Leonard B Schlemm

Insider

First SEC filing: March 23, 2015 · Latest: March 23, 2015

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 1 non-open-market transaction 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

1 other filing hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 27, 2017	NEXT	A	1,607	—	—	1,607 Direct	—	Acquired	(price as of 2026-08-20)
March 27, 2015	NEXT	S	7,600	—	—	59,900 Direct	-11.26%	Disposed	(price as of 2026-08-20)
March 27, 2015	NEXT	S	7,600	—	—	59,900 Direct	-11.26%	Disposed	(price as of 2026-08-20)
July 3, 2008	PRIM	P	73,884	$7.90	$583,684	129,132 Direct	+133.73%	Acquired	912.4% (price as of 2026-08-20)
July 1, 2008	PRIM	P	1,116	$7.89	$8,805	55,248 Direct	+2.06%	Acquired	913.7% (price as of 2026-08-20)
June 17, 2008	PRIM	P	13,500	$8.20	$110,700	54,132 Direct	+33.23%	Acquired	875.4% (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
March 27, 2017	NEXT	Convertible Promissory Note	Units [F3] (1,607)	—	—	1,607	Acquired
March 27, 2015	NEXT	Redeemable Warrant [F1]	Common Stock (7,600)	$11.50	—	7,600	Disposed

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
March 23, 2015	NEXT	Common Stock	119,800	Direct
March 23, 2015	NEXT	Common Stock [F1]	67,500	Direct
March 23, 2015	NEXT	Redeemable Warrant [F1]→ Common Stock (67,500)	67,500	Direct
Oct. 3, 2006	PRIM	Common Stock	40,632	Direct
Oct. 3, 2006	PRIM	Warrants [F1]→ Common Stock (68,182)	68,182	Direct