Form 4 for RYTM RHYTHM PHARMACEUTICALS, INC.
Accepted 2026-04-03 17:36:14 ET · period of report 2026-04-01 · accession 0001104659-26-039687 · 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 | 2026-04-03 17:36 | 2026-04-01 | RYTM | Mazabraud Yann | EVP, Head of International | M - OptEx | — | +12.9K | 66.0K | +24% | — |
| DM | 2026-04-03 17:36 | 2026-04-01 | RYTM | Mazabraud Yann | EVP, Head of International | M - OptEx | $0.00 | -12.9K | 5,000 | -72% | $0 |
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 | 2026-04-01 | M | A | 12,875 | — | 66,030 | D | — | — | (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. |
| 2 | Derivative | Restricted Stock Units | 2026-04-01 | M | D | 10,375 | $0.00 | 10,375 | D | — · — to — | 10,375 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. (F2) The restricted stock units vest or have vested as to 25% of the total shares on each of April 14, 2024, April 14, 2025, April 1, 2026 and April 1, 2027. The restricted stock units have no expiration date. (F2) The restricted stock units vest or have vested as to 25% of the total shares on each of April 14, 2024, April 14, 2025, April 1, 2026 and April 1, 2027. The restricted stock units have no expiration date. |
| 3 | Derivative | Restricted Stock Units | 2026-04-01 | M | D | 2,500 | $0.00 | 5,000 | D | — · — to — | 2,500 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. (F3) The restricted stock units vest or have vested as to 25% of the total shares on each of April 15, 2025, April 1, 2026, April 1, 2027 and April 1, 2028. The restricted stock units have no expiration date. (F3) The restricted stock units vest or have vested as to 25% of the total shares on each of April 15, 2025, April 1, 2026, April 1, 2027 and April 1, 2028. The restricted stock units have no expiration date. |