Updated Jul 16, 2026 · Last SEC filing 2026-06-17
QUAKER CHEMICAL CORP (KWR) has filed 14 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-17. 3 Form 8-K material event filings were reported by KWR in the last 90 days. InsiderAlpha tracks every KWR SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Miscellaneous Products of Petroleum & Coal (SIC 2990) |
|---|---|
| SEC CIK | 0000081362 |
| Form 4 filings (90d) | 14 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Latest Form 4 filing | 2026-06-17 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Coler Thomas | EVP, CFO | F — Tax withholding / forfeiture | 741 | $144.46 | $107K | SEC | |
| Coler Thomas | EVP, CFO | M — Option exercise | 68 | — | — | SEC | |
| Coler Thomas | EVP, CFO | M — Option exercise | 2.4K | — | — | SEC | |
| Shaller Russell | Director | A — Grant or award | 413 | $145.24 | $60K | SEC | |
| BAKHSHI NANDITA | Director | A — Grant or award | 413 | $145.24 | $60K | SEC | |
| Foufopoulos - De Ridder Lucrece | Director | A — Grant or award | 413 | $145.24 | $60K | SEC | |
| DOUGLAS MARK | Director | A — Grant or award | 766 | $0.00 | — | SEC | |
| Foufopoulos - De Ridder Lucrece | Director | F — Tax withholding / forfeiture | 124 | $145.24 | $18K | SEC | |
| Shaller Russell | Director | M — Option exercise | 18 | — | — | SEC | |
| DOUGLAS MARK | Director | M — Option exercise | 18 | — | — | SEC | |
| West Fay | Director | M — Option exercise | 1.2K | — | — | SEC | |
| BAKHSHI NANDITA | Director | M — Option exercise | 18 | — | — | SEC | |
| West Fay | Director | M — Option exercise | 18 | — | — | SEC | |
| Shaller Russell | Director | M — Option exercise | 1.2K | — | — | SEC | |
| BAKHSHI NANDITA | Director | M — Option exercise | 1.2K | — | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for QUAKER CHEMICAL CORP (KWR). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Gulf Hungary Holding Korlatolt Felelossegu Tarsasag | 9 | — |
| QH Hungary Holdings Ltd | 9 | — |
| Foufopoulos - De Ridder Lucrece | 8 | $130K |
| Shaller Russell | 6 | $60K |
| BAKHSHI NANDITA | 6 | $60K |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in KWR insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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