Form 4 for DRK DarkHorse Technologies Inc.

Accepted 2026-03-13 00:00:00 ET · period of report 2026-03-11 · accession 0001062993-26-001430 · 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	2026-03-13	2026-03-12	DRK	Reppas Tiah Norton	CAO	S - Sale+OE	$1.61	-6,250	12.4K	-34%	-$10.1K
D	2026-03-13	2026-03-11	DRK	Reppas Tiah Norton	CAO	M - OptEx	—	+16.2K	18.6K	+682%	—
D	2026-03-13	2026-03-11	DRK	Reppas Tiah Norton	CAO	M - OptEx	—	-16.2K	90.0K	-15%	—

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 Stock	2026-03-12	S	D	6,250	$1.61	12,384	D	—	—	(F2) This transaction represents the sale of shares by the reporting person to satisfy the issuer's tax withholding obligations in connection with the release of vested RSUs on March 11, 2026. (F3) The common share balance has been adjusted to reflect the issuer's 1 for 10 reverse stock split effective February 9, 2026.
2	Common	Common Stock	2026-03-11	M	A	16,250	—	18,634	D	—	—	(F1) Each RSU represents a contingent right to receive one share of Sphere 3D Corp. common stock.
3	Derivative	Restricted Stock Unit (RSU)	2026-03-11	M	D	16,250	—	90,000	D	— · 2026-03-01 to 2026-03-01	16,250 Common Stock	(F1) Each RSU represents a contingent right to receive one share of Sphere 3D Corp. common stock. (F4) The RSUs reported under Column 9 include three awards. The underlying outstanding shares and vesting schedules are as follows: (i) 5,000 shares outstanding of which 1,250 shares vest quarterly from June 1, 2026 until March 1, 2027; (ii) 35,000 outstanding shares of which 5,000 shares vest quarterly from June 1, 2026 until December 1, 2027; and (iii) 50,000 outstanding shares which vest in full on March 4, 2027.