InsiderTrades

Form 4 for DRK DarkHorse Technologies Inc.

Accepted 2025-12-10 00:00:00 ET · period of report 2025-12-08 · accession 0001062993-25-017276 · 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 2025-12-10 2025-12-09 DRK Kalbfleisch Kurt L. CEO S - Sale+OE $0.47 -90.0K 559.0K -14% -$42.3K
D 2025-12-10 2025-12-08 DRK Kalbfleisch Kurt L. CEO M - OptEx — +183.6K 649.0K +39% —
D 2025-12-10 2025-12-08 DRK Kalbfleisch Kurt L. CEO M - OptEx — -183.6K 976.6K -16% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-12-09 S D 90,000 $0.47 558,964 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 December 8, 2025.
2 Common Common Stock 2025-12-08 M A 183,594 — 648,964 D — — (F1) Each RSU represents a contingent right to receive one share of Sphere 3D Corp. common stock.
3 Derivative Restricted Stock Unit (RSU) 2025-12-08 M D 183,594 — 976,561 D — · — to — 183,594 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 shares and vesting schedules are as follows: (i) 78,125 shares vest each quarter beginning 12/31/2025 until 12/31/2026; (ii) 11,719 shares vest on 12/31/2025 and 11,717 shares vest on 3/31/2026; and (iii) 93,750 shares vest each quarter from 3/1/2025 until 6/1/2027. (F3) 11,719 RSUs vested on September 30, 2025, 78,125 RSUs vested on September 30, 2025 and 93,750 RSUs vested on December 1, 2025.