Robert L Van Nostrand

Insider

First SEC filing: Dec. 29, 2017 · Latest: Dec. 29, 2017

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 14 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

14 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 7, 2026	SLS	A	50,000	—	—	82,900 Direct	+151.98%	Acquired	(price as of 2026-08-20)
June 12, 2025	SLS	P	10,000	$1.48	$14,800	20,400 Direct	+96.15%	Acquired	829.1% (price as of 2026-08-20)
Jan. 10, 2025	SLS	A	18,500	—	—	18,500 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 10, 2025	SLS	A	12,500	—	—	22,900 Direct	+120.19%	Acquired	(price as of 2026-08-20)
Jan. 22, 2024	SLS	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 22, 2024	SLS	A	6,000	—	—	10,400 Direct	+136.36%	Acquired	(price as of 2026-08-20)
Feb. 2, 2023	SLS	A	9,500	—	—	9,500 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 2, 2023	SLS	A	2,500	—	—	4,400 Direct	+131.58%	Acquired	(price as of 2026-08-20)
Jan. 31, 2022	SLS	A	7,125	—	—	7,125 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 31, 2022	SLS	A	1,900	—	—	1,900 Direct	—	Acquired	(price as of 2026-08-20)
March 4, 2021	SLS	A	7,500	—	—	7,500 Direct	—	Acquired	(price as of 2026-08-20)
March 12, 2020	SLS	A	6,500	—	—	6,500 Direct	—	Acquired	(price as of 2026-08-20)
March 14, 2019	SLS	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-20)
June 12, 2018	SLS	A	5,500	—	—	5,500 Direct	—	Acquired	(price as of 2026-08-20)
March 13, 2018	SLS	A	11,000	—	—	11,000 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
Jan. 10, 2025	SLS	Stock Option (Right to Buy)	Common Stock (18,500)	$0.95	Jan. 10, 2035	18,500	Acquired
Jan. 22, 2024	SLS	Stock Option (Right to Buy)	Common Stock (10,000)	$0.52	Jan. 22, 2034	10,000	Acquired
Feb. 2, 2023	SLS	Stock Option (Right to Buy)	Common Stock (9,500)	$3.34	Feb. 2, 2033	9,500	Acquired
Jan. 31, 2022	SLS	Stock Option (Right to Buy)	Common Stock (7,125)	$5.34	Jan. 31, 2032	7,125	Acquired
March 4, 2021	SLS	Stock Option (Right to Buy)	Common Stock (7,500)	$8.00	March 4, 2031	7,500	Acquired
March 12, 2020	SLS	Stock Option (Right to Buy)	Common Stock (6,500)	$1.89	March 12, 2030	6,500	Acquired
March 14, 2019	SLS	Stock Option (Right to Buy)	Common Stock (25,000)	$1.38	March 14, 2029	25,000	Acquired
June 12, 2018	SLS	Stock Option (Right to Buy)	Common Stock (5,500)	$5.23	June 11, 2028	5,500	Acquired
March 13, 2018	SLS	Stock Option (Right to Buy)	Common Stock (11,000)	$5.24	March 12, 2028	11,000	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
Dec. 29, 2017	SLS	Common Stock	0	Direct