v3.26.1
FAIR VALUE MEASUREMENTS (Tables)
 12 Months Ended
Dec. 31, 2025
EBP 001  
EBP, Investment, Fair Value and NAV [Line Items]  
Schedule of Plan Assets at Fair Value
The following tables set forth by level, within the fair value hierarchy, the Plan's assets at fair value as of December 31, 2025 and December 31, 2024:
  Assets at Fair Value as of December 31, 2025
  Level 1 Level 2 Level 3 Total
Registered investment companies:    
  Aggressive Bonds$4,271,005 $— $— $4,271,005 
  Intermediate/Long-term Bonds7,887,004 — — 7,887,004 
  Large-Cap Stocks55,010,596 — — 55,010,596 
  Small/Mid-Cap Stocks20,580,235 — — 20,580,235 
  International Stocks7,136,945 — — 7,136,945 
  Multi-Asset/Other42,171,232 — — 42,171,232 
Personal Choice Retirement Account509,668 — — 509,668 
InterDigital Stock Fund — 9,746,855 —  9,746,855 
Total assets in the fair value hierarchy137,566,685 9,746,855 — 147,313,540 
Investments measured at NAV:
Stable Pooled Fund  7,168,489 
Investments at fair value $137,566,685  $9,746,855  $—  $154,482,029 
  Assets at Fair Value as of December 31, 2024
  Level 1 Level 2 Level 3 Total
Registered investment companies:  
  Aggressive Bonds$2,373,979 $— $— $2,373,979 
  Intermediate/Long-term Bonds7,962,781 — — 7,962,781 
  Large-Cap Stocks52,029,326 — — 52,029,326 
  Small/Mid-Cap Stocks20,793,649 — — 20,793,649 
  International Stocks6,118,710 — — 6,118,710 
  Multi-Asset/Other34,281,497 — — 34,281,497 
Personal Choice Retirement Account101,623 — — 101,623 
InterDigital Stock Fund — 6,387,369 —  6,387,369 
Total assets in the fair value hierarchy123,661,565 6,387,369 — 130,048,934 
Investments measured at NAV:
Stable Pooled Fund  7,685,383 
Investments at fair value $123,661,565  $6,387,369  $—  $137,734,317 
The following table summarizes investments measured at fair value based on NAV per share as of December 31, 2025 and December 31, 2024, respectively:
December 31, 2025Fair ValueUnfunded CommitmentsRedemption FrequencyRedemption Notice Period
Stable Pooled Fund$7,168,489 n/aDaily90 days
December 31, 2024Fair ValueUnfunded CommitmentsRedemption FrequencyRedemption Notice Period
Stable Pooled Fund$7,685,383 n/aDaily90 days