InterDigital (IDCC) CFO Brezski executes Rule 10b5-1 stock sales

Rhea-AI Filing Summary

InterDigital, Inc. Chief Financial Officer Richard Brezski reported multiple open-market sales of InterDigital common stock on January 5 and 6, 2026. The transactions were executed under a Rule 10b5-1 trading plan adopted on September 26, 2025, meaning the sales followed a pre-arranged schedule. Each line item reflects aggregated sales made within specific price ranges, with reported ranges running from about $309.76 to $335.34 per share across the various trades. Following these transactions, Brezski directly beneficially owned 78,372.0002 shares of InterDigital common stock and indirectly held 1,946 shares through a 401(k) plan.

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
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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).

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^*

BREZSKI RICHARD

(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 Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/05/2026

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	01/05/2026		S(1)		524	D	$325.72(2)	89,831.0002	D
Common Stock	01/05/2026		S(1)		650	D	$326.89(3)	89,181.0002	D
Common Stock	01/05/2026		S(1)		232	D	$327.94(4)	88,949.0002	D
Common Stock	01/05/2026		S(1)		346	D	$329.01(5)	88,603.0002	D
Common Stock	01/05/2026		S(1)		292	D	$300.91(6)	88,311.0002	D
Common Stock	01/05/2026		S(1)		1,678	D	$332.24(7)	86,633.0002	D
Common Stock	01/05/2026		S(1)		586	D	$332.95(8)	86,047.0002	D
Common Stock	01/05/2026		S(1)		2,041	D	$334.06(9)	84,006.0002	D
Common Stock	01/05/2026		S(1)		632	D	$335.1(10)	83,374.0002	D
Common Stock	01/06/2026		S(1)		176	D	$310.09(11)	83,198.0002	D
Common Stock	01/06/2026		S(1)		355	D	$311.24(12)	82,843.0002	D
Common Stock	01/06/2026		S(1)		214	D	$312.06(13)	82,629.0002	D
Common Stock	01/06/2026		S(1)		265	D	$313.93(14)	82,364.0002	D
Common Stock	01/06/2026		S(1)		120	D	$314.75(15)	82,244.0002	D
Common Stock	01/06/2026		S(1)		136	D	$317.03(16)	82,108.0002	D
Common Stock	01/06/2026		S(1)		56	D	$318.86(17)	82,052.0002	D
Common Stock	01/06/2026		S(1)		40	D	$321.69	82,012.0002	D
Common Stock	01/06/2026		S(1)		143	D	$323.96(18)	81,869.0002	D
Common Stock	01/06/2026		S(1)		1,139	D	$325.15(19)	80,730.0002	D
Common Stock	01/06/2026		S(1)		292	D	$325.86(20)	80,438.0002	D
Common Stock	01/06/2026		S(1)		728	D	$327.5(21)	79,710.0002	D
Common Stock	01/06/2026		S(1)		175	D	$328.38(22)	79,535.0002	D
Common Stock	01/06/2026		S(1)		180	D	$329.46	79,355.0002	D
Common Stock	01/06/2026		S(1)		80	D	$330.97(23)	79,275.0002	D
Common Stock	01/06/2026		S(1)		320	D	$332.05(24)	78,955.0002	D
Common Stock	01/06/2026		S(1)		80	D	$332.67(25)	78,875.0002	D
Common Stock	01/06/2026		S(1)		503	D	$334.08	78,372.0002	D
Common Stock								1,946(26)	I	By 401k Plan

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 transactions reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted on September 26, 2025.

2. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $325.42 to $326.27 per share. The price reported represents the weighted average price. The Reporting Person undertakes to provide to the staff of the SEC, the Issuer, or a stockholder of the Issuer, upon request, the number of shares sold by the Reporting Person at each separate price within the ranges set forth in this footnote and in footnotes 3 through 25.

3. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $326.44 to $327.40 per share. The price reported represents the weighted average price.

4. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $327.50 to $328.20 per share. The price reported represents the weighted average price.

5. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $329.00 to $329.02 per share. The price reported represents the weighted average price.

6. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $330.50 to $331.44 per share. The price reported represents the weighted average price.

7. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $331.54 to $332.52 per share. The price reported represents the weighted average price.

8. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $332.56 to $333.56 per share. The price reported represents the weighted average price.

9. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $333.66 to $334.59 per share. The price reported represents the weighted average price.

10. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $334.75 to $335.34 per share. The price reported represents the weighted average price.

11. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $309.76 to $310.60 per share. The price reported represents the weighted average price.

12. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $310.82 to $311.54 per share. The price reported represents the weighted average price.

13. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $311.85 to $312.17 per share. The price reported represents the weighted average price.

14. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $313.50 to $314.38 per share. The price reported represents the weighted average price.

15. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $314.73 to $314.80 per share. The price reported represents the weighted average price.

16. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $316.94 to $317.12 per share. The price reported represents the weighted average price.

17. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $318.41 to $319.32 per share. The price reported represents the weighted average price.

18. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $323.26 to $324.24 per share. The price reported represents the weighted average price.

19. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $324.49 to $325.53 per share. The price reported represents the weighted average price.

20. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $325.61 to $326.32 per share. The price reported represents the weighted average price.

21. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $327.23 to $327.75 per share. The price reported represents the weighted average price.

22. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $328.29 to $328.78 per share. The price reported represents the weighted average price.

23. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $330.65 to $331.29 per share. The price reported represents the weighted average price.

24. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $331.65 to $332.57 per share. The price reported represents the weighted average price.

25. The number of securities reported represents an aggregate number of shares sold in multiple open market transactions over a range of sales prices ranging from $332.76 to $332.79 per share. The price reported represents the weighted average price.

26. 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.

Remarks:

	/s/ Amy A. Miraglia, Attorney-in-Fact for Richard J. Brezski	01/07/2026
	** 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 activity did InterDigital (IDCC) disclose in this Form 4?

The filing reports that Chief Financial Officer Richard Brezski sold InterDigital common stock in multiple open-market transactions on January 5 and 6, 2026, under a pre-established Rule 10b5-1 trading plan.

Who is the insider involved in the InterDigital (IDCC) Form 4 filing?

The insider is Richard Brezski, who serves as Chief Financial Officer of InterDigital, Inc. and is the sole reporting person on this Form 4.

Were the InterDigital (IDCC) insider sales made under a Rule 10b5-1 plan?

Yes. A footnote states that the transactions reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted on September 26, 2025.

Over what price ranges were the InterDigital (IDCC) shares sold by the CFO?

The sales were reported as aggregates of multiple trades within price ranges, including examples from about $309.76 to $310.60 per share and up to about $334.75 to $335.34 per share, with weighted average prices reported for each line.

How many InterDigital (IDCC) shares does the CFO hold after these transactions?

After the reported transactions, Richard Brezski beneficially owned 78,372.0002 shares of InterDigital common stock directly and 1,946 shares indirectly through a 401(k) plan.

What type of security is involved in the InterDigital (IDCC) Form 4 transactions?

All reported transactions involve InterDigital common stock as non-derivative securities sold in the open market.