David Stefansky

Insider

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

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 2 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

2 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 27, 2021	NXGLW	A	9,091	$0.01	$91	9,091 Direct	—	Acquired	83.0% (price as of 2026-08-19)
Dec. 27, 2021	NXGLW	P	9,091	$5.49	$49,910	9,091 Direct	—	Acquired	-99.7% (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 (9,091)	$5.50	Dec. 26, 2026	9,091	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).