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MarketsSEC EDGAR SCHEDULE 13DFiled 29 h ago

Aspen Neuroscience, Inc.: ARCH Venture Fund X, L.P. discloses a stake of more than 5% (Schedule 13D)

Open the sourceReported by SEC EDGAR SCHEDULE 13D, sec.gov, 10 November 2026, by SEC EDGAR SCHEDULE 13D

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ARCH Venture Fund X, L.P. disclosed a stake exceeding 5% in Aspen Neuroscience, Inc. via a Schedule 13D filing with the SEC (accession 0001193125-26-454047). The filing signals active investor involvement, as Schedule 13D is reserved for holders with potential influence over company strategy. The exact share count and percentage were not specified in the headline disclosure. Investors will watch for further detail on the fund's intentions and any governance or strategic changes at the clinical-stage biotech.

Muhabbit's AI wrote this summary in its own words from SEC EDGAR SCHEDULE 13D's report. It can get details wrong, so check the source.

Named in this story

Aspen Neuroscience, Inc., ARCH Venture Fund X, L.P.