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 $4.2M · 12net −$4.2M
$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 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
Jul 13, 2026 AForm 4 →Jul 15, 4:10 pm EDTRobert HornishChief Sales Officer121,444——121,444—
Jul 13, 2026 AForm 4 →Jul 15, 4:10 pm EDTNiranjan VijayaragavanChief Technology Officer207,734——207,734—
Jun 4, 2026 SForm 4 →Jun 8, 5:32 pm EDTTiffany N. MeriweatherChief Admin. & Legal Officer9,526$24.81$236,340271,772−3.39%
Jun 4, 2026 SForm 4 →Jun 8, 5:30 pm EDTPanos KozanianEVP, Product Engineering5,869$24.81$145,610161,671−3.50%
Jun 4, 2026 SForm 4 →Jun 8, 5:27 pm EDTMatthew E. TucknessChief Revenue Officer8,645$24.81$214,482281,492−2.98%
Jun 4, 2026 SForm 4 →Jun 8, 5:27 pm EDTLeena MansharamaniSVP, Chief Accounting Officer2,556$24.81$63,41457,698−4.24%
Jun 4, 2026 SForm 4 →Jun 8, 5:25 pm EDTBryan M LeeChief Financial Officer18,131$24.77$449,059309,951−5.53%10b5-1
Jun 4, 2026 SForm 4 →Jun 8, 5:23 pm EDTAndy DignanPresident11,276$24.62$277,629275,687−3.93%10b5-1

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

No reported derivative activity in this period.