SEC Form 4 · accession 0000899243-18-005710
Calithera Biosciences, Inc. · CALA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Stephanie Wong
Officer — SR VP, FINANCE AND SECRETARY
Period of report
Feb 23, 2018
Accepted (ET)
Feb 27, 2018 · 7:26 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001496671
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Feb 23, 2018 | M | 10,000 | $2.64 | A | 15,000 | D | |
| Common StockF2 | holding | — | — | — | 10,550 | I | By Trust |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Stock Option (Right to Buy)F3 | $2.64 | Feb 23, 2018 | M | 10,000 | D | — | Apr 14, 2024 | Common Stock | 10,000 | 21,596 | D |
Explanation of responses
- F1Includes 2,500 shares acquired under the Company's 2014 Employee Stock Purchase Plan on December 8, 2017.
- F2Shares were held by the Wong Family Trust, of which the reporting person is a trustee.
- F3One-forty-eighth (1/48th) of the Option vests in equal monthly installments one month after April 1, 2014. The Option shall be subject to accelerated vesting as set forth in the optionee's employment agreement with the Company.