Company: IDCC
Filing Date: 2025-06-18
Form Type: 11-K
Source: 0001405495-25-000034
Chunk: 17

Company: InterDigital, Inc.
Filing Date: 2025-06-18
Form: 11-K
Chunk 17
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     | Registered investment companies                              |     |               |      52,466 |
| Vanguard Target Retirement Income Investment Fund    |     | Registered investment companies                              |     |               |   1,408,167 |
| Vanguard Total Bond Market Index Admiral Fund        |     | Registered investment companies                              |     |               |   2,245,722 |
|                                                      |     | Registered Investment Companies Total                        |     |               | 123,559,942 |
| Stable Pooled Fund*                                  |     | Investments in common trusts                                 |     |               |   7,685,383 |
| InterDigital Stock Fund*                             |     | Employer Stock Fund                                          |     |               |   6,387,369 |
| Personal Choice Retirement Account                   |     | Self-directed brokerage account                              |     |               |     101,623 |
| Notes Receivable from Participants*                  |     | Notes Receivable with interest rates between 4.25% and 9.50% |     |               |     161,122 |
| Total assets held at end of year                     |     |                                                              |     | $             | 138,065,287 |

* Transaction with party-in-interest

Cost is not required for participant-directed investments.

<div align='center'>13

INTERDIGITAL

SAVINGS AND PROTECTION PLAN

EIN 23-1882087

SCHEDULE H, LINE 4(a) - SCHEDULE OF DELINQUENT PARTICIPANT CONTRIBUTIONS

DECEMBER 31, 2024</div>

|                                                                              |     | Totals that Constitute Nonexempt Prohibited Transactions 
 Contributions Not Corrected                              |   |     | Contributions Corrected outside VFCP |   |     | Contributions Pending Correction in VFCP |         |     | Total Fully Corrected Under VFCP and PTE 2002-51 |         |
|:-----------------------------------------------------------------------------|:----|:---------------------------------------------------------|:--|:----|:-------------------------------------|:--|:----|:-----------------------------------------|--------:|:----|:-------------------------------------------------|--------:|
| Participant Contributions Transferred Late to Plan for year ended 12/31/2024 |     | $                                                        | — |     | $                                    | — |     | $                                        | 247,179 |     | $                                                |       — |
| Participant Contributions Transferred Late to Plan for year ended 12/31/2023 |     | $                                                        | —