Filing Details

Accession Number:
0001144204-13-057241
Form Type:
4
Zero Holdings:
No
Publication Time:
2013-10-28 21:15:58
Reporting Period:
2013-10-24
Filing Date:
2013-10-28
Accepted Time:
2013-10-28 20:15:58
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1576263 Mirati Therapeutics Inc. MRTX Pharmaceutical Preparations (2834) 462693615
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1087939 Julian Baker 667 Madison Avenue, 21St Floor
New York NY US 10065
No No Yes No
1087940 Felix Baker 667 Madison Avenue, 21St Floor
New York NY US 10065
No No Yes No
1263508 Baker Bros. Advisors Lp 667 Madison Avenue, 21St Floor
New York NY US 10065
No No Yes No
1580575 Baker Bros. Advisors (Gp) Llc 667 Madision Avenue 21St Floor
New York NY US 10065
No No Yes No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2013-10-24 44,314 $17.50 125,869 No 4 P Indirect See Footnote
Common Stock Acquisiton 2013-10-24 346,965 $17.50 2,213,897 No 4 P Indirect See Footnote
Common Stock Acquisiton 2013-10-24 8,721 $17.50 40,308 No 4 P Indirect See Footnote
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 P Indirect See Footnote
No 4 P Indirect See Footnote
No 4 P Indirect See Footnote
Footnotes
  1. On October 24, 2013, Baker Brothers Life Sciences, L.P. ("Life Sciences"), 667, L.P. ("667") and 14159, L.P. ("14159", and together with 667 and Life Sciences, the "Funds") purchased 346,965, 44,314 and 8,721 shares of the Issuer's Common Stock, respectively, pursuant to an underwritten public offering.
  2. After giving effect to the transaction reported herein, and as a result of their ownership interest in Baker Biotech Capital (GP), LLC, Julian C. Baker and Felix J. Baker may be deemed to have an indirect pecuniary interest in the Issuer's shares of Common Stock reported in column 5 of Table I directly held by 667, a limited partnership of which the sole general partner is Baker Biotech Capital, L.P., a limited partnership of which the sole general partner is Baker Biotech Capital (GP), LLC, due to Baker Biotech Capital, L.P.'s right to receive an allocation of a portion of the profits from 667.
  3. After giving effect to the transaction reported herein, and as a result of their ownership interest in Baker Brothers Life Sciences Capital (GP), LLC, Julian C. Baker and Felix J. Baker may be deemed to have an indirect pecuniary interest in the Issuer's shares of Common Stock reported in column 5 of Table I directly held by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.
  4. After giving effect to the transaction reported herein, and as a result of their ownership interest in 14159 Capital (GP), LLC, Julian C. Baker and Felix J. Baker may be deemed to have an indirect pecuniary interest in the Issuer's shares of Common Stock reported in Column 5 of Table I directly held by 14159, a limited partnership of which the sole general partner is 14159 Capital, L.P., a limited partnership of which the sole general partner is 14159 Capital (GP), LLC, due to 14159 Capital, L.P.'s right to receive an allocation of a portion of the profits from 14159.
  5. The aggregate indirect beneficial ownership reported on this form is 2,380,074 shares.
  6. Baker Bros. Advisors LP (the "Adviser") serves as the Investment Adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are principals of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds. Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.