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Filing Details

Accession Number:: 0000899243-17-000987
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2017-01-10 17:00:18
Reporting Period:: 2017-01-06

Filing Date:: 2017-01-10
Accepted Time:: 2017-01-10 17:00:18
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1576263	Mirati Therapeutics Inc.	MRTX	()	1231

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1015747	Joseph Lewis	C/O Cay House P.o. Box N-7776 E.p. Taylor Drive Lyford Cay New Providence C5	No	No	Yes	No
1266427	M Ivan Lieberburg	11682 El Camino Real, Suite 320 San Diego CA 92130	No	No	Yes	No
1465834	Neil Reisman	11682 El Camino Real, Suite 320 San Diego CA 92130	No	No	Yes	No
1465835	Christopher Fuglesang	11682 El Camino Real, Suite 320 San Diego CA 92130	No	No	Yes	No
1465836	Boxer Asset Management Inc.	C/O Cay House P.o. Box N-7776 E.p. Taylor Drive Lyford Cay New Providence C5	No	No	Yes	No
1465837	Boxer Capital, Llc	11682 El Camino Real, Suite 320 San Diego CA 92130	No	No	Yes	No
1465914	I. Aaron Davis	11682 El Camino Real, Suite 320 San Diego CA 92130	No	No	Yes	No
1468223	Mva Investors, Llc	11682 El Camino Real, Suite 320 San Diego CA 92130	No	No	Yes	No
1579826	W Rodney Lappe	4660 La Jolla Village Drive, Suite 500 San Diego CA 92121	No	No	Yes	No
1663609	Bharatha Shehan Dissanayake	11682 El Camino Real, Suite 320 San Diego CA 92130	No	No	Yes	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2017-01-06	280,059	$5.60	1,037,994	No	4	P	Direct
Common Stock	Acquisiton	2017-01-06	6,104	$5.60	435,444	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Direct
No	4	P	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Warrant (right to purchase)	Acquisiton	2017-01-06	2,341,786	$5.60	2,341,786	$0.00
Common Stock	Warrant (right to purchase)	Acquisiton	2017-01-06	51,047	$5.60	51,047	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
2,341,786	2017-01-06		No	4	P	Direct
51,047	2017-01-06		No	4	P	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership
Common Stock	30,518	Direct
Common Stock	13,131	Direct
Common Stock	37,241	Direct
Common Stock	77,038	Direct
Common Stock	87,052	Direct

Footnotes

These securities are owned directly by Boxer Capital, LLC ("Boxer Capital"), which may be deemed to be a member of a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, consisting of (i) Braslyn Ltd. ("Braslyn"), (ii) Boxer Capital, (iii) Boxer Asset Management Inc. ("Boxer Management"), (v) MVA Investors, LLC ("MVA Investors"), (vi) Joe Lewis, (vii) Rodney W. Lappe, (viii) Ivan M. Lieberburg, (ix) Aaron I. Davis, (x) Neil Reisman, (xi) Shehan B. Dissanayake, and (xii) Christopher Fuglesang (collectively, the "Boxer Group), and indirectly by Boxer Management and Messrs.
(Continued from Footnote 1) Lewis, Fuglesang, Reisman, Lieberburg, Dissanayake and Davis, by virtue of their ownership in Boxer Capital. Each of Messrs. Fuglesang, Reisman, Lieberburg, Dissanayake and Davis is a member of Boxer Capital. Each member of the Boxer Group other than Boxer Capital disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.
These securities are owned directly and solely by MVA Investors, which has sole voting and dispositive power with respect to these securities. Each of Messrs. Fuglesang, Reisman, Lieberburg, Dissanayake and Davis is a member of MVA Investors. Each member of the Boxer Group other than MVA Investors disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.
These securities are owned directly by Christopher Fuglesang, who may be deemed to be a member of the Boxer Group, and includes 11,436 shares received in connection with the pro rata distribution by Boxer Capital to its members on March 16, 2016 (the "Boxer Capital Pro Rata Distribution").
These securities are owned directly by Neil Reisman, who may be deemed to be a member of the Boxer Group, and includes 4,921 shares received in connection with the Boxer Capital Pro Rata Distribution.
These securities are owned directly by Ivan M. Lieberburg, who may be deemed to be a member of the Boxer Group, and includes 34,981 shares received in connection with the Boxer Capital Pro Rata Distribution.
These securities are owned directly by Shehan B. Dissanayake, who may be deemed to be a member of the Boxer Group, and includes 28,869 shares received in connection with the Boxer Capital Pro Rata Distribution.
These securities are owned directly by Aaron I. Davis, who may be deemed to be a member of the Boxer Group, and includes 32,622 shares received in connection with the Boxer Capital Pro Rata Distribution.
The warrants do not have an expiration date and are not exercisable to the extent that, following exercise of such warrants, the warrant holder and its affiliates would beneficially own more than 19.99% of the issuer's common stock.