Form 4 for CCCC C4 Therapeutics, Inc.
Accepted 2026-02-18 00:00:00 ET · period of report 2026-02-13 · accession 0001470831-26-000174 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-18 | 2026-02-14 | CCCC | Mossler Mark | CAO | M - OptEx | $0.00 | +9,420 | 75.2K | +14% | $0 | |
| 2026-02-18 | 2026-02-13 | CCCC | Mossler Mark | CAO | A - Grant | $0.00 | +57.0K | 75.2K | +313% | $0 | |
| 2026-02-18 | 2026-02-14 | CCCC | Mossler Mark | CAO | F - Tax | $1.89 | -3,268 | 71.9K | -4% | -$6,177 |
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 | 2026-02-14 | M | A | 9,420 | $0.00 | 75,184 | D | — | — | |
| 2 | Common | Common Stock | 2026-02-13 | A | A | 56,980 | $0.00 | 75,184 | D | — | — | (F1) Represents restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Common Stock upon vesting and settlement. The RSUs shall vest as follows: (i) 28,490 RSUs shall vest in three equal annual installments following the grant date, with the first installment vesting on February 13, 2027, and (ii) 28,490 RSUs shall vest in full on February 13, 2029, subject to potential acceleration upon achievement of certain performance milestones. |
| 3 | Common | Common Stock | 2026-02-14 | F | D | 3,268 | $1.89 | 71,916 | D | — | — |