Spyre Therapeutics, Inc. ($SYRE) Insider Transactions

Last updated: 2026-03-16 13:03 UTC | Total transactions: 77

In the last 12 months, insiders at Spyre Therapeutics, Inc. ($SYRE) filed 77 transactions with the SEC: 0 open-market purchases totaling $0 and 17 sales totaling $4,250,754. Net insider sentiment: net selling.

Spyre Therapeutics, Inc. operates in the Pharmaceutical preparations industry (Life sciences sector).

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Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 2, 2026 Turtle Cameron Chief Executive Officer S Common Stock 5900 $41.73 651,640.0000 78,540,164 0.90% 0.01%
March 3, 2026 Burrows Scott L Chief Financial Officer M Common Stock 2500 $14.50 100,494.0000 78,540,164 2.55% 0.00%
March 3, 2026 Burrows Scott L Chief Financial Officer S Common Stock 2300 $40.56 98,194.0000 78,540,164 2.29% 0.00%
March 3, 2026 Burrows Scott L Chief Financial Officer S Common Stock 200 $41.66 97,994.0000 78,540,164 0.20% 0.00%
March 3, 2026 Burrows Scott L Chief Financial Officer M Stock Option (Right to Buy) 2500 $0.00 402,357.0000 78,540,164 0.62% 0.00%
March 2, 2026 Turtle Cameron Chief Executive Officer S Common Stock 9100 $42.49 642,540.0000 78,540,164 1.40% 0.01%
Feb. 2, 2026 Turtle Cameron Chief Executive Officer S Common Stock 957 $31.82 671,583.0000 77,592,130 0.14% 0.00%
Feb. 2, 2026 Turtle Cameron Chief Executive Officer S Common Stock 14043 $32.87 657,540.0000 77,592,130 2.09% 0.02%
Jan. 21, 2026 HENDERSON MICHAEL THOMAS Director J Common Stock 63227 $0.00 168,606.0000 77,592,130 60.00% 0.08%
Jan. 9, 2026 Sloan Sheldon Chief Medical Officer A Stock Option (Right to Buy) 140000 $0.00 140,000.0000 77,592,130 9999.99% 0.18%
Jan. 9, 2026 King-Jones Heidy See Remarks A Stock Option (Right to Buy) 140000 $0.00 140,000.0000 77,592,130 9999.99% 0.18%
Jan. 9, 2026 Burrows Scott L Chief Financial Officer A Stock Option (Right to Buy) 140000 $0.00 140,000.0000 77,592,130 9999.99% 0.18%
Jan. 9, 2026 Turtle Cameron Chief Executive Officer A Stock Option (Right to Buy) 528000 $0.00 528,000.0000 77,592,130 9999.99% 0.68%
Jan. 2, 2026 Turtle Cameron Chief Executive Officer S Common Stock 100 $32.39 671,907.0000 77,592,130 0.01% 0.00%
Jan. 2, 2026 Turtle Cameron Chief Executive Officer S Common Stock 12709 $30.47 674,198.0000 77,592,130 1.85% 0.02%
Jan. 2, 2026 Turtle Cameron Chief Executive Officer S Common Stock 2191 $31.79 672,007.0000 77,592,130 0.32% 0.00%
Dec. 1, 2025 Turtle Cameron Chief Executive Officer S Common Stock 4005 $29.83 686,907.0000 77,592,130 0.58% 0.01%
Dec. 1, 2025 Turtle Cameron Chief Executive Officer S Common Stock 10995 $28.73 690,912.0000 77,592,130 1.57% 0.01%
Nov. 3, 2025 Turtle Cameron Chief Executive Officer S Common Stock 16845 $23.66 701,907.0000 77,592,130 2.34% 0.02%
Nov. 3, 2025 Turtle Cameron Chief Executive Officer S Common Stock 28155 $23.13 718,752.0000 77,592,130 3.77% 0.04%
Sept. 2, 2025 Burrows Scott L Chief Financial Officer S Common Stock 18428 $16.26 97,994.0000 60,275,561 15.83% 0.03%
May 29, 2025 Fairmount Funds Management LLC Director A Stock Option (Right to Buy) 25000 $0.00 50,000.0000 60,275,561 100.00% 0.04%
May 29, 2025 HENDERSON MICHAEL THOMAS Director A Stock Option (Right to Buy) 25000 $0.00 25,000.0000 60,275,561 9999.99% 0.04%
May 29, 2025 McKenna Mark C. Director A Stock Option (Right to Buy) 25000 $0.00 25,000.0000 60,275,561 9999.99% 0.04%
May 29, 2025 Milligan Sandra Director A Stock Option (Right to Buy) 25000 $0.00 25,000.0000 60,275,561 9999.99% 0.04%
May 29, 2025 Stelzer Laurie Director A Stock Option (Right to Buy) 25000 $0.00 25,000.0000 60,275,561 9999.99% 0.04%
May 29, 2025 Fairmount Funds Management LLC Director A Stock Option (Right to Buy) 25000 $0.00 50,000.0000 60,275,561 100.00% 0.04%
May 29, 2025 Albers Jeffrey W. Director A Stock Option (Right to Buy) 25000 $0.00 25,000.0000 60,275,561 9999.99% 0.04%
Jan. 15, 2025 Sloan Sheldon Chief Medical Officer A Stock Option (Right to Buy) 95500 $0.00 95,500.0000 0 9999.99% 0.00%
Jan. 15, 2025 Burrows Scott L Chief Financial Officer A Stock Option (Right to Buy) 95500 $0.00 95,500.0000 0 9999.99% 0.00%
Jan. 15, 2025 King-Jones Heidy See Remarks A Stock Option (Right to Buy) 95500 $0.00 95,500.0000 0 9999.99% 0.00%
Jan. 15, 2025 Turtle Cameron Chief Executive Officer A Stock Option (Right to Buy) 370000 $0.00 370,000.0000 0 9999.99% 0.00%
Jan. 10, 2025 HENDERSON MICHAEL THOMAS Director J Common Stock 105379 $0.00 105,379.0000 0 9999.99% 0.00%
Nov. 6, 2024 Albers Jeffrey W. Director S Common Stock 6700 $36.76 27,360.0000 0 19.67% 0.00%
Oct. 25, 2024 Albers Jeffrey W. Director S Common Stock 300 $36.43 34,060.0000 0 0.87% 0.00%
Oct. 1, 2024 Sloan Sheldon Chief Medical Officer A Stock Option (Right to Buy) 400000 $0.00 400,000.0000 0 9999.99% 0.00%
Sept. 3, 2024 Burrows Scott L Chief Financial Officer S Common Stock 18531 $28.17 116,422.0000 0 13.73% 0.00%
May 14, 2024 Fairmount Funds Management LLC Not found A Stock Option (Right to Buy) 11323 $0.00 22,646.0000 0 100.00% 0.00%
May 14, 2024 HENDERSON MICHAEL THOMAS Not found A Stock Option (Right to Buy) 11323 $0.00 11,323.0000 0 9999.99% 0.00%
May 14, 2024 Milligan Sandra Not found A Stock Option (Right to Buy) 21980 $0.00 21,980.0000 0 9999.99% 0.00%
May 14, 2024 Albers Jeffrey W. Not found A Stock Option (Right to Buy) 11323 $0.00 11,323.0000 0 9999.99% 0.00%
May 14, 2024 Stelzer Laurie Not found A Stock Option (Right to Buy) 11323 $0.00 11,323.0000 0 9999.99% 0.00%
May 14, 2024 Fairmount Funds Management LLC Not found A Stock Option (Right to Buy) 11323 $0.00 22,646.0000 0 100.00% 0.00%
April 25, 2024 Fairmount Funds Management LLC Not found M Common Stock 3639680 $0.00 4,830,177.0000 0 305.73% 0.00%
April 25, 2024 Fairmount Funds Management LLC Not found M Series A Preferred Stock 90992 $0.00 346,045.0000 0 20.82% 0.00%
Feb. 15, 2024 Turtle Cameron Chief Executive Officer A Common Stock 400 $9.82 746,907.0000 0 0.05% 0.00%
Feb. 1, 2024 McKenna Mark C. Not found A Stock Option (Right to Buy) 40000 $0.00 40,000.0000 0 9999.99% 0.00%
Feb. 1, 2024 Burrows Scott L Chief Financial Officer A Stock Option (Right to Buy) 70000 $0.00 70,000.0000 0 9999.99% 0.00%
Feb. 1, 2024 Turtle Cameron Chief Executive Officer A Stock Option (Right to Buy) 277750 $0.00 277,750.0000 0 9999.99% 0.00%
Feb. 1, 2024 King-Jones Heidy See Remarks A Stock Option (Right to Buy) 63000 $0.00 63,000.0000 0 9999.99% 0.00%
Dec. 29, 2023 Fairmount Funds Management LLC Not found J Common Stock 406038 $0.00 1,190,497.0000 0 51.76% 0.00%
Dec. 29, 2023 Fairmount Funds Management LLC Not found J Common Stock 3435480 $0.00 1,190,497.0000 0 74.26% 0.00%
Dec. 29, 2023 Fairmount Funds Management LLC Not found J Common Stock 406038 $0.00 1,190,497.0000 0 51.76% 0.00%
Dec. 22, 2023 Burrows Scott L Chief Financial Officer A Common Stock 134953 $0.00 134,953.0000 0 9999.99% 0.00%
Dec. 7, 2023 Fairmount Funds Management LLC Not found A Series B Preferred Stock 16667 $600.00 16,667.0000 0 9999.99% 0.00%
Nov. 24, 2023 Albers Jeffrey W. Not found C Series A Preferred Stock 859 $0.00 0.0000 0 100.00% 0.00%
Nov. 22, 2023 Albers Jeffrey W. Not found A Stock Option (Right to Buy) 50000 $0.00 50,000.0000 0 9999.99% 0.00%
Nov. 24, 2023 Albers Jeffrey W. Not found C Common Stock 34360 $0.00 34,360.0000 0 9999.99% 0.00%
Nov. 24, 2023 Fairmount Funds Management LLC Not found C Series A Preferred Stock 85887 $0.00 437,037.0000 0 16.42% 0.00%
Nov. 24, 2023 Fairmount Funds Management LLC Not found C Common Stock 3435480 $0.00 3,813,901.0000 0 907.85% 0.00%
Nov. 24, 2023 Turtle Cameron Chief Executive Officer C Series A Preferred Stock 18086 $0.00 0.0000 0 100.00% 0.00%
Nov. 22, 2023 Turtle Cameron Chief Executive Officer A Stock Option (Right to Buy) 374000 $0.00 374,000.0000 0 9999.99% 0.00%
Nov. 24, 2023 Turtle Cameron Chief Executive Officer C Common Stock 723440 $0.00 746,507.0000 0 3136.26% 0.00%
Nov. 22, 2023 Albers Jeffrey W. Not found A Stock Option (Right to Buy) 50000 $0.00 50,000.0000 0 9999.99% 0.00%
Nov. 22, 2023 Stelzer Laurie Not found A Stock Option (Right to Buy) 50000 $0.00 50,000.0000 0 9999.99% 0.00%
Sept. 1, 2023 Burrows Scott L Chief Financial Officer A Stock Option (Right to Buy) 10121441 $0.00 10,121,441.0000 0 9999.99% 0.00%
Sept. 1, 2023 King-Jones Heidy See Remarks A Stock Option (Right to Buy) 13495255 $0.00 13,495,255.0000 0 9999.99% 0.00%
June 22, 2023 Alspaugh Jonathan President and CFO A Employee Stock Option (right to buy) 19787969 $0.00 19,787,969.0000 0 9999.99% 0.00%
June 22, 2023 Lawton Alison Frances Director A Stock Option (right to buy) 1950000 $0.00 1,950,000.0000 0 9999.99% 0.00%
June 22, 2023 Smith Hunter C Director A Stock Option (right to buy) 1950000 $0.00 1,950,000.0000 0 9999.99% 0.00%
June 22, 2023 Magovcevic-Liebisch Ivana Director A Stock Option (right to buy) 1950000 $0.00 1,950,000.0000 0 9999.99% 0.00%
June 22, 2023 Cox Russell J. Director A Stock Option (right to buy) 1950000 $0.00 1,950,000.0000 0 9999.99% 0.00%
Feb. 23, 2023 Alspaugh Jonathan Chief Financial Officer A Employee Stock Option (right to buy) 640000 $0.00 640,000.0000 0 9999.99% 0.00%
Feb. 23, 2023 Neuman Linda L Chief Medical Officer A Employee Stock Option (right to buy) 550000 $0.00 550,000.0000 0 9999.99% 0.00%
Feb. 23, 2023 Kastenmayer James Paul General Counsel A Employee Stock Option (right to buy) 500000 $0.00 500,000.0000 0 9999.99% 0.00%
Feb. 23, 2023 Hanley Jr. Michael Conick Chief Business Officer A Employee Stock Option (right to buy) 500000 $0.00 500,000.0000 0 9999.99% 0.00%
Nov. 14, 2022 Neuman Linda L Chief Medical Officer A Employee Stock Option (right to buy) 25000 $0.00 25,000.0000 0 9999.99% 0.00%