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SC Filed 2021-03-19 Event — SEC 0001104659-21-039060 →

BAKER BROS. ADVISORS LP Aeglea BioTherapeutics, Inc. SYRE

Stake: Shares:

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)
25 transactions
0 buys · 19 sales · 4 awards/exercises
Issuer Cluster
4 13D/G filings on this issuer
3 other filings besides this one
Filer Track Record
64 filings by this filer
63 other filings in the data moat
Short Interest · settle 2026-07-15
DTC 9.03
12,508,710 shares short · -8.3% vs prior

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-06-25 Burrows Scott L officer Option exercise 15,000 $14.50 $218K
2026-06-25 Burrows Scott L officer Sale 5,000 $87.12 $436K
2026-06-25 Burrows Scott L officer Sale 10,000 $87.14 $871K
2026-06-23 Fairmount Funds Management LLC director C 666,680
2026-06-23 Fairmount Funds Management LLC director Sale 4,684,781 $85.31 $399.66M
2026-06-23 Fairmount Funds Management LLC director C 16,667
2026-06-22 HENDERSON MICHAEL THOMAS director Sale 20,000 $100.00 $2.00M
2026-06-03 Sloan Sheldon officer Option exercise 8,333 $27.46 $229K
2026-06-03 Sloan Sheldon officer Sale 8,333 $75.00 $625K
2026-05-01 Burrows Scott L officer Option exercise 12,500 $14.50 $181K
2026-05-01 Sloan Sheldon officer Option exercise 78,333 $27.46 $2.15M
2026-05-01 Turtle Cameron director, officer Sale 5,300 $69.54 $369K
2026-05-01 Turtle Cameron director, officer Sale 3,600 $70.77 $255K
2026-05-01 Turtle Cameron director, officer Sale 1,000 $71.76 $72K
2026-05-01 Turtle Cameron director, officer Sale 3,100 $73.14 $227K
2026-05-01 Turtle Cameron director, officer Sale 1,700 $74.23 $126K
2026-05-01 Turtle Cameron director, officer Sale 300 $74.96 $22K
2026-05-01 Burrows Scott L officer Sale 12,500 $71.37 $892K
2026-05-01 Sloan Sheldon officer Sale 21,306 $69.53 $1.48M
2026-05-01 Sloan Sheldon officer Sale 19,656 $70.61 $1.39M
2026-05-01 Sloan Sheldon officer Sale 8,777 $71.56 $628K
2026-05-01 Sloan Sheldon officer Sale 12,777 $72.94 $932K
2026-05-01 Sloan Sheldon officer Sale 10,358 $73.74 $764K
2026-05-01 Sloan Sheldon officer Sale 5,059 $74.60 $377K
2026-05-01 Sloan Sheldon officer Sale 400 $75.37 $30K

Other 13D/G Filings on Aeglea BioTherapeutics, Inc.

FiledFormFilerStakeShares
2026-06-23 SCHEDULE 13D/A Fairmount Funds Management LLC 8,835,440 view →
2023-12-11 SC Fairmount Funds Management LLC view →
2022-02-10 SC BAKER BROS. ADVISORS LP view →

Other Filings by BAKER BROS. ADVISORS LP

FiledFormIssuerStakeShares
2026-07-16 SCHEDULE 13D/A Celcuity Inc. 9.99% 4,877,963 view →
2026-07-16 SCHEDULE 13G Celcuity Inc. view →
2026-06-15 SCHEDULE 13D/A BeOne Medicines Ltd. BEIGF 8.00% 115,457,154 view →
2026-05-26 SCHEDULE 13D/A Kiniksa Pharmaceuticals International, plc KNSA 7.00% 3,231,181 view →
2026-05-11 SCHEDULE 13D/A Incyte Corp INCY 30,865,077 view →
2025-06-30 SCHEDULE Kymera Therapeutics, Inc. KYMR 9.50% 6,666,540 view →
2024-10-08 SC Kiniksa Pharmaceuticals International, plc KNSA view →
2024-06-14 SC INCYTE CORP INCY view →
2023-12-18 SC Seagen Inc. view →
2023-10-10 SC Neoleukin Therapeutics, Inc. NGNE view →
2023-10-05 SC MADRIGAL PHARMACEUTICALS, INC. MDGL view →
2023-07-19 SC Neoleukin Therapeutics, Inc. NGNE view →
2023-05-24 SC ACADIA PHARMACEUTICALS INC ACAD view →
2023-05-24 SC Prelude Therapeutics Inc PRLD view →
2023-05-03 SC Seagen Inc. view →
2023-03-15 SC INCYTE CORP INCY view →
2023-03-13 SC Seagen Inc. view →
2023-01-17 SC ACADIA PHARMACEUTICALS INC ACAD view →
2022-07-20 SC Immunocore Holdings plc IMCR view →
2022-05-18 SC Kodiak Sciences Inc. KOD view →
Showing 20 of 63

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