SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
DENNER ALEXANDER J

(Last) (First) (Middle)
C/O SARISSA CAPITAL MANAGEMENT LP
660 STEAMBOAT ROAD

(Street)
GREENWICH CT 06830

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
ARIAD PHARMACEUTICALS INC [ ARIA ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
08/15/2014
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/15/2014 P (1) 615,466 A $5.83 7,798,665 I Sarissa Capital Domestic Fund LP (2)
Common Stock 08/15/2014 P (1) 234,534 A $5.83 5,051,335 I Sarissa Capital Offshore Master Fund LP (2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
3.625% Convertible Notes due 2019 $9.3015 08/18/2014 P 5,340,720 12/15/2018 (3) 06/15/2019 Common Stock 574,127.4 $5,026,953 5,340,720 I Sarissa Capital Domestic Fund LP (2)
3.625% Convertible Notes due 2019 $9.3015 08/18/2014 P 3,459,280 12/15/2018 (3) 06/15/2019 Common Stock 371,872.6 $3,256,047 3,459,280 I Sarissa Capital Offshore Master Fund LP (2)
Explanation of Responses:
1. These purchases were made in accordance with the Nomination and Standstill Agreement dated 2/20/2014 between the reporting person, Sarissa Capital Management and affiliated entities, and ARIAD Pharmaceuticals, Inc.
2. The reporting person is the Chief Investment Officer of Sarissa Capital Management LP, investment manager of this fund. As such, the reporting person may be deemed to beneficially own the the securities owned by this fund. The reporting person disclaims any beneficial ownership of these securities, except to the extent of his pecuniary interest therein.
3. In addition, the notes are convertible at the option of the holders at any time prior to the close of business on the business day immediately preceding December 15, 2018 under the following circumstances: (i) during any calendar quarter commencing after the calendar quarter ending on December 31, 2014 (and only during such calendar quarter), if the last reported sale price of the Company's common stock for at least 20 trading days (whether or not consecutive) during the period of 30 consecutive trading days ending on the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the applicable conversion price on each applicable trading day; (ii) during the five business day period after any five consecutive trading day period (the "measurement period") in which the "trading price" (as defined in the indenture governing the notes) per $1,000 principal amount of notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of the Company's common stock and the applicable conversion rate on each such trading day; or (iii) upon the occurrence of certain corporate events as specified in the indenture governing the notes.
/s/ Alexander J. Denner, Ph.D. 08/19/2014
** Signature of Reporting Person Date
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* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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