InsiderTrades

Form 4 for DRK DarkHorse Technologies Inc.

Accepted 2026-03-13 00:00:00 ET · period of report 2026-03-12 · accession 0001062993-26-001428 · 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 2026-03-13 DRK Kalbfleisch Kurt L. CEO, CFO S - Sale+OE $1.59 -9,800 64.5K -13% -$15.6K
D 2026-03-13 2026-03-12 DRK Kalbfleisch Kurt L. CEO, CFO M - OptEx — +18.4K 74.3K +33% —
D 2026-03-13 2026-03-12 DRK Kalbfleisch Kurt L. CEO, CFO M - OptEx — -18.4K 229.3K -7% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-13 S D 9,800 $1.59 64,455 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 12, 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 2026-03-12 M A 18,358 — 74,255 D — — (F1) Each RSU represents a contingent right to receive one share of Sphere 3D Corp. common stock.
3 Derivative Restricted Stock Unit (RSU) 2026-03-12 M D 18,358 — 229,297 D — · — to — 18,358 Common Stock (F1) Each RSU represents a contingent right to receive one share of Sphere 3D Corp. common stock. (F5) The RSUs reported under Column 9 include four awards. The underlying outstanding shares and vesting schedules are as follows: (i) 1,172 shares vest on 3/31/2026; (ii) 31,250 outstanding shares of which 7,813 vests on March 31, 2026 and June 30, 2026 and 7,812 vests on September 30, 2026 and Dec 31, 2026; (iii) 46,875 shares outstanding of which 9,375 shares vest quarterly from June 1, 2026 until June 1, 2027; and (iv) 150,000 shares outstanding which vest in full on March 4, 2027. (F4) 8,983 shares vested on December 31, 2025 and 9,375 shares vested on March 1, 2026.