Nachum Stein

Insider

First SEC filing: Oct. 2, 2019 · Latest: Oct. 2, 2019

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 3 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

3 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 25, 2022	NXGLW	P	5,000	$1.90	$9,500	481,358 Direct	+1.05%	Acquired	-99.0% (price as of 2026-08-19)
Dec. 27, 2021	NXGLW	A	28,000	$0.01	$280	28,000 Direct	—	Acquired	83.0% (price as of 2026-08-19)
Dec. 27, 2021	NXGLW	P	28,000	$5.49	$153,720	476,358 Direct	+6.25%	Acquired	-99.7% (price as of 2026-08-19)
May 29, 2020	NXGLW	J	3,187,500	$0.04	$127,500	4,822,500 Direct	+194.95%	Acquired	-54.3% (price as of 2026-08-19)
Feb. 17, 2020	NXGLW	A	2,857,141	—	—	2,857,141 Direct	—	Acquired	(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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Dec. 27, 2021	NXGLW	Warrant to Purchase Common Stock	Common Stock (28,000)	$5.50	Dec. 26, 2026	28,000	Acquired
Feb. 17, 2020	NXGLW	Option to Purchase Common Stock	Common Stock	—	Feb. 17, 2030	2,857,141	Acquired

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

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

Date	Ticker	Security	Shares	Ownership
Oct. 2, 2019	NXGLW	Common Stock	1,634,750	Direct