Form4insider filings, from the source

Company · CIK 0001032975 · SIC 3577 — Computer Peripheral Equipment, NEC · Nasdaq

LOGITECH INTERNATIONAL S.A. · LOGI

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.6M · 1net −$1.6M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 11, 2026 SForm 4 →Sep 14, 5:17 pm EDTSamantha HarnettCHIEF LEGAL OFFICER16,265$101.35$1,648,44937,097−30.5%10b5-1
Sep 9, 2026 FForm 4 →Sep 11, 7:00 pm EDTSascha ZahndDirector136$98.44$13,38814,230—
Sep 9, 2026 FForm 4 →Sep 11, 6:58 pm EDTDeborah ThomasDirector714$98.44$70,28614,805—
Sep 9, 2026 FForm 4 →Sep 11, 6:56 pm EDTKwok Wang NgDirector136$98.44$13,38815,427—
Sep 9, 2026 FForm 4 →Sep 11, 6:55 pm EDTNeela MontgomeryDirector721$98.44$70,97514,578—
Sep 9, 2026 FForm 4 →Sep 11, 6:53 pm EDTOwen MahoneyDirector719$98.44$70,7787,224—
Sep 9, 2026 FForm 4 →Sep 11, 6:52 pm EDTMarjorie LaoDirector719$98.44$70,77820,692—
Sep 9, 2026 FForm 4 →Sep 11, 6:51 pm EDTChristopher Richardson JonesDirector720$98.44$70,87711,121—
Sep 9, 2026 FForm 4 →Sep 11, 6:49 pm EDTGuy GechtDirector585$98.44$57,58721,934—
Sep 9, 2026 FForm 4 →Sep 11, 6:48 pm EDTEdouard BugnionDirector138$98.44$13,58551,896—
Sep 9, 2026 FForm 4 →Sep 11, 6:46 pm EDTDonald AllanDirector585$98.44$57,5877,189—
Sep 8, 2026 AForm 4 →Sep 10, 4:52 pm EDTSascha ZahndDirector2,518——14,366—
Sep 8, 2026 AForm 4 →Sep 10, 4:51 pm EDTDeborah ThomasDirector2,518——15,519—
Sep 8, 2026 AForm 4 →Sep 10, 4:49 pm EDTKwok Wang NgDirector2,518——15,563—
Sep 8, 2026 AForm 4 →Sep 10, 4:48 pm EDTNeela MontgomeryDirector2,518——15,299—
Sep 8, 2026 AForm 4 →Sep 10, 4:47 pm EDTOwen MahoneyDirector3,331$98.10$79,7557,943—
Sep 8, 2026 AForm 4 →Sep 10, 4:45 pm EDTMarjorie LaoDirector2,518——21,411—
Sep 8, 2026 AForm 4 →Sep 10, 4:44 pm EDTChristopher Richardson JonesDirector2,518——11,841—
Sep 8, 2026 AForm 4 →Sep 10, 4:43 pm EDTGuy GechtDirector2,518——22,519—
Sep 8, 2026 AForm 4 →Sep 10, 4:42 pm EDTEdouard BugnionDirector2,518——52,034—
Sep 8, 2026 AForm 4 →Sep 10, 4:41 pm EDTDonald AllanDirector3,540$98.10$100,2587,774—
Aug 15, 2026 AFForm 4 →Aug 17, 4:43 pm EDTSamantha HarnettCHIEF LEGAL OFFICER22,959$103.09$795,03053,362—
Jul 31, 2026 AForm 4 →Aug 3, 4:42 pm EDTJohanna W. FaberChief Executive Officer90$74.52$6,70714,905—

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

No reported derivative activity in this period.