Form 4 for ZSTK ZeroStack Corp.

Accepted 2026-07-20 18:26:15 ET · period of report 2026-07-20 · accession 0000912282-26-000995 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-07-20 18:26	2026-07-20	ZSTK	Reis-Faria Daniel	CEO, Dir	X - OptEx	$0.0001	+5.95M	5.95M	New	+$595.47
D	2026-07-20 18:26	2026-07-20	ZSTK	Reis-Faria Daniel	CEO, Dir	A - Grant	$0.00	+500.0K	500.0K	New	$0
D	2026-07-20 18:26	2026-07-20	ZSTK	Reis-Faria Daniel	CEO, Dir	X - OptEx	$25.19	-5.95M	0	-100%	-$150.00M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Shares	2026-07-20	X	A	5,954,743	$0.0001	5,954,743	D	—	—
2	Derivative	Employee Stock Option (Right to Buy)	2026-07-20	A	A	500,000	$0.00	500,000	D	$5.10 · — to 2036-05-05	500,000 Common Shares	(F1) The options were approved by the Issuer's board of directors on March 5, 2026, subject to shareholder approval, which occurred on July 20, 2026. The options vest in five equal installments; the vesting of each 20% installment is contingent on the Issuer's volume weighted average price reaching a specified threshold.
3	Derivative	Pre-Funded Token Warrants	2026-07-20	X	D	5,954,743	$25.19	0	D	$0.0001 · — to —	5,954,743 Common Shares	(F2) The warrants were not exercisable until approved by the Issuer's shareholders and terminated upon full exercise of the warrants (F2) The warrants were not exercisable until approved by the Issuer's shareholders and terminated upon full exercise of the warrants