Kalbfleisch Kurt L. — SEC Form 4 filings
SEC reporting owner CIK 1409130. 17 Form 4 filings on record with FilingPulse; latest filed 2026-09-04.
Transaction summary — filings shown
Covers all 17 filings on record, filed 2024-03-28 to 2026-09-04. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 5 legs across 5 filings — 196,800 shares, $169,037 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 33.
- Largest priced transaction: sale of 80,000 shares @ $1.17 ($93,200) in Sphere 3D Corp., filed 2024-06-11.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Sphere 3D Corp. (ANY) | Chief Financial Officer, Director | 17 | — | 5 legs · 196,800 sh · $169,037 | 33 |
Form 4 filings — Kalbfleisch Kurt L.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-04 | 4 | Sphere 3D Corp. (ANY) | Option exercise (M): 17,188 @ $0 · Option exercise (M): 17,188 (derivative) @ $0 | EDGAR |
| 2026-06-10 | 4 | Sphere 3D Corp. (ANY) | Grant/award (A): 250,000 @ $0 | EDGAR |
| 2026-06-03 | 4 | Sphere 3D Corp. (ANY) | Option exercise (M): 159,375 @ $0 · Tax withholding (F): 50,000 @ $3.06 · Tax withholding (F): 7,000 @ $4.15 · Option exercise (M): 159,375 (derivative) | EDGAR |
| 2026-05-22 | 4 | Sphere 3D Corp. (ANY) | Option exercise (M): 8,985 · Option exercise (M): 8,985 (derivative) | EDGAR |
| 2026-03-13 | 4 | Sphere 3D Corp. (ANY) | Option exercise (M): 18,358 · Sale (S): 9,800 @ $1.59 · Option exercise (M): 18,358 (derivative) | EDGAR |
| 2026-03-06 | 4 | Sphere 3D Corp. (ANY) | Grant/award (A): 150,000 (derivative) | EDGAR |
| 2025-12-10 | 4 | Sphere 3D Corp. (ANY) | Option exercise (M): 183,594 · Sale (S): 90,000 @ $0.47 · Option exercise (M): 183,594 (derivative) | EDGAR |
| 2025-09-05 | 4 | Sphere 3D Corp. (ANY) | Option exercise (M): 195,201 · Tax withholding (F): 85,010 @ $0.61 · Option exercise (M): 195,201 (derivative) | EDGAR |
| 2025-06-09 | 4 | Sphere 3D Corp. (ANY) | Option exercise (M): 339,844 · Tax withholding (F): 134,406 @ $0.74 · Option exercise (M): 339,844 (derivative) | EDGAR |
| 2025-04-24 | 4 | Sphere 3D Corp. (ANY) | Grant/award (A): 1,000,000 (derivative) | EDGAR |
| 2025-03-18 | 4 | Sphere 3D Corp. (ANY) | Option exercise (M): 11,719 · Tax withholding (F): 4,212 @ $0.49 · Option exercise (M): 11,719 (derivative) | EDGAR |
| 2025-01-31 | 4 | Sphere 3D Corp. (ANY) | Grant/award (A): 625,000 (derivative) | EDGAR |
| 2024-12-12 | 4 | Sphere 3D Corp. (ANY) | Option exercise (M): 11,719 · Sale (S): 6,000 @ $1.31 · Option exercise (M): 11,719 (derivative) | EDGAR |
| 2024-08-30 | 4 | Sphere 3D Corp. (ANY) | Option exercise (M): 23,326 · Sale (S): 11,000 @ $0.95 · Option exercise (M): 23,326 (derivative) | EDGAR |
| 2024-06-11 | 4 | Sphere 3D Corp. (ANY) | Option exercise (M): 136,250 · Sale (S): 80,000 @ $1.17 · Option exercise (M): 136,250 (derivative) | EDGAR |
| 2024-05-23 | 4 | Sphere 3D Corp. (ANY) | Grant/award (A): 105,000 (derivative) | EDGAR |
| 2024-03-28 | 4 | Sphere 3D Corp. (ANY) | Grant/award (A): 125,000 (derivative) | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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