InterDigital, Inc. — Director's Dealing 2010

Oct 4, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: InterDigital, Inc. (IDCC)
CIK: 0001405495
Period of Report: 2010-09-30

Reporting Person: Isaacs Gary D (Chief Admin. Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-09-30	Common Stock	M	5000	$13.19	Acquired	29644	Direct
2010-09-30	Common Stock	S	5000	$29.00	Disposed	24644	Direct
2010-10-04	Common Stock	M	5000	$9.60	Acquired	29644	Direct
2010-10-04	Common Stock	S	5000	$30.50	Disposed	24644	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-09-30	Options (Right-to-Buy)	$13.19	M	5000	Disposed	2011-01-29	Common Stock (20000)	Direct
2010-10-04	Options (Right-to-Buy)	$9.60	M	5000	Disposed	2011-12-20	Common Stock (20000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	404	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 20,000 options that vested every six months, first in four installments of 3,333 and second in two installments of 3,334, beginning on the date specified, and that are set to expire on 01/29/2011.

F4: A grant of 20,000 options that vested every six months, first in four installments of 3,333 and second in two installments of 3,334, beginning on the date specified.