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

SNDX

Syndax Pharmaceuticals Inc.
NASDAQHealth Care

Latest close: 12.90 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. Aug 4, 2026Quarterly report · 10-QFiled by the company itself.Open the filing ↗
  2. Aug 4, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
  3. Jul 14, 2026Material event · 8-KFiled by the company itself.Open the filing ↗

In numbers

What this profile holds, counted.

Closes · 1 year250
SEC filings on record59920 flagged findings
Reported transactions (Form 4)80since Feb 2, 2023 · and 2 other holdings
Corporate events (8-K)30since Sep 27, 2021

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.

  • 2026-06-10share offering or dilution eventrecentOpen filing ↗
    “…transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the…”
    +1 more passage from the same document
    • “…even as new information becomes available. Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit No.…”
  • 2026-06-04share offering or dilution eventrecentOpen filing ↗
    “…of the Exchange Act. ☐ Item 1.01 Entry into a Material Agreement. Indenture and Notes On June 3, 2026, Syndax Pharmaceuticals, Inc.…”
    +1 more passage from the same document
    • “…no obligation to update any forward-looking statements contained herein to reflect any change in expectations, even as new…”
  • 2026-06-04capital return (buybacks/dividends)recentOpen filing ↗
    “…to 100% of the principal amount of the Notes to be redeemed, plus accrued and unpaid interest to, but excluding, the redemption date.…”
    +1 more passage from the same document
    • “…plus accrued and unpaid interest to, but excluding, the redemption date. No sinking fund will be provided for the Notes. If the…”
  • 2026-04-30share offering or dilution eventrecentOpen filing ↗
    “…may not be favorable to us. If we are unable to raise additional funds through equity or debt financings when needed, we may be…”
    +1 more passage from the same document
    • “…that we would otherwise prefer to develop and market ourselves. At-the-Market Offering Program In May 2023, we entered into a…”
  • 2026-04-30capital return (buybacks/dividends)recentOpen filing ↗
    “…payments, including the grant of a back-up security interest in the purchased royalties and certain assets related to the product…”
    +1 more passage from the same document
    • “…interest in the purchased royalties and certain assets related to the product and restrictions on the incurrence of additional…”

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 599)

Everything filed

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

  • Aug 7, 26SCHEDULE 13G ↗Passive stake · STATE STREET CORPORATION · 6.4% · event on Jun 30, 26
  • Aug 4, 2610-Q ↗Quarterly report
  • Aug 4, 268-K ↗Current report · Results
  • Jul 14, 268-K ↗Current report · Other events
  • Jul 9, 26Form 4 ↗Insider transaction
  • Notice of proposed sale · 2 Form 144 filingsshow all 2hide
  • Jun 12, 26Form 4 ↗Insider transaction
  • Jun 11, 26Form 144 ↗Notice of proposed sale
  • Jun 10, 268-K ↗Current report · Entered a material agreement
  • Jun 10, 268-K ↗Current report · A senior executive left or was appointed
  • Jun 4, 26DEFA14A ↗Shareholder meeting and votes
  • Jun 4, 268-K ↗Current report · Sold unregistered shares
  • Insider transaction · 2 Form 4 filingsshow all 2hide
  • Notice of proposed sale · 2 Form 144 filingsshow all 2hide
  • May 15, 26SCHEDULE 13G/A ↗Passive stake · Point72 Asset Management, L.P. · 2.3% · event on Mar 31, 26 · amendment
  • Apr 30, 26SCHEDULE 13G ↗Passive stake · Vanguard Capital Management · 5.0% · event on Mar 31, 26
  • Apr 30, 26DEFA14A ↗Shareholder meeting and votes
  • Apr 30, 26DEF 14A ↗Shareholder meeting and votes
  • Apr 30, 2610-Q ↗Quarterly report
  • Apr 30, 268-K ↗Current report · Results
  • Mar 27, 26SCHEDULE 13G/A ↗Passive stake · amendment
  • Feb 26, 2610-K ↗Annual report

599 filings on record, the oldest from Mar 27, 14.

Listing the 25 most recent filings of the 599 on record.

8-Ks, explained

Structure25Governance26
  • Jun 10, 26StructureEntered a material agreement+3 more in the same filing8-K 1.01 ↗
  • Jun 10, 26GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
  • Jun 4, 26StructureSold unregistered shares+4 more in the same filing8-K 3.02 ↗
  • Governance3 senior executive changes2024 – 2025show all 3hide
    • Jun 26, 25GovernanceA senior executive left or was appointed8-K 5.02 ↗
    • May 16, 25GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
    • Dec 20, 24GovernanceA senior executive left or was appointed8-K 5.02 ↗
  • Nov 4, 24StructureEntered a material agreement8-K 1.01 ↗
  • May 15, 24GovernanceA senior executive left or was appointed+3 more in the same filing8-K 5.02 ↗
  • Mar 18, 24GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
  • Dec 15, 23StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
  • May 26, 23StructureA material agreement was terminated+2 more in the same filing8-K 1.02 ↗
  • Governance3 senior executive changes2023show all 3hide
    • May 8, 23GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
    • Mar 30, 23GovernanceA senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
    • Feb 8, 23GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
  • Dec 7, 22StructureEntered a material agreement+1 more in the same filing8-K 1.01 ↗
  • Dec 5, 22GovernanceA senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗

9 older filings not shown · The record reaches back to Jul 6, 16.

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 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.

  • Kynam Capital Management, LP10.0%Dec 31, 24SCHEDULE 13G/A ↗3 co-filers on this document — the figure is the largest single stake, not their sum.
  • BlackRock, Inc.7.8%Mar 31, 25SCHEDULE 13G/A ↗
  • The Vanguard Group7.2%Dec 31, 25SCHEDULE 13G/A ↗
  • THE GOLDMAN SACHS GROUP, INC.6.5%Jun 30, 25SCHEDULE 13G/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing
  • STATE STREET CORPORATION6.4%Jun 30, 26SCHEDULE 13G ↗1 earlier filing
show 3 more holdershide
  • Vanguard Capital Management5.0%Mar 31, 26SCHEDULE 13G ↗
  • Morgan Stanley2.4%Mar 31, 25SCHEDULE 13G/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum.
  • Point72 Asset Management, L.P.2.3%Mar 31, 26SCHEDULE 13G/A ↗3 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.

Sale intention announced

On Jul 8, MICHAEL METZGER filed notice of intent to sell up to $752K. That is about 0.04% of shares outstanding. It is filed under a scheduled plan (10b5-1), arranged in advance.

A notice is not a sale: it may not go ahead, may happen in part, or at a different price.

After the notice, they sold $785K on Jul 8, per their Form 4. That is 100% of the shares announced.

SEC record

Insider transactions

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

Buys and sells

  • Jul 8, 26Sell$785KMichael A MetzgerChief Executive Officer↗
  • Jun 12, 26Sell$567KNicholas A.J. BotwoodHead of R&D, CMO↗
  • Jun 11, 26Sell$617KNicholas A.J. BotwoodHead of R&D, CMO↗
  • Jun 1, 26Sell$130KMichael A MetzgerChief Executive Officer↗
  • Jun 1, 26Sell$22KKeith A. GoldanChief Financial Officer↗
  • Feb 9, 26Sell$72KKeith A. GoldanChief Financial Officer↗
  • Feb 9, 26Sell$361KMichael A MetzgerChief Executive Officer↗
  • Feb 6, 26Sell$43KKeith A. GoldanChief Financial Officer↗
  • Feb 6, 26Sell$153KMichael A MetzgerChief Executive Officer↗
  • Sep 8, 25Sell$2.6MMichael A MetzgerChief Executive Officer↗
  • Aug 18, 25Sell$304KDennis Podlesak↗
  • Aug 15, 25Sell$298KDennis Podlesak↗

There are 6 more transactions in this stretch.

Stock compensation, tax and giftsshow the 22 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.

  • Jul 8, 26Compensation$207KMichael A MetzgerChief Executive Officer↗
  • Jun 12, 26Compensation$432KNicholas A.J. BotwoodHead of R&D, CMO↗
  • Jun 11, 26Compensation$311KNicholas A.J. BotwoodHead of R&D, CMO↗
  • Feb 4, 26Compensationamount n/aPierre Legault↗
  • Feb 4, 26Compensationamount n/aKeith Katkin↗
  • Feb 4, 26Compensationamount n/aAleksandra Rizo↗
  • Feb 4, 26Compensationamount n/aDennis Podlesak↗
  • Feb 4, 26Compensationamount n/aNicholas A.J. BotwoodHead of R&D, CMO↗
  • Feb 4, 26Compensationamount n/aNicholas A.J. BotwoodHead of R&D, CMO↗
  • Feb 4, 26Compensationamount n/aMartin H. Huber Jr.↗
  • Feb 4, 26Compensationamount n/aJennifer Jarrett↗
  • Feb 4, 26Compensationamount n/aKeith A. GoldanChief Financial Officer↗
  • Feb 4, 26Compensationamount n/aKeith A. GoldanChief Financial Officer↗
  • Feb 4, 26Compensationamount n/aMichael A MetzgerChief Executive Officer↗
  • Feb 4, 26Compensationamount n/aMichael A MetzgerChief Executive Officer↗
  • Jan 30, 26Other$10KKeith A. GoldanChief Financial Officer↗
  • Dec 1, 25Giftamount n/aKeith A. GoldanChief Financial Officer↗
  • Sep 8, 25Compensation$1.7MMichael A MetzgerChief Executive Officer↗
  • Aug 18, 25Compensation$138KDennis Podlesak↗
  • Aug 15, 25Compensation$138KDennis Podlesak↗
  • Aug 14, 25Compensation$138KDennis Podlesak↗
  • Jul 31, 25Other$10KKeith A. GoldanChief Financial Officer↗

The full record holds 119 transactions and goes back to Jan 12, 23.

Its sector and its market

Syndax Pharmaceuticals Inc. among Health Care 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
250 clean closes in the period.
SEC records
599 documents on file, from Mar 27, 2014 to Aug 7, 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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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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