Sphere 3D Corp.

SEC insider activity covers quarterly filings through June 30, 2026. Later filings are not included. Reported roles do not establish current employment or current holdings. SEC filing documents, sections and filing-text search cover filings dated January 1, 2000 onward. Earlier filings are deferred until after launch.

DRK

organization

SIC: 6199

SEC Insider

$4.5M

254 transactions

Summary

Sphere 3D Corp. (DRK) is an organization.

Recent Insider Transactions

As filed, including amendments; not net cash flow or current holdings. Joint reports count once. Totals cover known values only.

Buys: —Sales: $2.6M27 insiders

Date	Insider	Type	Value
2026-06-01	Kalbfleisch Kurt L.(CFO and Director)	F	$153K
2026-06-01	Reppas Tiah Norton(Chief Accounting Officer)	F	$45K
2026-06-01	Reppas Tiah Norton(Chief Accounting Officer)	F	$37K
2026-06-01	Kalbfleisch Kurt L.(CFO and Director)	F	$29K
2026-06-01	Reppas Tiah Norton(Chief Accounting Officer)	F	$6K
2026-06-08	Hanley Timothy P.	A	$0
2026-06-08	Kalbfleisch Kurt L.(Chief Financial Officer)	A	$0
2026-06-08	Reppas Tiah Norton(Chief Accounting Officer)	A	$0
2026-06-08	Block Joel M(Chief Executive Officer)	A	$0
2026-06-08	Dent Marcus E	A	$0
2026-06-08	Gates Nicholas Ray	A	$0
2026-06-01	Harnett Sue	M	—
2026-06-01	Harnett Sue	M	—
2026-06-01	McEwan Duncan J	M	$0
2026-06-01	McEwan Duncan J	M	—
2026-06-01	Reppas Tiah Norton(Chief Accounting Officer)	M	—
2026-06-01	Reppas Tiah Norton(Chief Accounting Officer)	M	$0
2026-06-01	Kalbfleisch Kurt L.(CFO and Director)	M	—
2026-06-01	Kalbfleisch Kurt L.(CFO and Director)	M	$0
2026-05-29	Harnett Sue	M	—

SEC filings: SEC EDGAR

Activity data: SEC EDGAR

Sphere 3D Corp. — Contributions, Lobbying & Contracts | Poliscope