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 |
|---|---|---|---|---|---|---|
| Feb 2, 2026 | Zamansky Stephen | SVP, Gen Counsel & Sec | Disposed to issuer(D) | 20K | — | $0 |
| Feb 2, 2026 | Zamansky Stephen | SVP, Gen Counsel & Sec | Grant(A) | 15K | — | $0 |
| Feb 2, 2026 | Zamansky Stephen | SVP, Gen Counsel & Sec | Disposed to issuer(D) | 16K | — | $0 |
| Feb 2, 2026 | Zamansky Stephen | SVP, Gen Counsel & Sec | Disposed to issuer(D) | 31K | — | $0 |
| Feb 2, 2026 | Zamansky Stephen | SVP, Gen Counsel & Sec | Disposed to issuer(D) | 15K | — | $0 |
| Feb 2, 2026 | Canan John | Director | Disposed to issuer(D) | 63K | — | $0 |
| Feb 2, 2026 | Canan John | Director | Disposed to issuer(D) | 2K | — | $0 |
| Feb 2, 2026 | Campbell Amy A. | Senior VP & CFO | Disposed to issuer(D) | 11K | — | $0 |
| Feb 2, 2026 | Campbell Amy A. | Senior VP & CFO | Grant(A) | 14K | — | $0 |
| Feb 2, 2026 | Campbell Amy A. | Senior VP & CFO | Disposed to issuer(D) | 16K | — | $0 |
| Feb 2, 2026 | Campbell Amy A. | Senior VP & CFO | Disposed to issuer(D) | 12K | — | $0 |
| Feb 2, 2026 | Campbell Amy A. | Senior VP & CFO | Disposed to issuer(D) | 14K | — | $0 |
| Feb 2, 2026 | Dutil Charles | Director | Disposed to issuer(D) | 2K | — | $0 |
| Feb 2, 2026 | Dutil Charles | Director | Disposed to issuer(D) | 45K | — | $0 |
| Feb 2, 2026 | Augustine Cynthia | Director | Disposed to issuer(D) | 2K | — | $0 |
| Feb 2, 2026 | Augustine Cynthia | Director | Disposed to issuer(D) | 5K | — | $0 |
| Feb 2, 2026 | Dauch David C | Director | Disposed to issuer(D) | 4K | — | $0 |
| Feb 2, 2026 | Dauch David C | Director | Disposed to issuer(D) | 2K | — | $0 |
| Feb 2, 2026 | LaDue Joseph | VP, Corp. Controller & CAO | Disposed to issuer(D) | 13K | — | $0 |
| Feb 2, 2026 | LaDue Joseph | VP, Corp. Controller & CAO | Disposed to issuer(D) | 7K | — | $0 |
| Feb 2, 2026 | Steele Kathleen M. | Director | Disposed to issuer(D) | 2K | — | $0 |
| Feb 2, 2026 | Steele Kathleen M. | Director | Disposed to issuer(D) | 9K | — | $0 |
| Feb 2, 2026 | Skonieczny Jr. Mark A | President & CEO, Director | Disposed to issuer(D) | 120K | — | $0 |
| Feb 2, 2026 | Skonieczny Jr. Mark A | President & CEO, Director | Disposed to issuer(D) | 76K | — | $0 |
| Feb 2, 2026 | Skonieczny Jr. Mark A | President & CEO, Director | Disposed to issuer(D) | 329K | — | $0 |
| Feb 2, 2026 | Skonieczny Jr. Mark A | President & CEO, Director | Disposed to issuer(D) | 89K | — | $0 |
| Feb 2, 2026 | Skonieczny Jr. Mark A | President & CEO, Director | Grant(A) | 76K | — | $0 |
| Feb 2, 2026 | Oconnell Maureen | Director | Disposed to issuer(D) | 13K | — | $0 |
| Feb 2, 2026 | Oconnell Maureen | Director | Disposed to issuer(D) | 2K | — | $0 |
| Dec 29, 2025 | Zamansky Stephen | SVP, Gen Counsel & Sec | Grant(A) | 5K | — | $0 |
| Dec 29, 2025 | Zamansky Stephen | SVP, Gen Counsel & Sec | Tax withholding(F) | 8K | $61.44 | $508K |
| Dec 29, 2025 | Zamansky Stephen | SVP, Gen Counsel & Sec | Tax withholding(F) | 2K | $61.44 | $137K |
| Dec 29, 2025 | Skonieczny Jr. Mark A | President & CEO, Director | Tax withholding(F) | 11K | $61.44 | $678K |
| Dec 29, 2025 | Skonieczny Jr. Mark A | President & CEO, Director | Grant(A) | 25K | — | $0 |
| Dec 29, 2025 | Skonieczny Jr. Mark A | President & CEO, Director | Tax withholding(F) | 51K | $61.44 | $3.1M |
| Dec 29, 2025 | Campbell Amy A. | Senior VP & CFO | Tax withholding(F) | 2K | $61.44 | $123K |
| Dec 29, 2025 | Campbell Amy A. | Senior VP & CFO | Grant(A) | 5K | — | $0 |
| Dec 29, 2025 | Campbell Amy A. | Senior VP & CFO | Tax withholding(F) | 4K | $61.44 | $235K |
| Dec 29, 2025 | LaDue Joseph | VP, Corp. Controller & CAO | Tax withholding(F) | 3K | $61.44 | $200K |
| Dec 3, 2025 | Dutil Charles | Director | Grant(A) | 2K | — | $0 |
| Dec 3, 2025 | Augustine Cynthia | Director | Grant(A) | 2K | — | $0 |
| Dec 3, 2025 | Oconnell Maureen | Director | Grant(A) | 2K | — | $0 |
| Dec 3, 2025 | Steele Kathleen M. | Director | Grant(A) | 2K | — | $0 |
| Dec 3, 2025 | Dauch David C | Director | Grant(A) | 2K | — | $0 |
| Dec 3, 2025 | Canan John | Director | Grant(A) | 2K | — | $0 |
| Dec 3, 2025 | LaDue Joseph | VP, Corp. Controller & CAO, Director | Grant(A) | 3K | — | $0 |
| Dec 3, 2025 | Skonieczny Jr. Mark A | President & CEO, Director | Grant(A) | 59K | — | $0 |
| Dec 3, 2025 | Campbell Amy A. | Senior VP & CFO | Grant(A) | 10K | — | $0 |
| Dec 3, 2025 | Zamansky Stephen | SVP, Gen Counsel & Sec | Grant(A) | 5K | — | $0 |
| Dec 3, 2025 | Zamansky Stephen | SVP, Gen Counsel & Sec | Tax withholding(F) | 5K | — | $0 |
| Dec 3, 2025 | Zamansky Stephen | SVP, Gen Counsel & Sec | Grant(A) | 12K | — | $0 |
| Dec 3, 2025 | Zamansky Stephen | SVP, Gen Counsel & Sec | Tax withholding(F) | 2K | — | $0 |
| Jun 6, 2025 | Skonieczny Jr. Mark A | President & CEO, Director | Sell(S) | 93K | $43.83 | $4.1M |
| Jan 13, 2025 | LaDue Joseph | VP, Corp. Controller & CAO | Sell(S) | 5K | $32.21 | $146K |
| Dec 31, 2024 | Campbell Amy A. | Senior VP & CFO | Tax withholding(F) | 3K | $31.87 | $83K |
| Dec 31, 2024 | LaDue Joseph | VP, Corp. Controller & CAO | Tax withholding(F) | 3K | $31.87 | $107K |
| Dec 31, 2024 | Zamansky Stephen | SVP, Gen Counsel & Sec | Tax withholding(F) | 5K | $31.87 | $152K |
| Dec 31, 2024 | Skonieczny Jr. Mark A | President & CEO, Director | Tax withholding(F) | 52K | $31.87 | $1.7M |
| Dec 5, 2024 | Skonieczny Jr. Mark A | President & CEO, Director | Grant(A) | 46K | — | $0 |
| Dec 5, 2024 | Canan John | Director | Grant(A) | 4K | — | $0 |
| Dec 5, 2024 | Steele Kathleen M. | Director | Grant(A) | 4K | — | $0 |
| Dec 5, 2024 | Augustine Cynthia | Director | Grant(A) | 4K | — | $0 |
| Dec 5, 2024 | Dauch David C | Director | Grant(A) | 4K | — | $0 |
| Dec 5, 2024 | Dutil Charles | Director | Grant(A) | 4K | — | $0 |
| Dec 5, 2024 | Zamansky Stephen | SVP, Gen Counsel & Sec | Grant(A) | 15K | — | $0 |
| Dec 5, 2024 | Zamansky Stephen | SVP, Gen Counsel & Sec | Grant(A) | 9K | — | $0 |
| Dec 5, 2024 | Campbell Amy A. | Senior VP & CFO | Grant(A) | 8K | — | $0 |
| Dec 5, 2024 | LaDue Joseph | VP, Corp. Controller & CAO | Grant(A) | 5K | — | $0 |
| Dec 5, 2024 | Oconnell Maureen | Director | Grant(A) | 4K | — | $0 |
| Oct 11, 2024 | Dauch David C | Director | Grant(A) | 333 | — | $0 |
| Sep 18, 2024 | Dutil Charles | Director | Sell(S) | 13K | $28.50 | $356K |
| Sep 4, 2024 | Skonieczny Jr. Mark A | President & CEO, Director | Tax withholding(F) | 74K | $26.86 | $2.0M |
| Sep 4, 2024 | Skonieczny Jr. Mark A | President & CEO, Director | Grant(A) | 170K | — | $0 |
| May 30, 2024 | Augustine Cynthia | Director | Grant(A) | 2K | — | $0 |
| Apr 15, 2024 | Campbell Amy A. | Senior VP & CFO | Grant(A) | 24K | — | $0 |
| Mar 15, 2024 | American Industrial Partners Capital Fund IV (Parallel), L.P. | Insider | Sell(S) | 7.4M | $17.25 | $127.6M |
| Feb 20, 2024 | American Industrial Partners Capital Fund IV (Parallel), L.P. | 10% Owner | Sell(S) | 18.4M | $15.76 | $290.0M |
| Jan 10, 2024 | Steele Kathleen M. | Director | Grant(A) | 5K | — | $0 |
| Dec 29, 2023 | Skonieczny Jr. Mark A | President, CEO & Interim CFO, Director | Tax withholding(F) | 53K | $18.17 | $971K |
| Dec 29, 2023 | LaDue Joseph | VP, Corp. Controller & CAO | Tax withholding(F) | 2K | $18.17 | $42K |
| Dec 8, 2023 | Dutil Charles | Director | Grant(A) | 7K | — | $0 |
| Dec 8, 2023 | Canan John | Director | Grant(A) | 7K | — | $0 |
| Dec 8, 2023 | Oconnell Maureen | Director | Grant(A) | 7K | — | $0 |
| Dec 8, 2023 | Viola Donn J | Director | Grant(A) | 7K | — | $0 |
| Dec 8, 2023 | LaDue Joseph | VP, Corp. Controller & CAO | Grant(A) | 9K | — | $0 |
| Dec 8, 2023 | Skonieczny Jr. Mark A | President, CEO & Interim CFO, Director | Grant(A) | 174K | — | $0 |
| Oct 31, 2023 | Zamansky Stephen | SVP, Gen Counsel & Sec | Grant(A) | 44K | — | $0 |
| Aug 25, 2023 | Oconnell Maureen | Director | Grant(A) | 3K | — | $0 |
| May 18, 2023 | Skonieczny Jr. Mark A | Chief Executive Officer | Grant(A) | 80K | — | $0 |
| Jan 26, 2023 | Skonieczny Jr. Mark A | CFO and Interim CEO | Grant(A) | 20K | — | $0 |
| Dec 31, 2022 | Boettinger Stephen W. | General Counsel | Tax withholding(F) | 16K | $12.62 | $197K |
| Dec 31, 2022 | Skonieczny Jr. Mark A | Chief Financial Officer | Tax withholding(F) | 32K | $12.62 | $408K |
| Dec 31, 2022 | Daniels Christopher M | Chief Human Resources Officer | Tax withholding(F) | 16K | $12.62 | $198K |
| Dec 31, 2022 | Rushing Rodney M | Chief Executive Officer, Director | Tax withholding(F) | 137K | $12.62 | $1.7M |
| Dec 31, 2022 | LaDue Joseph | Chief Accounting Officer | Tax withholding(F) | 904 | $12.62 | $11K |
| Dec 8, 2022 | Dutil Charles | Director | Grant(A) | 8K | — | $0 |
| Dec 8, 2022 | Daniels Christopher M | Chief Human Resources Officer | Grant(A) | 30K | — | $0 |
| Dec 8, 2022 | Skonieczny Jr. Mark A | Chief Financial Officer | Grant(A) | 53K | — | $0 |
| Dec 8, 2022 | Boettinger Stephen W. | General Counsel | Grant(A) | 30K | — | $0 |
| Dec 8, 2022 | Rushing Rodney M | Chief Executive Officer, Director | Grant(A) | 196K | — | $0 |
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).