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CIK 0002124080 · <br>Emerging growth company

Aspen Neuroscience, Inc.

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Ticker
ASPE
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
other
EIN
831312969
Phone
858.263.1222
Business address
10835 ROAD TO THE CURE, SUITE 100, SAN DIEGO, CA, 92121
Open-market buys, last 90 days
$67,999,995
in 4 filings
Open-market sales, last 90 days
$0
in 0 filings

Net +$67,999,995. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. ARCH Venture Fund X, L.P. +$20.0M 10% owner 1 filing
  2. ARCH Venture Partners XIV, L.P. +$18.0M 10% owner 1 filing
  3. ORBIMED ADVISORS LLC +$15.0M Director 1 filing
  4. Thompson Peter A. +$15.0M Director 1 filing
Date Insider Transaction Shares Price Value Owned after
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Purchase +66,666 $15.00 $1000K 66,666
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion +187,182 253,848
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion +298,258 552,106
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion +286,304 838,410
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion +295,490 1,133,900
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion +259,948 1,393,848
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Purchase +66,667 $15.00 $1.0M 66,667
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion +298,258 364,925
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion +286,304 651,229
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion +295,490 946,719
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion +214,355 1,161,074
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Purchase +1,200,000 $15.00 $18.0M 1,200,000
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion · Series Seed Convertible Preferred Stock −187,182 0
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion · Series A-1 Convertible Preferred Stock −298,258 0
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion · Series A-1 Convertible Preferred Stock −298,258 0
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion · Series A-2 Convertible Preferred Stock −286,304 0
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion · Series A-2 Convertible Preferred Stock −286,304 0
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion · Series B Convertible Preferred Stock −295,490 0
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion · Series B Convertible Preferred Stock −295,490 0
2026-11-02 ARCH Venture Fund X, L.P. 10% owner Conversion · Series C Convertible Preferred Stock −259,948 0

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