Insider Transactions Reported by 9 Insiders of Sphere 3D Corp.

Symbol: ANY on Nasdaq
Location: Stamford, CT

Quick Takeaways

ANY - Sphere 3D Corp. has 9 insiders with reported activity on this page.
Net insider value flow over the last year: -$67,566.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: ; sell value: $67,566.
Net share flow: -106,050.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Official SEC Source

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$67,566.

Buys

Shares: 0

Insiders: 0

Sells

$67,566

Shares: 106,050

Insiders: 2

Net

-$67,566

Shares: -106,050

Insiders: -2

Window (months)	Sell shares	Buy $	Sell $	Net $
0-3	16,050	$0	$25,644	-$25,644
3-6	90,000	$0	$41,922	-$41,922
6-9	0	$0	$0	$0
9-12	0	$0	$0	$0

Sphere 3D Corp. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Patricia Trompeter	CEO, Director	$3,561,831			Mixed	29 Jan 2025
Kurt L. Kalbfleisch	CEO and CFO	$445,293	-$57,504	-11%	Mixed	12 Mar 2026
Timothy P. Hanley	Director	$199,187			Mixed	04 Mar 2026
Harnett Sue	Director	$199,187			Mixed	04 Mar 2026
Tiah Norton Reppas	Chief Accounting Officer	$19,938	-$10,063	-34%	Filing P/S	11 Mar 2026
Joseph O'Daniel	President	$2,356			Mixed	01 Dec 2023
David C. Danziger	Director				Mixed	09 Jan 2024
Duncan J. McEwan	Director				Mixed	04 Mar 2026
Vivekanand Mahadevan	Director				Mixed	09 Jan 2024

Top shareholders of Sphere 3D Corp. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Patricia Trompeter	3/4/5	CEO, Director	— mixed-class rows	2,752,684 mixed-class rows	$3,561,831	—	29 Jan 2025	3/4/5
ARMISTICE CAPITAL, LLC	13D/G 13F	Company	5%	1,771,482	$1,302,039	-$653,608	30 Sep 2025	13D/G 13F
Kurt L. Kalbfleisch	3/4/5	CEO and CFO	— mixed-class rows	294,182 mixed-class rows	$445,293	-$57,504	12 Mar 2026	3/4/5
Harnett Sue	3/4/5	Director	— mixed-class rows	286,411 mixed-class rows	$199,187	—	04 Mar 2026	3/4/5
Timothy P. Hanley	3/4/5	Director	— mixed-class rows	286,411 mixed-class rows	$199,187	—	04 Mar 2026	3/4/5
CITADEL ADVISORS LLC	13F	Company	21%	629,278	$187,273	—	31 Dec 2025	13F
VANGUARD GROUP INC	13F	Company	15%	440,410	$131,242	—	31 Dec 2025	13F
Squarepoint Ops LLC	13F	Company	13%	381,214	$113,449	—	31 Dec 2025	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	4.5%	137,491	$40,917	—	31 Dec 2025	13F
XTX Topco Ltd	13F	Company	4.3%	131,326	$39,083	—	31 Dec 2025	13F
JANE STREET GROUP, LLC	13F	Company	4.1%	123,091	$36,632	—	31 Dec 2025	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	4%	122,120	$36,343	—	31 Dec 2025	13F
Virtu Financial LLC	13F	Company	2.2%	67,415	$20,000	—	31 Dec 2025	13F
Tiah Norton Reppas	3/4/5	Chief Accounting Officer	— mixed-class rows	102,384 mixed-class rows	$19,938	-$10,063	11 Mar 2026	3/4/5
MORGAN STANLEY	13F	Company	1.7%	50,680	$15,082	—	31 Dec 2025	13F
CITIGROUP INC	13F	Company	1.1%	34,302	$10,208	—	31 Dec 2025	13F
HRT FINANCIAL LP	13F	Company	0.83%	25,116	$7,000	—	31 Dec 2025	13F
GROUP ONE TRADING LLC	13F	Company	0.71%	21,418	$6,374	—	31 Dec 2025	13F
StoneX Group Inc.	13F	Company	0.58%	17,569	$5,229	—	31 Dec 2025	13F
Tower Research Capital LLC (TRC)	13F	Company	0.27%	8,280	$2,464	—	31 Dec 2025	13F
Joseph O'Daniel	3/4/5	President	— class O/S missing	1,517	$2,356	—	01 Dec 2023	3/4/5
UBS Group AG	13F	Company	0.09%	2,767	$824	—	31 Dec 2025	13F
SBI Securities Co., Ltd.	13F	Company	0.07%	2,064	$614	—	31 Dec 2025	13F
SIMPLEX TRADING, LLC	13F	Company	0.01%	384	$114	—	31 Dec 2025	13F
Atlantic Union Bankshares Corp	13F	Company	0%	122	$37	—	31 Dec 2025	13F
WELLS FARGO & COMPANY/MN	13F	Company	0%	103	$31	—	31 Dec 2025	13F
MH & ASSOCIATES SECURITIES MANAGEMENT CORP /ADV	13F	Company	0%	96	$29	—	31 Dec 2025	13F
TUCKER ASSET MANAGEMENT LLC	13F	Company	0%	35	$10	—	31 Dec 2025	13F
Duncan J. McEwan	3/4/5	Director	— mixed-class rows	223,574 mixed-class rows	—	—	04 Mar 2026	3/4/5
Vivekanand Mahadevan	3/4/5	Director	— class O/S missing	160,999	—	—	09 Jan 2024	3/4/5
David C. Danziger	3/4/5	Director	— class O/S missing	142,520	—	—	09 Jan 2024	3/4/5

Recent Insider Transactions by Companies or Individuals for Sphere 3D Corp.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Kurt L. Kalbfleisch	ANY	Common Stock	Sale	-13.2%	$15,582	$1.59	-9,800	64,455	13 Mar 2026	Direct
Tiah Norton Reppas	ANY	Common Stock	Sale	-33.5%	$10,062	$1.61	-6,250	12,384	12 Mar 2026	Direct
Kurt L. Kalbfleisch	ANY	Common Stock	Options Exercise	32.8%			18,358	74,255	12 Mar 2026	Direct
Kurt L. Kalbfleisch	ANY	Restricted Stock Unit (RSU)	Options Exercise	-7.41%			-18,358	229,297	12 Mar 2026	Direct
Tiah Norton Reppas	ANY	Common Stock	Options Exercise	681.6%			16,250	18,634	11 Mar 2026	Direct
Tiah Norton Reppas	ANY	Restricted Stock Unit (RSU)	Options Exercise	-15.3%			-16,250	90,000	11 Mar 2026	Direct
Timothy P. Hanley	ANY	Restricted Stock Unit (RSU)	Award	586.5%			74,074	86,704	04 Mar 2026	Direct
Duncan J. McEwan	ANY	Restricted Stock Unit (RSU)	Award				74,074	74,074	04 Mar 2026	Direct
Sue Harnett	ANY	Restricted Stock Unit (RSU)	Award	586.5%			74,074	86,704	04 Mar 2026	Direct
Kurt L. Kalbfleisch	ANY	Restricted Stock Unit (RSU)	Award	153.6%			150,000	247,655	04 Mar 2026	Direct
Tiah Norton Reppas	ANY	Restricted Stock Unit (RSU)	Award	88.9%			50,000	106,250	04 Mar 2026	Direct
Kurt L. Kalbfleisch	ANY	Common Stock	Sale	-13.9%	$41,922	$0.4658	-90,000	558,964	09 Dec 2025	Direct
Kurt L. Kalbfleisch	ANY	Common Stock	Options Exercise	39.4%			183,594	648,964	08 Dec 2025	Direct
Kurt L. Kalbfleisch	ANY	Restricted Stock Unit (RSU)	Options Exercise	-15.8%			-183,594	976,561	08 Dec 2025	Direct
Kurt L. Kalbfleisch	ANY	Common Stock	Tax liability	-15.4%			-85,010	465,370	03 Sep 2025	Direct
Kurt L. Kalbfleisch	ANY	Common Stock	Options Exercise	55%			195,201	550,380	03 Sep 2025	Direct
Kurt L. Kalbfleisch	ANY	Restricted Stock Unit (RSU)	Options Exercise	-14.4%			-195,201	1,160,155	03 Sep 2025	Direct
Kurt L. Kalbfleisch	ANY	Common Stock	Tax liability	-27.4%			-134,406	355,179	05 Jun 2025	Direct
Kurt L. Kalbfleisch	ANY	Common Stock	Options Exercise	227%			339,844	489,585	05 Jun 2025	Direct
Kurt L. Kalbfleisch	ANY	Restricted Stock Unit (RSU)	Options Exercise	-20%			-339,844	1,355,356	05 Jun 2025	Direct
Timothy P. Hanley	ANY	Restricted Stock Unit (RSU)	Award	-50%			-126,300	126,300	29 May 2025	Direct
Sue Harnett	ANY	Restricted Stock Unit (RSU)	Award	-50%			-126,300	126,300	29 May 2025	Direct
Duncan J. McEwan	ANY	Non-Qualified Stock Option (right to buy)	Award				149,500	149,500	29 May 2025	Direct
Sue Harnett	ANY	Common Stock	Options Exercise	92.8%			96,154	199,707	15 May 2025	Direct
Sue Harnett	ANY	Restricted Stock Unit (RSU)	Options Exercise	-100%			-96,154	0	15 May 2025	Direct
Timothy P. Hanley	ANY	Common Stock	Options Exercise	92.8%			96,154	199,707	15 May 2025	Direct
Timothy P. Hanley	ANY	Restricted Stock Unit (RSU)	Options Exercise	-100%			-96,154	0	15 May 2025	Direct
Kurt L. Kalbfleisch	ANY	Restricted Stock Unit (RSU)	Award	143.8%			1,000,000	1,695,200	22 Apr 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.