Michael Pokorny

Insider

First SEC filing: March 14, 2025 · Latest: March 14, 2025

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Insider at

0 buys (P) 1 sells (S) Net: $-3,488,436 + 4 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

4 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 12, 2026	SNDK	S	2,446	$1426.18	$3,488,436	22,375 Direct	-9.85%	Disposed	12.5% (price as of 2026-08-21)
May 9, 2026	SNDK	F	1,429	$1562.34	$2,232,584	24,821 Direct	-5.44%	Disposed	2.7% (price as of 2026-08-21)
Nov. 20, 2025	SNDK	F	821	$195.96	$160,883	26,250 Direct	-3.03%	Disposed	719.0% (price as of 2026-08-21)
Sept. 3, 2025	SNDK	A	13,028	—	—	27,071 Direct	+92.77%	Acquired	(price as of 2026-08-21)
May 9, 2025	SNDK	A	7,750	—	—	14,043 Direct	+123.15%	Acquired	(price as of 2026-08-21)

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.

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

Date	Ticker	Security	Shares	Ownership
March 14, 2025	SNDK	Common Stock	6,293	Direct