Nottenburg Richard N (CIK 1166816) reported 17 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-05-18). Recent activity: Buy CHRN (200,000 shares), Sell APLD (12,500 shares), Sell APLD (12,500 shares), Sell APLD (11,606 shares), Sell APLD (12,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-18 | ChronoScale Corp (CHRN) | Director | Buy | 200,000 | $0 |
| 2026-04-30 | Applied Digital Corp. (APLD) | Director | Sell | 12,500 | $400,000 |
| 2026-04-30 | Applied Digital Corp. (APLD) | Director | Sell | 12,500 | $432,375 |
| 2026-01-16 | Applied Digital Corp. (APLD) | Director | Sell | 11,606 | $409,460 |
| 2026-01-16 | Applied Digital Corp. (APLD) | Director | Sell | 12,000 | $425,400 |
| 2025-11-26 | VERINT SYSTEMS INC (VRNT) | Director | Sell | 6,859 | $0 |
| 2025-11-26 | VERINT SYSTEMS INC (VRNT) | Director | Buy | 8,980 | $0 |
| 2025-11-26 | VERINT SYSTEMS INC (VRNT) | Director | Sell | 8,980 | $0 |
| 2025-11-10 | Applied Digital Corp. (APLD) | Director | Buy | 7,747 | $0 |
| 2025-10-31 | Applied Digital Corp. (APLD) | Director | Sell | 5,000 | $174,000 |
| 2025-10-31 | Applied Digital Corp. (APLD) | Director | Sell | 9,375 | $336,656 |
| 2025-10-28 | Applied Digital Corp. (APLD) | Director | Sell | 34,375 | $1.1M |
| 2025-09-05 | Applied Digital Corp. (APLD) | Director | Sell | 20,000 | $305,200 |
| 2025-08-11 | Applied Digital Corp. (APLD) | Director | Sell | 11,250 | $159,975 |
| 2025-08-06 | Applied Digital Corp. (APLD) | Director | Sell | 13,686 | $171,075 |
| 2025-04-14 | VERINT SYSTEMS INC (VRNT) | Director | Buy | 6,859 | $0 |
| 2025-01-22 | Applied Digital Corp. (APLD) | Director | Sell | 20,000 | $177,000 |
Source: SEC Form 4 filings · as of 2026-05-18