FHMLS X, L.P.
- SEC CIK
- 0001790880
No open-market purchases or sales filed in the past year.
Current role at each company
- MBX MBX Biosciences, Inc.10% Owneras of Sep 30, 2025
- HLVX HilleVax, Inc.10% Owneras of Sep 17, 2025
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
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists FHMLS X, 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.
MBX MBX Biosciences, Inc.
10% Owner2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 (view filing)4:59 PM ET | Sep 26 | 4 days | Heron Patrick J and 4 othersDirector, 10% Owner | PPurchase | +666.7K | $18.00 | +$12.0M | +14.6%5.22M after | |
| Sep 17, 2024 (view filing)8:11 PM ET | Sep 16 | 1 day | Topper James N and 3 others10% Owner | PPurchase | +625.0K | $16.00 | +$10.0M | +15.9%4.55M after | Duplicate filing |
HLVX HilleVax, Inc.
10% Owner1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 3, 2022 (view filing)4:23 PM ET | May 3 | Same day | Heron Patrick J and 4 othersDirector, 10% Owner | PPurchase | +1.76M | $17.00 | +$30.0M | +26.1%8.54M after |