NYSE · CIK 0000002098
ACU ACME UNITED CORP
Insider trading from SEC Form 4. Last filing Aug 19, 2026. Close $62.15 on Oct 9, 2026, +77% from the 52-week low and -2% from the high.
In brief
ACME UNITED CORP (ACU) has 44 SEC Form 4 filings on file from 8 insiders, the latest filed on Aug 19, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 4 open-market sells worth $1.5M, net -$1.5M.
10 open-market trades have been scored at ACU. The newest: Brian S Olschan (President and COO) sold $449k of stock on Aug 18, 2026, filed Aug 19, 2026, scored 57 (moderate). The largest of the 10 shown: Brian S Olschan (President and COO) sold $616k on Aug 3, 2026, scored 60 (notable). 3 insiders sold within 14 days of each other around Aug 18, 2026.
9 Form 144 notices of planned sales are on file, the latest filed Aug 17, 2026.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at ACME UNITED CORP, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 57Moderate | Brian S Olschan President and COO sell | $449k 7,308 shares | -15% | +79% from low0% from high | |
| 63Notable | Brian Barker director sell | $231k 3,821 shares | -100% | +73% from low0% from high | |
| 60Notable | Brian S Olschan President and COO sell | $616k 10,909 shares | -21% | +64% from low-4% from high | |
| 47Moderate | Rex Lynn Davidson director sell | $208k 3,684 shares | -100% | +61% from low-6% from high | |
| 37Weak | Brian S Olschan President and COO sell | $203k 4,833 shares | -11% | +20% from low-8% from high | |
| 28Weak | Brian S Olschan President and COO sell | $72k 1,810 shares | -4% | +16% from low-10% from high | |
| 26Weak | Brian S Olschan President and COO sell | $40k 996 shares | -2% | +17% from low-9% from high | |
| 39Weak | Brian S Olschan President and COO sell | $297k 7,423 shares | -14% | +18% from low-9% from high | |
| 28Weak | Paul G Driscoll Chief Financial Officer sell | $43k 1,000 shares | -2% | - | |
| 31Weak | Paul G Driscoll Chief Financial Officer sell | $89k 2,000 shares | -4% | - |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 17, 2026 | OLSCHAN BRIAN S Officer | 7,308 0.19% of outstanding | $453k | Aug 17, 2026 | $819k |
| Aug 10, 2026 | Rex Davidson Director | 3,684 0.08% of outstanding | $208k | Aug 10, 2026 | none |
| Aug 3, 2026 | OLSCHAN BRIAN S Policy-Making Officer | 10,909 0.29% of outstanding | $620k | Jul 31, 2026 | $203k |
| May 26, 2026 | OLSCHAN BRIAN S Policy-Making Officer | 4,833 0.13% of outstanding | $204k | May 22, 2026 | $688k |
| Apr 28, 2025 | OLSCHAN BRIAN S Officer | 10,335 0.28% of outstanding | $423k | Apr 28, 2025 | none |
| Dec 3, 2024 | DRISCOLL PAUL G Officer | 1,000 0.03% of outstanding | $44k | Dec 3, 2024 | $89k |
| Nov 29, 2024 | DRISCOLL PAUL G Officer | 2,000 0.05% of outstanding | $90k | Nov 29, 2024 | none |
| Nov 22, 2023 | Davidson Rex Lynn Director | 5,000 0.14% of outstanding | $186k | Nov 22, 2023 | none |
| Nov 2, 2023 | OLSCHAN BRIAN S Officer | 30,000 0.84% of outstanding | $1.0M | Nov 2, 2023 | none |
Transactions
The newest 50 of 101 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 18, 2026 | Brian S Olschan President and COO | SOpen-market sale Common Stock | -4,000 | $61.36 | $245k | 44,480 | Aug 19, 2026 |
| Aug 18, 2026 | Brian S Olschan President and COO | SOpen-market sale Common Stock | -3,308 | $61.63 | $204k | 41,172 | Aug 19, 2026 |
| Aug 13, 2026 | Brian Barker director | SOpen-market sale Common Stock | -3,821 | $60.50 | $231k | 0 | Aug 17, 2026 |
| Aug 13, 2026 | Brian S Olschan President and COO | MOption exercise Common Stock | +20,000 | $19.48 | $390k | 61,172 | Aug 17, 2026 |
| Aug 13, 2026 | Brian S Olschan President and COO | FTax withholding Common Stock | -12,692 | $60.77 | $771k | 48,480 | Aug 17, 2026 |
| Aug 13, 2026 | Brian S Olschan President and COO | MOption exercise Employee Stock Optionderivative | -20,000 | $19.48 | $390k | 206,700 | Aug 17, 2026 |
| Aug 3, 2026 | Brian S Olschan President and COO | SOpen-market sale Common Stock | -1 | $58.00 | $58 | 52,080 | Aug 12, 2026 |
| Aug 11, 2026 | Brian Barker director | MOption exercise Common Stock | +4,000 | $21.20 | $85k | 5,300 | Aug 12, 2026 |
| Aug 4, 2026 | Brian S Olschan President and COO | SOpen-market sale Common Stock | -981 | $56.75 | $56k | 51,099 | Aug 12, 2026 |
| Aug 11, 2026 | Brian Barker director | FTax withholding Common Stock | -1,479 | $57.35 | $85k | 3,821 | Aug 12, 2026 |
| Aug 5, 2026 | Brian S Olschan President and COO | SOpen-market sale Common Stock | -4,000 | $55.51 | $222k | 47,099 | Aug 12, 2026 |
| Aug 11, 2026 | Brian Barker director | MOption exercise Employee Stock Optionderivative | -4,000 | $21.20 | $85k | 17,500 | Aug 12, 2026 |
| Aug 7, 2026 | Brian S Olschan President and COO | SOpen-market sale Common Stock | -125 | $55.72 | $6,965 | 46,974 | Aug 12, 2026 |
| Aug 10, 2026 | Brian S Olschan President and COO | SOpen-market sale Common Stock | -5,304 | $57.07 | $303k | 41,670 | Aug 12, 2026 |
| Aug 11, 2026 | Brian S Olschan President and COO | SOpen-market sale Common Stock | -159 | $57.99 | $9,220 | 41,511 | Aug 12, 2026 |
| Aug 12, 2026 | Brian S Olschan President and COO | SOpen-market sale Common Stock | -339 | $58.39 | $20k | 41,172 | Aug 12, 2026 |
| Aug 5, 2026 | Rex Lynn Davidson director | MOption exercise Common Stock | +5,000 | $28.20 | $141k | 6,228 | Aug 11, 2026 |
| Aug 5, 2026 | Rex Lynn Davidson director | FTax withholding Common Stock | -2,544 | $55.43 | $141k | 3,684 | Aug 11, 2026 |
| Aug 10, 2026 | Rex Lynn Davidson director | SOpen-market sale Common Stock | -3,684 | $56.48 | $208k | 0 | Aug 11, 2026 |
| Aug 5, 2026 | Rex Lynn Davidson director | MOption exercise Employee Stock Optionderivative | -5,000 | $28.20 | $141k | 26,500 | Aug 11, 2026 |
| Jul 29, 2026 | Susan H Murphy director | AGrant or award Employee Stock Optionderivative | +2,500 | $59.90 | $150k | 31,500 | Jul 31, 2026 |
| Jul 29, 2026 | Brian S Olschan President and COO | AGrant or award Employee Stock Optionderivative | +20,000 | $59.90 | $1.2M | 226,700 | Jul 31, 2026 |
| Jul 29, 2026 | Paul G Driscoll Chief Financial Officer | MOption exercise Common Stock | +15,000 | $24.92 | $374k | 65,398 | Jul 31, 2026 |
| Jul 29, 2026 | Richmond Y Holden Jr director | AGrant or award Employee Stock Optionderivative | +2,500 | $59.90 | $150k | 15,600 | Jul 31, 2026 |
| Jul 29, 2026 | Brian Barker director | AGrant or award Employee Stock Optionderivative | +2,500 | $59.90 | $150k | 21,500 | Jul 31, 2026 |
| Jul 29, 2026 | Paul J Conway director | AGrant or award Employee Stock Optionderivative | +2,500 | $59.90 | $150k | 10,000 | Jul 31, 2026 |
| Jul 29, 2026 | Rex Lynn Davidson director | AGrant or award Employee Stock Optionderivative | +2,500 | $59.90 | $150k | 31,500 | Jul 31, 2026 |
| Jul 29, 2026 | Walter C Johnsen Chairman and CEO | MOption exercise Common Stock | +30,000 | $23.99 | $720k | 344,999 | Jul 31, 2026 |
| Jul 29, 2026 | Walter C Johnsen Chairman and CEO | FTax withholding Common Stock | -20,361 | $59.90 | $1.2M | 324,638 | Jul 31, 2026 |
| Jul 29, 2026 | Paul G Driscoll Chief Financial Officer | FTax withholding Common Stock | -10,300 | $59.90 | $617k | 55,098 | Jul 31, 2026 |
| Jul 29, 2026 | Walter C Johnsen Chairman and CEO | MOption exercise Employee Stock Optionderivative | -30,000 | $23.99 | $720k | 353,500 | Jul 31, 2026 |
| Jul 29, 2026 | Paul G Driscoll Chief Financial Officer | MOption exercise Employee Stock Optionderivative | -15,000 | $24.92 | $374k | 145,000 | Jul 31, 2026 |
| Jul 29, 2026 | Walter C Johnsen Chairman and CEO | AGrant or award Employee Stock Optionderivative | +25,000 | $59.90 | $1.5M | 378,500 | Jul 31, 2026 |
| Jul 29, 2026 | Paul G Driscoll Chief Financial Officer | AGrant or award Employee Stock Optionderivative | +15,000 | $59.90 | $899k | 160,000 | Jul 31, 2026 |
| Jul 24, 2026 | Brian S Olschan President and COO | MOption exercise Common Stock | +35,000 | $22.66 | $793k | 76,172 | Jul 27, 2026 |
| Jul 24, 2026 | Brian S Olschan President and COO | FTax withholding Common Stock | -24,091 | $53.94 | $1.3M | 52,081 | Jul 27, 2026 |
| Jul 24, 2026 | Brian S Olschan President and COO | MOption exercise Employee Stock Optionderivative | -35,000 | $22.66 | $793k | 206,700 | Jul 27, 2026 |
| Jul 24, 2026 | Richmond Y Holden Jr director | MOption exercise Common Stock | +1,500 | $21.20 | $32k | 16,750 | Jul 24, 2026 |
| Jul 24, 2026 | Richmond Y Holden Jr director | FTax withholding Common Stock | -606 | $52.45 | $32k | 16,144 | Jul 24, 2026 |
| Jul 24, 2026 | Richmond Y Holden Jr director | MOption exercise Common Stock | +1,900 | $21.75 | $41k | 18,044 | Jul 24, 2026 |
| Jul 24, 2026 | Richmond Y Holden Jr director | FTax withholding Common Stock | -788 | $52.45 | $41k | 17,256 | Jul 24, 2026 |
| Jul 24, 2026 | Richmond Y Holden Jr director | MOption exercise Employee Stock Optionderivative | -1,500 | $21.20 | $32k | 15,000 | Jul 24, 2026 |
| Jul 24, 2026 | Richmond Y Holden Jr director | MOption exercise Employee Stock Optionderivative | -1,900 | $21.75 | $41k | 13,100 | Jul 24, 2026 |
| May 28, 2026 | Brian S Olschan President and COO | SOpen-market sale Common Stock | -4,833 | $42.00 | $203k | 41,172 | May 29, 2026 |
| May 27, 2026 | Walter C Johnsen Chairman and CEO | GGift Common Stock | -5,834 | $42.23 | $246k | 314,999 | May 29, 2026 |
| May 21, 2026 | Brian S Olschan President and COO | MOption exercise Common Stock | +20,000 | $24.92 | $498k | 61,209 | May 22, 2026 |
| May 21, 2026 | Brian S Olschan President and COO | FTax withholding Common Stock | -15,204 | $43.21 | $657k | 46,005 | May 22, 2026 |
| May 21, 2026 | Brian S Olschan President and COO | MOption exercise Employee Stock Optionderivative | -20,000 | $24.92 | $498k | 241,700 | May 22, 2026 |
| May 13, 2026 | Walter C Johnsen Chairman and CEO | MOption exercise Common Stock | +30,000 | $23.99 | $720k | 344,999 | May 15, 2026 |
| May 13, 2026 | Walter C Johnsen Chairman and CEO | FTax withholding Common Stock | -24,166 | $40.53 | $979k | 320,833 | May 15, 2026 |
Insiders
Everyone who has filed a Form 4 here.
- Brian Barkerdirector
- Paul J Conwaydirector
- Paul G DriscollChief Financial Officer
- Rex Lynn Davidsondirector
- Richmond Y Holden Jrdirector
- Walter C JohnsenChairman and CEO
- Susan H Murphydirector
- Brian S OlschanPresident and COO
Questions about ACU
Answered from the filings on this page, as of the latest one.
Are insiders buying ACU?
As of Aug 19, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 4 open-market sells worth $1.5M by 3 insiders at ACME UNITED CORP in the last 90 days, net -$1.5M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade ACU on the open market?
Brian S Olschan (President and COO) sold $449k of ACU on Aug 18, 2026 and filed the Form 4 on Aug 19, 2026. InsiderTell scored 57 (moderate), with 3 insiders on the same side within 14 days.
How many insiders file Form 4 at ACME UNITED CORP?
8 people have filed a Form 4 at ACME UNITED CORP, among them Brian Barker (director), Paul J Conway (director), Paul G Driscoll (Chief Financial Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.