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SYRE — Spyre Therapeutics, Inc.

Materials · Pharmaceutical Preparations · Nasdaq

CIK 0001636282 · FYE 1231 · All Form 4 filings on EDGAR ↗

Formerly: Aeglea BioTherapeutics, Inc. (until 2023-11-24)

3Insiders filing
20Transactions
+$521kReported buys
−$6.1MReported sells
1Cluster events

Window in data: 2026-09-01 → 2026-09-02 · Data as of 2026-09-04

Cluster membership

WeekWindowTierDirInsidersTotal value
2026-W362026-09-01 → 2026-09-02WATCH− sell3$6.1M

Insiders

InsiderRoleTxnsReported value
King-Jones HeidySee Remarks9$2.9M
Burrows Scott LChief Financial Officer7$2.4M
Turtle CameronChief Executive Officer4$1.3M

Transaction history

Filing dateTrade dateTickerInsiderTypeSharesPriceValueCluster
2026-09-032026-09-02SYREKing-Jones Heidy See Remarks 10b5-1M routine400$14.50+$6k
2026-09-032026-09-02SYREKing-Jones Heidy See Remarks 10b5-1S400$90.00−$36k Cluster clu-48143fc59f8e
2026-09-032026-09-02SYREKing-Jones Heidy See Remarks 10b5-1M routine400
2026-09-032026-09-02SYREBurrows Scott L Chief Financial Officer 10b5-1S18,232$89.35−$1.6M Cluster clu-48143fc59f8e
2026-09-032026-09-01SYREKing-Jones Heidy See Remarks 10b5-1M routine27,999$14.50+$406k
2026-09-032026-09-01SYREKing-Jones Heidy See Remarks 10b5-1S4,845$86.40−$419k Cluster clu-48143fc59f8e
2026-09-032026-09-01SYREKing-Jones Heidy See Remarks 10b5-1S16,548$87.20−$1.4M Cluster clu-48143fc59f8e
2026-09-032026-09-01SYREKing-Jones Heidy See Remarks 10b5-1S6,206$88.17−$547k Cluster clu-48143fc59f8e
2026-09-032026-09-01SYREKing-Jones Heidy See Remarks 10b5-1S400$89.38−$36k Cluster clu-48143fc59f8e
2026-09-032026-09-01SYREKing-Jones Heidy See Remarks 10b5-1M routine27,999
2026-09-032026-09-01SYREBurrows Scott L Chief Financial Officer 10b5-1M routine7,500$14.50+$109k
2026-09-032026-09-01SYREBurrows Scott L Chief Financial Officer 10b5-1S900$86.25−$78k Cluster clu-48143fc59f8e
2026-09-032026-09-01SYREBurrows Scott L Chief Financial Officer 10b5-1S4,384$87.11−$382k Cluster clu-48143fc59f8e
2026-09-032026-09-01SYREBurrows Scott L Chief Financial Officer 10b5-1S2,016$88.03−$177k Cluster clu-48143fc59f8e
2026-09-032026-09-01SYREBurrows Scott L Chief Financial Officer 10b5-1S200$89.04−$18k Cluster clu-48143fc59f8e
2026-09-032026-09-01SYREBurrows Scott L Chief Financial Officer 10b5-1M routine7,500
2026-09-032026-09-01SYRETurtle Cameron Chief Executive Officer 10b5-1S2,500$86.36−$216k Cluster clu-48143fc59f8e
2026-09-032026-09-01SYRETurtle Cameron Chief Executive Officer 10b5-1S8,400$87.15−$732k Cluster clu-48143fc59f8e
2026-09-032026-09-01SYRETurtle Cameron Chief Executive Officer 10b5-1S3,700$88.06−$326k Cluster clu-48143fc59f8e
2026-09-032026-09-01SYRETurtle Cameron Chief Executive Officer 10b5-1S400$89.07−$36k Cluster clu-48143fc59f8e