SEC Form 4 · accession 0001209191-15-061002

Calithera Biosciences, Inc. · CALA

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — SR. VP, DEVELOPMENT

Period of report

Jul 13, 2015

Accepted (ET)

Jul 15, 2015 · 7:49 pm EDT

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^F1	Jul 13, 2015	M	14,087	$0.96	A	16,587	D
Common Stock^F1	Jul 13, 2015	M	10,288	$2.64	A	26,875	D
Common Stock^F2	holding	—	—		—	117,962	I	By Trust
Common Stock	holding	—	—		—	78,787	I	By Spouse

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Stock Option (Right to Buy)^F3	$0.96	Jul 13, 2015	M	14,087	D	—	May 22, 2023	Common Stock	14,087	24,924	D
Stock Option (Right to Buy)^F4	$2.64	Jul 13, 2015	M	10,288	D	—	Dec 16, 2023	Common Stock	10,288	23,745	D
Stock Option (Right to Buy)^F5	$0.48	Jul 13, 2015	M	15,282	D	—	Dec 13, 2021	Common Stock	15,282	4,367	I
Stock Option (Right to Buy)^F6	$0.48	Jul 13, 2015	M	14,330	D	—	Jun 12, 2022	Common Stock	14,330	9,922	I
Stock Option (Right to Buy)^F3	$0.96	Jul 13, 2015	M	16,396	D	—	May 22, 2023	Common Stock	16,396	29,009	I
Stock Option (Right to Buy)^F4	$2.64	Jul 13, 2015	M	30,279	D	—	Dec 16, 2023	Common Stock	30,279	85,434	I

F1Includes 2,500 shares acquired under the Company's 2014 Employee Stock Purchase Plan on May 15, 2015.
F211,000 shares were transferred by spouse of Reporting Person to Molineaux Family Trust Dated Nov. 9, 2000, of which Reporting Person is a Trustee, on June 11, 2015.
F31/48 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.
F41/48 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.
F51/48 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.
F61/48 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.