SEC filingsOct 12, 2026 to Oct 19, 2026: insiders reported 840 purchases and sales across 212 companies.840 insider purchases and sales in 7 daysSee the filings →
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Company profile

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Sphere 3D Corp.
NASDAQFinancials

Latest close: 2.05 USD · Oct 16, 2026 · 1 year · split-adjusted

On the price, the facts of the public record■Insider buy□Insider sell◆Adverse 8-K filing◇Significant stake declared (13D)●Results filed
With an account, also○dividends▲splits◌next earningswith an account

End-of-day prices provided by Twelve Data · One close per session; the series does not update during the trading day.

Latest on record

The most recent facts, as filed.

Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.

  1. Sep 17, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
  2. Sep 14, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
  3. Sep 11, 2026Material event · 8-KFiled by the company itself.Open the filing ↗

In numbers

What this profile holds, counted.

Closes · 1 year250
SEC filings on record7599 flagged findings
Reported transactions (Form 4)80since May 21, 2024 · and 23 other holdings
Corporate events (8-K)30since Mar 26, 2024

What the record says

Description, identity and filings, each with its source.

Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.

What the company does

Software company

Source: Wikidata (CC0 1.0) · copied on Sep 3, 2026 · may not reflect recent changes.

Reverse splits in 5 years

2 reverse splits in 5 years (1:7 on Jun 29, 2023, 1:10 on Feb 10, 2026) · 1:70 cumulative

The other times: of 247 securities that repeated a reverse split in 5 years, a year later the median was worth 0.10× the price on the day of the split; 189 lost more than half and 21 rose (243 with a price a year later).

Our own series, not the whole market: based on the splits we have on record (provider and SEC); an unrecorded one does not count. Historical distribution, not a prediction.

SEC record

SEC dossier

What this company has filed with the SEC, in plain language.

The 25 most recent filings (of 759)

Everything filed

Every SEC filing, newest first, with what it is. Below, each type with its own explanation.

  • Oct 9, 26S-3 ↗Securities offering
  • Oct 6, 26SCHEDULE 13D ↗Stake with intent to influence · Joel Block · 7.6% · event on Sep 11, 26
  • Sep 23, 26Form 4 ↗Insider transaction
  • Sep 17, 268-K ↗Current report · Bylaws or fiscal year change · Communication to the market · Other events
  • Sep 14, 268-K ↗Current report · Communication to the market
  • Sep 11, 268-K ↗Current report · Entered a material agreement
  • Insider transaction · 3 Form 4 filingsshow all 3hide
  • Sep 8, 268-K ↗Current report · Entered a material agreement
  • Sep 4, 26Form 4 ↗Insider transaction
  • Aug 26, 26SCHEDULE 13D/A ↗Stake with intent to influence · Endeavor Blockchain, LLC · 3.4% · event on Aug 24, 26 · amendment
  • Aug 24, 268-K ↗Current report · Shareholder vote results · Communication to the market · Other events
  • Aug 14, 2610-Q ↗Quarterly report
  • Aug 14, 268-K ↗Current report · Results · Communication to the market
  • Aug 10, 268-K ↗Current report · Entered a material agreement
  • Aug 7, 26DEFA14A ↗Shareholder meeting and votes
  • Jul 31, 268-K ↗Current report · Entered a material agreement
  • Jul 31, 26424B5 ↗Securities offering
  • Jul 31, 26SCHEDULE 13D ↗Stake with intent to influence · Endeavor Blockchain, LLC · 6.5% · event on Jul 29, 26
  • Jul 20, 26SCHEDULE 13G ↗Passive stake · Jialin Qu · 6.2% · event on Jun 1, 26
  • Jul 13, 26DEFA14A ↗Shareholder meeting and votes
  • Jul 13, 26DEF 14A ↗Shareholder meeting and votes
  • Jul 8, 26SCHEDULE 13G ↗Passive stake · Thomas Masiero · 6.7% · event on Jun 1, 26
  • Jun 30, 26PRE 14A ↗Shareholder meeting and votes

759 filings on record, the oldest from May 16, 14.

Listing the 25 most recent filings of the 759 on record.

8-Ks, explained

Stress14Structure74Governance13
  • Structure4 material agreements entered2026show all 4hide
    • Sep 11, 26StructureEntered a material agreement+3 more in the same filing8-K 1.01 ↗
    • Sep 8, 26StructureEntered a material agreement8-K 1.01 ↗
    • Aug 10, 26StructureEntered a material agreement+3 more in the same filing8-K 1.01 ↗
    • Jul 31, 26StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
  • Jun 3, 26StructureSold unregistered shares+7 more in the same filing8-K 3.02 ↗
  • Mar 11, 26StructureSold unregistered shares+3 more in the same filing8-K 3.02 ↗
  • Feb 27, 26StressListing notice (8-K 3.01)the same filing reports the recovery8-K 3.01 ↗
  • Structure4 material agreements entered2025show all 4hide
    • Dec 22, 25StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
    • Nov 13, 25StructureEntered a material agreement+3 more in the same filing8-K 1.01 ↗
    • Oct 17, 25StructureEntered a material agreement+3 more in the same filing8-K 1.01 ↗
    • Apr 28, 25StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
  • Mar 7, 25StressListing notice (8-K 3.01)8-K 3.01 ↗
  • Jan 3, 25StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
  • Nov 21, 24StructureSold unregistered shares+3 more in the same filing8-K 3.02 ↗
  • Nov 18, 24StressListing notice (8-K 3.01)+2 more in the same filing8-K 3.01 ↗
  • Oct 11, 24StressListing notice (8-K 3.01)8-K 3.01 ↗
  • Mar 29, 24StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
  • Mar 26, 24StructureA material agreement was terminated+2 more in the same filing8-K 1.02 ↗

The record reaches back to Feb 21, 18.

Notable in the record

Stress disclosures older than the timeline above. They are individual events from the record, not a complete timeline: there may be more between them.

  • Jul 17, 23StressListing notice (8-K 3.01)+2 more in the same filing8-K 3.01 ↗
  • Jan 24, 23StressListing notice (8-K 3.01)8-K 3.01 ↗
  • May 20, 20StressListing notice (8-K 3.01)+1 more in the same filing8-K 3.01 ↗
  • Jan 6, 20StressListing notice (8-K 3.01)+1 more in the same filing8-K 3.01 ↗
  • Jul 12, 19StressListing notice (8-K 3.01)+2 more in the same filing8-K 3.01 ↗
  • Aug 13, 18StressA debt obligation was accelerated+2 more in the same filing8-K 2.04 ↗

The full record holds 14 stress filings.

Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.

Ownership and control

Schedule 13D: stake and stated purpose

Filed by holders above 5% of a share class who cannot use the short form. It includes the investor's stated purpose: read it before assuming they seek influence.

  • Joel Block7.6%Sep 11, 26SCHEDULE 13D ↗
  • Endeavor Blockchain, LLC3.4%Aug 24, 26SCHEDULE 13D/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing

Schedule 13G: short-form filing

The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.

  • Thomas Masiero6.7%Jun 1, 26SCHEDULE 13G ↗4 co-filers on this document — the figure is the largest single stake, not their sum.
  • Jialin Qu6.2%Jun 1, 26SCHEDULE 13G ↗2 co-filers on this document — the figure is the largest single stake, not their sum.
  • Armistice Capital, LLC5.0%Sep 30, 25SCHEDULE 13G/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum. · 3 earlier filings

Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.

SEC record

Insider transactions

Buys and sells reported by officers, directors and major shareholders on SEC Form 4.

Buys and sells

  • Mar 13, 26Sell$16KKurt L. KalbfleischCEO and CFO↗
  • Mar 12, 26Sell$10KTiah Norton ReppasChief Accounting Officer↗
  • Dec 9, 25Sell$42KKurt L. KalbfleischChief Executive Officer↗
  • Dec 13, 24Sell$42KPatricia TrompeterCEO↗
  • Dec 12, 24Sell$13KPatricia TrompeterCEO↗
Stock compensation, tax and giftsshow the 35 other transactionshide

Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.

  • Sep 21, 26Compensationamount n/aTiah Norton ReppasChief Accounting Officer↗
  • Sep 21, 26Tax$6KTiah Norton ReppasChief Accounting Officer↗
  • Sep 8, 26Compensation$500KJoel M BlockChief Executive Officer↗
  • Sep 8, 26Compensation$400KNicholas Ray Gates↗
  • Sep 8, 26Compensation$100KTimothy P. Hanley↗
  • Sep 2, 26Compensationamount n/aKurt L. KalbfleischChief Financial Officer↗
  • Jun 8, 26Compensationamount n/aTimothy P. Hanley↗
  • Jun 8, 26Compensationamount n/aKurt L. KalbfleischChief Financial Officer↗
  • Jun 8, 26Compensationamount n/aTiah Norton ReppasChief Accounting Officer↗
  • Jun 8, 26Compensationamount n/aJoel M BlockChief Executive Officer↗
  • Jun 8, 26Compensationamount n/aMarcus E Dent↗
  • Jun 8, 26Compensationamount n/aNicholas Ray Gates↗
  • Jun 1, 26Compensationamount n/aSue Harnett↗
  • Jun 1, 26Compensationamount n/aDuncan J McEwan↗
  • Jun 1, 26Compensationamount n/aTiah Norton ReppasChief Accounting Officer↗
  • Jun 1, 26Tax$45KTiah Norton ReppasChief Accounting Officer↗
  • Jun 1, 26Tax$6KTiah Norton ReppasChief Accounting Officer↗
  • Jun 1, 26Tax$37KTiah Norton ReppasChief Accounting Officer↗
  • Jun 1, 26Compensationamount n/aKurt L. KalbfleischCFO and Director↗
  • Jun 1, 26Tax$153KKurt L. KalbfleischCFO and Director↗
  • Jun 1, 26Tax$29KKurt L. KalbfleischCFO and Director↗
  • May 29, 26Compensationamount n/aSue Harnett↗
  • May 29, 26Compensationamount n/aTimothy P. Hanley↗
  • May 20, 26Compensationamount n/aKurt L. KalbfleischCEO and CFO↗
  • Mar 12, 26Compensationamount n/aKurt L. KalbfleischCEO and CFO↗
  • Mar 11, 26Compensationamount n/aTiah Norton ReppasChief Accounting Officer↗
  • Dec 8, 25Compensationamount n/aKurt L. KalbfleischChief Executive Officer↗
  • Sep 3, 25Compensationamount n/aKurt L. KalbfleischActing CEO and CFO↗
  • Sep 3, 25Tax$52KKurt L. KalbfleischActing CEO and CFO↗
  • Jun 5, 25Compensationamount n/aKurt L. KalbfleischActing CEO and CFO↗
  • Jun 5, 25Tax$99KKurt L. KalbfleischActing CEO and CFO↗
  • May 15, 25Compensationamount n/aTimothy P. Hanley↗
  • May 15, 25Compensationamount n/aSue Harnett↗
  • Mar 14, 25Compensationamount n/aKurt L. KalbfleischActing CEO and CFO↗
  • Mar 14, 25Tax$2KKurt L. KalbfleischActing CEO and CFO↗

The full record holds 77 transactions and goes back to Jan 1, 23.

Its sector and its market

Sphere 3D Corp. among Financials companies

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Coverage

What sits behind this page.

Where each figure comes from and how far it reaches.

Prices
End-of-day closes provided by Twelve Data. One close per session; not real time. Closes adjusted for splits.
Series quality
Series with incidents in the period; the chart shows what could be kept.
SEC records
759 documents on file, from May 16, 2014 to Oct 9, 2026.
Company description
Wikidata, read on Sep 3, 2026.
This page
Generated on Oct 19, 2026; refreshed through the day.

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Which SEC documents appear here?

Those filed with the SEC by the company, its insiders and its major shareholders, within our coverage: periodic reports (10-K, 10-Q, 20-F), material events (8-K), proposed sale notices (Form 144), insider transactions (Form 4) and stakes above 5% (13D/13G). Each links to the original on EDGAR.

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It depends on the company: some European issuers file a 20-F or 6-K with the SEC and others don't. The profile shows whatever is on record; when there is nothing, it says so rather than guessing why. Europe does not yet have a common filing archive like EDGAR in the United States. The EU will open its own, ESAP, in July 2027 (managers' transactions arrive in January 2028), and we plan to add it once it is available.

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