Azoulay Salomon's Form 4 filing
MBX Biosciences, Inc. (MBX) · filed May 11, 2026
- Accession no.
- 0001193125-26-216704
- Filed
- May 11, 2026
- Trade date
- May 8, 2026
- Filing delay
- 3 days
- Rule 10b5-1 plan
- Checked
This filing lists 4 non-derivative transactions and 2 derivative transactions. Open-market sales total $2.69M. It was filed 3 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Azoulay SalomonCIK 0002030246 | Officer (Chief Medical Officer) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| May 8, 2026 | Common Stock | MOption exerciseAcquired | +55,000 | $10.46 | +$575,300 | 69,769 | Direct | |
| May 8, 2026 | Common Stock | SSaleDisposed | −55,000 | $38.38F2 | −$2,110,900 | 14,769 | Direct | |
| May 8, 2026 | Common Stock | MOption exerciseAcquired | +15,003 | $16.00 | +$240,048 | 29,772 | Direct | |
| May 8, 2026 | Common Stock | SSaleDisposed | −15,003 | $38.30F3 | −$574,614.9 | 14,769 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| May 8, 2026 | Common Stock | MOption exerciseAcquired | +55,000 | $0.00 | $0 | 194,540 | Direct | |
| May 8, 2026 | Common Stock | MOption exerciseAcquired | +15,003 | $0.00 | $0 | 30,008 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $35.00 to $41.26, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
Referenced by the price of 1 transaction in Table I.
- F3
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $35.00 to $41.26, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
Referenced by the price of 1 transaction in Table I.