Form4insider filings, from the source

Company · CIK 0001288847 · SIC 7374 — Services-Computer Processing & Data Preparation · Nasdaq

Five9, Inc. · FIVN

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $2.8M · 6net −$2.8M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 17, 2026 SForm 4 →Sep 21, 4:18 pm EDTAndy DignanPresident6,986$35.00$244,510237,614−2.86%10b5-1
Sep 15, 2026 GForm 4 →Sep 16, 4:09 pm EDTLeena MansharamaniSVP, Chief Accounting Officer630——51,787—
Sep 4, 2026 SForm 4 →Sep 9, 4:17 pm EDTBryan M LeeChief Financial Officer20,618$33.30$686,506289,333−6.65%10b5-1
Sep 4, 2026 SForm 4 →Sep 9, 4:15 pm EDTTiffany N. MeriweatherChief Admin. & Legal Officer18,523$32.82$607,938253,249−6.82%10b5-1
Sep 4, 2026 SForm 4 →Sep 9, 4:14 pm EDTAndy DignanPresident13,320$32.98$439,349244,600−5.16%10b5-1
Sep 3, 2026 SForm 4 →Sep 8, 7:06 pm EDTLeena MansharamaniSVP, Chief Accounting Officer6,617$33.36$220,71252,417−11.2%10b5-1
Aug 28, 2026 SForm 4 →Sep 1, 5:59 pm EDTAndy DignanPresident17,767$35.03$622,378257,920−6.44%10b5-1

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

No reported derivative activity in this period.