IDCC · InterDigital, Inc. · Insider Trading

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

The transaction reported reflects the withholding of restricted stock units in satisfaction of the reporting person's tax liability. The restricted stock units were granted to the reporting person on September 15, 2024 pursuant to the company's 2017 Equity Incentive Plan in accordance with the company's long-term compensation program and vested on September 15, 2026, together with accrued dividend equivalents.

The transaction reported reflects the cash settlement of fractional shares in connection with the vesting of awards of performance-based restricted stock units described above.

The transaction reported reflects the cash settlement of fractional shares in connection with the vesting of restricted stock units, as described in the previous footnote.

The transaction reported reflects the withholding of restricted stock units in satisfaction of the reporting person's tax liability in connection with the vesting of awards of performance-based restricted stock units described above.

The transaction reported represents the vesting of an award of performance-based stock options granted to the reporting person on March 31, 2024 pursuant to the company's 2017 Equity Incentive Plan in accordance with the company's long-term compensation program. Based on the achievement of specified milestone goals, 200% of the reporting person's target performance-based stock options vested on September 15, 2026.

The transaction reported represents the vesting of awards of performance-based restricted stock units granted to the reporting person on March 31, 2024 pursuant to the company's 2017 Equity Incentive Plan in accordance with the company's long-term compensation program. Based on the achievement of specified milestone goals, 200% of the reporting person's target performance-based restricted stock unit awards, or 46,966 restricted stock units, vested on September 15, 2026 together with 1,103.854 additional shares representing accrued dividend equivalent units.

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

The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted on November 12, 2025.

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

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

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

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

The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted on March 11, 2026 to cover such individual's estimated tax obligations in connection with the vesting of restricted stock units.

The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted on November 4, 2025 to cover such individual's estimated tax obligations in connection with the vesting of restricted stock units.

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.

The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted on August 15, 2025 to cover such individual's estimated tax obligations in connection with the vesting of restricted stock units.

The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted on August 8, 2025 to cover such individual's estimated tax obligations in connection with the vesting of restricted stock units.

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

The transaction reported reflects the cash settlement of a fractional share in connection with the vesting of restricted stock units. The restricted stock units were granted to the reporting person on June 11, 2025 pursuant to the company's 2025 Equity Incentive Plan in accordance with the company's compensation program for non-employee directors and vested in full on June 11, 2026, together with accrued dividend equivalent units.

The transaction reported reflects the cash settlement of a fractional share in connection with the vesting of restricted stock units. The restricted stock units were granted to the reporting person on June 11, 2025 pursuant to the company's 2025 Equity Incentive Plan in accordance with the company's compensation program for non-employee directors and vested in full on June 11, 2026, together with accrued dividend equivalent units.

The transaction reported reflects the cash settlement of a fractional share in connection with the vesting of restricted stock units. The restricted stock units were granted to the reporting person on June 11, 2025 pursuant to the company's 2025 Equity Incentive Plan in accordance with the company's compensation program for non-employee directors and vested in full on June 11, 2026, together with accrued dividend equivalent units.

The transaction reported reflects the cash settlement of a fractional share in connection with the vesting of restricted stock units. The restricted stock units were granted to the reporting person on June 11, 2025 pursuant to the company's 2025 Equity Incentive Plan in accordance with the company's compensation program for non-employee directors and vested in full on June 11, 2026, together with accrued dividend equivalent units.

The transaction reported reflects the cash settlement of a fractional share in connection with the vesting of restricted stock units. The restricted stock units were granted to the reporting person on June 11, 2025 pursuant to the company's 2025 Equity Incentive Plan in accordance with the company's compensation program for non-employee directors and vested in full on June 11, 2026, together with accrued dividend equivalent units.

An annual award of restricted stock units granted pursuant to the company's 2025 Equity Incentive Plan in accordance with the company's compensation program for non-management directors.

An annual award of restricted stock units granted pursuant to the company's 2025 Equity Incentive Plan in accordance with the company's compensation program for non-management directors.

An annual award of restricted stock units granted pursuant to the company's 2025 Equity Incentive Plan in accordance with the company's compensation program for non-management directors.

An annual award of restricted stock units granted pursuant to the company's 2025 Equity Incentive Plan in accordance with the company's compensation program for non-management directors.

An annual award of restricted stock units granted pursuant to the company's 2025 Equity Incentive Plan in accordance with the company's compensation program for non-management directors.

An annual award of restricted stock units granted pursuant to the company's 2025 Equity Incentive Plan in accordance with the company's compensation program for non-management directors.

An annual award of restricted stock units granted pursuant to the company's 2025 Equity Incentive Plan in accordance with the company's compensation program for non-management directors.

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

The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted on March 4, 2026.

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

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.

Restricted stock units received pursuant to dividend equivalents credited on unvested restricted stock units previously granted to the reporting person. Dividend equivalents accrue with respect to unvested restricted stock units when and as cash dividends are paid on InterDigital, Inc.'s common stock.