John K A Prendergast

CIK 1042019 · View on SEC EDGAR ↗

Insider

First SEC filing: Dec. 11, 2025 · Latest: Dec. 11, 2025

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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 49 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

49 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 3, 2026	PTN	Z	2,900	—	—	26,921 Direct	+12.07%	Acquired	(price as of 2026-08-20)
Dec. 9, 2025	PTN	A	1,300	—	—	15,102	—	—	(price as of 2026-08-20)
July 15, 2024	PTN	Z	23,000	$1.83	$42,090	63,310	—	—	-88.3% (price as of 2026-08-20)
July 15, 2024	PTN	A	16,000	—	—	63,310	—	—	(price as of 2026-08-20)
June 20, 2023	PTN	A	13,000	—	—	76,823	—	—	(price as of 2026-08-20)
June 22, 2022	PTN	A	99,000	—	—	1,639,684	—	—	(price as of 2026-08-20)
June 22, 2021	PTN	A	105,000	—	—	1,361,683	—	—	(price as of 2026-08-20)
June 16, 2020	PTN	A	99,000	—	—	1,165,350	—	—	(price as of 2026-08-20)
June 24, 2019	PTN	A	84,000	—	—	968,850	—	—	(price as of 2026-08-20)
June 26, 2018	PTN	A	56,000	—	—	904,183	—	—	(price as of 2026-08-20)
Dec. 12, 2017	PTN	A	60,000	—	—	750,517	—	—	(price as of 2026-08-20)
June 20, 2017	PTN	A	108,000	—	—	698,517	—	—	(price as of 2026-08-20)
June 13, 2016	PTN	M	40,000	—	—	466,767 Direct	+9.37%	Acquired	(price as of 2026-08-20)
June 9, 2016	PTN	A	75,000	—	—	388,750 Direct	+23.90%	Acquired	(price as of 2026-08-20)
June 9, 2016	PTN	A	75,000	—	—	426,767 Direct	+21.32%	Acquired	(price as of 2026-08-20)
Dec. 8, 2015	PTN	A	100,000	—	—	428,849 Direct	+30.41%	Acquired	(price as of 2026-08-20)
June 25, 2015	PTN	M	30,000	—	—	313,450 Direct	+10.58%	Acquired	(price as of 2026-08-20)
June 11, 2015	PTN	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
June 11, 2015	PTN	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
June 25, 2014	PTN	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
June 25, 2014	PTN	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
June 27, 2013	PTN	A	60,000	—	—	60,000 Direct	—	Acquired	(price as of 2026-08-20)
July 17, 2012	PTN	A	22,500	—	—	22,500 Direct	—	Acquired	(price as of 2026-08-20)
July 18, 2011	MNOV	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
July 18, 2011	MNOV	A	14,000	—	—	14,000 Direct	—	Acquired	(price as of 2026-08-20)
June 22, 2011	PTN	A	18,750	—	—	18,750 Direct	—	Acquired	(price as of 2026-08-20)
June 22, 2011	PTN	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
June 22, 2011	PTN	A	60,000	—	—	60,000 Direct	—	Acquired	(price as of 2026-08-20)
June 14, 2011	MNOV	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-20)
July 21, 2010	PTN	A	60,000	—	—	60,000 Direct	—	Acquired	(price as of 2026-08-20)
June 11, 2010	MNOV	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2009	PTN	A	60,000	—	—	60,000 Direct	—	Acquired	(price as of 2026-08-20)
June 12, 2009	MNOV	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2008	PTN	A	75,000	—	—	75,000 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2008	PTN	A	250,000	—	—	250,000 Direct	—	Acquired	(price as of 2026-08-20)
June 9, 2008	MNOV	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2007	PTN	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
April 2, 2007	MNOV	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 12, 2006	MNOV	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 19, 2006	PTN	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
May 11, 2006	MNOV	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 4, 2006	MNOV	A	100,000	—	—	100,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 4, 2006	MNOV	A	100,000	—	—	100,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 7, 2005	MNOV	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2005	PTN	A	21,000	—	—	46,000 Direct	+84.00%	Acquired	(price as of 2026-08-20)
July 1, 2005	PTN	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-20)
July 1, 2005	PTN	J	50,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 25, 2005	PTN	P	300	$2.06	$618	13,973 Direct	+2.19%	Acquired	-100.0% (price as of 2026-08-20)
May 25, 2005	PTN	P	3,700	$2.08	$7,696	17,673 Direct	+26.48%	Acquired	-100.0% (price as of 2026-08-20)
July 1, 2004	PTN	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-20)
July 16, 2003	PTN	A	50,000	—	—	50,000 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
Aug. 3, 2026	PTN	Stock Option (Right to Buy)	Common Stock (2,900)	$7.70	Aug. 3, 2037	2,900	Acquired
June 9, 2016	PTN	Stock Option (right to buy)	Common Stock (75,000)	$0.50	June 9, 2026	75,000	Acquired
June 11, 2015	PTN	restricted share units	common stock (40,000)	—	June 11, 2016	40,000	Acquired
June 11, 2015	PTN	stock option (right to buy)	common stock (40,000)	$1.08	June 11, 2025	40,000	Acquired
June 25, 2014	PTN	restricted share units	common stock (30,000)	—	June 25, 2015	30,000	Acquired
June 25, 2014	PTN	stock option (right to buy)	common stock (30,000)	$1.02	June 25, 2024	30,000	Acquired
June 27, 2013	PTN	stock option (right to buy)	common stock (60,000)	$0.62	June 27, 2023	60,000	Acquired
July 17, 2012	PTN	stock option (right to buy)	common stock (22,500)	$0.72	July 17, 2022	22,500	Acquired
July 18, 2011	MNOV	Stock Option (Right to Buy)	Common Stock (30,000)	$2.40	July 17, 2021	30,000	Acquired
July 18, 2011	MNOV	Stock Option (Right to Buy)	Common Stock (14,000)	$2.40	July 17, 2021	14,000	Acquired
June 22, 2011	PTN	stock option (right to buy)	common stock (18,750)	$0.86	June 22, 2021	18,750	Acquired
June 22, 2011	PTN	stock option (right to buy)	common stock (30,000)	$0.86	June 22, 2021	30,000	Acquired
June 22, 2011	PTN	stock option (right to buy)	common stock (60,000)	$0.86	June 22, 2021	60,000	Acquired
June 14, 2011	MNOV	Stock Option (Right to Buy)	Common Stock (1,000)	$2.28	June 13, 2011	1,000	Acquired
July 21, 2010	PTN	stock option (right to buy)	common stock (60,000)	$0.17	July 21, 2020	60,000	Acquired
June 11, 2010	MNOV	Stock Option (right to buy)	Common Stock (1,000)	$5.13	June 10, 2020	1,000	Acquired
July 1, 2009	PTN	stock option (right to buy)	common stock (60,000)	$0.28	July 1, 2019	60,000	Acquired
June 12, 2009	MNOV	Stock Option (right to buy)	Common Stock (1,000)	$2.77	June 11, 2019	1,000	Acquired
July 1, 2008	PTN	stock option (right to buy)	common stock (75,000)	$0.18	July 1, 2018	75,000	Acquired
July 1, 2008	PTN	stock option (right to buy)	common stock (250,000)	$0.18	July 1, 2018	250,000	Acquired
June 9, 2008	MNOV	Stock Option (right to buy)	Common Stock (1,000)	$4.52	June 8, 2018	1,000	Acquired
July 1, 2007	PTN	stock option (right to buy)	common stock (40,000)	$1.98	July 1, 2017	40,000	Acquired
April 2, 2007	MNOV	Stock Option (right to buy)	Common Stock (1,000)	$10.76	April 1, 2017	1,000	Acquired
Nov. 12, 2006	MNOV	Stock Option (right to buy)	Common Stock (20,000)	$9.73	Nov. 11, 2016	20,000	Acquired
Sept. 19, 2006	PTN	stock option (right to buy)	common stock (40,000)	$2.11	Sept. 19, 2016	40,000	Acquired
May 11, 2006	MNOV	Stock Option (right to buy)	Common Stock (10,000)	—	May 10, 2016	10,000	Acquired
Jan. 4, 2006	MNOV	Stock Option (right to buy)	Common Stock (100,000)	$1.16	Jan. 3, 2016	100,000	Acquired
Jan. 4, 2006	MNOV	Stock Option (right to buy)	Common Stock (100,000)	$1.16	Jan. 3, 2016	100,000	Acquired
Sept. 7, 2005	MNOV	Stock Option (right to buy)	Common Stock (10,000)	$1.65	Sept. 6, 2015	10,000	Acquired
July 1, 2005	PTN	stock option (right to buy)	common stock (21,000)	$1.75	July 1, 2015	21,000	Acquired
July 1, 2005	PTN	stock option (right to buy)	common stock (25,000)	$1.75	July 1, 2015	25,000	Acquired
July 1, 2005	PTN	stock option (right to buy)	common stock (50,000)	$4.21	—	50,000	Disposed
July 1, 2004	PTN	stock option (right to buy)	common stock (50,000)	$4.21	July 1, 2014	50,000	Acquired
July 16, 2003	PTN	stock option (right to buy)	common stock (50,000)	$3.24	July 16, 2013	50,000	Acquired

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

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Jan. 28, 2005	MNOV	Stock Option (right to buy)→ Common Stock (10,000)	10,000	Direct