InterDigital, Inc. — Director's Dealing 2010

Oct 5, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: InterDigital, Inc. (IDCC)
CIK: 0001405495
Period of Report: 2010-10-01

Reporting Person: LEMMO MARK A (Exec. VP, Corp. Development)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-10-01	Common Stock	M	14000	$9.60	Acquired	91125	Direct
2010-10-01	Common Stock	S	14000	$30.00	Disposed	77125	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-10-01	Options (Right-to-Buy)	$9.60	M	14000	Disposed	2011-12-20	Common Stock (25000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3393	Indirect

Footnotes

F1: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2: As of the most recently published account statement, the reporting person beneficially owned this number of whole shares of common stock pursuant to the InterDigital Savings and Protection Plan.

F3: A grant of 25,000 options which vested every six months, first in two installments of 4,166 and second in four installments of 4,167, beginning on the date specified.