Planned stock sale by InterDigital (IDCC) director totals 325 shares

Rhea-AI Filing Summary

InterDigital, Inc. director Joan H. Gillman executed an open-market sale of 325 shares of common stock on February 11, 2026 at a price of $352.24 per share.

After this transaction, she directly beneficially owned 22,035.9017 InterDigital shares. The sale was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on November 12, 2025, designed to systematically sell shares over time.

Insider Trade Summary

Net Seller: 325 shares ($114,478)

Net Sell 1 txn

Insider Gillman Joan H

Role Director

Sold 325 shs ($114K)

Type	Security	Shares	Price	Value
Sale	Common Stock	325	$352.24	$114K

Holdings After Transaction: Common Stock — 22,035.902 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Gillman Joan H

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/11/2026

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	02/11/2026		S(1)		325	D	$352.24	22,035.9017	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 November 12, 2025.

Remarks:

	/s/ Ariel E. Greenstein, Attorney-in-Fact for Joan H. Gillman	02/12/2026
	** 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 insider trade did InterDigital (IDCC) director Joan H. Gillman make?

Joan H. Gillman sold 325 shares of InterDigital common stock. The sale occurred on February 11, 2026 at a price of $352.24 per share, and was executed as an open-market transaction under a pre-arranged Rule 10b5-1 trading plan.

How many InterDigital (IDCC) shares does Joan H. Gillman hold after this sale?

After the February 11, 2026 transaction, Joan H. Gillman beneficially owned 22,035.9017 InterDigital common shares directly. This figure reflects her remaining stake following the 325-share open-market sale disclosed in the insider trading report.

At what price were Joan H. Gillman’s InterDigital (IDCC) shares sold?

The 325 InterDigital shares were sold at $352.24 per share. This price reflects the execution level for the open-market transaction reported for February 11, 2026, under her Rule 10b5-1 trading plan.

Was the InterDigital (IDCC) insider sale by Joan H. Gillman pre-planned?

Yes. The sale was conducted under a Rule 10b5-1 trading plan adopted on November 12, 2025. Such plans allow insiders to schedule trades in advance, helping separate routine portfolio decisions from day-to-day market or company developments.

What type of transaction code applies to Joan H. Gillman’s InterDigital (IDCC) trade?

The transaction used code "S," indicating a sale in the open market or a private transaction. This code confirms that the 325 InterDigital common shares were disposed of rather than acquired in the reported February 11, 2026 trade.

Is Joan H. Gillman a 10% owner of InterDigital (IDCC)?

No. She is identified as a director of InterDigital, Inc. and not as a 10% owner. The insider report specifies her relationship to the issuer solely in her capacity as a board member, without indicating significant ownership status.