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Aspen Neuroscience (ASPE): 10% owner exercised options on 187K shares

ARCH Venture Fund X, 10% owner at Aspen Neuroscience, reported an option exercise of 187K shares.

187K
Shares
Traded
Nov 2, 2026
Filed
Nov 3, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Nov 2, 2026Company filing · Form 8-K · Bylaws or charter, Other newsChanged its bylaws, charter or fiscal year, and reported other company news
  2. Nov 2, 2026Insider · 4 peopleInsiders: 6 purchases (~$68.0M)

What came next

  1. Nov 3, 20265% stakeQatar Investment Authority reported a passive stake (13G) of 6.7%
  2. Nov 6, 20265% stakeFMR LLC reported a passive stake (13G) of 11.2%
  3. Nov 6, 20265% stakeGILEAD SCIENCES, INC. reported a passive stake (13G) of 9.9%
  4. Nov 6, 20265% stakeORBIMED ADVISORS LLC filed an activist stake (13D) of 12.3%
  5. Nov 9, 20265% stakeFrazier Life Sciences X, L.P. reported a passive stake (13G) of 5.8%
  6. Nov 9, 20265% stakeARCH Venture Fund X, L.P. filed an activist stake (13D) of 12.9%
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Aspen Neuroscience

For Aspen Neuroscience, OQRO holds 6 insider filings (SEC Form 4 or Form 144) and 6 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its ASPE page.

Other recent filings by ARCH Venture Fund X, L.P., 10% owner

The full history of ARCH Venture Fund X, L.P., 10% owner is on the profile page.

How this filing works

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Other disclosures at Aspen Neuroscience

Everything OQRO holds on this company is on its ASPE page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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