POLINSKY DOUGLAS MICHAEL

Activist

First SEC filing: Aug. 4, 2025 · Latest: Aug. 4, 2025

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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 + 18 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

18 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 23, 2022	SUIG	A	250,000	—	—	250,000 Direct	—	Acquired	(price as of 2026-08-19)
Nov. 23, 2022	SUIG	A	250,000	$2.12	$530,000	512,763 Direct	+95.14%	Acquired	-58.4% (price as of 2026-08-19)
Sept. 20, 2022	SUIG	A	5,784	$2.23	$12,898	262,763 Direct	+2.25%	Acquired	-60.5% (price as of 2026-08-19)
Sept. 20, 2022	SUIG	A	11,210	$2.23	$24,998	268,189 Direct	+4.36%	Acquired	-60.5% (price as of 2026-08-19)
Sept. 15, 2022	SUIG	P	85	$2.78	$236	256,979 Direct	+0.03%	Acquired	-68.3% (price as of 2026-08-19)
Sept. 15, 2022	SUIG	P	200	$2.75	$550	256,894 Direct	+0.08%	Acquired	-67.9% (price as of 2026-08-19)
Sept. 15, 2022	SUIG	P	529	$2.73	$1,444	256,694 Direct	+0.21%	Acquired	-67.7% (price as of 2026-08-19)
Sept. 14, 2022	SUIG	P	8,819	$2.85	$25,134	256,165 Direct	+3.57%	Acquired	-69.1% (price as of 2026-08-19)
Sept. 14, 2022	SUIG	P	1,181	$2.80	$3,307	247,346 Direct	+0.48%	Acquired	-68.5% (price as of 2026-08-19)
Aug. 19, 2022	SUIG	P	27	$3.08	$83	246,165 Direct	+0.01%	Acquired	-71.4% (price as of 2026-08-19)
Aug. 18, 2022	SUIG	P	160	$2.97	$475	246,138 Direct	+0.07%	Acquired	-70.3% (price as of 2026-08-19)
Aug. 18, 2022	SUIG	P	2,342	$3.00	$7,026	245,978 Direct	+0.96%	Acquired	-70.6% (price as of 2026-08-19)
Aug. 18, 2022	SUIG	P	3,000	$3.05	$9,150	243,636 Direct	+1.25%	Acquired	-71.1% (price as of 2026-08-19)
April 11, 2022	SUIG	A	10,000	—	—	538,705 Direct	+1.89%	Acquired	(price as of 2026-08-19)
Sept. 14, 2020	SUIG	P	100,000	$0.43	$43,000	528,705 Direct	+23.33%	Acquired	105.0% (price as of 2026-08-19)
Aug. 25, 2020	SUIG	A	50,000	$0.61	$30,500	428,705 Direct	+13.20%	Acquired	44.5% (price as of 2026-08-19)
Aug. 7, 2020	SUIG	P	10,000	$0.60	$6,000	378,705 Direct	+2.71%	Acquired	46.9% (price as of 2026-08-19)
Aug. 5, 2020	SUIG	P	5,000	$0.58	$2,900	368,705 Direct	+1.37%	Acquired	52.0% (price as of 2026-08-19)
June 15, 2020	SUIG	P	3,000	$0.56	$1,680	363,705 Direct	+0.83%	Acquired	57.4% (price as of 2026-08-19)
June 12, 2020	SUIG	P	89,210	$0.40	$35,684	360,705 Direct	+32.86%	Acquired	120.4% (price as of 2026-08-19)
June 5, 2020	SUIG	P	2,000	$0.56	$1,120	271,495 Direct	+0.74%	Acquired	57.4% (price as of 2026-08-19)
May 28, 2020	SUIG	P	7,100	$0.62	$4,402	269,495 Direct	+2.71%	Acquired	42.2% (price as of 2026-08-19)
Dec. 16, 2019	SUIG	P	4,546	$1.10	$5,001	262,395 Direct	+1.76%	Acquired	-19.9% (price as of 2026-08-19)
Dec. 16, 2019	SUIG	P	19,485	$0.50	$9,742	257,849 Direct	+8.17%	Acquired	76.3% (price as of 2026-08-19)
Nov. 21, 2019	SUIG	P	1,000	$0.60	$600	238,364 Direct	+0.42%	Acquired	46.9% (price as of 2026-08-19)
Nov. 20, 2019	SUIG	P	4,000	$0.55	$2,200	237,364 Direct	+1.71%	Acquired	60.3% (price as of 2026-08-19)
May 17, 2018	SUIG	P	30,000	$0.55	$16,500	233,364 Direct	+14.75%	Acquired	60.3% (price as of 2026-08-19)
Nov. 27, 2017	SUIG	P	16,000	$0.70	$11,200	203,364 Direct	+8.54%	Acquired	25.9% (price as of 2026-08-19)
Aug. 17, 2017	SUIG	P	1,000	$0.72	$720	187,364 Direct	+0.54%	Acquired	22.4% (price as of 2026-08-19)
Aug. 16, 2017	SUIG	P	3,700	$0.65	$2,405	186,364 Direct	+2.03%	Acquired	35.6% (price as of 2026-08-19)
Dec. 13, 2016	SUIG	P	2,500	$0.30	$750	182,664 Direct	+1.39%	Acquired	193.8% (price as of 2026-08-19)
Dec. 10, 2012	SUIG	A	6,000	—	—	180,164 Direct	+3.45%	Acquired	(price as of 2026-08-19)
Dec. 10, 2012	SUIG	J	5,900	$1.00	$5,900	174,164 Direct	+3.51%	Acquired	-11.9% (price as of 2026-08-19)
Dec. 10, 2012	SUIG	J	289,600	$1.00	$289,600	290,055 Indirect	+63648.35%	Acquired	-11.9% (price as of 2026-08-19)
Sept. 30, 2012	SUIG	A	9,081	—	—	168,264 Direct	+5.70%	Acquired	(price as of 2026-08-19)
June 30, 2012	SUIG	A	9,091	—	—	159,183 Direct	+6.06%	Acquired	(price as of 2026-08-19)
March 31, 2012	SUIG	A	5,455	—	—	150,092 Direct	+3.77%	Acquired	(price as of 2026-08-19)
Sept. 19, 2011	SUIG	G	270,000	—	—	980,000 Indirect	-21.60%	Disposed	(price as of 2026-08-19)
March 31, 2010	SUIG	A	60,000	—	—	763,500 Direct	+8.53%	Acquired	(price as of 2026-08-19)
Sept. 18, 2009	SUIG	P	5,000	$0.06	$300	5,000 Indirect	—	Acquired	33.6% (price as of 2026-08-19)
June 30, 2009	SUIG	A	300,000	—	—	503,500 Direct	+147.42%	Acquired	(price as of 2026-08-19)
Dec. 31, 2008	SUIG	A	16,000	—	—	203,500 Direct	+8.53%	Acquired	(price as of 2026-08-19)
April 14, 2008	NOG	S	26,355	$9.60	$253,008	816,000 Direct	-3.13%	Disposed	-73.0% (price as of 2026-08-19)
April 11, 2008	NOG	S	50,000	$2.00	$100,000	1,427,500 Indirect	-3.38%	Disposed	29.8% (price as of 2026-08-19)
April 11, 2008	NOG	S	350,000	$2.00	$700,000	555,000 Indirect	-38.67%	Disposed	29.8% (price as of 2026-08-19)
April 11, 2008	NOG	S	1,234,000	$2.00	$2,468,000	842,355 Direct	-59.43%	Disposed	29.8% (price as of 2026-08-19)
April 11, 2008	NOG	S	23,645	$9.02	$213,278	2,076,345 Direct	-1.13%	Disposed	-71.2% (price as of 2026-08-19)
March 28, 2008	NOG	X	100,000	$1.05	$105,000	0 Direct	-100.00%	Disposed	147.1% (price as of 2026-08-19)
March 28, 2008	NOG	X	100,000	$1.05	$105,000	2,100,000 Direct	+5.00%	Acquired	147.1% (price as of 2026-08-19)

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
Nov. 23, 2022	SUIG	Non-qualified stock options [F4]	Common stock (250,000)	$2.12	Nov. 22, 2032	250,000	Acquired
March 28, 2008	NOG	Option to Purchase Common Stock [F1]	Common Stock (100,000)	$1.05	Dec. 15, 2016	100,000	Disposed

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

Initial ownership (Form 3) 8 holdings

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

Date	Ticker	Security	Shares	Ownership
Aug. 19, 2008	SUIG	Common Stock	187,500	Direct
Aug. 19, 2008	SUIG	Common Stock	1,250,000	Indirect
Aug. 19, 2008	SUIG	Common Stock	140,000	Indirect
March 29, 2007	NOG	Common Stock	2,000,000	Direct
March 29, 2007	NOG	Common Stock	1,477,500	Indirect
March 29, 2007	NOG	Common Stock	905,000	Indirect
March 29, 2007	NOG	Option to Purchase Common Stock→ Common Stock (50,000)	50,000	Direct
March 29, 2007	NOG	Option to Purchase Common Stock→ Common Stock (50,000)	50,000	Direct