Form4insider filings, from the source

Company · CIK 0001822966 · SIC 3443 — Fabricated Plate Work (Boiler Shops) · NYSE

NUSCALE POWER Corp · SMR

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $745k · 4net −$745k
$10k$10k$100k$100k$1M$1MbuyssalesJun 29Jul 7Jul 16Jul 24Aug 2Aug 10Aug 19

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 27, 2026 SForm 4 →Aug 28, 4:52 pm EDTRobert Ramsey HamadyChief Financial Officer29,880$9.39$280,633124,235−19.4% amended
Aug 26, 2026 MForm 4 →Aug 28, 4:52 pm EDTRobert Ramsey HamadyChief Financial Officer76,923——154,115— amended
Aug 18, 2026 SForm 4 →Aug 20, 4:41 pm EDTShinji FujinoDirector20,000$8.86$177,16017,242−53.7%
Aug 17, 2026 SForm 4/A →Sep 11, 6:12 pm EDTRobert Ramsey HamadyChief Financial Officer20,000$9.49$189,80097,192−17.1%10b5-1
Aug 17, 2026 MForm 4/A →Sep 11, 6:12 pm EDTRobert Ramsey HamadyChief Financial Officer20,000$3.20$64,000117,192—10b5-1
Aug 17, 2026 MSForm 4 →Aug 19, 4:00 pm EDTRobert Ramsey HamadyChief Financial Officer———77,192—10b5-1 amended
Aug 5, 2026 SForm 4 →Aug 6, 4:08 pm EDTCarl M. FisherChief Operating Officer18,771$9.36$175,734114,718−14.1%
Aug 4, 2026 MForm 4 →Aug 6, 4:08 pm EDTCarl M. FisherChief Operating Officer42,625——133,489—
Jun 30, 2026 SForm 4 →Jul 1, 4:15 pm EDTRobert Ramsey HamadyChief Financial Officer20,000$10.14$202,80097,192−17.1%10b5-1
Jun 30, 2026 MForm 4 →Jul 1, 4:15 pm EDTRobert Ramsey HamadyChief Financial Officer20,000$3.20$64,000117,192—10b5-1
Jun 30, 2026 AForm 4 →Jul 1, 4:14 pm EDTAlan L BoeckmannDirector3,681——92,499—
Jun 30, 2026 AForm 4 →Jul 1, 4:13 pm EDTKent KresaDirector2,702——101,609—

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 26, 2026 MForm 4 →Aug 28, 4:52 pm EDTRobert Ramsey HamadyChief Financial Officer76,923——76,923— amended
Aug 17, 2026 MForm 4 →Aug 19, 4:00 pm EDTRobert Ramsey HamadyChief Financial Officer20,000——145,625—10b5-1 amended
Aug 4, 2026 MForm 4 →Aug 6, 4:08 pm EDTCarl M. FisherChief Operating Officer42,625——0—
Jun 30, 2026 MForm 4 →Jul 1, 4:15 pm EDTRobert Ramsey HamadyChief Financial Officer20,000——165,625—10b5-1