Cesar L Alvarez

CIK 1220297 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 7, 2013 · Latest: Jan. 16, 2026

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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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 86 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

86 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 13, 2026	PGEN	M	71,839	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 13, 2026	PGEN	M	71,839	—	—	782,909 Direct	+10.10%	Acquired	(price as of 2026-08-20)
March 10, 2026	PGEN	A	41,073	—	—	41,073 Direct	—	Acquired	(price as of 2026-08-20)
March 10, 2026	PGEN	A	35,612	—	—	35,612 Direct	—	Acquired	(price as of 2026-08-20)
March 10, 2026	PGEN	A	17,806	$3.51	$62,499	711,070 Direct	+2.57%	Acquired	100.0% (price as of 2026-08-20)
March 14, 2025	PGEN	M	87,412	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 14, 2025	PGEN	M	87,412	—	—	693,264 Direct	+14.43%	Acquired	(price as of 2026-08-20)
March 13, 2025	PGEN	A	83,517	—	—	83,517 Direct	—	Acquired	(price as of 2026-08-20)
March 13, 2025	PGEN	A	71,839	—	—	71,839 Direct	—	Acquired	(price as of 2026-08-20)
March 13, 2025	PGEN	A	35,919	$1.74	$62,499	605,852 Direct	+6.30%	Acquired	303.4% (price as of 2026-08-20)
March 5, 2025	WSO	A	1,500	$501.67	$752,505	1,500 Direct	—	Acquired	-37.4% (price as of 2026-08-20)
March 5, 2025	WSO	M	2,500	$175.07	$437,675	0 Direct	-100.00%	Disposed	79.3% (price as of 2026-08-20)
March 5, 2025	WSO	M	400	$175.07	$70,028	400 Direct	—	Acquired	79.3% (price as of 2026-08-20)
March 5, 2025	WSO	S	1,421	$500.00	$710,500	0 Direct	-100.00%	Disposed	-37.2% (price as of 2026-08-20)
March 5, 2025	WSO	M	1,421	$175.07	$248,774	0 Direct	—	Acquired	79.3% (price as of 2026-08-20)
March 5, 2025	WSO	S	679	$498.92	$338,767	0 Direct	-100.00%	Disposed	-37.1% (price as of 2026-08-20)
March 5, 2025	WSO	M	679	$175.07	$118,873	0 Direct	—	Acquired	79.3% (price as of 2026-08-20)
March 14, 2024	PGEN	A	101,626	—	—	101,626 Direct	—	Acquired	(price as of 2026-08-20)
March 14, 2024	PGEN	A	87,412	—	—	87,412 Direct	—	Acquired	(price as of 2026-08-20)
March 14, 2024	PGEN	A	43,706	$1.43	$62,500	569,933 Direct	+8.31%	Acquired	390.8% (price as of 2026-08-20)
March 9, 2024	PGEN	M	106,837	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 9, 2024	PGEN	M	106,837	—	—	526,227 Direct	+25.47%	Acquired	(price as of 2026-08-20)
Dec. 12, 2023	WSO	M	5,000	$160.69	$803,450	0 Direct	-100.00%	Disposed	95.4% (price as of 2026-08-20)
Dec. 12, 2023	WSO	S	5,000	$412.34	$2,061,700	0 Direct	-100.00%	Disposed	-23.9% (price as of 2026-08-20)
Dec. 12, 2023	WSO	M	5,000	$160.69	$803,450	0 Direct	—	Acquired	95.4% (price as of 2026-08-20)
May 22, 2023	WSO	M	4,000	$185.12	$740,480	0 Direct	—	Acquired	69.6% (price as of 2026-08-20)
May 22, 2023	WSO	S	4,000	$332.64	$1,330,560	0 Direct	-100.00%	Disposed	-5.6% (price as of 2026-08-20)
May 22, 2023	WSO	M	4,000	$185.12	$740,480	0 Direct	-100.00%	Disposed	69.6% (price as of 2026-08-20)
March 9, 2023	PGEN	A	125,489	—	—	125,489 Direct	—	Acquired	(price as of 2026-08-20)
March 9, 2023	PGEN	A	106,837	—	—	106,837 Direct	—	Acquired	(price as of 2026-08-20)
March 9, 2023	PGEN	A	53,418	$1.17	$62,499	419,390 Direct	+14.60%	Acquired	499.9% (price as of 2026-08-20)
Feb. 22, 2023	PGEN	M	61,576	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 22, 2023	PGEN	M	61,576	—	—	365,972 Direct	+20.23%	Acquired	(price as of 2026-08-20)
May 27, 2022	WSO	M	4,000	$143.86	$575,440	0 Direct	-100.00%	Disposed	118.2% (price as of 2026-08-20)
May 27, 2022	WSO	S	900	$255.29	$229,761	0 Direct	-100.00%	Disposed	23.0% (price as of 2026-08-20)
May 27, 2022	WSO	S	3,100	$253.05	$784,455	0 Direct	-100.00%	Disposed	24.1% (price as of 2026-08-20)
May 27, 2022	WSO	M	4,000	$143.86	$575,440	0 Direct	—	Acquired	118.2% (price as of 2026-08-20)
March 25, 2022	PGEN	M	16,212	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 25, 2022	PGEN	M	16,212	—	—	304,396 Direct	+5.63%	Acquired	(price as of 2026-08-20)
Feb. 22, 2022	PGEN	A	30,788	$2.03	$62,500	288,184 Direct	+11.96%	Acquired	245.8% (price as of 2026-08-20)
Feb. 22, 2022	PGEN	A	61,576	—	—	61,576 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 22, 2022	PGEN	A	83,189	—	—	83,189 Direct	—	Acquired	(price as of 2026-08-20)
March 25, 2021	PGEN	A	22,107	—	—	22,107 Direct	—	Acquired	(price as of 2026-08-20)
March 25, 2021	PGEN	A	16,212	—	—	16,212 Direct	—	Acquired	(price as of 2026-08-20)
March 25, 2021	PGEN	A	8,106	$7.71	$62,497	257,396 Direct	+3.25%	Acquired	-9.0% (price as of 2026-08-20)
March 13, 2021	PGEN	M	62,189	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 13, 2021	PGEN	M	62,189	—	—	249,290 Direct	+33.24%	Acquired	(price as of 2026-08-20)
March 3, 2021	PGEN	M	2,968	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 3, 2021	PGEN	M	2,968	$5.69	$16,888	187,101 Direct	+1.61%	Acquired	23.4% (price as of 2026-08-20)
June 23, 2020	PGEN	M	2,968	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 23, 2020	PGEN	M	2,968	$3.17	$9,409	184,133 Direct	+1.64%	Acquired	121.4% (price as of 2026-08-20)
June 1, 2020	WSO	A	2,500	$175.07	$437,675	2,500 Direct	—	Acquired	79.3% (price as of 2026-08-20)
March 13, 2020	PGEN	A	96,324	—	—	96,324 Direct	—	Acquired	(price as of 2026-08-20)
March 13, 2020	PGEN	A	62,189	—	—	62,189 Direct	—	Acquired	(price as of 2026-08-20)
March 13, 2020	PGEN	A	31,094	$2.01	$62,499	181,165 Direct	+20.72%	Acquired	249.2% (price as of 2026-08-20)
March 8, 2020	PGEN	M	24,703	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 8, 2020	PGEN	M	24,703	—	—	150,071 Direct	+19.70%	Acquired	(price as of 2026-08-20)
Feb. 13, 2020	MD	A	4,717	—	—	48,403 Direct	+10.80%	Acquired	(price as of 2026-08-20)
June 3, 2019	WSO	A	5,000	$160.69	$803,450	5,000 Direct	—	Acquired	95.4% (price as of 2026-08-20)
March 23, 2019	PGEN	M	7,911	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 23, 2019	PGEN	M	7,911	—	—	125,368 Direct	+6.74%	Acquired	(price as of 2026-08-20)
March 8, 2019	PGEN	A	42,450	—	—	42,450 Direct	—	Acquired	(price as of 2026-08-20)
March 8, 2019	PGEN	A	24,703	—	—	32,614 Direct	+312.26%	Acquired	(price as of 2026-08-20)
Feb. 19, 2019	PGEN	M	2,968	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 19, 2019	PGEN	M	2,968	$3.17	$9,409	117,817 Direct	+2.58%	Acquired	121.4% (price as of 2026-08-20)
Feb. 12, 2019	MD	A	3,699	—	—	43,686 Direct	+9.25%	Acquired	(price as of 2026-08-20)
May 4, 2018	MD	M	10,668	$27.72	$295,717	0 Direct	-100.00%	Disposed	-5.4% (price as of 2026-08-20)
May 4, 2018	MD	F	6,578	$44.95	$295,681	39,987 Direct	-14.13%	Disposed	-41.6% (price as of 2026-08-20)
May 4, 2018	MD	M	10,668	$27.72	$295,717	46,565 Direct	+29.72%	Acquired	-5.4% (price as of 2026-08-20)
March 23, 2018	PGEN	A	14,246	—	—	14,246 Direct	—	Acquired	(price as of 2026-08-20)
March 23, 2018	PGEN	A	7,911	—	—	7,911 Direct	—	Acquired	(price as of 2026-08-20)
March 16, 2018	JOE	P	700	$19.55	$13,685	4,700 Direct	+17.50%	Acquired	257.0% (price as of 2026-08-20)
March 12, 2018	JOE	P	300	$19.45	$5,835	4,000 Direct	+8.11%	Acquired	258.8% (price as of 2026-08-20)
March 9, 2018	JOE	P	400	$19.00	$7,600	3,700 Direct	+12.12%	Acquired	267.3% (price as of 2026-08-20)
March 8, 2018	JOE	P	500	$18.99	$9,495	3,300 Direct	+17.86%	Acquired	267.5% (price as of 2026-08-20)
March 7, 2018	JOE	P	2,800	$19.00	$53,200	2,800 Direct	—	Acquired	267.3% (price as of 2026-08-20)
March 1, 2018	MD	A	2,350	—	—	35,897 Direct	+7.01%	Acquired	(price as of 2026-08-20)
Feb. 20, 2018	PGEN	M	8,906	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 20, 2018	PGEN	M	8,906	$2.64	$23,512	114,849 Direct	+8.41%	Acquired	165.9% (price as of 2026-08-20)
Nov. 3, 2017	MD	S	10,668	$42.59	$454,350	33,547 Direct	-24.13%	Disposed	-38.4% (price as of 2026-08-20)
Nov. 1, 2017	MD	M	10,668	$32.33	$344,896	0 Direct	-100.00%	Disposed	-18.9% (price as of 2026-08-20)
Nov. 1, 2017	MD	M	10,668	$32.33	$344,896	44,215 Direct	+31.80%	Acquired	-18.9% (price as of 2026-08-20)
July 24, 2017	PGEN	J	68,573	—	—	105,583 Direct	+185.28%	Acquired	(price as of 2026-08-20)
June 1, 2017	MD	A	2,292	—	—	33,547 Direct	+7.33%	Acquired	(price as of 2026-08-20)
March 16, 2017	PGEN	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2016	MD	A	1,876	—	—	31,255 Direct	+6.39%	Acquired	(price as of 2026-08-20)
March 10, 2016	PGEN	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 8, 2015	MD	S	10,668	$81.00	$864,108	29,379 Direct	-26.64%	Disposed	-67.6% (price as of 2026-08-20)
Sept. 8, 2015	MD	M	10,668	$25.17	$268,514	0 Direct	-100.00%	Disposed	4.2% (price as of 2026-08-20)
Sept. 8, 2015	MD	M	10,668	$25.17	$268,514	40,047 Direct	+36.31%	Acquired	4.2% (price as of 2026-08-20)
June 1, 2015	MD	A	1,816	—	—	29,379 Direct	+6.59%	Acquired	(price as of 2026-08-20)
March 12, 2015	PGEN	A	1,579	$47.48	$74,971	37,010 Direct	+4.46%	Acquired	-85.2% (price as of 2026-08-20)
March 12, 2015	PGEN	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
June 1, 2014	MD	A	2,213	—	—	27,563 Direct	+8.73%	Acquired	(price as of 2026-08-20)
Nov. 25, 2013	MD	M	8,792	$37.82	$332,513	0 Direct	-100.00%	Disposed	38.7% (price as of 2026-08-20)
Nov. 25, 2013	MD	M	8,000	$37.30	$298,400	0 Direct	-100.00%	Disposed	40.7% (price as of 2026-08-20)
Nov. 25, 2013	MD	S	16,792	$110.53	$1,856,020	12,675 Direct	-56.99%	Disposed	-52.5% (price as of 2026-08-20)
Nov. 25, 2013	MD	M	8,792	$37.82	$332,513	29,467 Direct	+42.52%	Acquired	38.7% (price as of 2026-08-20)
Nov. 25, 2013	MD	M	8,000	$37.30	$298,400	20,675 Direct	+63.12%	Acquired	40.7% (price as of 2026-08-20)
Nov. 6, 2013	MD	M	8,000	$30.98	$247,840	0 Direct	-100.00%	Disposed	69.4% (price as of 2026-08-20)

Showing latest 100 of 135 transactions

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
March 13, 2026	PGEN	Restricted Stock Units	Common Stock (71,839)	—	—	71,839	Disposed
March 10, 2026	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (41,073)	$3.51	March 10, 2036	41,073	Acquired
March 10, 2026	PGEN	Restricted Stock Units	Common Stock (35,612)	—	—	35,612	Acquired
March 14, 2025	PGEN	Restricted Stock Units	Common Stock (87,412)	—	—	87,412	Disposed
March 13, 2025	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (83,517)	$1.74	March 13, 2035	83,517	Acquired
March 13, 2025	PGEN	Restricted Stock Units	Common Stock (71,839)	—	—	71,839	Acquired
March 5, 2025	WSO	Stock Option (right to buy)	Common stock (1,500)	$501.67	March 5, 2030	1,500	Acquired
March 5, 2025	WSO	Stock Option (right to buy)	Common stock (2,500)	$175.07	June 1, 2025	2,500	Disposed
March 14, 2024	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (101,626)	$1.43	March 14, 2034	101,626	Acquired
March 14, 2024	PGEN	Restricted Stock Units	Common Stock (87,412)	—	—	87,412	Acquired
March 9, 2024	PGEN	Restricted Stock Units	Common Stock (106,837)	—	—	106,837	Disposed
Dec. 12, 2023	WSO	Stock Option (right to buy)	Common Stock (5,000)	$160.69	June 3, 2024	5,000	Disposed
May 22, 2023	WSO	Stock Option (right to buy)	Common Stock (4,000)	$185.12	June 4, 2023	4,000	Disposed
March 9, 2023	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (125,489)	$1.17	March 9, 2033	125,489	Acquired
March 9, 2023	PGEN	Restricted Stock Units	Common Stock (106,837)	—	—	106,837	Acquired
Feb. 22, 2023	PGEN	Restricted Stock Units	Common Stock (61,576)	—	—	61,576	Disposed
May 27, 2022	WSO	Stock Option (right to buy)	Common Stock (4,000)	$143.86	June 5, 2022	4,000	Disposed
March 25, 2022	PGEN	Restricted Stock Units	Common Stock (16,212)	—	—	16,212	Disposed
Feb. 22, 2022	PGEN	Restricted Stock Units	Common Stock (61,576)	—	—	61,576	Acquired
Feb. 22, 2022	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (83,189)	$2.03	Feb. 22, 2032	83,189	Acquired
March 25, 2021	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (22,107)	$7.71	March 25, 2031	22,107	Acquired
March 25, 2021	PGEN	Restricted Stock Units	Common Stock (16,212)	—	—	16,212	Acquired
March 13, 2021	PGEN	Restricted Stock Units	Common Stock (62,189)	—	—	62,189	Disposed
March 3, 2021	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (2,968)	$5.69	March 7, 2021	2,968	Disposed
June 23, 2020	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (2,968)	$3.17	June 30, 2020	2,968	Disposed
June 1, 2020	WSO	Stock Option (right to buy)	Common Stock (2,500)	$175.07	June 1, 2025	2,500	Acquired
March 13, 2020	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (96,324)	$2.01	March 13, 2030	96,324	Acquired
March 13, 2020	PGEN	Restricted Stock Units	Common Stock (62,189)	—	—	62,189	Acquired
March 8, 2020	PGEN	Restricted Stock Units	Common Stock (24,703)	—	—	24,703	Disposed
June 3, 2019	WSO	Stock Option (right to buy)	Common Stock (5,000)	$160.69	June 3, 2024	5,000	Acquired
March 23, 2019	PGEN	Restricted Stock Units	Common Stock (7,911)	—	—	7,911	Disposed
March 8, 2019	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (42,450)	$5.06	March 8, 2029	42,450	Acquired
March 8, 2019	PGEN	Restricted Stock Units	Common Stock (24,703)	—	—	24,703	Acquired
Feb. 19, 2019	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (2,968)	$3.17	Feb. 20, 2019	2,968	Disposed
May 4, 2018	MD	Stock Options (Right to Buy)	Common Stock (10,668)	$27.72	May 23, 2018	10,668	Disposed
March 23, 2018	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (14,246)	$15.80	March 23, 2028	14,246	Acquired
March 23, 2018	PGEN	Restricted Stock Units	Common Stock (7,911)	—	—	7,911	Acquired
Feb. 20, 2018	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (8,906)	$2.64	Feb. 20, 2018	8,906	Disposed
Nov. 1, 2017	MD	Stock Options (Right to Buy)	Common Stock (10,668)	$32.33	Nov. 1, 2017	10,668	Disposed
March 16, 2017	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (15,000)	$21.38	March 16, 2027	15,000	Acquired
March 10, 2016	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (15,000)	$34.99	March 10, 2026	15,000	Acquired
Sept. 8, 2015	MD	Stock Options (Right to Buy)	Common Stock (10,668)	$25.17	May 6, 2016	10,668	Disposed
March 12, 2015	PGEN	Option to Purchase Common Stock (Right to Buy)	Common Stock (15,000)	$47.48	March 12, 2025	15,000	Acquired
Nov. 25, 2013	MD	Stock Options (Right to Buy)	Common Stock (8,792)	$37.82	May 6, 2019	8,792	Disposed
Nov. 25, 2013	MD	Stock Options (Right to Buy)	Common Stock (8,000)	$37.30	May 6, 2015	8,000	Disposed
Nov. 6, 2013	MD	Stock Options (Right to Buy)	Common Stock (8,000)	$30.98	May 20, 2014	8,000	Disposed
Feb. 20, 2013	MD	Stock Options (Right to Buy)	Common Stock (8,000)	$18.77	June 4, 2013	8,000	Disposed
Feb. 9, 2012	MD	Stock Options (Right to Buy)	Common Stock (6,000)	$19.45	May 14, 2012	6,000	Disposed
Aug. 17, 2011	MD	Stock Options (Right to Buy)	Common Stock (30,000)	$13.50	Oct. 30, 2011	30,000	Disposed
May 5, 2011	MD	Stock Options (Right to Buy)	Common Stock (4,140)	$72.50	May 5, 2021	4,140	Acquired
May 6, 2010	MD	Stock Options (Right to Buy)	Common Stock (4,961)	$58.71	May 6, 2020	4,961	Acquired
May 6, 2009	MD	Stock Options (Right to Buy)	Common Stock (8,792)	$37.82	May 6, 2019	8,792	Acquired
May 23, 2008	MD	Stock Options (Right to buy)	Common Stock (5,334)	$55.43	May 23, 2018	5,334	Acquired
Nov. 1, 2007	MD	Stock Options (Right to buy)	Common Stock (5,334)	$64.65	Nov. 1, 2017	5,334	Acquired
Nov. 1, 2007	MD	Stock Options (Right to buy)	Common Stock (5,334)	$64.65	Nov. 1, 2017	5,334	Acquired
Aug. 22, 2007	WSO	Stock Option (right to buy)	Common Stock (10,000)	$15.23	April 25, 2013	10,000	Disposed
Aug. 22, 2007	WSO	Stock Option (right to buy)	Common Stock (10,000)	$15.23	April 25, 2013	10,000	Disposed
Aug. 22, 2007	WSO	Stock Option (right to buy)	Common Stock (10,000)	$15.23	April 25, 2013	10,000	Disposed
Feb. 22, 2007	MD	Stock Options (Right to buy)	Common Stock	$16.31	March 18, 2007	10,000	Disposed
Feb. 21, 2007	WSO	Stock Option (right to buy)	Common Stock (5,063)	$18.75	May 30, 2007	5,063	Disposed
Feb. 21, 2007	WSO	Stock Option (right to buy)	Common Stock (5,063)	$18.75	May 30, 2007	5,063	Disposed
Feb. 21, 2007	WSO	Stock Option (right to buy)	Common Stock (5,063)	$18.75	May 30, 2007	5,063	Disposed
Feb. 21, 2007	WSO	Stock Option (right to buy)	Common Stock (5,062)	$18.75	May 30, 2007	5,062	Disposed
Feb. 21, 2007	WSO	Stock Option (right to buy)	Common Stock (5,062)	$18.75	May 30, 2007	5,062	Disposed
May 4, 2006	MD	Stock Options (Right to buy)	Common Stock (5,334)	$50.34	May 4, 2016	5,334	Acquired
May 6, 2005	MD	Stock Options (Right to buy)	Common Stock (4,000)	$74.60	May 6, 2015	4,000	Acquired
May 20, 2004	MD	Stock Options (Right to buy)	Common Stock (4,000)	$61.97	May 20, 2014	4,000	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
Aug. 7, 2013	PGEN	Common Stock	3,928	Direct
Aug. 7, 2013	PGEN	Option to Purchase Common Stock→ Common Stock (8,571)	8,571	Direct
Aug. 7, 2013	PGEN	Option to Purchase Common Stock→ Common Stock (2,857)	2,857	Direct
Aug. 7, 2013	PGEN	Option to Purchase Common Stock→ Common Stock (2,857)	2,857	Direct
Aug. 7, 2013	PGEN	Option to Purchase Common Stock→ Common Stock (2,857)	2,857	Direct
Aug. 7, 2013	PGEN	Option to Purchase Common Stock→ Common Stock (8,571)	8,571	Direct
Aug. 7, 2013	PGEN	Option to Purchase Common Stock→ Common Stock (2,857)	2,857	Direct
Aug. 7, 2013	PGEN	Option to Purchase Common Stock→ Common Stock (2,857)	2,857	Direct
Aug. 7, 2013	PGEN	Series E Convertible Preferred Stock→ Common Stock (28,837)	28,837	Direct