InsiderGauge
Checking updates…
Dashboard

SYRESpyre Therapeutics, Inc.

Market cap
$8.44B
as of 2026-10-23
Latest close
$90.33
as of 2026-10-23
Sector
Healthcare
as of 2026-10-24
Industry
Biotechnology
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-11-27

Dashed line = amended filing (Form 4/A)

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
King-Jones HeidySee RemarksOct 1Oct 2M28,933$14.50$419,52931,778YesForm 4
King-Jones HeidySee RemarksOct 1Oct 2S400$89.24Sale −$35,69631,378YesForm 4
King-Jones HeidySee RemarksOct 1Oct 2S16,605$90.35Sale −$1,500,26214,773YesForm 4
King-Jones HeidySee RemarksOct 1Oct 2S7,228$91.35Sale −$660,2787,545YesForm 4
King-Jones HeidySee RemarksOct 1Oct 2S2,100$92.70Sale −$194,6705,445YesForm 4
King-Jones HeidySee RemarksOct 1Oct 2S2,600$93.46Sale −$242,9962,845YesForm 4
King-Jones HeidySee RemarksOct 1Oct 2M · derivative28,933$14.50$419,529482,478YesForm 4
Turtle CameronChief Executive OfficerOct 1Oct 2S600$89.14Sale −$53,484551,940YesForm 4
Turtle CameronChief Executive OfficerOct 1Oct 2S2,683$90.10Sale −$241,738549,257YesForm 4
Turtle CameronChief Executive OfficerOct 1Oct 2S2,638$91.49Sale −$241,351546,619YesForm 4
Turtle CameronChief Executive OfficerOct 1Oct 2S3,989$92.31Sale −$368,225542,630YesForm 4
Turtle CameronChief Executive OfficerOct 1Oct 2S4,990$93.37Sale −$465,916537,640YesForm 4
Turtle CameronChief Executive OfficerOct 1Oct 2S100$93.91Sale −$9,391537,540YesForm 4
Burrows Scott LChief Financial OfficerOct 1Oct 2M7,500$14.50$108,75087,262YesForm 4
Burrows Scott LChief Financial OfficerOct 1Oct 2S600$89.07Sale −$53,44286,662YesForm 4
Burrows Scott LChief Financial OfficerOct 1Oct 2S1,500$90.27Sale −$135,40585,162YesForm 4
Burrows Scott LChief Financial OfficerOct 1Oct 2S2,100$91.92Sale −$193,03283,062YesForm 4
Burrows Scott LChief Financial OfficerOct 1Oct 2S3,071$92.95Sale −$285,44979,991YesForm 4
Burrows Scott LChief Financial OfficerOct 1Oct 2S229$93.57Sale −$21,42879,762YesForm 4
Burrows Scott LChief Financial OfficerOct 1Oct 2M · derivative7,500$14.50$108,750312,357YesForm 4
Burrows Scott LChief Financial OfficerSep 30Oct 2M17,500$14.50$253,75097,262YesForm 4
Burrows Scott LChief Financial OfficerSep 30Oct 2S17,500$89.89Sale −$1,573,07579,762YesForm 4
Burrows Scott LChief Financial OfficerSep 30Oct 2M · derivative17,500$14.50$253,750319,857YesForm 4
Burrows Scott LChief Financial OfficerSep 2Sep 3S18,232$89.35Sale −$1,629,02979,762YesForm 4
King-Jones HeidySee RemarksSep 2Sep 3M400$14.50$5,8003,245YesForm 4
King-Jones HeidySee RemarksSep 2Sep 3S400$90.00Sale −$36,0002,845YesForm 4
King-Jones HeidySee RemarksSep 2Sep 3M · derivative400$14.50$5,800511,411YesForm 4
Turtle CameronChief Executive OfficerSep 1Sep 3S2,500$86.36Sale −$215,900565,040YesForm 4
Turtle CameronChief Executive OfficerSep 1Sep 3S8,400$87.15Sale −$732,060556,640YesForm 4
Turtle CameronChief Executive OfficerSep 1Sep 3S3,700$88.06Sale −$325,822552,940YesForm 4
Turtle CameronChief Executive OfficerSep 1Sep 3S400$89.07Sale −$35,628552,540YesForm 4
Burrows Scott LChief Financial OfficerSep 1Sep 3M7,500$14.50$108,750105,494YesForm 4
Burrows Scott LChief Financial OfficerSep 1Sep 3S900$86.25Sale −$77,625104,594YesForm 4
Burrows Scott LChief Financial OfficerSep 1Sep 3S4,384$87.11Sale −$381,890100,210YesForm 4
Burrows Scott LChief Financial OfficerSep 1Sep 3S2,016$88.03Sale −$177,46898,194YesForm 4
Burrows Scott LChief Financial OfficerSep 1Sep 3S200$89.04Sale −$17,80897,994YesForm 4
Burrows Scott LChief Financial OfficerSep 1Sep 3M · derivative7,500$14.50$108,750337,357YesForm 4
King-Jones HeidySee RemarksSep 1Sep 3M27,999$14.50$405,98630,844YesForm 4
King-Jones HeidySee RemarksSep 1Sep 3S4,845$86.40Sale −$418,60825,999YesForm 4
King-Jones HeidySee RemarksSep 1Sep 3S16,548$87.20Sale −$1,442,9869,451YesForm 4
King-Jones HeidySee RemarksSep 1Sep 3S6,206$88.17Sale −$547,1833,245YesForm 4
King-Jones HeidySee RemarksSep 1Sep 3S400$89.38Sale −$35,7522,845YesForm 4
King-Jones HeidySee RemarksSep 1Sep 3M · derivative27,999$14.50$405,986511,811YesForm 4
Albers Jeffrey W.Aug 7Aug 10M5,000$10.39$51,9505,000YesForm 4
Albers Jeffrey W.Aug 7Aug 10S5,000$104.47Sale −$522,350not reportedYesForm 4
Albers Jeffrey W.Aug 7Aug 10S8,000$104.38Sale −$835,04019,360YesForm 4
Albers Jeffrey W.Aug 7Aug 10S10,000$104.68Sale −$1,046,8009,360YesForm 4
Albers Jeffrey W.Aug 7Aug 10M · derivative5,000$10.39$51,95045,000YesForm 4
Turtle CameronChief Executive OfficerAug 3Aug 5S800$93.97Sale −$75,176581,740YesForm 4
Turtle CameronChief Executive OfficerAug 3Aug 5S7,157$95.10Sale −$680,631574,583YesForm 4
Turtle CameronChief Executive OfficerAug 3Aug 5S5,635$95.93Sale −$540,566568,948YesForm 4
Turtle CameronChief Executive OfficerAug 3Aug 5S1,392$96.82Sale −$134,773567,556YesForm 4
Turtle CameronChief Executive OfficerAug 3Aug 5S16$97.46Sale −$1,559567,540YesForm 4
Burrows Scott LChief Financial OfficerAug 3Aug 5M7,500$14.50$108,750105,494YesForm 4
Burrows Scott LChief Financial OfficerAug 3Aug 5S5,100$95.21Sale −$485,571100,394YesForm 4
Burrows Scott LChief Financial OfficerAug 3Aug 5S2,300$96.30Sale −$221,49098,094YesForm 4
Burrows Scott LChief Financial OfficerAug 3Aug 5S100$97.10Sale −$9,71097,994YesForm 4
Burrows Scott LChief Financial OfficerAug 3Aug 5M · derivative7,500$14.50$108,750344,857YesForm 4
Turtle CameronChief Executive OfficerJul 1Jul 2S10,176$87.44Sale −$889,789587,364YesForm 4
Turtle CameronChief Executive OfficerJul 1Jul 2S4,234$88.12Sale −$373,100583,130YesForm 4
Turtle CameronChief Executive OfficerJul 1Jul 2S590$88.91Sale −$52,457582,540YesForm 4
Sloan SheldonChief Medical OfficerJul 1Jul 2M8,334$27.46$228,8528,334YesForm 4
Sloan SheldonChief Medical OfficerJul 1Jul 2S6,500$87.52Sale −$568,8801,834YesForm 4
Sloan SheldonChief Medical OfficerJul 1Jul 2S1,834$88.34Sale −$162,016not reportedYesForm 4
Sloan SheldonChief Medical OfficerJul 1Jul 2M · derivative8,334$27.46$228,852305,000YesForm 4
Burrows Scott LChief Financial OfficerJul 1Jul 2M7,500$14.50$108,750105,494YesForm 4
Burrows Scott LChief Financial OfficerJul 1Jul 2S5,775$87.55Sale −$505,60199,719YesForm 4
Burrows Scott LChief Financial OfficerJul 1Jul 2S1,725$88.37Sale −$152,43897,994YesForm 4
Burrows Scott LChief Financial OfficerJul 1Jul 2M · derivative7,500$14.50$108,750352,357YesForm 4
Burrows Scott LChief Financial OfficerJun 25Jun 26M15,000$14.50$217,500112,994NoForm 4
Burrows Scott LChief Financial OfficerJun 25Jun 26S5,000$87.12Sale −$435,600107,994NoForm 4
Burrows Scott LChief Financial OfficerJun 25Jun 26S10,000$87.14Sale −$871,40097,994NoForm 4
Burrows Scott LChief Financial OfficerJun 25Jun 26M · derivative15,000$14.50$217,500359,857NoForm 4
Fairmount Funds Management LLCJun 23Jun 23C666,680not reportednot reported4,684,781NoForm 4
Fairmount Funds Management LLCJun 23Jun 23S4,684,781$85.31Sale −$399,658,667not reportedNoForm 4
Fairmount Funds Management LLCJun 23Jun 23C · derivative16,667$0.00$0not reportedNoForm 4
Henderson Michael ThomasJun 22Jun 23S20,000$100.00Sale −$2,000,00068,606YesForm 4
Sloan SheldonChief Medical OfficerJun 3Jun 3M8,333$27.46$228,8248,333YesForm 4
Sloan SheldonChief Medical OfficerJun 3Jun 3S8,333$75.00Sale −$624,975not reportedYesForm 4
Sloan SheldonChief Medical OfficerJun 3Jun 3M · derivative8,333$27.46$228,824313,334YesForm 4
Burrows Scott LChief Financial OfficerJun 1Jun 3M7,500$14.50$108,750105,494YesForm 4
Burrows Scott LChief Financial OfficerJun 1Jun 3S1,801$69.75Sale −$125,620103,693YesForm 4
Burrows Scott LChief Financial OfficerJun 1Jun 3S2,599$70.77Sale −$183,931101,094YesForm 4
Burrows Scott LChief Financial OfficerJun 1Jun 3S3,100$72.06Sale −$223,38697,994YesForm 4
Burrows Scott LChief Financial OfficerJun 1Jun 3M · derivative7,500$14.50$108,750374,857YesForm 4
Turtle CameronChief Executive OfficerJun 1Jun 3S3,557$69.40Sale −$246,856608,983YesForm 4
Turtle CameronChief Executive OfficerJun 1Jun 3S8,149$70.50Sale −$574,505600,834YesForm 4
Turtle CameronChief Executive OfficerJun 1Jun 3S3,294$71.38Sale −$235,126597,540YesForm 4
McKenna Mark C.May 27May 29A · derivative8,026$72.51$581,9658,026NoForm 4
Stelzer LaurieMay 27May 29A · derivative8,026$72.51$581,9658,026NoForm 4
Henderson Michael ThomasMay 27May 29A · derivative8,026$72.51$581,9658,026NoForm 4
Albers Jeffrey W.May 27May 29A · derivative8,026$72.51$581,9658,026NoForm 4
Fairmount Healthcare Fund II L.P.May 27May 29A · derivative8,026$72.51$581,9658,026NoForm 4
Milligan SandraMay 27May 29A · derivative8,026$72.51$581,9658,026NoForm 4
Henderson Michael ThomasMay 8May 8S2,404$72.57Sale −$174,458166,202YesForm 4
Henderson Michael ThomasMay 8May 8S33,513$73.72Sale −$2,470,578132,689YesForm 4
Henderson Michael ThomasMay 8May 8S24,814$74.76Sale −$1,855,095107,875YesForm 4
Henderson Michael ThomasMay 8May 8S19,269$75.35Sale −$1,451,91988,606YesForm 4
Turtle CameronChief Executive OfficerMay 1May 1S5,300$69.54Sale −$368,562622,240YesForm 4
Turtle CameronChief Executive OfficerMay 1May 1S3,600$70.77Sale −$254,772618,640YesForm 4
Turtle CameronChief Executive OfficerMay 1May 1S1,000$71.76Sale −$71,760617,640YesForm 4
Turtle CameronChief Executive OfficerMay 1May 1S3,100$73.14Sale −$226,734614,540YesForm 4
Turtle CameronChief Executive OfficerMay 1May 1S1,700$74.23Sale −$126,191612,840YesForm 4
Turtle CameronChief Executive OfficerMay 1May 1S300$74.96Sale −$22,488612,540YesForm 4
Burrows Scott LChief Financial OfficerMay 1May 1M12,500$14.50$181,250110,494YesForm 4
Burrows Scott LChief Financial OfficerMay 1May 1S12,500$71.37Sale −$892,12597,994YesForm 4
Burrows Scott LChief Financial OfficerMay 1May 1M · derivative12,500$14.50$181,250382,357YesForm 4
Sloan SheldonChief Medical OfficerMay 1May 1M78,333$27.46$2,151,02478,333YesForm 4
Sloan SheldonChief Medical OfficerMay 1May 1S21,306$69.53Sale −$1,481,40657,027YesForm 4
Sloan SheldonChief Medical OfficerMay 1May 1S19,656$70.61Sale −$1,387,91037,371YesForm 4
Sloan SheldonChief Medical OfficerMay 1May 1S8,777$71.56Sale −$628,08228,594YesForm 4
Sloan SheldonChief Medical OfficerMay 1May 1S12,777$72.94Sale −$931,95415,817YesForm 4
Sloan SheldonChief Medical OfficerMay 1May 1S10,358$73.74Sale −$763,7995,459YesForm 4
Sloan SheldonChief Medical OfficerMay 1May 1S5,059$74.60Sale −$377,401400YesForm 4
Sloan SheldonChief Medical OfficerMay 1May 1S400$75.37Sale −$30,148not reportedYesForm 4
Sloan SheldonChief Medical OfficerMay 1May 1M · derivative78,333$27.46$2,151,024321,667YesForm 4
Sloan SheldonChief Medical OfficerApr 1Apr 3M7,958$21.66$172,3707,958YesForm 4
Sloan SheldonChief Medical OfficerApr 1Apr 3S7,958$50.00Sale −$397,900not reportedYesForm 4
Sloan SheldonChief Medical OfficerApr 1Apr 3M · derivative7,958$21.66$172,37087,542YesForm 4
Turtle CameronChief Executive OfficerApr 1Apr 3S12,344$49.20Sale −$607,325630,196YesForm 4
Turtle CameronChief Executive OfficerApr 1Apr 3S2,656$49.92Sale −$132,588627,540YesForm 4
Burrows Scott LChief Financial OfficerApr 1Apr 3M7,500$14.50$108,750105,494YesForm 4
Burrows Scott LChief Financial OfficerApr 1Apr 3S6,200$49.21Sale −$305,10299,294YesForm 4
Burrows Scott LChief Financial OfficerApr 1Apr 3S1,300$49.98Sale −$64,97497,994YesForm 4
Burrows Scott LChief Financial OfficerApr 1Apr 3M · derivative7,500$14.50$108,750394,857YesForm 4
Burrows Scott LChief Financial OfficerMar 3Mar 3M2,500$14.50$36,250100,494YesForm 4
Burrows Scott LChief Financial OfficerMar 3Mar 3S2,300$40.56Sale −$93,28898,194YesForm 4
Burrows Scott LChief Financial OfficerMar 3Mar 3S200$41.66Sale −$8,33297,994YesForm 4
Burrows Scott LChief Financial OfficerMar 3Mar 3M · derivative2,500$14.50$36,250402,357YesForm 4
Turtle CameronChief Executive OfficerMar 2Mar 3S5,900$41.73Sale −$246,207651,640YesForm 4
Turtle CameronChief Executive OfficerMar 2Mar 3S9,100$42.49Sale −$386,659642,540YesForm 4
Turtle CameronChief Executive OfficerFeb 2Feb 4S957$31.82Sale −$30,452671,583YesForm 4
Turtle CameronChief Executive OfficerFeb 2Feb 4S14,043$32.87Sale −$461,593657,540YesForm 4
Henderson Michael ThomasJan 21Jan 23J63,227$0.00$0168,606NoForm 4
King-Jones HeidySee RemarksJan 9Jan 13A · derivative140,000$30.61$4,285,400140,000NoForm 4
Sloan SheldonChief Medical OfficerJan 9Jan 13A · derivative140,000$30.61$4,285,400140,000NoForm 4
Turtle CameronChief Executive OfficerJan 9Jan 13A · derivative528,000$30.61$16,162,080528,000NoForm 4
Burrows Scott LChief Financial OfficerJan 9Jan 13A · derivative140,000$30.61$4,285,400140,000NoForm 4
Turtle CameronChief Executive OfficerJan 2Jan 6S12,709$30.47Sale −$387,243674,198YesForm 4
Turtle CameronChief Executive OfficerJan 2Jan 6S2,191$31.79Sale −$69,652672,007YesForm 4
Turtle CameronChief Executive OfficerJan 2Jan 6S100$32.39Sale −$3,239671,907YesForm 4
Turtle CameronChief Executive OfficerDec 1, 2025Dec 3, 2025S10,995$28.73Sale −$315,886690,912YesForm 4
Turtle CameronChief Executive OfficerDec 1, 2025Dec 3, 2025S4,005$29.83Sale −$119,469686,907YesForm 4
Turtle CameronChief Executive OfficerNov 3, 2025Nov 5, 2025S28,155$23.13Sale −$651,225718,752YesForm 4
Turtle CameronChief Executive OfficerNov 3, 2025Nov 5, 2025S16,845$23.66Sale −$398,553701,907YesForm 4
Burrows Scott LChief Financial OfficerSep 2, 2025Sep 3, 2025S18,428$16.26Sale −$299,63997,994NoForm 4
Albers Jeffrey W.May 29, 2025Jun 2, 2025A · derivative25,000$15.55$388,75025,000NoForm 4
Henderson Michael ThomasMay 29, 2025Jun 2, 2025A · derivative25,000$15.55$388,75025,000NoForm 4
McKenna Mark C.May 29, 2025Jun 2, 2025A · derivative25,000$15.55$388,75025,000NoForm 4
Milligan SandraMay 29, 2025Jun 2, 2025A · derivative25,000$15.55$388,75025,000NoForm 4
Stelzer LaurieMay 29, 2025Jun 2, 2025A · derivative25,000$15.55$388,75025,000NoForm 4
Fairmount Healthcare Fund II L.P.May 29, 2025Jun 2, 2025A · derivative25,000$15.55$388,75025,000NoForm 4
Fairmount Healthcare Fund II L.P.May 29, 2025Jun 2, 2025A · derivative25,000$15.55$388,75025,000NoForm 4
King-Jones HeidySee RemarksJan 15, 2025Jan 17, 2025A · derivative95,500$21.66$2,068,53095,500NoForm 4
Turtle CameronChief Executive OfficerJan 15, 2025Jan 17, 2025A · derivative370,000$21.66$8,014,200370,000NoForm 4
Sloan SheldonChief Medical OfficerJan 15, 2025Jan 17, 2025A · derivative95,500$21.66$2,068,53095,500NoForm 4
Burrows Scott LChief Financial OfficerJan 15, 2025Jan 17, 2025A · derivative95,500$21.66$2,068,53095,500NoForm 4
Henderson Michael ThomasJan 10, 2025Jan 14, 2025J105,379$0.00$0105,379NoForm 4
Albers Jeffrey W.Nov 6, 2024Nov 8, 2024S6,700$36.76Sale −$246,29227,360YesForm 4
Albers Jeffrey W.Oct 25, 2024Oct 28, 2024S300$36.43Sale −$10,92934,060YesForm 4
Sloan SheldonChief Medical OfficerOct 1, 2024Oct 1, 2024A · derivative400,000$27.46$10,984,000400,000NoForm 4
Burrows Scott LChief Financial OfficerSep 3, 2024Sep 5, 2024S18,531$28.17Sale −$522,018116,422NoForm 4
Henderson Michael ThomasMay 14, 2024May 16, 2024A · derivative11,323$39.29$444,88111,323NoForm 4
Albers Jeffrey W.May 14, 2024May 16, 2024A · derivative11,323$39.29$444,88111,323NoForm 4
Milligan SandraMay 14, 2024May 16, 2024A · derivative21,980$39.29$863,59421,980NoForm 4
Harwin Peter EvanMay 14, 2024May 16, 2024A · derivative11,323$39.29$444,88111,323NoForm 4
Harwin Peter EvanMay 14, 2024May 16, 2024A · derivative11,323$39.29$444,88111,323NoForm 4
Stelzer LaurieMay 14, 2024May 16, 2024A · derivative11,323$39.29$444,88111,323NoForm 4
Harwin Peter EvanApr 25, 2024Apr 25, 2024M3,639,680$0.00$04,018,101NoForm 4
Harwin Peter EvanApr 25, 2024Apr 25, 2024M · derivative90,992$0.00$0346,045NoForm 4
Turtle CameronChief Executive OfficerFeb 15, 2024Feb 20, 2024A400$9.82$3,928746,907NoForm 4
McKenna Mark C.Feb 1, 2024Feb 5, 2024A · derivative40,000$25.86$1,034,40040,000NoForm 4
King-Jones HeidySee RemarksFeb 1, 2024Feb 2, 2024A · derivative63,000$25.86$1,629,18063,000NoForm 4
Burrows Scott LChief Financial OfficerFeb 1, 2024Feb 2, 2024A · derivative70,000$25.86$1,810,20070,000NoForm 4
Turtle CameronChief Executive OfficerFeb 1, 2024Feb 2, 2024A · derivative277,750$25.86$7,182,615277,750NoForm 4
Fairmount Healthcare Fund II L.P.Dec 29, 2023Dec 29, 2023J3,435,480$0.00$0not reportedYesForm 4
Fairmount Healthcare Fund II L.P.Dec 29, 2023Dec 29, 2023J406,038$0.00$0406,038YesForm 4
Fairmount Healthcare Fund II L.P.Dec 29, 2023Dec 29, 2023J406,038$0.00$0406,038YesForm 4
Burrows Scott LChief Financial OfficerDec 22, 2023Dec 22, 2023A134,953$0.00$0134,953NoForm 4
Harwin Peter EvanDec 7, 2023Dec 11, 2023A · derivative16,667$600.00$10,000,20016,667NoForm 4
Albers Jeffrey W.Nov 24, 2023Dec 8, 20234/AC34,360$0.00$034,360NoForm 4/A
Albers Jeffrey W.Nov 24, 2023Dec 8, 20234/AC · derivative859$0.00$0not reportedNoForm 4/A
Albers Jeffrey W.Nov 22, 2023Dec 8, 20234/AA · derivative50,000$10.39$519,50050,000NoForm 4/A
Fairmount Healthcare Co-Invest L.P.Nov 24, 2023Nov 28, 2023C3,435,480$0.00$03,435,480NoForm 4
Fairmount Healthcare Co-Invest L.P.Nov 24, 2023Nov 28, 2023C · derivative85,887$0.00$0not reportedNoForm 4
Turtle CameronChief Executive OfficerNov 24, 2023Nov 27, 2023C723,440$0.00$0746,507NoForm 4
Turtle CameronChief Executive OfficerNov 24, 2023Nov 27, 2023C · derivative18,086$0.00$0not reportedNoForm 4
Turtle CameronChief Executive OfficerNov 22, 2023Nov 27, 2023A · derivative374,000$10.39$3,885,860374,000NoForm 4
Stelzer LaurieNov 22, 2023Nov 27, 2023A · derivative50,000$10.39$519,50050,000NoForm 4