The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Dec 13, 2024 | White Douglas L | VP, CAO & Treasurer | Grant(A) | 722 | $6.58 | $5K |
| Sep 1, 2024 | Briggs Lori | VP & President, Ind. Solutions | Tax withholding(F) | 7K | $8.23 | $54K |
| Sep 1, 2024 | Briggs Lori | VP & President, Ind. Solutions | Option exercise(M) | 17K | — | $0 |
| Sep 1, 2024 | Briggs Lori | VP & President, Ind. Solutions | Option exercise(M) | 17K | — | $0 |
| Sep 1, 2024 | Lanigan Matthew | President & CEO, Director | Tax withholding(F) | 13K | $8.23 | $108K |
| Sep 1, 2024 | Lanigan Matthew | President & CEO, Director | Option exercise(M) | 33K | — | $0 |
| Sep 1, 2024 | Lanigan Matthew | President & CEO, Director | Option exercise(M) | 33K | — | $0 |
| Jun 14, 2024 | Briggs Lori | VP & President, Ind. Solutions | Grant(A) | 1K | $5.98 | $8K |
| Jun 14, 2024 | White Douglas L | VP, CAO & Treasurer | Grant(A) | 841 | $5.98 | $5K |
| Jun 1, 2024 | Briggs Lori | VP & President, Ind. Solutions | Option exercise(M) | 16K | — | $0 |
| Jun 1, 2024 | Briggs Lori | VP & President, Ind. Solutions | Tax withholding(F) | 6K | $8.48 | $53K |
| Jun 1, 2024 | Briggs Lori | VP & President, Ind. Solutions | Tax withholding(F) | 10K | $8.48 | $81K |
| Jun 1, 2024 | Briggs Lori | VP & President, Ind. Solutions | Option exercise(M) | 24K | — | $0 |
| Jun 1, 2024 | Briggs Lori | VP & President, Ind. Solutions | Option exercise(M) | 26K | — | $0 |
| Jun 1, 2024 | Briggs Lori | VP & President, Ind. Solutions | Tax withholding(F) | 10K | $8.48 | $88K |
| Jun 1, 2024 | Briggs Lori | VP & President, Ind. Solutions | Option exercise(M) | 26K | — | $0 |
| Jun 1, 2024 | Briggs Lori | VP & President, Ind. Solutions | Option exercise(M) | 16K | — | $0 |
| Jun 1, 2024 | Briggs Lori | VP & President, Ind. Solutions | Option exercise(M) | 24K | — | $0 |
| Jun 1, 2024 | Fruge Mary Celeste | VP, General Counsel | Tax withholding(F) | 6K | $8.48 | $53K |
| Jun 1, 2024 | Fruge Mary Celeste | VP, General Counsel | Tax withholding(F) | 7K | $8.48 | $58K |
| Jun 1, 2024 | Fruge Mary Celeste | VP, General Counsel | Option exercise(M) | 17K | — | $0 |
| Jun 1, 2024 | Fruge Mary Celeste | VP, General Counsel | Tax withholding(F) | 7K | $8.48 | $58K |
| Jun 1, 2024 | Fruge Mary Celeste | VP, General Counsel | Option exercise(M) | 17K | — | $0 |
| Jun 1, 2024 | Lanigan Matthew | President & CEO, Director | Option exercise(M) | 100K | — | $0 |
| Jun 1, 2024 | Lanigan Matthew | President & CEO, Director | Tax withholding(F) | 15K | $8.48 | $124K |
| Jun 1, 2024 | Lanigan Matthew | President & CEO, Director | Option exercise(M) | 109K | — | $0 |
| Jun 1, 2024 | Lanigan Matthew | President & CEO, Director | Tax withholding(F) | 39K | $8.48 | $334K |
| Jun 1, 2024 | Lanigan Matthew | President & CEO, Director | Tax withholding(F) | 43K | $8.48 | $363K |
| Jun 1, 2024 | Lanigan Matthew | President & CEO, Director | Option exercise(M) | 37K | — | $0 |
| Jun 1, 2024 | Lanigan Matthew | President & CEO, Director | Option exercise(M) | 100K | — | $0 |
| Jun 1, 2024 | Lanigan Matthew | President & CEO, Director | Option exercise(M) | 109K | — | $0 |
| Jun 1, 2024 | Lanigan Matthew | President & CEO, Director | Option exercise(M) | 37K | — | $0 |
| Jun 1, 2024 | White Douglas L | VP, CAO & Treasurer | Option exercise(M) | 15K | — | $0 |
| Jun 1, 2024 | White Douglas L | VP, CAO & Treasurer | Option exercise(M) | 17K | — | $0 |
| Jun 1, 2024 | White Douglas L | VP, CAO & Treasurer | Tax withholding(F) | 5K | $8.48 | $39K |
| Jun 1, 2024 | White Douglas L | VP, CAO & Treasurer | Option exercise(M) | 19K | — | $0 |
| Jun 1, 2024 | White Douglas L | VP, CAO & Treasurer | Tax withholding(F) | 4K | $8.48 | $36K |
| Jun 1, 2024 | White Douglas L | VP, CAO & Treasurer | Tax withholding(F) | 4K | $8.48 | $30K |
| Jun 1, 2024 | White Douglas L | VP, CAO & Treasurer | Option exercise(M) | 15K | — | $0 |
| Jun 1, 2024 | White Douglas L | VP, CAO & Treasurer | Option exercise(M) | 17K | — | $0 |
| Jun 1, 2024 | White Douglas L | VP, CAO & Treasurer | Option exercise(M) | 19K | — | $0 |
| Jun 1, 2024 | Paterson David A | VP & President, Fluids Systems | Tax withholding(F) | 7K | $8.48 | $63K |
| Jun 1, 2024 | Paterson David A | VP & President, Fluids Systems | Tax withholding(F) | 9K | $8.48 | $74K |
| Jun 1, 2024 | Paterson David A | VP & President, Fluids Systems | Tax withholding(F) | 8K | $8.48 | $68K |
| Jun 1, 2024 | Paterson David A | VP & President, Fluids Systems | Option exercise(M) | 28K | — | $0 |
| Jun 1, 2024 | Paterson David A | VP & President, Fluids Systems | Option exercise(M) | 31K | — | $0 |
| Jun 1, 2024 | Paterson David A | VP & President, Fluids Systems | Option exercise(M) | 36K | — | $0 |
| Jun 1, 2024 | Paterson David A | VP & President, Fluids Systems | Option exercise(M) | 31K | — | $0 |
| Jun 1, 2024 | Paterson David A | VP & President, Fluids Systems | Option exercise(M) | 36K | — | $0 |
| Jun 1, 2024 | Paterson David A | VP & President, Fluids Systems | Option exercise(M) | 28K | — | $0 |
| Jun 1, 2024 | Piontek Gregg | Senior Vice President and CFO | Tax withholding(F) | 16K | $8.48 | $135K |
| Jun 1, 2024 | Piontek Gregg | Senior Vice President and CFO | Tax withholding(F) | 20K | $8.48 | $171K |
| Jun 1, 2024 | Piontek Gregg | Senior Vice President and CFO | Tax withholding(F) | 17K | $8.48 | $146K |
| Jun 1, 2024 | Piontek Gregg | Senior Vice President and CFO | Option exercise(M) | 40K | — | $0 |
| Jun 1, 2024 | Piontek Gregg | Senior Vice President and CFO | Option exercise(M) | 44K | — | $0 |
| Jun 1, 2024 | Piontek Gregg | Senior Vice President and CFO | Option exercise(M) | 51K | — | $0 |
| Jun 1, 2024 | Piontek Gregg | Senior Vice President and CFO | Option exercise(M) | 44K | — | $0 |
| Jun 1, 2024 | Piontek Gregg | Senior Vice President and CFO | Option exercise(M) | 51K | — | $0 |
| Jun 1, 2024 | Piontek Gregg | Senior Vice President and CFO | Option exercise(M) | 40K | — | $0 |
| May 16, 2024 | Lewis Michael A | Director | Grant(A) | 16K | — | $0 |
| May 16, 2024 | Meer Claudia Michel | Director | Grant(A) | 16K | — | $0 |
| May 16, 2024 | Minge John C | Director | Grant(A) | 16K | — | $0 |
| May 16, 2024 | Robeson Rose M | Director | Grant(A) | 20K | — | $0 |
| May 16, 2024 | Young Donald Win | Director | Grant(A) | 16K | — | $0 |
| May 16, 2024 | Larson Roderick A. | Director | Grant(A) | 16K | — | $0 |
| May 15, 2024 | Briggs Lori | VP & President, Ind. Solutions | Grant(A) | 41K | — | $0 |
| May 15, 2024 | Fruge Mary Celeste | VP, General Counsel | Grant(A) | 29K | — | $0 |
| May 15, 2024 | Lanigan Matthew | President & CEO, Director | Grant(A) | 169K | — | $0 |
| May 15, 2024 | Paterson David A | VP & President, Fluids Systems | Grant(A) | 48K | — | $0 |
| May 15, 2024 | Piontek Gregg | Senior Vice President and CFO | Grant(A) | 68K | — | $0 |
| May 15, 2024 | White Douglas L | VP, CAO & Treasurer | Grant(A) | 24K | — | $0 |
| Dec 14, 2023 | Briggs Lori | VP & President, Ind. Solutions | Grant(A) | 2K | $3.82 | $8K |
| Dec 14, 2023 | Fruge Mary Celeste | VP, General Counsel | Grant(A) | 2K | $3.82 | $8K |
| Dec 14, 2023 | White Douglas L | VP, CAO & Treasurer | Grant(A) | 1K | $3.82 | $5K |
| Nov 20, 2023 | White Douglas L | VP, CAO & Treasurer | Option exercise(M) | 13K | — | $0 |
| Nov 20, 2023 | White Douglas L | VP, CAO & Treasurer | Tax withholding(F) | 3K | $7.19 | $22K |
| Nov 20, 2023 | White Douglas L | VP, CAO & Treasurer | Option exercise(M) | 13K | — | $0 |
| Sep 1, 2023 | Briggs Lori | VP & President, Ind. Solutions | Tax withholding(F) | 7K | $6.13 | $40K |
| Sep 1, 2023 | Briggs Lori | VP & President, Ind. Solutions | Option exercise(M) | 17K | — | $0 |
| Sep 1, 2023 | Briggs Lori | VP & President, Ind. Solutions | Option exercise(M) | 17K | — | $0 |
| Sep 1, 2023 | Lanigan Matthew | President & CEO, Director | Option exercise(M) | 33K | — | $0 |
| Sep 1, 2023 | Lanigan Matthew | President & CEO, Director | Tax withholding(F) | 13K | $6.13 | $80K |
| Sep 1, 2023 | Lanigan Matthew | President & CEO, Director | Option exercise(M) | 33K | — | $0 |
| Aug 21, 2023 | Meer Claudia Michel | Director | Buy(P) | 1K | $5.57 | $7K |
| Aug 16, 2023 | Meer Claudia Michel | Director | Buy(P) | 8K | $5.27 | $42K |
| Jul 15, 2023 | Paterson David A | VP & President, Fluids Systems | Tax withholding(F) | 17K | $5.26 | $92K |
| Jun 14, 2023 | Briggs Lori | VP & President, Ind. Solutions | Grant(A) | 2K | $3.37 | $7K |
| Jun 14, 2023 | Fruge Mary Celeste | VP, General Counsel | Grant(A) | 2K | $3.37 | $7K |
| Jun 14, 2023 | White Douglas L | VP, CAO & Treasurer | Grant(A) | 1K | $3.37 | $4K |
| Jun 2, 2023 | Paterson David A | VP & President, Fluids Systems | Option exercise(M) | 33K | — | $0 |
| Jun 2, 2023 | Paterson David A | VP & President, Fluids Systems | Option exercise(M) | 33K | — | $0 |
| Jun 2, 2023 | Piontek Gregg | Senior Vice President and CFO | Option exercise(M) | 51K | — | $0 |
| Jun 2, 2023 | Piontek Gregg | Senior Vice President and CFO | Option exercise(M) | 51K | — | $0 |
| Jun 2, 2023 | White Douglas L | Vice President, CAO | Option exercise(M) | 17K | — | $0 |
| Jun 2, 2023 | White Douglas L | Vice President, CAO | Option exercise(M) | 17K | — | $0 |
| Jun 1, 2023 | Briggs Lori | VP & President, Ind. Solutions | Tax withholding(F) | 1K | $3.67 | $4K |
| Jun 1, 2023 | Briggs Lori | VP & President, Ind. Solutions | Option exercise(M) | 26K | — | $0 |
| Jun 1, 2023 | Briggs Lori | VP & President, Ind. Solutions | Tax withholding(F) | 6K | $3.67 | $23K |
| Jun 1, 2023 | Briggs Lori | VP & President, Ind. Solutions | Option exercise(M) | 3K | — | $0 |
| Jun 1, 2023 | Briggs Lori | VP & President, Ind. Solutions | Tax withholding(F) | 10K | $3.67 | $38K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-03-29 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).