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TScan Therapeutics, Inc.

TCRX
Healthcare|Biotechnology|US
$0.19
+0.01 (+3.41%)
Tangible Book / Share
$0.53
Cash / Share
$0.77

Ownership Breakdown

85.6%
Float
63.5M
Shares Outstanding
54.4M
Float Shares

Major Holders (30)

Combined: 175.7%

Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.

HolderType% of ClassSharesFiledFiling
Lynx1 Capital Management LPPartnership13.10%20,519,148Aug 14, 202613D/G
Weston NicholsIndividual13.10%20,519,148Aug 14, 202613D/G
Lampert Mark NIndividual9.99%6,417,831Aug 14, 202613D/G
BVF Partners L P/IlIA, PN9.99%6,417,831Aug 14, 202613D/G
BVF Inc/IlCorporation9.99%6,417,831Aug 14, 202613D/G
BVF Partners L.P.IA, PN9.99%5,073,003Nov 14, 202413D/G
BVF Inc.Corporation9.99%5,073,003Nov 14, 202413D/G
Mark N. LampertIndividual9.99%5,073,003Nov 14, 202413D/G
BVF GP Holdings LLCOther9.80%6,311,239Aug 14, 202613D/G
Biotechnology Value Fund, L.P.Partnership7.20%3,681,509Nov 14, 202413D/G
Anup AroraHC, IN6.90%3,602,700Feb 14, 202513D/G
K2 HealthVentures Equity Trust LLCOther6.90%3,602,700Feb 14, 202513D/G
Parag ShahHC, IN6.90%3,602,700Feb 14, 202513D/G
Biotechnology Value Fund L PPartnership5.70%3,649,002Aug 14, 202613D/G
BVF I GP LLCOther5.70%3,649,002Aug 14, 202613D/G
Matthew SmithHC, IN5.40%3,453,388Sep 25, 202613D/G
Readout Capital GP, LLCHolding company5.40%3,453,388Sep 25, 202613D/G
Readout Capital, LPIA, PN5.40%3,453,388Sep 25, 202613D/G
Biotechnology Value Fund II LPPartnership4.20%2,662,237Aug 14, 202613D/G
BVF II GP LLCOther4.20%2,662,237Aug 14, 202613D/G
Robert AtchinsonHC, IN2.52%1,350,000Aug 12, 202513D/G
Phillip GrossHC, IN2.52%1,350,000Aug 12, 202513D/G
Adage Capital Management, L.P.IA, PN2.52%1,350,000Aug 12, 202513D/G
Biotechnology Value Fund II, L.P.Partnership2.50%1,210,605Nov 14, 202413D/G
BlackRock, Inc.Holding company1.80%958,373Jul 16, 202513D/G
EcoR1 Capital, LLCIA, OO1.30%662,833May 15, 202513D/G
Oleg NodelmanHC, IN1.30%662,833May 15, 202513D/G
EcoR1 Capital Fund Qualified, L.P.Partnership1.20%623,967May 15, 202513D/G
BVF Partners OS Ltd.Corporation0.10%83,135Aug 14, 202613D/G
Biotechnology Value Trading Fund OS LPPartnership0.10%83,135Aug 14, 202613D/G

Insider Trades (100)

Last 4 quarters: 4,248,801 acquired · 0 disposed
InsiderPositionDateTypeSharesPriceValueFiling
MacBeath Gavindirector, officer: Chief Executive OfficerOct 1, 2026AWARD1,000,000——Form 4
ZDRAVESKI ZORANSee RemarksOct 1, 2026AWARD300,000——Form 4
BAKER BROS. ADVISORS LPdirectorMay 20, 2026AWARD67,000$0.99$66.6KForm 4
Woods KeithdirectorMay 20, 2026AWARD67,000$0.99$66.6KForm 4
Nicholson Garry AdirectorMay 20, 2026AWARD67,000$0.99$66.6KForm 4
Gruia GabrieladirectorMay 20, 2026AWARD67,000$0.99$66.6KForm 4
Dorton KatinadirectorMay 20, 2026AWARD67,000$0.99$66.6KForm 4
Klencke BarbaradirectorMay 20, 2026AWARD67,000$0.99$66.6KForm 4
Amello JasonChief Financial OfficerJan 20, 2026AWARD350,000$1.12$392.0KForm 4
MacBeath Gavindirector, officer: Chief Executive OfficerJan 20, 2026AWARD1,165,000$1.12$1.3MForm 4
Dworak LeidenSee RemarksJan 20, 2026AWARD100,000$1.12$112.0KForm 4
Louis ChrystalChief Medical OfficerJan 20, 2026AWARD420,000$1.12$470.4KForm 4
ZDRAVESKI ZORANSee RemarksJan 20, 2026AWARD350,000$1.12$392.0KForm 4
Lynx1 Capital Management LP10 percent ownerDec 23, 2025BUY6,232$0.90$5.6KForm 4
Lynx1 Capital Management LP10 percent ownerDec 22, 2025BUY75,500$0.90$68.0KForm 4
Lynx1 Capital Management LP10 percent ownerDec 19, 2025BUY80,069$0.90$72.0KForm 4
Dworak LeidenPrincipal Accounting OfficerAug 14, 2025OTHER46,875$6.00$281.3KForm 4
Dworak LeidenPrincipal Accounting OfficerAug 14, 2025OTHER25,000$2.23$55.8KForm 4
Dworak LeidenPrincipal Accounting OfficerAug 14, 2025OTHER70,000$3.06$214.6KForm 4
Dworak LeidenPrincipal Accounting OfficerAug 14, 2025OTHER163,800$2.49$407.9KForm 4
Dworak LeidenPrincipal Accounting OfficerAug 14, 2025OTHER23,750$1.81$43.0KForm 4
Dworak LeidenPrincipal Accounting OfficerAug 14, 2025OTHER37,500$2.90$108.8KForm 4
BAKER BROS. ADVISORS LPdirectorJun 30, 2025AWARD67,000$1.45$97.2KForm 4
Klencke BarbaradirectorJun 30, 2025AWARD67,000$1.45$97.2KForm 4
Nicholson Garry AdirectorJun 30, 2025AWARD67,000$1.45$97.2KForm 4
Woods KeithdirectorJun 30, 2025AWARD67,000$1.45$97.2KForm 4
Dorton KatinadirectorJun 30, 2025AWARD67,000$1.45$97.2KForm 4
Gruia GabrieladirectorJun 30, 2025AWARD67,000$1.45$97.2KForm 4
Lynx1 Capital Management LP10 percent ownerMay 20, 2025BUY1,200,000$1.20$1.4MForm 4
Lynx1 Capital Management LP10 percent ownerMay 19, 2025BUY1,388,794$1.20$1.7MForm 4
ZDRAVESKI ZORANSee RemarksJan 3, 2025AWARD250,000$3.06$766.3KForm 4
ZDRAVESKI ZORANSee RemarksJan 12, 2024AWARD52,500$6.00$315.0KForm 4
Dworak Leidenother: Vice President, FinanceJan 12, 2024AWARD46,875$6.00$281.3KForm 4
MacBeath Gavindirector, officer: Chief Executive OfficerJan 3, 2025AWARD800,000$3.06$2.5MForm 4
MacBeath Gavindirector, officer: Chief Executive OfficerJan 12, 2024AWARD160,000$6.00$960.0KForm 4
Amello JasonChief Financial OfficerJan 3, 2025AWARD270,000$3.06$827.5KForm 4
Louis ChrystalChief Medical OfficerJan 3, 2025AWARD400,000$3.06$1.2MForm 4
Lynx1 Capital Management LP10 percent ownerDec 26, 2024BUY7,500,000$0.00$750.00Form 4
Lynx1 Capital Management LP10 percent ownerDec 13, 2024BUY100,000$2.90$290.1KForm 4
Lynx1 Capital Management LP10 percent ownerDec 12, 2024BUY31,800$3.01$95.6KForm 4
Lynx1 Capital Management LP10 percent ownerNov 15, 2024BUY947$4.34$4.1KForm 4
Klencke BarbaradirectorSep 23, 2024BUY5,000$5.29$26.4KForm 4
Klencke BarbaradirectorAug 26, 2024BUY5,000$5.53$27.6KForm 4
Klencke BarbaradirectorAug 23, 2024BUY5,000$5.69$28.5KForm 4
ZDRAVESKI ZORANSee RemarksAug 23, 2024OPTION EX.64,166$2.49$159.8KForm 4
ZDRAVESKI ZORANSee RemarksAug 23, 2024OPTION EX.64,166$2.49$159.8KForm 4
ZDRAVESKI ZORANSee RemarksAug 23, 2024OPTION EX.13,125$1.81$23.8KForm 4
ZDRAVESKI ZORANSee RemarksAug 23, 2024OPTION EX.25,000$3.27$81.8KForm 4
ZDRAVESKI ZORANSee RemarksAug 23, 2024OPTION EX.54,895$4.85$266.2KForm 4
ZDRAVESKI ZORANSee RemarksAug 23, 2024OPTION EX.54,895$4.85$266.2KForm 4
ZDRAVESKI ZORANSee RemarksAug 23, 2024OPTION EX.25,000$3.27$81.8KForm 4
ZDRAVESKI ZORANSee RemarksAug 23, 2024OPTION EX.13,125$1.81$23.8KForm 4
ZDRAVESKI ZORANSee RemarksAug 23, 2024SELL164,686$5.78$952.1KForm 4
Woods KeithdirectorJun 12, 2024AWARD47,500$8.88$421.8KForm 4
Dorton KatinadirectorJun 12, 2024AWARD47,500$8.88$421.8KForm 4
Klencke BarbaradirectorJun 12, 2024AWARD47,500$8.88$421.8KForm 4
Gruia GabrieladirectorJun 12, 2024AWARD47,500$8.88$421.8KForm 4
Nicholson Garry AdirectorJun 12, 2024AWARD47,500$8.88$421.8KForm 4
Nicholson Garry AdirectorJun 12, 2024AWARD23,750$8.88$210.9KForm 4
Nicholson Garry AJun 12, 2024OTHER0——Form 4
BAKER BROS. ADVISORS LPdirectorJun 12, 2024AWARD47,500$8.88$421.8KForm 4
Louis ChrystalChief Medical OfficerMay 1, 2024AWARD380,000$8.62$3.3MForm 4
Louis ChrystalApr 22, 2024OTHER0——Form 4
BAKER BROS. ADVISORS LPdirectorApr 19, 2024BUY8,851,451$0.00$885.15Form 4
BAKER BROS. ADVISORS LPdirectorApr 19, 2024BUY825,968$0.00$82.60Form 4
Lynx1 Capital Management LP10 percent ownerApr 19, 2024BUY5,000,000$0.00$500.00Form 4
Amello JasonChief Financial OfficerFeb 1, 2024AWARD750,000$5.15$3.9MForm 4
Amello JasonJan 29, 2024OTHER0——Form 4
BARBERICH TIMOTHY JdirectorDec 19, 2023BUY317$4.97$1.6KForm 4
BARBERICH TIMOTHY JdirectorDec 18, 2023BUY28,830$4.89$140.9KForm 4
Klencke BarbaradirectorDec 14, 2023BUY5,000$5.08$25.4KForm 4
Woods KeithdirectorDec 6, 2023AWARD17,500$6.74$118.0KForm 4
Woods KeithDec 6, 2023OTHER0——Form 4
Dworak LeidenChief Accounting OfficerJul 21, 2023AWARD25,000$2.23$55.8KForm 4
Dworak LeidenChief Accounting OfficerJul 21, 2023DISPOSED0——Form 4
Dworak LeidenChief Accounting OfficerJul 21, 2023DISPOSED37,500$2.90$108.8KForm 4
Dworak LeidenChief Accounting OfficerJul 21, 2023DISPOSED28,750$1.81$52.0KForm 4
Dworak LeidenChief Accounting OfficerJul 21, 2023DISPOSED163,800$2.49$407.9KForm 4
BARBERICH TIMOTHY JdirectorJun 13, 2023AWARD35,000$2.66$93.1KForm 4
Barton DeboraChief Medical OfficerJun 13, 2023AWARD430,000$2.49$1.1MForm 4
Dorton KatinadirectorJun 13, 2023AWARD35,000$2.66$93.1KForm 4
Gruia GabrieladirectorJun 13, 2023AWARD35,000$2.66$93.1KForm 4
Klencke BarbaradirectorJun 13, 2023AWARD36,524$2.66$97.2KForm 4
Silver Brian M.Chief Financial OfficerJun 13, 2023AWARD632,500$2.49$1.6MForm 4
MacBeath Gavindirector, officer: Chief Executive OfficerJun 13, 2023AWARD1,121,300$2.49$2.8MForm 4
ZDRAVESKI ZORANChief Legal OfficerJun 13, 2023AWARD430,000$2.49$1.1MForm 4
BAKER BROS. ADVISORS LPdirectorJun 13, 2023AWARD35,000$2.66$93.1KForm 4
BARBERICH TIMOTHY JdirectorJun 2, 2023BUY37,880$2.63$99.6KForm 4
EcoR1 Capital, LLC10 percent ownerMay 26, 2023OTHER0——Form 4
Lynx1 Capital Management LP10 percent ownerMay 31, 2023SELL10,000$2.51$25.1KForm 4
Lynx1 Capital Management LP10 percent ownerMay 31, 2023SELL15,000$2.52$37.8KForm 4
Lynx1 Capital Management LP10 percent ownerMay 31, 2023SELL400$2.51$1.0KForm 4
Lynx1 Capital Management LP10 percent ownerMay 31, 2023OTHER0——Form 4
BAKER BROS. ADVISORS LPdirectorJun 1, 2023AWARD34,307,290$0.00$3.4KForm 4
BAKER BROS. ADVISORS LPdirectorJun 1, 2023AWARD3,192,710$0.00$319.27Form 4
Klencke BarbaradirectorApr 6, 2023AWARD9,146$2.20$20.1KForm 4
Klencke BarbaradirectorApr 6, 2023OTHER0——Form 4
Klencke BarbaradirectorApr 6, 2023DISPOSED0——Form 4
SOUTHWELL DAVID Pdirector, officer: Chief Executive OfficerFeb 2, 2023AWARD100,000$1.81$181.0KForm 4
MacBeath GavinSee RemarksFeb 2, 2023AWARD40,000$1.81$72.4KForm 4