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Aspen Neuroscience Inc.

ASPE
Healthcare|Biotechnology|US
$12.44
+0.68 (+5.78%)

Ownership Breakdown

56.0%
Float
29.1M
Shares Outstanding
16.3M
Float Shares

Major Holders (6)

Combined: 63.6%

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
Orbimed Advisors LLCInvestment adviser12.30%3,589,132Nov 6, 202613D/G
Orbimed Capital GP VII LLCOther12.30%3,589,132Nov 6, 202613D/G
FMR LLCHolding company11.20%3,250,000Nov 6, 202613D/G
Abigail P. JohnsonIndividual11.20%3,250,000Nov 6, 202613D/G
Gilead Sciences, Inc.Corporation9.90%2,879,996Nov 6, 202613D/G
Qatar Investment AuthorityOther6.70%1,933,330Nov 3, 202613D/G

Insider Trades (100)

Last 4 quarters: 12,419,950 acquired · 6,746,617 disposed
InsiderPositionDateTypeSharesPriceValueFiling
Thompson Peter A.director, 10 percent owner: Nov 2, 2026BUY1,000,000$15.00$15.0MForm 4
Thompson Peter A.director, 10 percent owner: Nov 2, 2026CONVERSION507,119——Form 4
Thompson Peter A.director, 10 percent owner: Nov 2, 2026CONVERSION625,743——Form 4
Thompson Peter A.director, 10 percent owner: Nov 2, 2026CONVERSION616,984——Form 4
Thompson Peter A.director, 10 percent owner: Nov 2, 2026CONVERSION642,745——Form 4
Thompson Peter A.director, 10 percent owner: Nov 2, 2026CONVERSION196,541——Form 4
Thompson Peter A.director, 10 percent owner: Nov 2, 2026CONVERSION616,984——Form 4
Thompson Peter A.director, 10 percent owner: Nov 2, 2026CONVERSION196,541——Form 4
Thompson Peter A.director, 10 percent owner: Nov 2, 2026CONVERSION642,745——Form 4
Thompson Peter A.director, 10 percent owner: Nov 2, 2026CONVERSION625,743——Form 4
Thompson Peter A.director, 10 percent owner: Nov 2, 2026CONVERSION507,119——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Nov 2, 2026BUY1,000,000$15.00$15.0MForm 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Nov 2, 2026CONVERSION507,119——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Nov 2, 2026CONVERSION625,743——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Nov 2, 2026CONVERSION616,984——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Nov 2, 2026CONVERSION642,745——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Nov 2, 2026CONVERSION196,541——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Nov 2, 2026CONVERSION616,984——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Nov 2, 2026CONVERSION196,541——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Nov 2, 2026CONVERSION642,745——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Nov 2, 2026CONVERSION625,743——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Nov 2, 2026CONVERSION507,119——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION259,948——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026BUY1,200,000$15.00$18.0MForm 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION214,355——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION295,490——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION295,490——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION286,304——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION286,304——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION298,258——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION298,258——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION187,182——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026BUY66,667$15.00$1.0MForm 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026BUY66,666$15.00$1000.0KForm 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION187,182——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION298,258——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION286,304——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION295,490——Form 4
ARCH Venture Fund X, L.P.10 percent ownerNov 2, 2026CONVERSION214,355——Form 4
ARCH Venture Partners XIV, L.P.10 percent ownerNov 2, 2026BUY1,200,000$15.00$18.0MForm 4
Spaventa AndrewdirectorNov 2, 2026CONVERSION180,221——Form 4
Spaventa AndrewdirectorNov 2, 2026CONVERSION70,194——Form 4
Spaventa AndrewdirectorNov 2, 2026CONVERSION180,221——Form 4
Spaventa AndrewdirectorNov 2, 2026CONVERSION70,194——Form 4
Hasnain Faheemdirector, officer: Executive ChairNov 2, 2026CONVERSION14,913——Form 4
Hasnain Faheemdirector, officer: Executive ChairNov 2, 2026CONVERSION14,316——Form 4
Hasnain Faheemdirector, officer: Executive ChairNov 2, 2026CONVERSION7,120——Form 4
Hasnain Faheemdirector, officer: Executive ChairNov 2, 2026CONVERSION14,316——Form 4
Hasnain Faheemdirector, officer: Executive ChairNov 2, 2026CONVERSION14,913——Form 4
Hasnain Faheemdirector, officer: Executive ChairNov 2, 2026CONVERSION7,120——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Oct 29, 2026OTHER196,541——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Oct 29, 2026OTHER642,745——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Oct 29, 2026OTHER616,984——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Oct 29, 2026OTHER625,743——Form 4
ORBIMED ADVISORS LLCdirector, 10 percent owner: Oct 29, 2026OTHER507,119——Form 4
Boerneke Jeffrey LeeGeneral Counsel and SecretaryOct 29, 2026OTHER101,193$9.79$990.7KForm 4
Spaventa AndrewdirectorOct 29, 2026OTHER0——Form 4
Spaventa AndrewdirectorOct 29, 2026OTHER0——Form 4
Spaventa AndrewdirectorOct 29, 2026OTHER70,194——Form 4
Spaventa AndrewdirectorOct 29, 2026OTHER180,221——Form 4
Spaventa AndrewdirectorOct 29, 2026OTHER29,345$7.71$226.2KForm 4
Spaventa AndrewdirectorOct 29, 2026OTHER19,226$5.74$110.4KForm 4
Hasnain Faheemdirector, officer: Executive ChairOct 29, 2026OTHER0——Form 4
Hasnain Faheemdirector, officer: Executive ChairOct 29, 2026OTHER14,913——Form 4
Hasnain Faheemdirector, officer: Executive ChairOct 29, 2026OTHER14,316——Form 4
Hasnain Faheemdirector, officer: Executive ChairOct 29, 2026OTHER7,120——Form 4
Hasnain Faheemdirector, officer: Executive ChairOct 29, 2026OTHER27,322$7.71$210.7KForm 4
Hasnain Faheemdirector, officer: Executive ChairOct 29, 2026OTHER41,489$5.74$238.1KForm 4
ARCH Venture Fund X, L.P.10 percent ownerOct 29, 2026OTHER187,182——Form 4
ARCH Venture Fund X, L.P.10 percent ownerOct 29, 2026OTHER298,258——Form 4
ARCH Venture Fund X, L.P.10 percent ownerOct 29, 2026OTHER286,304——Form 4
ARCH Venture Fund X, L.P.10 percent ownerOct 29, 2026OTHER295,490——Form 4
ARCH Venture Fund X, L.P.10 percent ownerOct 29, 2026OTHER214,355——Form 4
Daniel Thomas OdirectorOct 29, 2026OTHER25,279$3.46$87.5KForm 4
Daniel Thomas OdirectorOct 29, 2026OTHER24,286$7.71$187.2KForm 4
Daniel Thomas OdirectorOct 29, 2026OTHER10,119$5.74$58.1KForm 4
Thompson Peter A.director, 10 percent owner: Oct 29, 2026OTHER196,541——Form 4
Thompson Peter A.director, 10 percent owner: Oct 29, 2026OTHER642,745——Form 4
Thompson Peter A.director, 10 percent owner: Oct 29, 2026OTHER616,984——Form 4
Thompson Peter A.director, 10 percent owner: Oct 29, 2026OTHER625,743——Form 4
Thompson Peter A.director, 10 percent owner: Oct 29, 2026OTHER507,119——Form 4
McDevitt Damiendirector, officer: See RemarksOct 29, 2026OTHER0——Form 4
McDevitt Damiendirector, officer: See RemarksOct 29, 2026OTHER0——Form 4
McDevitt Damiendirector, officer: See RemarksOct 29, 2026OTHER196,820$8.70$1.7MForm 4
McDevitt Damiendirector, officer: See RemarksOct 29, 2026OTHER387,063$5.74$2.2MForm 4
Fisher Douglas CarlOct 29, 2026OTHER0——Form 4
Peterson CaryndirectorOct 29, 2026OTHER27,011$3.96$107.0KForm 4
Peterson CaryndirectorOct 29, 2026OTHER10,119$7.71$78.0KForm 4
Peterson CaryndirectorOct 29, 2026OTHER19,226$5.74$110.4KForm 4
Meeter DalenChief Financial OfficerOct 29, 2026OTHER101,193$8.70$880.4KForm 4
Meeter DalenChief Financial OfficerOct 29, 2026OTHER88,543$5.74$508.2KForm 4
Raineri KimChief Technology OfficerOct 29, 2026OTHER70,835$7.71$546.1KForm 4
Raineri KimChief Technology OfficerOct 29, 2026OTHER30,357$7.42$225.2KForm 4
Raineri KimChief Technology OfficerOct 29, 2026OTHER80,954$5.74$464.7KForm 4
Johnson-Pratt LisaChief Commercial OfficerOct 29, 2026OTHER40,477$7.42$300.3KForm 4
Johnson-Pratt LisaChief Commercial OfficerOct 29, 2026OTHER40,477$8.70$352.1KForm 4
Johnson-Pratt LisaChief Commercial OfficerOct 29, 2026OTHER65,775$5.74$377.5KForm 4
Perettie Cynthia DorothyOct 29, 2026OTHER0——Form 4
Green Redgie Tdirector: Mar 16, 2007OTHER0——Form 4
WHITING WESLEY Fdirector, officer: SecretaryMar 16, 2007OTHER0——Form 4