MARTIN WILLIAM C (CIK 1205885) reported 20 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-08-19). Recent activity: Sell UEIC (43,596 shares), Sell UEIC (15,000 shares), Sell UEIC (8,300 shares), Sell UEIC (200,000 shares), Buy IMMR (5,640 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | UNIVERSAL ELECTRONICS INC (UEIC) | 10% Owner | Sell | 43,596 | $228,792 |
| 2026-08-19 | UNIVERSAL ELECTRONICS INC (UEIC) | 10% Owner | Sell | 15,000 | $74,194 |
| 2026-08-19 | UNIVERSAL ELECTRONICS INC (UEIC) | 10% Owner | Sell | 8,300 | $40,080 |
| 2026-08-12 | UNIVERSAL ELECTRONICS INC (UEIC) | 10% Owner | Sell | 200,000 | $1.0M |
| 2026-08-04 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Buy | 5,640 | $0 |
| 2026-05-01 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Buy | 7,425 | $0 |
| 2026-05-01 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Buy | 17,872 | $0 |
| 2026-03-13 | Barnes & Noble Education, Inc. (BNED) | Director | Buy | 23,867 | $0 |
| 2026-02-02 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Buy | 6,588 | $0 |
| 2025-11-18 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Buy | 17,647 | $0 |
| 2025-11-04 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Buy | 7,952 | $0 |
| 2025-08-05 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Buy | 7,140 | $0 |
| 2025-07-03 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Sell | 68,400 | $541,044 |
| 2025-05-08 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Buy | 10,239 | $0 |
| 2025-05-02 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Buy | 5,968 | $0 |
| 2025-04-02 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Sell | 45,600 | $352,944 |
| 2025-03-24 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Buy | 86,899 | $0 |
| 2025-03-24 | IMMERSION CORP (IMMR) | Chief Strategy Officer | Buy | 27,150 | $204,982 |
| 2025-03-14 | Barnes & Noble Education, Inc. (BNED) | Director | Buy | 59,146 | $502,150 |
| 2025-03-14 | Barnes & Noble Education, Inc. (BNED) | Director | Buy | 142,898 | $1.2M |
Source: SEC Form 4 filings · as of 2026-08-19