Beverley Brown

Insider

First SEC filing: April 11, 2022 · Latest: April 11, 2022

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 6 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

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 31, 2024	SMTK	A	100	—	—	100 Direct	—	Acquired	(price as of 2026-08-19)
July 8, 2022	SMTK	A	45,000	—	—	45,000 Direct	—	Acquired	(price as of 2026-08-19)
March 31, 2021	SMTK	A	186,601	—	—	186,601 Direct	—	Acquired	(price as of 2026-08-19)
March 31, 2021	SMTK	A	186,601	—	—	186,601 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 23, 2021	SMTK	A	178,086	—	—	178,086 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 23, 2021	SMTK	J	20,002	—	—	20,002 Indirect	—	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
July 8, 2022	SMTK	Stock option (right to buy)	Common Stock (45,000)	$2.00	July 8, 2032	45,000	Acquired
March 31, 2021	SMTK	Stock option (right to buy)	Common Stock (186,601)	$2.00	March 31, 2031	186,601	Acquired
March 31, 2021	SMTK	Stock option (right to buy)	Common Stock (186,601)	$2.00	March 31, 2031	186,601	Acquired
Feb. 23, 2021	SMTK	Option to Purchase Common Stock	Common Stock (178,086)	$0.00	Feb. 23, 2031	178,086	Acquired

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