ARCH Venture Fund X Overage, L.P.
- SEC CIK
- 0001757017
In the past year, 1 open-market sale filing worth $39.8K and no purchases.
Current role at each company
- BOLD Boundless Bio, Inc.10% Owneras of Jul 6, 2026
- NMRA Neumora Therapeutics, Inc.10% Owneras of Oct 29, 2025
- PRME Prime Medicine, Inc.10% Owneras of Aug 1, 2025
- SANA Sana Biotechnology, Inc.10% Owneras of Feb 12, 2024
- ERAS Erasca, Inc.10% Owneras of Jul 20, 2021
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $39.8K
- 1 filing
- Net
- −$39.8K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists ARCH Venture Fund X Overage, L.P. as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
BOLD Boundless Bio, Inc.
10% Owner2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 6, 2026 (view filing)5:43 PM ET | Jul 1 | 5 days | ARCH Venture Fund IX, L.P. and 7 others10% Owner | SSale | −16.0K | $2.49 | −$39.8K | −100.0%0 after | |
| Apr 4, 2024 (view filing)4:30 PM ET | Apr 2 | 2 days | ARCH Venture Fund IX, L.P. and 7 others10% Owner | PPurchase | +200.0K | $16.00 | +$3.20M | +20.4%1.18M after | 2 lotsDuplicate filing |
NMRA Neumora Therapeutics, Inc.
10% Owner2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 29, 2025 (view filing)7:19 PM ET | Oct 27 | 2 days | ARCH Venture Fund VII, L.P. and 9 others10% Owner | PPurchase | +1.92M | $2.61 | +$5.00M | +46.4%6.05M after | Duplicate filing |
| Sep 20, 2023 (view filing)6:15 AM ET | Sep 19 | 1 day | ARCH Venture Fund VII, L.P. and 9 others10% Owner | PPurchase | +1.50M | $17.00 | +$25.5M | +70.6%3.62M after | Duplicate filing |
PRME Prime Medicine, Inc.
10% Owner3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 (view filing)7:18 PM ET | Aug 1 | Same day | Crandell Keith and 7 others10% Owner | PPurchase | +3.03M | $3.30 | +$10.0M | +94.7%6.23M after | Duplicate filing |
| Feb 20, 2024 (view filing)5:37 PM ET | Feb 15 | 5 days | Crandell Keith and 7 others10% Owner | PPurchase | +3.20M | $6.25 | +$20.0M | New position3.20M after | Duplicate filing |
| Oct 26, 2022 (view filing)8:01 PM ET | Oct 24 | 2 days | Crandell Keith and 7 others10% Owner | PPurchase | +800.0K | $17.00 | +$13.6M | +15.0%6.13M after | 2 lotsDuplicate filing |
SANA Sana Biotechnology, Inc.
10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Feb 12, 2024 (view filing)5:43 PM ET | Feb 8 | 4 days | ARCH Venture Fund IX, L.P. and 9 others10% Owner | PPurchase | +1.82M | $5.50 | +$10.0M | +17.1%12.4M after | 3 lotsDuplicate filing |