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See how Context works →On the price, the facts of the public record■Insider buy□Insider sell◆Adverse 8-K filing●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.
- Sep 10, 2026Reported purchase · Form 4Patti A. Humble · $250.0KOpen the filing ↗
- Aug 24, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
- Aug 6, 2026Quarterly report · 10-QFiled by the company itself.Open the filing ↗
In numbers
What this profile holds, counted.
Closes · 1 year250
SEC filings on record54312 flagged findings
Reported transactions (Form 4)42since Jan 22, 2025
Corporate events (8-K)30since Aug 5, 2022
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.
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.
- 2026-08-06capital return (buybacks/dividends)freshOpen filing ↗“…reclassifications for the period, net of tax $ 233 $ 1,565 $ 528 $ 3,171 (1) Amounts in parentheses indicate debits to profit/loss.…”
+1 more passage from the same document
- “…indicate debits to profit/loss. (2) These AOCI components are components of net periodic pension and other postretirement cost (see…”
- 2026-05-05capital return (buybacks/dividends)recentOpen filing ↗“…During the three months ended March 31, 2026, the Company accrued $ 268 of excise tax related to these repurchases, net of shares…”
+1 more passage from the same document
- “…accrued $ 268 of excise tax related to these repurchases, net of shares issued under the Company’s equity incentive program (see…”
Original excerpts from SEC filings, untranslated. Not advice and not a prediction.
The 25 most recent filings (of 543)
Every SEC filing, newest first, with what it is. Below, each type with its own explanation.
- Aug 26, 26Form 3 ↗Insider transaction
- Aug 24, 268-K ↗Current report · A senior executive left or was appointed
- Aug 6, 2610-Q ↗Quarterly report
- Aug 5, 268-K ↗Current report · Results
- Jul 31, 26SCHEDULE 13G ↗Passive stake · Vanguard Portfolio Management · 5.7% · event on Jun 30, 26
- Jul 17, 26Form 144 ↗Notice of proposed sale
- Jul 14, 26SCHEDULE 13G/A ↗Passive stake · Dimensional Fund Advisors LP · 6.0% · event on Jun 30, 26 · amendment
- Jun 30, 268-K ↗Current report · Entered a material agreement
- Jun 3, 26Form 4 ↗Insider transaction
- Jun 2, 26Form 144 ↗Notice of proposed sale
- May 27, 26Form 4 ↗Insider transaction
- May 26, 26Form 3 ↗Insider transaction
- May 21, 268-K ↗Current report · Shareholder vote results
- May 8, 26SCHEDULE 13G/A ↗Passive stake · Hotchkis and Wiley Capital Management, LLC · 4.9% · event on Mar 31, 26 · amendment
- May 5, 2610-Q ↗Quarterly report
- May 5, 268-K ↗Current report · Results
- May 4, 268-K ↗Current report · Entered a material agreement
- Apr 29, 26SCHEDULE 13G ↗Passive stake · Vanguard Capital Management · 5.3% · event on Mar 31, 26
- Apr 24, 26SCHEDULE 13G/A ↗Passive stake · BlackRock, Inc. · 7.7% · event on Mar 31, 26 · amendment
- Apr 15, 26DEF 14A ↗Shareholder meeting and votes
- Mar 26, 26SCHEDULE 13G/A ↗Passive stake · amendment
543 filings on record, the oldest from Jun 9, 17.
Listing the 25 most recent filings of the 543 on record.
23932
- Aug 24, 26A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Jun 30, 26Entered a material agreement+3 more in the same filing8-K 1.01 ↗
- May 4, 26Entered a material agreement+1 more in the same filing8-K 1.01 ↗
- Jan 7, 26A debt obligation was accelerated+3 more in the same filing8-K 2.04 ↗
- Dec 12, 25A senior executive left or was appointed8-K 5.02 ↗
- Sep 11, 25Entered a material agreement+1 more in the same filing8-K 1.01 ↗
- Aug 11, 25A senior executive left or was appointed8-K 5.02 ↗
- Apr 11, 25Took on a new financial obligation+2 more in the same filing8-K 2.03 ↗
- Jan 31, 25Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Dec 16, 24A senior executive left or was appointed8-K 5.02 ↗
- Jun 12, 24Entered a material agreement+2 more in the same filing8-K 1.01 ↗
4 senior executive changes2023 – 2024show all 4hide
- May 9, 24A senior executive left or was appointed8-K/A 5.02 ↗
- May 6, 24A senior executive left or was appointed8-K 5.02 ↗
- Feb 28, 24A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Dec 18, 23A 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 Dec 13, 17.
Stress disclosures older than the timeline above. They are individual events from the record, not a complete timeline: there may be more between them.
- Dec 18, 20A debt obligation was accelerated+4 more in the same filing8-K 2.04 ↗
The full record holds 2 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.
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.
- Rubric Capital Management LP9.1%Sep 30, 25SCHEDULE 13G ↗2 co-filers on this document — the figure is the largest single stake, not their sum.
- BlackRock, Inc.7.7%Mar 31, 26SCHEDULE 13G/A ↗
- Dimensional Fund Advisors LP6.0%Jun 30, 26SCHEDULE 13G/A ↗
- Vanguard Portfolio Management5.7%Jun 30, 26SCHEDULE 13G ↗
- Vanguard Capital Management5.3%Mar 31, 26SCHEDULE 13G ↗
show one more holderhide
- Hotchkis and Wiley Capital Management, LLC4.9%Mar 31, 26SCHEDULE 13G/A ↗2 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 17, Susan Ward filed notice of intent to sell up to $386K. That is about 0.03% of shares outstanding.
A notice is not a sale: it may not go ahead, may happen in part, or at a different price.
The 90-day window closed with no sale of theirs on record in Form 4.
Stock compensation, tax and giftsshow the 37 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.
- Aug 24, 26Compensationamount n/aLaurie BergmanSee Remarks↗
- May 26, 26Compensation$124KPatti A. Humble↗
- Mar 12, 26Compensation$116KKurt BittingSee Remarks↗
- Mar 4, 26Compensation$125KJoseph S. KoscinskiSee Remarks↗
- Mar 4, 26Compensation$125KMichael FeehanSee Remarks↗
- Feb 3, 26Compensationamount n/aBryan K. Brown↗
- Feb 3, 26Tax$50KMichael FeehanSee Remarks↗
- Feb 3, 26Compensationamount n/aMichael FeehanSee Remarks↗
- Feb 3, 26Compensationamount n/aDonald L. Althoff↗
- Feb 3, 26Compensationamount n/aJoseph S. KoscinskiSee Remarks↗
- Feb 3, 26Compensationamount n/aSusan F Ward↗
- Feb 3, 26Tax$267KKurt BittingSee Remarks↗
- Feb 3, 26Compensationamount n/aKurt BittingSee Remarks↗
- Feb 3, 26Compensationamount n/aSarah Lorance↗
- Feb 3, 26Compensationamount n/aAnna C Catalano↗
- Feb 3, 26Compensationamount n/aKevin Michael Fogarty↗
- Feb 3, 26Compensationamount n/aDavid A. Bradley↗
- Jan 22, 26Tax$174KKurt BittingSee Remarks↗
- Jan 22, 26Tax$46KMichael FeehanSee Remarks↗
- Jan 5, 26Tax$61KMichael FeehanSee Remarks↗
- Jan 5, 26Tax$158KKurt BittingSee Remarks↗
- Feb 3, 25Compensationamount n/aAnna C Catalano↗
- Feb 3, 25Compensationamount n/aKevin Michael Fogarty↗
- Feb 3, 25Compensationamount n/aJoseph S. KoscinskiSee Remarks↗
- Feb 3, 25Compensationamount n/aMichael FeehanSee Remarks↗
- Feb 3, 25Compensationamount n/aBryan K. Brown↗
- Feb 3, 25Compensationamount n/aDonald L. Althoff↗
- Feb 3, 25Compensationamount n/aSarah Lorance↗
- Feb 3, 25Compensationamount n/aPaul WhittlestonSee Remarks↗
- Feb 3, 25Compensationamount n/aSusan F Ward↗
- Feb 3, 25Compensationamount n/aKurt BittingSee Remarks↗
- Feb 3, 25Compensationamount n/aGeorge L. Vann Jr.See Remarks↗
- Feb 3, 25Compensationamount n/aDavid A. Bradley↗
- Jan 22, 25Tax$24KPaul WhittlestonSee Remarks↗
- Jan 22, 25Tax$44KJoseph S. KoscinskiSee Remarks↗
- Jan 22, 25Tax$19KMichael FeehanSee Remarks↗
- Jan 22, 25Tax$114KKurt BittingSee Remarks↗
The full record holds 116 transactions and goes back to Jan 5, 23.
Its sector and its market
Ecovyst Inc. among Materials companies
The profile shows what is on record. Context and Radar place the company among those of its sector and region.
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- 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
- 543 documents on file, from Jun 9, 2017 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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