,000)	$14.00	June 30, 2013	25,000	Acquired
Dec. 16, 2005	GNTX	Employee Stock Option (Right to Buy)	Common Stock (26,398)	$12.50	March 27, 2008	26,398	Disposed
March 30, 2005	GNTX	Employee Stock Option (Right to Buy)	Common Stock (20,200)	$31.86	March 30, 2012	20,200	Acquired
March 2, 2005	GNTX	Employee Stock Option (Right to Buy)	Common Stock (4,001)	$21.38	March 24, 2006	4,001	Disposed
March 26, 2004	GNTX	Employee Stock Option (Right to Buy)	Common Stock (19,200)	$42.20	March 26, 2011	19,200	Acquired
March 26, 2004	GNTX	Employee Stock Option (Right to Buy)	Common Stock (19,200)	$42.20	March 26, 2011	19,200	Acquired
March 4, 2004	GNTX	Employee Stock Option (Right to Buy)	Common Stock (8,012)	$16.38	March 27, 2005	8,012	Disposed
Nov. 26, 2003	GNTX	Employee Stock Option (Right to Buy)	Common Stock (7,994)	$16.38	—	7,994	Disposed

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.

GNTX

Senior VicePresident

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2011	—	—	—	—	—	—	—	—
2010	—	—	—	—	—	—	—	—
2009	—	—	—	—	—	—	—	—

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