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

ALTO

Alto Ingredients Inc.
NASDAQMaterials

Latest close: 3.45 USD · Oct 16, 2026 · 1 year · split-adjusted

On the price, the facts of the public record■Insider buy□Insider sell●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 14, 2026Reported purchase · Form 4GILBERT E NATHAN · $39.3KOpen the filing ↗
  2. Aug 11, 2026Reported purchase · Form 4GILBERT E NATHAN · $207.5KOpen the filing ↗
  3. Aug 7, 2026Material event · 8-KFiled by the company itself.Open the filing ↗

In numbers

What this profile holds, counted.

Closes · 1 year250
SEC filings on record1,3777 flagged findings
Reported transactions (Form 4)40since Jun 20, 2024 · and 2 other holdings
Corporate events (8-K)30since May 29, 2020

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.

SEC topics

Regulatory history

Topics detected in its SEC reports, with the original excerpt.

Each topic is assigned by a classifier over the full filing; the excerpts show where it was detected and are not always enough to verify it. Open the filing to read it in full.

  • 2026-05-08capital return (buybacks/dividends)recentOpen filing ↗
    “…in the series or class and the distinctive designation; ● number of shares offered and initial offering price; ● the terms on…”
    +1 more passage from the same document
    • “…pay interest; ● whether and under what circumstances, if any, we will pay a premium or additional amounts on any debt securities; ●…”
  • 2026-03-13capital return (buybacks/dividends)recentOpen filing ↗
    “…by estimates made by management, such as discount rates used to value certain liabilities, investment rates of return on plan assets,…”
    +1 more passage from the same document
    • “…liabilities, investment rates of return on plan assets, increases in future wage amounts and future health care costs. Discount…”

Original excerpts from SEC filings, untranslated. Not advice and not a prediction.

SEC record

SEC dossier

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

The 25 most recent filings (of 1,377)

Everything filed

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

  • Insider transaction · 2 Form 4 filingsshow all 2hide
  • Aug 7, 268-K ↗Current report · Entered a material agreement
  • Aug 7, 2610-Q ↗Quarterly report
  • Aug 5, 268-K ↗Current report · Results
  • Aug 5, 26424B5 ↗Securities offering
  • Jul 27, 26SCHEDULE 13G ↗Passive stake · BlackRock, Inc. · 6.9% · event on Jun 30, 26
  • Insider transaction · 4 Form 4 filingsshow all 4hide
  • Jun 23, 268-K ↗Current report · A senior executive left or was appointed
  • May 20, 26CORRESP ↗Correspondence with the SEC
  • Insider transaction · 2 Form 4 filingsshow all 2hide
  • May 14, 26UPLOAD ↗Correspondence with the SEC
  • May 8, 26S-3 ↗Securities offering
  • May 8, 2610-Q ↗Quarterly report
  • May 6, 268-K ↗Current report · Results
  • Apr 30, 26DEFA14A ↗Shareholder meeting and votes
  • Apr 30, 26DEF 14A ↗Shareholder meeting and votes
  • Insider transaction · 4 Form 4 filingsshow all 4hide

1,377 filings on record, the oldest from Sep 5, 97.

Listing the 25 most recent filings of the 1,377 on record.

8-Ks, explained

Stress14Structure205Governance50
  • Aug 7, 26StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
  • Jun 23, 26GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
  • Nov 26, 25GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
  • May 23, 25StressListing notice (8-K 3.01)8-K 3.01 ↗
  • Mar 18, 25StructureEntered a material agreement+2 more in the same filing8-K 1.01 ↗
  • Nov 12, 24StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
  • Governance4 senior executive changes2023 – 2024show all 4hide
    • Mar 26, 24GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
    • Mar 21, 24GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
    • Sep 20, 23GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
    • Aug 7, 23GovernanceA senior executive left or was appointed+3 more in the same filing8-K 5.02 ↗
  • Nov 14, 22StructureEntered a material agreement+3 more in the same filing8-K 1.01 ↗
  • Jun 1, 22GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
  • Structure5 material agreements entered2020 – 2021show all 5hide
    • Nov 10, 21StructureEntered a material agreement8-K 1.01 ↗
    • Apr 29, 21StructureEntered a material agreement8-K 1.01 ↗
    • Dec 23, 20StructureEntered a material agreement+3 more in the same filing8-K 1.01 ↗
    • Nov 9, 20StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
    • Oct 26, 20StructureEntered a material agreement+4 more in the same filing8-K 1.01 ↗
  • Oct 23, 20StructureA material agreement was terminated8-K 1.02 ↗
  • Oct 5, 20GovernanceA senior executive left or was appointed8-K 5.02 ↗

3 older filings not shown · The record reaches back to Feb 14, 05.

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.

  • Apr 23, 20StressListing notice (8-K 3.01)8-K 3.01 ↗
  • Jan 22, 20StressListing notice (8-K 3.01)8-K 3.01 ↗
  • Jul 19, 19StressListing notice (8-K 3.01)8-K 3.01 ↗
  • Jun 8, 12StressListing notice (8-K 3.01)8-K 3.01 ↗
  • Sep 16, 11StressListing notice (8-K 3.01)8-K 3.01 ↗
  • Jul 6, 10StressListing notice (8-K 3.01)+3 more in the same filing8-K 3.01 ↗
  • Jun 11, 10StressBankruptcy or receivership proceedings+2 more in the same filing8-K 1.03 ↗
  • May 18, 09StressA debt obligation was accelerated+4 more in the same filing8-K 2.04 ↗
  • Oct 20, 05StressPast accounts declared unreliable and being restated+2 more in the same filing8-K 4.02 ↗

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.

  • Radoff Bradley Louis4.7%Mar 17, 25SCHEDULE 13D/A ↗4 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.

  • BlackRock, Inc.6.9%Jun 30, 26SCHEDULE 13G ↗
  • DOMO Capital Management, LLC3.4%Dec 31, 25SCHEDULE 13G/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing

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

  • Sep 14, 26Buy$39KGILBERT E NATHAN↗
  • Aug 11, 26Buy$208KGILBERT E NATHAN↗
  • May 13, 26Buy$22KGILBERT E NATHAN↗
  • May 12, 26Buy$92KGILBERT E NATHAN↗
  • Aug 13, 25Buy$3KJames R SneedChief Commercial Officer↗
  • Nov 13, 24Buy$33KGILBERT E NATHAN↗
  • Nov 13, 24Buy$7KGILBERT E NATHAN↗
  • Nov 12, 24Buy$10KRobert R. OlanderChief Financial Officer↗
  • Nov 12, 24Buy$50KBryon T McGregorPresident & CEO↗
Stock compensation, tax and giftsshow the 31 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.

  • Jun 23, 26Compensationamount n/aMaria G Gray↗
  • Jun 23, 26Compensationamount n/aAlan Robert Tank↗
  • Jun 23, 26Compensationamount n/aGILBERT E NATHAN↗
  • Jun 23, 26Compensationamount n/aDianne S. Nury↗
  • May 14, 26Giftamount n/aAuste M GrahamCLO & Secretary↗
  • Apr 1, 26Tax$158KAuste M GrahamCLO & Secretary↗
  • Apr 1, 26Tax$350KBryon T McGregorPresident & CEO↗
  • Apr 1, 26Tax$107KJames R SneedChief Commercial Officer↗
  • Apr 1, 26Tax$197KRobert R. OlanderChief Financial Officer↗
  • Apr 1, 26Tax$121KTodd E BentonCOO↗
  • Mar 17, 26Compensationamount n/aBryon T McGregorPresident & CEO↗
  • Mar 17, 26Compensationamount n/aAuste M GrahamCLO & Secretary↗
  • Mar 17, 26Compensationamount n/aRobert R. OlanderChief Financial Officer↗
  • Mar 17, 26Compensationamount n/aJames R SneedChief Commercial Officer↗
  • Mar 17, 26Compensationamount n/aTodd E BentonCOO↗
  • Jul 9, 25Compensationamount n/aDianne S. Nury↗
  • Jul 9, 25Compensationamount n/aAlan Robert Tank↗
  • Jul 9, 25Compensationamount n/aJeremy Bezdek↗
  • Jul 9, 25Compensationamount n/aGILBERT E NATHAN↗
  • Jul 9, 25Compensationamount n/aMaria G Gray↗
  • Apr 1, 25Tax$25KAuste M GrahamCLO & Secretary↗
  • Apr 1, 25Tax$66KBryon T McGregorPresident & CEO↗
  • Apr 1, 25Tax$25KRobert R. OlanderChief Financial Officer↗
  • Apr 1, 25Tax$17KTodd E BentonCOO↗
  • Mar 31, 25Compensationamount n/aAuste M GrahamCLO & Secretary↗
  • Mar 31, 25Compensationamount n/aBryon T McGregorPresident & CEO↗
  • Mar 31, 25Compensationamount n/aJames R SneedChief Commercial Officer↗
  • Mar 31, 25Compensationamount n/aRobert R. OlanderChief Financial Officer↗
  • Mar 31, 25Compensationamount n/aTodd E BentonCOO↗
  • Jun 21, 24Tax$173KMichael D Kandris↗
  • Jun 20, 24Compensationamount n/aGILBERT E NATHAN↗

The full record holds 69 transactions and goes back to Mar 14, 23.

Its sector and its market

Alto Ingredients Inc. among Materials 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
1,377 documents on file, from Sep 5, 1997 to Sep 14, 2026.
Company description
No description available.
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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