Nan Li

Insider

First SEC filing: April 9, 2020 · Latest: April 9, 2020

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 11 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

11 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 16, 2020	GURE	S	5,195	$0.65	$3,377	0 Direct	-100.00%	Disposed	-89.8% (price as of 2026-08-20)
Dec. 3, 2018	GURE	A	12,500	—	—	37,500 Direct	+50.00%	Acquired	(price as of 2026-08-20)
Nov. 18, 2015	GURE	S	10,001	$1.70	$17,002	0 Direct	-100.00%	Disposed	-96.1% (price as of 2026-08-20)
June 9, 2015	GURE	F	12,500	—	—	12,500 Direct	-50.00%	Disposed	(price as of 2026-08-20)
June 9, 2015	GURE	F	12,500	—	—	25,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
June 9, 2015	GURE	C	4,946	$1.39	$6,875	10,001 Direct	+97.84%	Acquired	-95.2% (price as of 2026-08-20)
June 9, 2015	GURE	C	5,055	$1.37	$6,925	5,055 Direct	—	Acquired	-95.1% (price as of 2026-08-20)
Nov. 10, 2014	GURE	A	12,500	—	—	25,000 Direct	+100.00%	Acquired	(price as of 2026-08-20)
Nov. 10, 2014	GURE	A	12,500	—	—	37,500 Direct	+50.00%	Acquired	(price as of 2026-08-20)
Nov. 8, 2013	GURE	A	12,500	—	—	37,500 Direct	+50.00%	Acquired	(price as of 2026-08-20)
Nov. 8, 2012	GURE	A	12,500	—	—	37,500 Direct	+50.00%	Acquired	(price as of 2026-08-20)
Nov. 8, 2011	GURE	A	12,500	—	—	25,000 Direct	+100.00%	Acquired	(price as of 2026-08-20)
Nov. 8, 2010	GURE	A	12,500	—	—	12,500 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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Dec. 3, 2018	GURE	Common Stock, par value $0.0005 per share	Common Stock (12,500)	$0.71	Dec. 2, 2021	12,500	Acquired
June 9, 2015	GURE	Common Stock, par value $0.0005 per share	Common Stock (12,500)	$1.39	Nov. 9, 2017	12,500	Disposed
June 9, 2015	GURE	Common Stock, par value $0.0005 per share	Common Stock (12,500)	$1.37	Nov. 11, 2015	12,500	Disposed
Nov. 10, 2014	GURE	Option to purchase Common Stock, par value $0.0005 per share	Common Stock (12,500)	$1.88	Nov. 9, 2018	12,500	Acquired
Nov. 10, 2014	GURE	Option to purchase Common Stock, par value $0.0005 per share	Common Stock (12,500)	$1.39	Nov. 9, 2017	12,500	Acquired
Nov. 8, 2013	GURE	Option to purchase Common Stock, par value $0.0005 per share	Common Stock (12,500)	$2.12	Nov. 7, 2016	12,500	Acquired
Nov. 8, 2012	GURE	Option to purchase Common Stock, par value $0.0005 per share	Common Stock (12,500)	$1.37	Nov. 7, 2015	12,500	Acquired
Nov. 8, 2011	GURE	Option to purchase Common Stock, par value $0.0005 per share	Common Stock (12,500)	$2.41	Nov. 7, 2014	12,500	Acquired
Nov. 8, 2010	GURE	Option to purchase Common Stock, par value $0.0005 per share	Common Stock (12,500)	$10.43	Nov. 7, 2013	12,500	Acquired

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