ARCH Venture Fund X
10% owner at Aspen Neuroscience ASPE
Full history from EDGAR: holdings now, every transaction and Form 144 planned sales
Every trade, with what the company filed around it
Open-market buys and sales as each Form 4 states them, newest first.
How these figures work
Notes on each row are as each Form 4 states them, next to SEC Tracker's own records of the company's filings and other insiders' buys. Holding after is what the filing reports they held after the trade, with the change in their holding.
| Date | Company | Trade | Value | Holding after | Notes |
|---|---|---|---|---|---|
| Nov 2, 2026 | Aspen Neuroscience ASPE | Bought 1,333,333 sh at $15.00 Their first open-market buy here in SEC Tracker's records. The same day as the company's 8-K filed Nov 2, 2026. | $20M | Their first open-market buy here in SEC Tracker's records. The same day as the company's 8-K filed Nov 2, 2026. | |
| Nov 2, 2026 | Aspen Neuroscience ASPE | Conversion 187,182 sh The same day as the company's 8-K filed Nov 2, 2026. | 253,848 | The same day as the company's 8-K filed Nov 2, 2026. | |
| Nov 2, 2026 | Aspen Neuroscience ASPE | Conversion 298,258 sh The same day as the company's 8-K filed Nov 2, 2026. | 552,106 | The same day as the company's 8-K filed Nov 2, 2026. | |
| Nov 2, 2026 | Aspen Neuroscience ASPE | Conversion 286,304 sh The same day as the company's 8-K filed Nov 2, 2026. | 838,410 | The same day as the company's 8-K filed Nov 2, 2026. | |
| Nov 2, 2026 | Aspen Neuroscience ASPE | Conversion 295,490 sh The same day as the company's 8-K filed Nov 2, 2026. | 1,133,900 | The same day as the company's 8-K filed Nov 2, 2026. | |
| Nov 2, 2026 | Aspen Neuroscience ASPE | Conversion 259,948 sh The same day as the company's 8-K filed Nov 2, 2026. | 1,393,848 | The same day as the company's 8-K filed Nov 2, 2026. | |
| Nov 2, 2026 | Aspen Neuroscience ASPE | Conversion 298,258 sh The same day as the company's 8-K filed Nov 2, 2026. | 364,925 | The same day as the company's 8-K filed Nov 2, 2026. | |
| Nov 2, 2026 | Aspen Neuroscience ASPE | Conversion 286,304 sh The same day as the company's 8-K filed Nov 2, 2026. | 651,229 | The same day as the company's 8-K filed Nov 2, 2026. | |
| Nov 2, 2026 | Aspen Neuroscience ASPE | Conversion 295,490 sh The same day as the company's 8-K filed Nov 2, 2026. | 946,719 | The same day as the company's 8-K filed Nov 2, 2026. | |
| Nov 2, 2026 | Aspen Neuroscience ASPE | Conversion 214,355 sh The same day as the company's 8-K filed Nov 2, 2026. | 1,161,074 | The same day as the company's 8-K filed Nov 2, 2026. |
Open-market trades are Form 4 transaction codes P (purchase) and S (sale). Planned sales are those the filing marks as made under a Rule 10b5-1 plan. A P-code buy at the offering price within a day of the company's FWP, 424B prospectus or offering 8-K is marked Bought in the offering and left out of open-market buy counts and cluster buys. Prices and values are as stated in each Form 4. Stock prices aren't shown on this page. Not investment advice.