Morris Arlene's Form 4 filing
Cogent Biosciences, Inc. (COGT) · filed Aug 31, 2026
- Accession no.
- 0001193125-26-377001
- Filed
- Aug 31, 2026, 5:01 PM ET
- Trade date
- Aug 27, 2026
- Filing delay
- 4 days
- Rule 10b5-1 plan
- Checked
This filing lists 4 non-derivative transactions and 2 derivative transactions. Open-market sales total $1.69M. It was filed 4 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 |
|---|---|
| Morris ArleneCIK 0001362520 | Director |
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 |
|---|---|---|---|---|---|---|---|---|
| Aug 27, 2026 | Common Stock | MOption exerciseAcquired | +41,927 | $5.64 | +$236,468.28 | 41,927 | Direct | |
| Aug 27, 2026 | Common Stock | MOption exerciseAcquired | +3,583 | $2.52 | +$9,029.16 | 45,510 | Direct | |
| Aug 27, 2026 | Common Stock | SSaleDisposed | −42,349 | $37.09F2 | −$1,570,830.28 | 3,161 | Direct | |
| Aug 27, 2026 | Common Stock | SSaleDisposed | −3,161 | $37.54F3 | −$118,662.68 | 0 | 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 |
|---|---|---|---|---|---|---|---|---|
| Aug 27, 2026 | Common Stock | MOption exerciseDisposed | −41,927 | $0.00 | $0 | 2,773 | Direct | |
| Aug 27, 2026 | Common Stock | MOption exerciseDisposed | −3,583 | $0.00 | $0 | 0 | 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 represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $36.46 to $37.45. Upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F3
The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $37.46 to $37.65. Upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.