Form4insider filings, from the source

Company · CIK 0001013857 · SIC 7374 — Services-Computer Processing & Data Preparation · Nasdaq

PEGASYSTEMS INC · PEGA

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.8M · 6net −$1.8M
$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 16, 2026 SForm 4 →Sep 17, 4:08 pm EDTEfstathios A KouninisSVP, Chief Accounting Officer982$37.35$36,6781,009−49.3%
Sep 15, 2026 SForm 4 →Sep 17, 4:09 pm EDTDianne LedinghamDirector1,000$38.00$38,00039,280−2.48%10b5-1
Sep 14, 2026 GForm 4 →Sep 16, 5:43 pm EDTAlan TreflerC.E.O. & Chairman, Director, 10% Owner10,798,606——16,275,828—
Sep 11, 2026 SForm 4 →Sep 15, 4:22 pm EDTRifat Kerim AkgonulChief Product Officer7,000$36.03$252,210104,804−6.26%
Sep 11, 2026 SForm 4 →Sep 15, 4:21 pm EDTKenneth StillwellCOO, CFO39,627$35.77$1,417,43895,225−29.4%
Sep 4, 2026 FMForm 4 →Sep 9, 5:40 pm EDTLeon TreflerChief of Clients and Markets9,025$37.45$95,460131,651—
Sep 4, 2026 FMForm 4 →Sep 9, 5:38 pm EDTKenneth StillwellCOO, CFO17,914$37.45$189,500134,852—
Sep 4, 2026 FMForm 4 →Sep 9, 5:36 pm EDTEfstathios A KouninisSVP, Chief Accounting Officer1,365$37.47$10,0781,991—
Sep 4, 2026 FMForm 4 →Sep 9, 5:34 pm EDTJohn Gerard HigginsChief, Client &Partner Success9,502$37.46$127,49860,110—
Sep 4, 2026 FMForm 4 →Sep 9, 5:32 pm EDTRifat Kerim AkgonulChief Product Officer9,048$37.46$110,494111,804—
Sep 3, 2026 SForm 4 →Sep 3, 5:03 pm EDTEfstathios A KouninisSVP, Chief Accounting Officer1,063$38.75$41,1911,164−47.7%
Sep 3, 2026 FMForm 4 →Sep 3, 5:03 pm EDTEfstathios A KouninisSVP, Chief Accounting Officer3,937$24.91$98,0592,227—
Sep 1, 2026 FMForm 4 →Sep 2, 4:14 pm EDTLeon TreflerChief of Clients and Markets1,639$36.81$17,043127,724—
Sep 1, 2026 FMForm 4 →Sep 2, 4:12 pm EDTKenneth StillwellCOO, CFO3,275$36.81$34,049127,058—
Sep 1, 2026 FMForm 4 →Sep 2, 4:10 pm EDTJohn Gerard HigginsChief, Client &Partner Success2,185$36.81$28,82257,416—
Sep 1, 2026 FMForm 4 →Sep 2, 4:09 pm EDTRifat Kerim AkgonulChief Product Officer1,745$36.81$20,945108,656—
Aug 31, 2026 SForm 4 →Sep 2, 4:03 pm EDTEfstathios A KouninisSVP, Chief Accounting Officer1,012$36.50$36,9381,009−50.1%
Aug 31, 2026 FMForm 4 →Sep 2, 4:03 pm EDTEfstathios A KouninisSVP, Chief Accounting Officer4,245$24.40$98,5641,164—

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 4, 2026 MForm 4 →Sep 9, 5:40 pm EDTLeon TreflerChief of Clients and Markets6,476——5,316—
Sep 4, 2026 MForm 4 →Sep 9, 5:38 pm EDTKenneth StillwellCOO, CFO12,854——10,442—
Sep 4, 2026 MForm 4 →Sep 9, 5:36 pm EDTEfstathios A KouninisSVP, Chief Accounting Officer1,096——664—
Sep 4, 2026 MForm 4 →Sep 9, 5:34 pm EDTJohn Gerard HigginsChief, Client &Partner Success6,098——4,556—
Sep 4, 2026 MForm 4 →Sep 9, 5:32 pm EDTRifat Kerim AkgonulChief Product Officer6,098——4,556—
Sep 3, 2026 MForm 4 →Sep 3, 5:03 pm EDTEfstathios A KouninisSVP, Chief Accounting Officer2,500——6,800—
Sep 1, 2026 MForm 4 →Sep 2, 4:14 pm EDTLeon TreflerChief of Clients and Markets1,176——2,350—
Sep 1, 2026 MForm 4 →Sep 2, 4:12 pm EDTKenneth StillwellCOO, CFO2,350——4,702—
Sep 1, 2026 MForm 4 →Sep 2, 4:10 pm EDTJohn Gerard HigginsChief, Client &Partner Success1,402——1,106—
Sep 1, 2026 MForm 4 →Sep 2, 4:09 pm EDTRifat Kerim AkgonulChief Product Officer1,176——2,350—
Aug 31, 2026 MForm 4 →Sep 2, 4:03 pm EDTEfstathios A KouninisSVP, Chief Accounting Officer2,706——412—