Latest filingSep 14, 2026Most recent Form 4
ECVT
Ecovyst Inc.
NYSEIndustrialsChemicals & Allied Products
Insider activity for last month from 08/14 to 09/14. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$24.9M1 buys
Total selling$00 sells
Net open-market+$24.9M2 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period2transactions
- A · Grants / awards · dominant1 · 50%
- P · Open-market buys1 · 50%
Activity by reported role
A joint filing can contribute to multiple roles2transactions
- Director · dominant1 · 50%
- SR1 · 50%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (1)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeBergman LaurieCommon Stock · Direct
43,353Aug 24, 2026
Humble Patti A.Common Stock · Direct
33,974Sep 10, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 14 → Sep 14
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Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
ECVT transaction history
Filters apply within this company and selected period by defaultLatest insider transactions
Form 4 filings from last month. Click any column to sort; click it again to flip the order.
Ecovyst Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Ecovyst Inc.?
Humble Patti A., Bergman Laurie.
When was the latest reported open-market purchase?
Humble Patti A. reported a buy on Sep 10, 2026 valued at $24.9M. Read the SEC filing.
When was the latest reported open-market sale?
No code-S sale is available for this period.
What is the recent purchase and sale balance?
Net open-market buying in the selected period was $249,993.75. This describes filed transactions, not a bullish rating.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.