InterDigital (IDCC) director’s Rule 10b5-1 sale covers RSU tax obligations

Rhea-AI Filing Summary

InterDigital, Inc. director John A. Kritzmacher reported an open-market sale of 365 shares of common stock at $276.64 per share. After this transaction, he directly holds 16,359 shares. The sale was executed under a pre-arranged Rule 10b5-1 trading plan to cover estimated tax obligations from vesting restricted stock units.

Insider Trade Summary 10b5-1

Net Seller: 365 shares ($100,974)

Net Sell 1 txn

Insider KRITZMACHER JOHN A

Role null

Sold 365 shs ($101K)

Type	Security	Shares	Price	Value
Sale	Common Stock	365	$276.64	$101K

Holdings After Transaction: Common Stock — 16,359 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares sold: 365 shares Sale price: $276.64 per share Shares held after sale: 16,359 shares +1 more

4 metrics

Shares sold 365 shares Open-market sale of common stock on June 12, 2026

Sale price $276.64 per share Price for the 365 shares sold

Shares held after sale 16,359 shares Direct ownership following the reported transaction

Rule 10b5-1 plan adoption date August 12, 2025 Plan used to execute the sale and cover tax obligations

Key Terms

Rule 10b5-1 trading plan, restricted stock units, open-market sale

3 terms

Rule 10b5-1 trading plan regulatory

"The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

restricted stock units financial

"estimated tax obligations in connection with the vesting of restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

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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^*

KRITZMACHER JOHN A

(Last) (First) (Middle)

200 BELLEVUE PARKWAY

SUITE 300

(Street)

WILMINGTON DELAWARE 19809

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	06/12/2026		S(1)		365	D	$276.64	16,359	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 August 12, 2025 to cover such individual's estimated tax obligations in connection with the vesting of restricted stock units.

Remarks:

	/s/ Amy A. Miraglia, Attorney-in-Fact for John A. Kritzmacher	06/16/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did InterDigital (IDCC) report for John A. Kritzmacher?

InterDigital director John A. Kritzmacher reported selling 365 shares of common stock. The shares were sold in an open-market transaction at $276.64 per share, and the trade was made under a Rule 10b5-1 plan established to handle estimated tax obligations.

How many InterDigital (IDCC) shares did John A. Kritzmacher sell and at what price?

John A. Kritzmacher sold 365 InterDigital common shares at $276.64 each. This was an open-market sale disclosed in a Form 4, with the transaction tied to a pre-arranged Rule 10b5-1 trading plan for tax-related purposes.

How many InterDigital (IDCC) shares does John A. Kritzmacher hold after this Form 4 sale?

Following the reported sale, John A. Kritzmacher directly holds 16,359 InterDigital common shares. The 365 shares sold represent a relatively small portion of this remaining position, according to the ownership information included in the Form 4 filing.

Was the InterDigital (IDCC) insider sale under a Rule 10b5-1 trading plan?

Yes, the sale was executed under a Rule 10b5-1 trading plan adopted on August 12, 2025. The footnote states the plan was designed to cover Kritzmacher’s estimated tax obligations arising from the vesting of restricted stock units.

What was the purpose of John A. Kritzmacher’s InterDigital (IDCC) share sale?

The Form 4 footnote explains the sale was made to cover estimated tax obligations. These obligations were associated with the vesting of restricted stock units, and the transaction was carried out automatically under a previously adopted Rule 10b5-1 trading plan.