Form4insider filings, from the source

Company · CIK 0001636282 · SIC 2834 — Pharmaceutical Preparations · Nasdaq

Spyre Therapeutics, Inc. · SYRE

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

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $13.3M · 9net −$13.3M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 SForm 4 →Sep 3, 9:34 pm EDTHeidy King-JonesSee Remarks28,399$87.35$2,480,5292,845−90.9%10b5-1
Sep 1, 2026 MForm 4 →Sep 3, 9:34 pm EDTHeidy King-JonesSee Remarks28,399$14.50$411,7863,245—10b5-1
Sep 1, 2026 SForm 4 →Sep 3, 9:33 pm EDTScott L BurrowsChief Financial Officer25,732$88.75$2,283,82179,762−24.4%10b5-1
Sep 1, 2026 MForm 4 →Sep 3, 9:33 pm EDTScott L BurrowsChief Financial Officer7,500$14.50$108,750105,494—10b5-1
Sep 1, 2026 SForm 4 →Sep 3, 9:33 pm EDTCameron TurtleChief Executive Officer, Director15,000$87.29$1,309,410552,540−2.64%10b5-1
Aug 7, 2026 SForm 4 →Aug 10, 9:31 pm EDTJeffrey W. AlbersDirector23,000$104.53$2,404,1909,360−71.1%10b5-1
Aug 7, 2026 MForm 4 →Aug 10, 9:31 pm EDTJeffrey W. AlbersDirector5,000$10.39$51,9505,000—10b5-1
Aug 3, 2026 SForm 4 →Aug 5, 9:32 pm EDTScott L BurrowsChief Financial Officer7,500$95.57$716,77197,994−7.11%10b5-1
Aug 3, 2026 MForm 4 →Aug 5, 9:32 pm EDTScott L BurrowsChief Financial Officer7,500$14.50$108,750105,494—10b5-1
Aug 3, 2026 SForm 4 →Aug 5, 9:31 pm EDTCameron TurtleChief Executive Officer, Director15,000$95.51$1,432,705567,540−2.57%10b5-1
Jul 1, 2026 SForm 4 →Jul 2, 9:33 pm EDTScott L BurrowsChief Financial Officer7,500$87.74$658,04097,994−7.11%10b5-1
Jul 1, 2026 MForm 4 →Jul 2, 9:33 pm EDTScott L BurrowsChief Financial Officer7,500$14.50$108,750105,494—10b5-1
Jul 1, 2026 SForm 4 →Jul 2, 9:33 pm EDTSheldon SloanChief Medical Officer8,334$87.70$730,8960−100%10b5-1
Jul 1, 2026 MForm 4 →Jul 2, 9:33 pm EDTSheldon SloanChief Medical Officer8,334$27.46$228,8528,334—10b5-1
Jul 1, 2026 SForm 4 →Jul 2, 9:32 pm EDTCameron TurtleChief Executive Officer, Director15,000$87.69$1,315,346582,540−2.51%10b5-1

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

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 MForm 4 →Sep 3, 9:34 pm EDTHeidy King-JonesSee Remarks28,399——511,411—10b5-1
Sep 1, 2026 MForm 4 →Sep 3, 9:33 pm EDTScott L BurrowsChief Financial Officer7,500——337,357—10b5-1
Aug 7, 2026 MForm 4 →Aug 10, 9:31 pm EDTJeffrey W. AlbersDirector5,000——45,000—10b5-1
Aug 3, 2026 MForm 4 →Aug 5, 9:32 pm EDTScott L BurrowsChief Financial Officer7,500——344,857—10b5-1
Jul 1, 2026 MForm 4 →Jul 2, 9:33 pm EDTScott L BurrowsChief Financial Officer7,500——352,357—10b5-1
Jul 1, 2026 MForm 4 →Jul 2, 9:33 pm EDTSheldon SloanChief Medical Officer8,334——305,000—10b5-1