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Who

Kurt L. Kalbfleisch

Chief Financial Officer

Company insider

Files Form 4 as: Chief Financial Officer, Sphere 3D; Senior Vice President and CFO, Overland Storage.

Every Form 4 they filed

In numbers

Trades disclosed
145
Buys
0
Sells
40
Bought
$0
Sold
$626K
Companies
2
Companies where not an officer
0
First trade
13 Aug 2007
Last trade
2 Sep 2026
Last filed
4 Sep 2026

Companies traded

Where they are an officer
Sphere 3DDirector, Officer · Crypto miners & infra · last 2 Sep 20260 buys · 20 sells
Overland StorageOfficer · last 1 Dec 20140 buys · 20 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
2 Sep 2026filed 4 Sep 2026Sphere 3DCrypto miners & infraSEC FORM 4 Code M—17,188 at $0.00filing
2 Sep 2026filed 4 Sep 2026Sphere 3Doption or derivative · Crypto miners & infraSEC FORM 4 Code M—17,188 at $0.00filing
2 Sep 2026filed 4 Sep 2026Sphere 3Doption or derivative · Crypto miners & infraSEC FORM 4 Code M—17,188 at $0.00filing
2 Sep 2026filed 4 Sep 2026Sphere 3DCrypto miners & infraSEC FORM 4 Code M—17,188 at $0.00filing
8 Jun 2026filed 10 Jun 2026Sphere 3DCrypto miners & infraSEC FORM 4 Code A—250,000 at $0.00filing
8 Jun 2026filed 10 Jun 2026Sphere 3DCrypto miners & infraSEC FORM 4 Code A—250,000 at $0.00filing
1 Jun 2026filed 3 Jun 2026Sphere 3DCrypto miners & infraSEC FORM 4 Code M—159,375 at $0.00filing
1 Jun 2026filed 3 Jun 2026Sphere 3DCrypto miners & infraSEC FORM 4 Code F$153K50,000 at $3.06filing
1 Jun 2026filed 3 Jun 2026Sphere 3DCrypto miners & infraSEC FORM 4 Code F$29K7,000 at $4.15filing
1 Jun 2026filed 3 Jun 2026Sphere 3Doption or derivative · Crypto miners & infraSEC FORM 4 Code M—159,375filing
1 Jun 2026filed 3 Jun 2026Sphere 3Doption or derivative · Crypto miners & infraSEC FORM 4 Code M—159,375filing
1 Jun 2026filed 3 Jun 2026Sphere 3DCrypto miners & infraSEC FORM 4 Code M—159,375 at $0.00filing
1 Jun 2026filed 3 Jun 2026Sphere 3DCrypto miners & infraSEC FORM 4 Code F$153K50,000 at $3.06filing
1 Jun 2026filed 3 Jun 2026Sphere 3DCrypto miners & infraSEC FORM 4 Code F$29K7,000 at $4.15filing
20 May 2026filed 22 May 2026Sphere 3DCrypto miners & infraSEC FORM 4 Code M—8,985filing
20 May 2026filed 22 May 2026Sphere 3Doption or derivative · Crypto miners & infraSEC FORM 4 Code M—8,985filing
20 May 2026filed 22 May 2026Sphere 3Doption or derivative · Crypto miners & infraSEC FORM 4 Code M—8,985filing
20 May 2026filed 22 May 2026Sphere 3DCrypto miners & infraSEC FORM 4 Code M—8,985filing
13 Mar 2026filed 13 Mar 2026Sphere 3DCrypto miners & infraSEC FORM 4 Sold$16K9,800 at $1.59filing
13 Mar 2026filed 13 Mar 2026Sphere 3DCrypto miners & infraSEC FORM 4 Sold$16K9,800 at $1.59filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Digital Assets20
Not placed20

Buys in green, sells in red, by the company’s sector.

Related people

Tiah Norton ReppasChief Accounting Officer · Chief Accounting Officer at Sphere 3D, filing Form 4 there in the last year
Timothy P. HanleyDirector · Director at Sphere 3D, filing Form 4 there in the last year
Nicholas Ray GatesDirector · Director at Sphere 3D, filing Form 4 there in the last year
Joel M. BlockChief Executive Officer · Chief Executive Officer at Sphere 3D, filing Form 4 there in the last year
Marcus E. DentDirector · Director at Sphere 3D, filing Form 4 there in the last year