Form 4 for MBX MBX Biosciences, Inc.
Accepted 2024-09-17 00:00:00 ET · period of report 2024-09-16 · accession 0000950170-24-107532 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2024-09-17 | 2024-09-16 | MBX | CORNELIUS JAMES M | Dir | C - Cnv Deriv | — | +102.1K | 102.1K | New | — |
| DM | 2024-09-17 | 2024-09-16 | MBX | CORNELIUS JAMES M | Dir | C - Cnv Deriv | — | -1.23M | 0 | -100% | — |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2024-09-16 | C | A | 102,082 | — | 102,082 | D | — | — | (F1) Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock (together, the "Preferred Stock") was convertible into Common Stock on a one-for-12.0221 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 immediately prior to the closing of the Issuer's initial public offering on September 16, 2024. The Preferred Stock had no expiration date. |
| 2 | Derivative | Series B Convertible Preferred Stock | 2024-09-16 | C | D | 233,192 | — | 0 | D | — · — to — | 19,396 Common Stock | (F1) Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock (together, the "Preferred Stock") was convertible into Common Stock on a one-for-12.0221 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 immediately prior to the closing of the Issuer's initial public offering on September 16, 2024. The Preferred Stock had no expiration date. |
| 3 | Derivative | Series A Convertible Preferred Stock | 2024-09-16 | C | D | 994,069 | — | 0 | D | — · — to — | 82,686 Common Stock | (F1) Each share of Series A Convertible Preferred Stock and Series B Convertible Preferred Stock (together, the "Preferred Stock") was convertible into Common Stock on a one-for-12.0221 basis at any time at the option of the holder, and automatically converted into the number of shares shown in Column 7 immediately prior to the closing of the Issuer's initial public offering on September 16, 2024. The Preferred Stock had no expiration date. |