Walter C. Johnsen
Chairman and CEO at Acme United Corporation.
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: TOMI Environmental Solutions Inc., 3 years.
TOMI Environmental Solutions Inc.
Director
Acme United Corporation.
Director · Chairman and CEO
Chief executive roles
Acme United Corporation.
· Chairman and CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jul 29, 2026 | Acme United Corporation. | Option exercise | +30,000 | $23.99 | $719,700 |
| Jul 29, 2026 | Acme United Corporation. | Shares withheld for tax | −20,361 | $59.90 | $1,219,624 |
| May 27, 2026 | Acme United Corporation. | Gift | −5,834 | $42.23 | $246,370 |
| May 13, 2026 | Acme United Corporation. | Option exercise | +30,000 | $23.99 | $719,700 |
| May 13, 2026 | Acme United Corporation. | Shares withheld for tax | −24,166 | $40.53 | $979,448 |
| Feb 27, 2026 | Acme United Corporation. | Option exercise | +30,000 | $21.49 | $644,700 |
| Feb 27, 2026 | Acme United Corporation. | Sold back to the company | −30,000 | $45.88 | $1,376,400 |
| May 12, 2025 | TOMI Environmental Solutions Inc. | Grant or award | +20,000 | $0.85 | $17,000 |
| Feb 28, 2025 | Acme United Corporation. | Option exercise | +15,000 | $21.49 | $322,350 |
| Feb 28, 2025 | Acme United Corporation. | Sold back to the company | −15,000 | $39.09 | $586,350 |
| Dec 5, 2024 | Acme United Corporation. | Gift | −10,000 | $40.00 | $400,000 |
| Aug 30, 2024 | Acme United Corporation. | Option exercise | +6,000 | $19.18 | $115,080 |
| Aug 30, 2024 | Acme United Corporation. | Shares withheld for tax | −4,305 | $44.09 | $189,807 |
| Jul 22, 2024 | Acme United Corporation. | Option exercise | +40,000 | $16.92 | $676,800 |
| Jul 22, 2024 | Acme United Corporation. | Shares withheld for tax | −28,640 | $39.16 | $1,121,542 |
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