Affiliations
- Other at Interdigital Inc. (IDCC), 2018-10-11
| Company | Symbol | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| IDCC | $85.10 | 555 | Director | 20,202 | 2018-06-15 | Filing |
| IDCC | $84.39 | 800 | Director | 17,001 | 2017-06-09 | Filing |
| IDCC | $88.70 | 2,773 | Director | 17,784 | 2017-01-20 | Filing |
| IDCC | $53.63 | 2,400 | Director | 18,008 | 2014-12-22 | Filing |