SEC Form 4 · accession 0001209191-15-087496
Calithera Biosciences, Inc. · CALA
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Mark K Bennett
Officer — SR. VP, RESEARCH
Period of report
Dec 29, 2015
Accepted (ET)
Dec 31, 2015 · 3:24 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 Stock | Dec 29, 2015 | M | 1,217 | $0.48 | A | 1,217 | D | |
| Common Stock | Dec 29, 2015 | M | 1,612 | $0.48 | A | 2,829 | D | |
| Common Stock | Dec 29, 2015 | M | 2,835 | $0.96 | A | 5,664 | D | |
| Common Stock | Dec 29, 2015 | M | 4,749 | $2.64 | A | 10,413 | D | |
| Common StockF1 | holding | — | — | — | 52,374 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F2 | $0.48 | Dec 29, 2015 | M | 1,217 | D | — | Dec 13, 2021 | Common Stock | 1,217 | 0 | D |
| Stock Option (Right to Buy)F3 | $0.48 | Dec 29, 2015 | M | 1,612 | D | — | Jun 12, 2022 | Common Stock | 1,612 | 807 | D |
| Stock Option (Right to Buy)F4 | $0.96 | Dec 29, 2015 | M | 2,835 | D | — | May 22, 2023 | Common Stock | 2,835 | 8,034 | D |
| Stock Option (Right to Buy)F5 | $2.64 | Dec 29, 2015 | M | 4,749 | D | — | Dec 16, 2023 | Common Stock | 4,749 | 18,998 | D |
Explanation of responses
- F1Shares are held directly by Mark K. and Grace T. Bennett 1991 Revocable Trust, of which Reporting Person is a Trustee ("Bennett Family Trust"), including the following shares transferred from the Reporting Person to Bennett Family Trust: transfers on July 21, 2015 of a total of 18,365 shares from the Reporting Person's July 8, 2015 option exercises; transfer on July 21, 2015 of 1,136 shares purchased by the Reporting Person on May 15, 2015 under the Company's 2014 Employee Stock Purchase Plan (the "ESPP"); transfer on December 14, 2015 of 1,319 shares purchased by the Reporting Person on November 13, 2015 under the ESPP.
- F21/48 of the Option vests in equal monthly installments one month from 11/07/2011. The option shall be subject to accelerated vesting as set forth in the optionee's employment agreement with the Company.
- F31/48 of the Option vests in equal monthly installments one month from 03/27/2012. The option shall be subject to accelerated vesting as set forth in the optionee's employment agreement with the Company.
- F41/48 of the Option vests in equal monthly installments one month from 05/23/2013. The option shall be subject to accelerated vesting as set forth in the optionee's employment agreement with the Company.
- F51/48 of the Option vests in equal monthly installments one month from 12/17/2013. The option shall be subject to accelerated vesting as set forth in the optionee's employment agreement with the Company.