SEC Insider Transactions from Kalbfleisch Kurt L..

Last updated: 2026-03-15 09:23 UTC | Total transactions: 41

Kalbfleisch Kurt L., CEO of Sphere 3D Corp. ($ANY), made one open market sale of common shares in the last year, totaling about $42,000, with the most recent on December 9, 2025. He ranks 10,564th out of 11,678 insiders for sales volume, well below the average of $8.6 million across about six transactions per insider. Kalbfleisch has made no open market purchases in the past year.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 12, 2026 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. CEO and CFO M Restricted Stock Unit (RSU) 18358 $0.00 229,297.0000 33,729,165 7.41% 0.05%
March 12, 2026 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. CEO and CFO M Common Stock 18358 $0.00 74,685.0000 33,729,165 32.59% 0.05%
March 13, 2026 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. CEO and CFO S Common Stock 9800 $1.59 64,885.0000 33,729,165 13.12% 0.03%
March 4, 2026 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. CEO and CFO A Restricted Stock Unit (RSU) 150000 $0.00 247,655.0000 33,729,165 153.60% 0.44%
Dec. 8, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Chief Executive Officer M Common Stock 183594 $0.00 653,248.0000 33,729,165 39.09% 0.54%
Dec. 8, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Chief Executive Officer M Restricted Stock Unit (RSU) 183594 $0.00 976,561.0000 33,729,165 15.82% 0.54%
Dec. 9, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Chief Executive Officer S Common Stock 90000 $0.47 563,248.0000 33,729,165 13.78% 0.27%
Sept. 3, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Acting CEO and CFO F Common Stock 85010 $0.61 469,654.0000 26,178,282 15.33% 0.32%
Sept. 3, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Acting CEO and CFO M Common Stock 195201 $0.00 554,664.0000 26,178,282 54.30% 0.75%
Sept. 3, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Acting CEO and CFO M Restricted Stock Unit (RSU) 195201 $0.00 1,160,155.0000 26,178,282 14.40% 0.75%
June 5, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Acting CEO and CFO F Common Stock 134406 $0.74 359,463.0000 26,178,282 27.21% 0.51%
June 5, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Acting CEO and CFO M Restricted Stock Unit (RSU) 339844 $0.00 1,355,356.0000 26,178,282 20.05% 1.30%
June 5, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Acting CEO and CFO M Common Stock 339844 $0.00 493,869.0000 26,178,282 220.64% 1.30%
April 22, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Interim CEO and CFO A Restricted Stock Unit (RSU) 1000000 $0.00 1,695,200.0000 26,178,282 143.84% 3.82%
March 14, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Acting CEO and CFO F Common Stock 4212 $0.49 154,025.0000 0 2.66% 0.00%
March 14, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Acting CEO and CFO M Common Stock 11719 $0.00 158,237.0000 0 8.00% 0.00%
March 14, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. Acting CEO and CFO M Restricted Stock Unit (RSU) 11719 $0.00 695,200.0000 0 1.66% 0.00%
Jan. 29, 2025 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO A Restricted Stock Unit (RSU) 625000 $0.00 706,919.0000 0 762.95% 0.00%
Dec. 10, 2024 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO M Common Stock 11719 $0.00 152,518.0000 0 8.32% 0.00%
Dec. 10, 2024 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO M Restricted Stock Unit (RSU) 11719 $0.00 81,919.0000 0 12.52% 0.00%
Dec. 10, 2024 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO S Common Stock 6000 $1.31 146,518.0000 0 3.93% 0.00%
Aug. 29, 2024 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO S Common Stock 11000 $0.95 140,799.0000 0 7.25% 0.00%
Aug. 28, 2024 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO M Common Stock 23326 $0.00 151,799.0000 0 18.16% 0.00%
Aug. 28, 2024 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO M Restricted Stock Unit (RSU) 23326 $0.00 93,638.0000 0 19.94% 0.00%
June 7, 2024 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO M Restricted Stock Unit (RSU) 136250 $0.00 116,964.0000 0 53.81% 0.00%
June 7, 2024 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO M Common Stock 136250 $0.00 208,473.0000 0 188.65% 0.00%
June 11, 2024 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO S Common Stock 80000 $1.17 128,473.0000 0 38.37% 0.00%
May 21, 2024 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. CFO A Restricted Stock Unit (RSU) 105000 $0.00 253,214.0000 0 70.84% 0.00%
March 27, 2024 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. CFO A Restricted Stock Unit (RSU) 125000 $0.00 148,214.0000 0 538.47% 0.00%
Dec. 6, 2023 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO S Common Stock 10070 $1.55 72,223.0000 0 12.24% 0.00%
Dec. 1, 2023 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO M Restricted Stock Unit (RSU) 97143 $0.00 23,214.0000 0 80.71% 0.00%
Dec. 1, 2023 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO S Common Stock 38617 $0.91 82,373.0000 0 31.92% 0.00%
Dec. 1, 2023 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO F Common Stock 34000 $0.80 120,910.0000 0 21.95% 0.00%
Dec. 1, 2023 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO M Common Stock 97143 $0.00 154,910.0000 0 168.16% 0.00%
Nov. 30, 2023 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO S Common Stock 26240 $0.63 57,767.0000 0 31.24% 0.00%
Nov. 15, 2023 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO M Restricted Stock Unit (RSU) 13928 $0.00 120,357.0000 0 10.37% 0.00%
Nov. 15, 2023 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO M Common Stock 13928 $0.00 84,007.0000 0 19.87% 0.00%
May 25, 2023 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO S Common Stock 80000 $0.30 490,574.0000 0 14.02% 0.00%
May 22, 2023 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO M Common Stock 170000 $0.00 570,574.0000 0 42.44% 0.00%
May 22, 2023 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO M Restricted Stock Unit (RSU) 170000 $0.00 940,000.0000 0 15.32% 0.00%
Feb. 28, 2023 Sphere 3D Corp. $ANY Kalbfleisch Kurt L. SVP and CFO A Restricted Stock Unit (RSU) 850000 $0.00 1,110,000.0000 0 326.92% 0.00%