Joseph Stanley Hull

Insider

First SEC filing: July 16, 2024 · Latest: July 16, 2024

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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.

Insider at

PTN buying July 1, 2021

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 32 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

32 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 15, 2024	PTN	A	12,000	—	—	42,272	—	—	(price as of 2026-08-20)
June 20, 2023	PTN	A	10,000	—	—	47,585	—	—	(price as of 2026-08-20)
June 23, 2022	PTN	A	73,000	—	—	980,967	—	—	(price as of 2026-08-20)
July 1, 2021	PTN	P	10,000	$0.61	$6,100	775,966	—	—	-98.6% (price as of 2026-08-20)
July 1, 2021	PTN	A	10,000	$0.61	$6,100	775,966	—	—	-98.6% (price as of 2026-08-20)
June 22, 2021	PTN	A	77,000	—	—	765,966	—	—	(price as of 2026-08-20)
June 16, 2020	PTN	A	73,000	—	—	622,383	—	—	(price as of 2026-08-20)
Aug. 5, 2019	PTN	P	800	$0.78	$627	520,799	—	—	-98.9% (price as of 2026-08-20)
June 24, 2019	PTN	A	32,000	—	—	515,333	—	—	(price as of 2026-08-20)
June 26, 2018	PTN	A	28,000	—	—	484,333	—	—	(price as of 2026-08-20)
Dec. 12, 2017	PTN	A	30,000	—	—	407,500	—	—	(price as of 2026-08-20)
June 20, 2017	PTN	A	54,000	—	—	381,500	—	—	(price as of 2026-08-20)
June 13, 2016	PTN	M	20,000	—	—	265,625 Direct	+8.14%	Acquired	(price as of 2026-08-20)
June 9, 2016	PTN	A	37,500	—	—	221,000 Direct	+20.44%	Acquired	(price as of 2026-08-20)
June 9, 2016	PTN	A	37,500	—	—	245,625 Direct	+18.02%	Acquired	(price as of 2026-08-20)
Dec. 8, 2015	PTN	A	50,000	—	—	246,666 Direct	+25.42%	Acquired	(price as of 2026-08-20)
Dec. 4, 2015	PTN	P	2,500	$0.66	$1,650	21,500 Direct	+13.16%	Acquired	-98.7% (price as of 2026-08-20)
Nov. 19, 2015	PTN	P	2,000	$0.65	$1,300	19,000 Direct	+11.76%	Acquired	-98.7% (price as of 2026-08-20)
June 25, 2015	PTN	M	15,000	—	—	185,832 Direct	+8.78%	Acquired	(price as of 2026-08-20)
June 11, 2015	PTN	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
June 11, 2015	PTN	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
June 25, 2014	PTN	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
June 25, 2014	PTN	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
June 27, 2013	PTN	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 24, 2012	PTN	P	2,000	$0.65	$1,300	2,000 Direct	—	Acquired	-98.7% (price as of 2026-08-20)
July 17, 2012	PTN	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
June 22, 2011	PTN	A	12,500	—	—	12,500 Direct	—	Acquired	(price as of 2026-08-20)
June 22, 2011	PTN	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
June 22, 2011	PTN	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
July 21, 2010	PTN	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2009	PTN	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2008	PTN	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2008	PTN	A	150,000	—	—	150,000 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2007	PTN	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2006	PTN	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 30, 2005	PTN	A	16,667	—	—	16,667 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 30, 2005	PTN	A	20,000	—	—	20,000 Direct	—	Acquired	(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
June 9, 2016	PTN	Stock Option (right to buy)	Common Stock (37,500)	$0.50	June 9, 2026	37,500	Acquired
June 11, 2015	PTN	restricted share units	common stock (20,000)	—	June 11, 2016	20,000	Acquired
June 11, 2015	PTN	stock option (right to buy)	common stock (20,000)	$1.08	June 11, 2025	20,000	Acquired
June 25, 2014	PTN	restricted share units	common stock (15,000)	—	June 25, 2015	15,000	Acquired
June 25, 2014	PTN	stock option (right to buy)	common stock (15,000)	$1.02	June 25, 2024	15,000	Acquired
June 27, 2013	PTN	stock option (right to buy)	common stock (30,000)	$0.62	June 27, 2023	30,000	Acquired
July 17, 2012	PTN	stock option (right to buy)	common stock (15,000)	$0.72	July 17, 2022	15,000	Acquired
June 22, 2011	PTN	stock option (right to buy)	common stock (12,500)	$0.86	June 22, 2021	12,500	Acquired
June 22, 2011	PTN	stock option (right to buy)	common stock (20,000)	$0.86	June 22, 2021	20,000	Acquired
June 22, 2011	PTN	stock option (right to buy)	common stock (40,000)	$0.86	June 22, 2021	40,000	Acquired
July 21, 2010	PTN	stock option (right to buy)	common stock (40,000)	$0.17	July 21, 2020	40,000	Acquired
July 1, 2009	PTN	stock option (right to buy)	common stock (40,000)	$0.28	July 1, 2019	40,000	Acquired
July 1, 2008	PTN	stock option (right to buy)	common stock (40,000)	$0.18	July 1, 2018	40,000	Acquired
July 1, 2008	PTN	stock option (right to buy)	common stock (150,000)	$0.18	July 1, 2018	150,000	Acquired
July 1, 2007	PTN	stock option (right to buy)	common stock (20,000)	$1.98	July 1, 2017	20,000	Acquired
July 1, 2006	PTN	stock option (right to buy)	common stock (20,000)	$2.00	July 1, 2016	20,000	Acquired
Aug. 30, 2005	PTN	stock option (right to buy)	common stock (16,667)	$1.94	Aug. 30, 2015	16,667	Acquired
Aug. 30, 2005	PTN	stock option (right to buy)	common stock (20,000)	$1.94	Aug. 30, 2015	20,000	Acquired

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