Form4insider filings, from the source

Company · CIK 0000002098 · SIC 3420 — Cutlery, Handtools & General Hardware · NYSE

ACME UNITED CORP · ACU

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.5M · 4net −$1.5M
$10k$10k$100k$100k$1M$1MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 18, 2026 SForm 4 →Aug 19, 4:30 pm EDTBrian S OlschanPresident and COO, Director7,308$61.48$449,31241,172−15.1%
Aug 13, 2026 FMForm 4 →Aug 17, 4:30 pm EDTBrian S OlschanPresident and COO, Director32,692$35.51$1,160,89348,480—
Aug 13, 2026 SForm 4 →Aug 17, 4:30 pm EDTBrian BarkerDirector3,821$60.50$231,1710−100%
Aug 11, 2026 FMForm 4 →Aug 12, 4:30 pm EDTBrian BarkerDirector5,479$30.96$169,6213,821—
Aug 10, 2026 SForm 4 →Aug 11, 4:30 pm EDTRex Lynn DavidsonDirector3,684$56.48$208,0720−100%
Aug 5, 2026 FMForm 4 →Aug 11, 4:30 pm EDTRex Lynn DavidsonDirector7,544$37.38$282,0143,684— late
Aug 3, 2026 SForm 4 →Aug 12, 4:30 pm EDTBrian S OlschanPresident and COO, Director10,909$56.51$616,44941,172−20.9% late
Jul 29, 2026 FMForm 4 →Jul 31, 4:30 pm EDTWalter C JohnsenChairman and CEO, Director, 10% Owner50,361$38.51$1,939,324324,638—
Jul 29, 2026 FMForm 4 →Jul 31, 4:30 pm EDTPaul G DriscollChief Financial Officer25,300$39.16$990,77055,098—
Jul 24, 2026 FMForm 4 →Jul 27, 4:30 pm EDTBrian S OlschanPresident and COO, Director59,091$35.41$2,092,56952,081—
Jul 24, 2026 FMForm 4 →Jul 24, 4:30 pm EDTRichmond Y Holden Jr.Director4,794$30.50$146,24017,256—

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 13, 2026 MForm 4 →Aug 17, 4:30 pm EDTBrian S OlschanPresident and COO, Director20,000$19.48$389,600206,700—
Aug 11, 2026 MForm 4 →Aug 12, 4:30 pm EDTBrian BarkerDirector4,000$21.20$84,80017,500—
Aug 5, 2026 MForm 4 →Aug 11, 4:30 pm EDTRex Lynn DavidsonDirector5,000$28.20$141,00026,500— late
Jul 29, 2026 AMForm 4 →Jul 31, 4:30 pm EDTWalter C JohnsenChairman and CEO, Director, 10% Owner55,000$40.31$2,217,200378,500—
Jul 29, 2026 AForm 4 →Jul 31, 4:30 pm EDTRex Lynn DavidsonDirector2,500$59.90$149,75031,500—
Jul 29, 2026 AForm 4 →Jul 31, 4:30 pm EDTPaul J ConwayDirector2,500$59.90$149,75010,000—
Jul 29, 2026 AForm 4 →Jul 31, 4:30 pm EDTBrian BarkerDirector2,500$59.90$149,75021,500—
Jul 29, 2026 AForm 4 →Jul 31, 4:30 pm EDTSusan H MurphyDirector2,500$59.90$149,75031,500—
Jul 29, 2026 AForm 4 →Jul 31, 4:30 pm EDTRichmond Y Holden Jr.Director2,500$59.90$149,75015,600—
Jul 29, 2026 AMForm 4 →Jul 31, 4:30 pm EDTPaul G DriscollChief Financial Officer30,000$42.41$1,272,300160,000—
Jul 29, 2026 AForm 4 →Jul 31, 4:30 pm EDTBrian S OlschanPresident and COO, Director20,000$59.90$1,198,000226,700—
Jul 24, 2026 MForm 4 →Jul 27, 4:30 pm EDTBrian S OlschanPresident and COO, Director35,000$22.66$793,100206,700—
Jul 24, 2026 MForm 4 →Jul 24, 4:30 pm EDTRichmond Y Holden Jr.Director3,400$21.51$73,12513,100—