Form4insider filings, from the source

Company · CIK 0001517413 · SIC 7372 — Services-Prepackaged Software · Nasdaq

Fastly, Inc. · FSLY

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $33.0M · 28net −$33.0M
$10k$10k$1M$1M$100M$100MbuyssalesJun 26Jul 11Jul 26Aug 11Aug 26Sep 11Sep 26

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 23, 2026 SForm 4 →Sep 25, 4:50 pm EDTArtur BergmanChief Technology Officer, Director379,602$30.16$11,447,9091,138,358−25.0%10b5-1
Sep 21, 2026 SForm 4 →Sep 23, 4:38 pm EDTArtur BergmanChief Technology Officer, Director77,046$27.54$2,121,9491,517,960−4.83%10b5-1
Sep 17, 2026 SForm 4 →Sep 21, 4:45 pm EDTScott R. LovettPresident, Go to Market41,815$24.64$1,030,5291,281,583−3.16%10b5-1
Sep 17, 2026 SForm 4 →Sep 21, 4:45 pm EDTJeffrey FordPrincipal Accounting Officer45,832$24.65$1,129,538249,861−15.5%10b5-1
Sep 17, 2026 SForm 4 →Sep 21, 4:45 pm EDTArtur BergmanChief Technology Officer, Director2,200$25.30$55,6601,595,006−0.14%10b5-1
Sep 16, 2026 SForm 4 →Sep 18, 4:25 pm EDTJeffrey FordPrincipal Accounting Officer37,091$23.84$884,249295,693−11.1%
Sep 16, 2026 SForm 4 →Sep 18, 4:25 pm EDTScott R. LovettPresident, Go to Market34,820$23.85$830,4571,323,398−2.56%
Sep 14, 2026 SForm 4 →Sep 16, 4:59 pm EDTArtur BergmanChief Technology Officer, Director33,579$24.57$825,1511,597,206−2.06%10b5-1
Sep 14, 2026 SForm 4 →Sep 16, 4:58 pm EDTCharles Lacey Compton IIICEO, Director50,392$24.93$1,256,273851,949−5.58%10b5-1
Sep 9, 2026 SForm 4 →Sep 11, 5:04 pm EDTArtur BergmanChief Technology Officer, Director8,960$22.72$203,6141,630,785−0.55%10b5-1
Sep 8, 2026 SForm 4 →Sep 10, 4:51 pm EDTCharles Lacey Compton IIICEO, Director2,436$21.23$51,716902,341−0.27%10b5-1
Sep 8, 2026 SForm 4 →Sep 10, 4:51 pm EDTArtur BergmanChief Technology Officer, Director300$22.51$6,7531,639,745−0.02%10b5-1
Sep 3, 2026 SForm 4 →Sep 8, 4:50 pm EDTArtur BergmanChief Technology Officer, Director36,095$20.79$750,2491,640,045−2.15%10b5-1
Sep 2, 2026 SForm 4 →Sep 4, 5:02 pm EDTCharles Lacey Compton IIICEO, Director9,458$20.42$193,132904,777−1.03%10b5-1
Aug 31, 2026 SForm 4 →Sep 2, 5:03 pm EDTArtur BergmanChief Technology Officer, Director6,225$23.00$143,1751,913,825−0.32%
Aug 31, 2026 SForm 4 →Sep 2, 5:03 pm EDTCharles Lacey Compton IIICEO, Director70,607$21.73$1,534,445914,235−7.17%10b5-1
Aug 31, 2026 SForm 4 →Sep 2, 5:03 pm EDTScott R. LovettPresident, Go to Market19,624$23.00$451,3521,358,218−1.42%
Aug 31, 2026 SForm 4 →Sep 2, 4:57 pm EDTChristopher B PaisleyDirector3,000$23.00$69,000280,485−1.06%10b5-1
Aug 27, 2026 SForm 4 →Aug 31, 5:00 pm EDTArtur BergmanChief Technology Officer, Director851$24.08$20,4921,920,050−0.04%
Aug 21, 2026 SForm 4 →Aug 25, 5:06 pm EDTRichard WongCFO47,676$24.09$1,148,2881,043,610−4.37%10b5-1
Aug 18, 2026 SForm 4 →Aug 20, 5:08 pm EDTScott R. LovettPresident, Go to Market14,936$28.60$427,1701,377,842−1.07%
Aug 18, 2026 SForm 4 →Aug 20, 5:04 pm EDTRichard WongCFO148,015$28.61$4,234,7091,091,286−11.9%
Aug 18, 2026 SForm 4 →Aug 20, 5:01 pm EDTCharles Lacey Compton IIICEO, Director45,750$27.64$1,264,614984,842−4.44%10b5-1
Aug 18, 2026 SForm 4 →Aug 20, 5:01 pm EDTArtur BergmanChief Technology Officer, Director64,074$26.68$1,709,6091,973,504−3.14%10b5-1
Aug 12, 2026 SForm 4 →Aug 14, 4:15 pm EDTPaula LoopDirector7,332$30.00$219,96090,443−7.50%10b5-1
Aug 7, 2026 SForm 4 →Aug 11, 4:58 pm EDTRichard Devon DanielsDirector11,080$22.90$253,74351,197−17.8%
Aug 4, 2026 SForm 4 →Aug 6, 6:27 pm EDTCharles Lacey Compton IIICEO, Director14,868$25.00$371,7001,030,592−1.42%10b5-1
Jul 16, 2026 SForm 4 →Jul 20, 5:01 pm EDTCharles Lacey Compton IIICEO, Director18,485$20.74$383,4211,045,460−1.74%10b5-1

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

No reported derivative activity in this period.