SEC FORM 4

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^*

Feld Peter A

(Last)

(First)

(Middle)

C/O TESSERA TECHNOLOGIES, INC.

3025 ORCHARD PARKWAY

(Street)

SAN JOSE

95134

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
TESSERA TECHNOLOGIES INC [ TSRA ]

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)
02/18/2015

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock								22,013	D
Common Stock	02/18/2015		S		48,414	D	$39.7365	2,024,270	I	Starboard V&O MF⁽¹⁾
Common Stock	02/18/2015		S		17,190	D	$39.7365	718,777	I	Managed Account⁽²⁾
Common Stock	02/18/2015		S		10,961	D	$39.7365	458,311	I	Starboard V&O SLLC⁽³⁾
Common Stock	02/18/2015		S		3,435	D	$39.7365	143,642	I	Starboard V&O CLP⁽⁴⁾
Common Stock	02/19/2015		S		42,361	D	$39.6796	1,981,909	I	Starboard V&O MF⁽¹⁾
Common Stock	02/19/2015		S		15,042	D	$39.6796	703,735	I	Managed Account⁽²⁾
Common Stock	02/19/2015		S		9,591	D	$39.6796	448,720	I	Starboard V&O SLLC⁽³⁾
Common Stock	02/19/2015		S		3,006	D	$39.6796	140,636	I	Starboard V&O CLP⁽⁴⁾
Common Stock	02/20/2015		S		60,517	D	$39.8656	1,921,392	I	Starboard V&O MF⁽¹⁾
Common Stock	02/20/2015		S		21,488	D	$39.8656	682,247	I	Managed Account⁽²⁾
Common Stock	02/20/2015		S		13,701	D	$39.8656	435,019	I	Starboard V&O SLLC⁽³⁾
Common Stock	02/20/2015		S		4,294	D	$39.8656	136,342	I	Starboard V&O CLP⁽⁴⁾

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Shares owned directly by Starboard Value and Opportunity Master Fund Ltd ("Starboard V&O MF"). The Reporting Person, solely by virtue of his position as a member of the Management Committee of Starboard Value GP LLC ("Starboard Value GP"), the general partner of the investment manager of Starboard V&O MF, and as a member and member of the Management Committee of Starboard Principal Co GP LLC, the general partner of the member of Starboard Value GP, may be deemed to beneficially own the shares owned directly by Starboard V&O MF for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

2. Shares held in an account (the "Managed Account") managed by Starboard Value LP. The Reporting Person, solely by virtue of his position as a member of the Management Committee of Starboard Value GP, the general partner of Starboard Value LP, and as a member and member of the Management Committee of Starboard Principal Co GP LLC, the general partner of the member of Starboard Value GP, may be deemed to beneficially own the shares held in the Managed Account for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

3. Shares owned directly by Starboard Value and Opportunity S LLC ("Starboard V&O SLLC"). The Reporting Person, solely by virtue of his position as a member of the Management Committee of Starboard Value GP, the general partner of the manager of Starboard V&O SLLC, and as a member and member of the Management Committee of Starboard Principal Co GP LLC, the general partner of the member of Starboard Value GP, may be deemed to beneficially own the shares owned directly by Starboard V&O SLLC for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

4. Shares owned directly by Starboard Value and Opportunity C LP ("Starboard V&O CLP"). The Reporting Person, solely by virtue of his position as a member of the Management Committee of Starboard Value GP, the general partner of the investment manager of Starboard V&O CLP, and as a member and member of the Management Committee of Starboard Principal Co GP LLC, the general partner of the member of Starboard Value GP, may be deemed to beneficially own the shares owned directly by Starboard V&O CLP for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

	/s/ Peter A. Feld	02/20/2015
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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