AP
Insider
ARCH Venture Fund X, L.P.
10% ownerARCH Venture Fund X, L.P. (10% owner) filed 1 Form 4 report as a reporting entity in the trailing twelve months (1 purchase, 0 sales), most often in Aspen Neuroscience, Inc. (ASPE). The largest single filing was $20.0M of ASPE (1,333,333 sh across 3 lots, as filed), executed Nov 2. The median gap between execution and disclosure was 0 days. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
purchases not yet priced
Delay-adjustediThe same average, entered at disclosure dates
–
purchases not yet priced
Filings, ttm
1
1 buys · 0 sells
Median delay
0d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$20.0M
shares × price, as filed
Last traded
Nov 2
Filed Nov 2
Median ADV $17.2M across their filed names
100% of their measured filings could not be priced (delisted or unquoted names). The returns above cover only what still trades.
Open performance→Volume by month
Buys $20.0M
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
1 filing
Sector per market data · by filing · past 12 months
Most traded names
ASPERecent filings
ASPEPURCHASE
Aspen Neuroscience, Inc.
View filing →
$20.0M1,333,333 sh across 3 lots
Exec Nov 2
Filed Nov 2 · 9:50 PM ET