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Filing Details

Accession Number:: 0000899243-20-030060
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2020-10-30 21:54:12
Reporting Period:: 2020-10-30

Accepted Time:: 2020-10-30 21:54:12
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, Ep Taylor Drive Lyford Cay New Providence C5 N7776	No	No	Yes	No
1266427	M Ivan Lieberburg	12860 El Camino Real, Suite 300 San Diego CA 92130	No	No	Yes	No
1465835	Christopher Fuglesang	12860 El Camino Real, Suite 300 San Diego CA 92130	No	No	Yes	No
1465836	Boxer Asset Management Inc.	C/O Cay House, Ep Taylor Drive N7776 Lyford Cay New Providence C5	No	No	Yes	No
1465837	Boxer Capital, Llc	12860 El Camino Real, Suite 300 San Diego CA 92130	No	No	Yes	No
1465914	I. Aaron Davis	12860 El Camino Real, Suite 300 San Diego CA 92130	Yes	No	Yes	No
1468223	Mva Investors, Llc	11682 El Camino Real, Suite 320 San Diego CA 92130	No	No	Yes	No
1663609	Bharatha Shehan Dissanayake	12860 El Camino Real, Suite 300 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
Common Stock	Disposition	2020-10-30	37,050	$202.00	216,288	No	4	S	Direct
Common Stock	Acquisiton	2020-10-30	37,051	$0.00	253,339	No	4	M	Direct
Common Stock	Disposition	2020-10-30	1	$219.97	253,338	No	4	F	Direct
Common Stock	Disposition	2020-10-30	362,950	$202.00	1,404,610	No	4	S	Direct
Common Stock	Acquisiton	2020-10-30	362,952	$0.00	1,765,562	No	4	M	Direct
Common Stock	Disposition	2020-10-30	2	$219.97	1,765,560	No	4	F	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	M	Direct
No	4	F	Direct
No	4	S	Direct
No	4	M	Direct
No	4	F	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)	Disposition	2020-10-30	362,952	$5.60	362,952	$0.00
Common Stock	Warrant (right to purchase)	Disposition	2020-10-30	37,051	$5.60	37,051	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
128,805	2017-01-06		No	4	M	Direct
13,996	2017-01-06		No	4	M	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, LLC ("Boxer Capital") (iii) Boxer Asset Management Inc. ("Boxer Management"), (iv) MVA Investors, LLC ("MVA Investors"), (v) Lockend Five, LLC ("Lockend Five"), (vi) Joe Lewis, (vii) Ivan M. Lieberburg, (viii) Aaron I. Davis, (ix) Shehan B. Dissanayake, and (x) Christopher Fuglesang (collectively, the "Boxer Group), and indirectly by Braslyn, Boxer Management and Messrs. Lewis, Fuglesang, Lieberburg, Dissanayake and Davis, by virtue of their ownership in Boxer Capital.. Each of Messrs. Fuglesang, Lieberburg, Dissanayake and Davis is a member of Boxer Capital.
(Continued from Footnote 1) Each of Messrs. Fuglesang, 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 by MVA Investors which may be deemed to be a member of the Boxer Group for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended. Aaron I. Davis is a member of and has voting and dispositive power over securities held by MVA Investors Each member of the Boxer Group other than MVA Investors and Aaron I. Davis disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.
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.