[Form 4] InterDigital, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Pankaj Rajesh, Chief Technology Officer of InterDigital, Inc. (IDCC), reported a sale of 1,000 shares of common stock on 08/20/2025 at a price of $261.03 per share. The filing states the sale was made pursuant to a Rule 10b5-1 trading plan adopted March 20, 2025, and the reporter beneficially owns 67,121.526 shares following the transaction. The Form 4 was signed by an attorney-in-fact on 08/21/2025. The filing shows the sale code as S(1) and identifies the reporting person as an officer (CTO).

Positive

• Sale executed under a Rule 10b5-1 trading plan, indicating pre-established instructions rather than an ad hoc insider trade
• Timely disclosure with Form 4 signed the day after the transaction

Negative

• Officer sold 1,000 shares at $261.03, which is a realized reduction in insider ownership
• Form shows substantial fractional remaining ownership (67,121.526 shares) but no context on percentage ownership

Insights

Securities Analyst

TL;DR: Officer sale of 1,000 shares under a 10b5-1 plan; appears procedural rather than an ad hoc insider trade.

The transaction is a single, disclosed sale of 1,000 shares at $261.03 executed under a pre-established Rule 10b5-1 plan adopted March 20, 2025. Because the trade is tied to a trading plan, it reduces the likelihood that this sale reflects new, undisclosed company-specific information. The remaining beneficial ownership is 67,121.526 shares, which maintains meaningful insider exposure. Overall, the event is routine and limited in scope.

Corporate Governance Expert

TL;DR: Disclosure follows standard governance practices; sale was properly reported and executed via an established plan.

The Form 4 shows compliance with Rule 10b5-1 procedures and timely reporting (transaction 08/20/2025, filing signed 08/21/2025). The use of an attorney-in-fact to sign is documented. There is no indication in the filing of amendments or additional related-party transactions. From a governance perspective, the filing meets disclosure expectations for an officer-level insider sale.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Pankaj Rajesh

(Last) (First) (Middle)

200 BELLEVUE PARKWAY

SUITE 300

(Street)

WILMINGTON DE 19809

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
InterDigital, Inc. [ IDCC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Technology Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/20/2025

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	08/20/2025		S(1)		1,000	D	$261.03	67,121.526	D

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

Explanation of Responses:

1. The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted on March 20, 2025.

Remarks:

	/s/ Ariel E. Greenstein, Attorney-in-Fact for Rajesh Pankaj	08/21/2025
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did IDCC insider Pankaj Rajesh disclose on the Form 4?

He reported selling 1,000 shares of InterDigital common stock on 08/20/2025 at $261.03 per share, executed under a 10b5-1 plan.

Was the sale by Pankaj Rajesh part of a 10b5-1 trading plan?

Yes. The Form 4 states the sales were made pursuant to a Rule 10b5-1 trading plan adopted March 20, 2025.

How many shares does Rajesh beneficially own after the reported transaction?

67,121.526 shares of InterDigital common stock are reported as beneficially owned following the sale.

When was the Form 4 filed and who signed it?

The Form 4 reflects the transaction date 08/20/2025 and bears a signature by Ariel E. Greenstein, Attorney-in-Fact for Rajesh Pankaj, dated 08/21/2025.

What price was received for the sold shares?

$261.03 per share for the 1,000 shares sold on 08/20/2025.