Acme United Corp also files under ACO; those filings are included.
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 |
|---|---|---|---|---|---|---|
| Aug 18, 2026 | Olschan Brian S | President and COO, Director | Sell(S) | 3K | $61.63 | $204K |
| Aug 18, 2026 | Olschan Brian S | President and COO, Director | Sell(S) | 4K | $61.36 | $245K |
| Aug 13, 2026 | Barker Brian | Director | Sell(S) | 4K | $60.50 | $231K |
| Aug 13, 2026 | Olschan Brian S | President and COO, Director | Option exercise(M) | 20K | $19.48 | $390K |
| Aug 13, 2026 | Olschan Brian S | President and COO, Director | Option exercise(M) | 20K | $19.48 | $390K |
| Aug 13, 2026 | Olschan Brian S | President and COO, Director | Tax withholding(F) | 13K | $60.77 | $771K |
| Aug 12, 2026 | Olschan Brian S | President and COO, Director | Sell(S) | 339 | $58.39 | $20K |
| Aug 11, 2026 | Barker Brian | Director | Option exercise(M) | 4K | $21.20 | $85K |
| Aug 11, 2026 | Barker Brian | Director | Option exercise(M) | 4K | $21.20 | $85K |
| Aug 11, 2026 | Olschan Brian S | President and COO, Director | Sell(S) | 159 | $57.99 | $9K |
| Aug 11, 2026 | Barker Brian | Director | Tax withholding(F) | 1K | $57.35 | $85K |
| Aug 10, 2026 | Olschan Brian S | President and COO, Director | Sell(S) | 5K | $57.07 | $303K |
| Aug 10, 2026 | Davidson Rex Lynn | Director | Sell(S) | 4K | $56.48 | $208K |
| Aug 7, 2026 | Olschan Brian S | President and COO, Director | Sell(S) | 125 | $55.72 | $7K |
| Aug 5, 2026 | Davidson Rex Lynn | Director | Option exercise(M) | 5K | $28.20 | $141K |
| Aug 5, 2026 | Davidson Rex Lynn | Director | Option exercise(M) | 5K | $28.20 | $141K |
| Aug 5, 2026 | Olschan Brian S | President and COO, Director | Sell(S) | 4K | $55.51 | $222K |
| Aug 5, 2026 | Davidson Rex Lynn | Director | Tax withholding(F) | 3K | $55.43 | $141K |
| Aug 4, 2026 | Olschan Brian S | President and COO, Director | Sell(S) | 981 | $56.75 | $56K |
| Aug 3, 2026 | Olschan Brian S | President and COO, Director | Sell(S) | 1 | $58.00 | $58 |
| Jul 29, 2026 | Conway Paul J | Director | Grant(A) | 3K | $59.90 | $150K |
| Jul 29, 2026 | Driscoll Paul G | Chief Financial Officer | Tax withholding(F) | 10K | $59.90 | $617K |
| Jul 29, 2026 | Davidson Rex Lynn | Director | Grant(A) | 3K | $59.90 | $150K |
| Jul 29, 2026 | Holden Richmond Y JR | Director | Grant(A) | 3K | $59.90 | $150K |
| Jul 29, 2026 | Barker Brian | Director | Grant(A) | 3K | $59.90 | $150K |
| Jul 29, 2026 | Driscoll Paul G | Chief Financial Officer | Grant(A) | 15K | $59.90 | $899K |
| Jul 29, 2026 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Option exercise(M) | 30K | $23.99 | $720K |
| Jul 29, 2026 | Driscoll Paul G | Chief Financial Officer | Option exercise(M) | 15K | $24.92 | $374K |
| Jul 29, 2026 | Olschan Brian S | President and COO, Director | Grant(A) | 20K | $59.90 | $1.2M |
| Jul 29, 2026 | Murphy Susan H | Director | Grant(A) | 3K | $59.90 | $150K |
| Jul 29, 2026 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Grant(A) | 25K | $59.90 | $1.5M |
| Jul 29, 2026 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Option exercise(M) | 30K | $23.99 | $720K |
| Jul 29, 2026 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Tax withholding(F) | 20K | $59.90 | $1.2M |
| Jul 29, 2026 | Driscoll Paul G | Chief Financial Officer | Option exercise(M) | 15K | $24.92 | $374K |
| Jul 24, 2026 | Holden Richmond Y JR | Director | Option exercise(M) | 2K | $21.75 | $41K |
| Jul 24, 2026 | Holden Richmond Y JR | Director | Tax withholding(F) | 788 | $52.45 | $41K |
| Jul 24, 2026 | Holden Richmond Y JR | Director | Option exercise(M) | 2K | $21.75 | $41K |
| Jul 24, 2026 | Olschan Brian S | President and COO, Director | Option exercise(M) | 35K | $22.66 | $793K |
| Jul 24, 2026 | Holden Richmond Y JR | Director | Option exercise(M) | 2K | $21.20 | $32K |
| Jul 24, 2026 | Olschan Brian S | President and COO, Director | Tax withholding(F) | 24K | $53.94 | $1.3M |
| Jul 24, 2026 | Holden Richmond Y JR | Director | Option exercise(M) | 2K | $21.20 | $32K |
| Jul 24, 2026 | Holden Richmond Y JR | Director | Tax withholding(F) | 606 | $52.45 | $32K |
| Jul 24, 2026 | Olschan Brian S | President and COO, Director | Option exercise(M) | 35K | $22.66 | $793K |
| May 28, 2026 | Olschan Brian S | President and COO, Director | Sell(S) | 5K | $42.00 | $203K |
| May 27, 2026 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Gift(G) | 6K | $42.23 | $246K |
| May 21, 2026 | Olschan Brian S | President and COO, Director | Option exercise(M) | 20K | $24.92 | $498K |
| May 21, 2026 | Olschan Brian S | President and COO, Director | Tax withholding(F) | 15K | $43.21 | $657K |
| May 21, 2026 | Olschan Brian S | President and COO, Director | Option exercise(M) | 20K | $24.92 | $498K |
| May 13, 2026 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Option exercise(M) | 30K | $23.99 | $720K |
| May 13, 2026 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Tax withholding(F) | 24K | $40.53 | $979K |
| May 13, 2026 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Option exercise(M) | 30K | $23.99 | $720K |
| Mar 3, 2026 | Murphy Susan H | Director | Gift(G) | 1K | $44.08 | $53K |
| Mar 2, 2026 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Grant(A) | 25K | $44.77 | $1.1M |
| Mar 2, 2026 | Driscoll Paul G | Chief Financial Officer | Grant(A) | 15K | $44.77 | $672K |
| Mar 2, 2026 | Olschan Brian S | President and COO, Director | Grant(A) | 20K | $44.77 | $895K |
| Feb 27, 2026 | Olschan Brian S | President and COO, Director | Option exercise(M) | 15K | $24.92 | $374K |
| Feb 27, 2026 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Disposed to issuer(D) | 30K | $45.88 | $1.4M |
| Feb 27, 2026 | Olschan Brian S | President and COO, Director | Option exercise(M) | 15K | $24.92 | $374K |
| Feb 27, 2026 | Driscoll Paul G | Chief Financial Officer | Option exercise(M) | 15K | $21.49 | $322K |
| Feb 27, 2026 | Olschan Brian S | President and COO, Director | Disposed to issuer(D) | 15K | $45.88 | $688K |
| Feb 27, 2026 | Driscoll Paul G | Chief Financial Officer | Disposed to issuer(D) | 15K | $45.88 | $688K |
| Feb 27, 2026 | Driscoll Paul G | Chief Financial Officer | Option exercise(M) | 15K | $21.49 | $322K |
| Feb 27, 2026 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Option exercise(M) | 30K | $21.49 | $645K |
| Feb 27, 2026 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Option exercise(M) | 30K | $21.49 | $645K |
| Sep 5, 2025 | Holden Richmond Y JR | Director | Option exercise(M) | 3K | $21.20 | $53K |
| Sep 5, 2025 | Holden Richmond Y JR | Director | Disposed to issuer(D) | 3K | $44.36 | $111K |
| Sep 5, 2025 | Holden Richmond Y JR | Director | Option exercise(M) | 3K | $21.20 | $53K |
| Aug 13, 2025 | Holden Richmond Y JR | Director | Option exercise(M) | 3K | $22.66 | $57K |
| Aug 13, 2025 | Holden Richmond Y JR | Director | Disposed to issuer(D) | 3K | $44.58 | $111K |
| Aug 13, 2025 | Holden Richmond Y JR | Director | Option exercise(M) | 3K | $22.66 | $57K |
| Aug 12, 2025 | Holden Richmond Y JR | Director | Grant(A) | 3K | $43.40 | $109K |
| Aug 12, 2025 | Davidson Rex Lynn | Director | Grant(A) | 3K | $43.40 | $109K |
| Aug 12, 2025 | Barker Brian | Director | Grant(A) | 3K | $43.40 | $109K |
| Aug 12, 2025 | Conway Paul J | Director | Grant(A) | 3K | $43.40 | $109K |
| Aug 12, 2025 | Murphy Susan H | Director | Grant(A) | 3K | $43.40 | $109K |
| Jul 30, 2025 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Grant(A) | 25K | $40.60 | $1.0M |
| Jul 30, 2025 | Olschan Brian S | President and COO, Director | Grant(A) | 20K | $40.60 | $812K |
| Jul 30, 2025 | Driscoll Paul G | Chief Financial Officer | Grant(A) | 15K | $40.60 | $609K |
| Jul 29, 2025 | Murphy Susan H | Director | Gift(G) | 120 | $42.61 | $5K |
| Jun 3, 2025 | Olschan Brian S | President and COO, Director | Sell(S) | 1K | $40.01 | $40K |
| Jun 2, 2025 | Olschan Brian S | President and COO, Director | Sell(S) | 809 | $39.95 | $32K |
| May 20, 2025 | Olschan Brian S | President and COO, Director | Sell(S) | 306 | $39.90 | $12K |
| May 19, 2025 | Olschan Brian S | President and COO, Director | Sell(S) | 690 | $39.90 | $28K |
| May 16, 2025 | Olschan Brian S | President and COO, Director | Sell(S) | 5K | $39.95 | $200K |
| May 15, 2025 | Olschan Brian S | President and COO, Director | Sell(S) | 2K | $39.95 | $91K |
| Apr 28, 2025 | Olschan Brian S | President and COO, Director | Sell(S) | 138 | $41.12 | $6K |
| Apr 18, 2025 | Olschan Brian S | President and COO, Director | Option exercise(M) | 45K | $23.99 | $1.1M |
| Apr 18, 2025 | Olschan Brian S | President and COO, Director | Tax withholding(F) | 35K | $41.38 | $1.4M |
| Apr 18, 2025 | Olschan Brian S | President and COO, Director | Option exercise(M) | 45K | $23.99 | $1.1M |
| Feb 28, 2025 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Disposed to issuer(D) | 15K | $39.09 | $586K |
| Feb 28, 2025 | Murphy Susan H | Director | Option exercise(M) | 5K | $19.23 | $96K |
| Feb 28, 2025 | Murphy Susan H | Director | Option exercise(M) | 5K | $19.23 | $96K |
| Feb 28, 2025 | Murphy Susan H | Director | Disposed to issuer(D) | 5K | $39.09 | $195K |
| Feb 28, 2025 | Davidson Rex Lynn | Director | Option exercise(M) | 5K | $19.23 | $96K |
| Feb 28, 2025 | Davidson Rex Lynn | Director | Disposed to issuer(D) | 5K | $39.09 | $195K |
| Feb 28, 2025 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Option exercise(M) | 15K | $21.49 | $322K |
| Feb 28, 2025 | Davidson Rex Lynn | Director | Option exercise(M) | 5K | $19.23 | $96K |
| Feb 28, 2025 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Option exercise(M) | 15K | $21.49 | $322K |
| Dec 5, 2024 | Johnsen Walter C | Chairman and CEO, Director, 10% Owner | Gift(G) | 10K | $40.00 | $400K |
| Dec 3, 2024 | Driscoll Paul G | Chief Financial Officer | Sell(S) | 1K | $43.32 | $43K |
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.
Issuer: Acme United Corp, SEC CIK 0000002098. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under ACU and shows every filing by that issuer (also filed as ACO).
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-12. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for ACU