Mattis Julia C 4
4 · InterDigital, Inc. · Filed Mar 17, 2026
Research Summary
AI-generated summary of this filing
InterDigital (IDCC) Chief Licensing Officer Julia Mattis Receives RSU Award
What Happened
Julia C. Mattis, Chief Licensing Officer of InterDigital, had 2,470.267 performance-based restricted stock units (RSUs) vest on March 15, 2026. At the reported fair market price of $362.35, the vested shares were worth about $895,000. To satisfy tax withholding and cash-settle fractional shares, a total of 2,044.92 shares were withheld or disposed (proceeds ≈ $740,978), leaving a net increase of about 425.347 shares (≈$154,100) added to her holdings.
Key Details
- Transaction date: March 15, 2026; Form 4 filed March 17, 2026 (timely).
- Vested: 2,470.267 RSUs (code A) — 2,372 performance RSUs at 200% of target plus 98.2674 dividend equivalents (per footnote).
- Withholding / dispositions: 1,050 + 993 whole shares and 0.267 + 1.653 fractional shares surrendered/paid (codes F and D) for tax obligations and cash settlement; total cash value disposed ≈ $740,978.
- Reported per-share price used: $362.35.
- Net new shares retained after withholding: ~425.347 shares (≈$154k at $362.35).
- Footnotes: Vesting reflects achievement of the 2023 performance goal (200% payout). Withholding satisfied tax liability; fractional shares were cash-settled.
- Filing timeliness: No late filing indicated.
Context
This was not an open-market purchase or an option exercise for immediate sale but the scheduled vesting of performance-based RSUs under the company’s equity plan, with the common practice of withholding/surrendering units to cover taxes (a cashless settlement). Such vesting events are routine compensation actions and are informational about realized compensation rather than a directional insider buy or sell signal.
Insider Transaction Report
- Award
Common Stock
[F1]2026-03-15+2,470.267→ 11,026.867 total - Tax Payment
Common Stock
[F2]2026-03-15$362.35/sh−1,050$380,468→ 9,976.867 total - Disposition to Issuer
Common Stock
[F3]2026-03-15$362.35/sh−0.267$97→ 9,976.6 total - Tax Payment
Common Stock
[F4]2026-03-15$362.35/sh−993$359,814→ 8,983.6 total - Disposition to Issuer
Common Stock
[F5]2026-03-15$362.35/sh−1.653$599→ 8,981.947 total
Footnotes (5)
- [F1]The transaction reported represents the vesting of awards of performance-based restricted stock units granted to the reporting person on March 31, 2023 pursuant to the company's 2017 Equity Incentive Plan in accordance with the company's long-term compensation program. Based on the achievement level of the 2023 cycle performance goal, 200% of the reporting person's target performance-based restricted stock unit awards, or 2,372 restricted stock units, vested on March 15, 2026 together with 98.2674 additional shares representing accrued dividend equivalent units.
- [F2]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.
- [F3]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.
- [F4]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 March 31, 2023, March 15, 2024 and March 31, 2025 pursuant to the company's 2017 Equity Incentive Plan in accordance with the company's long-term compensation program and vested on March 15, 2026, together with accrued dividend equivalents.
- [F5]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.