Mancini Marianna (CIK 1838112) reported 12 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-29). Recent activity: Buy VKTX (31,667 shares), Sell VKTX (18,217 shares), Buy VKTX (41,000 shares), Buy VKTX (32,049 shares), Sell VKTX (31,961 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-29 | Viking Therapeutics, Inc. (VKTX) | Chief Operating Officer | Buy | 31,667 | $0 |
| 2026-07-29 | Viking Therapeutics, Inc. (VKTX) | Chief Operating Officer | Sell | 18,217 | $609,636 |
| 2026-01-05 | Viking Therapeutics, Inc. (VKTX) | Chief Operating Officer | Buy | 41,000 | $0 |
| 2026-01-05 | Viking Therapeutics, Inc. (VKTX) | Chief Operating Officer | Buy | 32,049 | $0 |
| 2026-01-05 | Viking Therapeutics, Inc. (VKTX) | Chief Operating Officer | Sell | 31,961 | $1.0M |
| 2026-01-05 | Viking Therapeutics, Inc. (VKTX) | Chief Operating Officer | Sell | 13,600 | $453,832 |
| 2026-01-05 | Viking Therapeutics, Inc. (VKTX) | Chief Operating Officer | Sell | 10,500 | $359,310 |
| 2026-01-05 | Viking Therapeutics, Inc. (VKTX) | Chief Operating Officer | Sell | 1,600 | $56,112 |
| 2025-10-28 | Viking Therapeutics, Inc. (VKTX) | Chief Operating Officer | Buy | 11,117 | $0 |
| 2025-10-28 | Viking Therapeutics, Inc. (VKTX) | Chief Operating Officer | Sell | 6,185 | $216,475 |
| 2025-07-03 | Viking Therapeutics, Inc. (VKTX) | Chief Operating Officer | Buy | 7,667 | $0 |
| 2025-07-03 | Viking Therapeutics, Inc. (VKTX) | Chief Operating Officer | Sell | 4,266 | $118,467 |
Source: SEC Form 4 filings · as of 2026-07-29