Penn Mark Jeffery (CIK 1771735) reported 21 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-11). Recent activity: Buy STGW (500,000 shares), Sell STGW (500,000 shares), Buy STGW (75,000 shares), Sell STGW (75,000 shares), Buy STGW (20,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-11 | Stagwell Inc (STGW) | Chief Executive Officer | Buy | 500,000 | $4.1M |
| 2026-08-11 | Stagwell Inc (STGW) | Chief Executive Officer | Sell | 500,000 | $4.6M |
| 2026-08-11 | Stagwell Inc (STGW) | Chief Executive Officer | Buy | 75,000 | $509,250 |
| 2026-08-11 | Stagwell Inc (STGW) | Chief Executive Officer | Sell | 75,000 | $687,750 |
| 2026-05-13 | Stagwell Inc (STGW) | Chief Executive Officer | Buy | 20,000 | $117,600 |
| 2026-04-03 | Stagwell Inc (STGW) | Chief Executive Officer | Buy | 389,432 | $0 |
| 2026-03-13 | Stagwell Inc (STGW) | Chief Executive Officer | Sell | 4.6M | $28.2M |
| 2026-03-10 | Stagwell Inc (STGW) | Chief Executive Officer | Sell | 75,447 | $395,342 |
| 2026-03-05 | Stagwell Inc (STGW) | Chief Executive Officer | Sell | 57,689 | $0 |
| 2026-03-05 | Stagwell Inc (STGW) | Chief Executive Officer | Sell | 229,529 | $1.1M |
| 2025-08-05 | Stagwell Inc (STGW) | Chief Executive Officer | Sell | 1.8M | $0 |
| 2025-05-21 | Stagwell Inc (STGW) | Chief Executive Officer | Buy | 10,000 | $48,700 |
| 2025-05-13 | Stagwell Inc (STGW) | Chief Executive Officer | Buy | 10,000 | $47,400 |
| 2025-04-18 | Stagwell Inc (STGW) | Chief Executive Officer | Sell | 6.8M | $0 |
| 2025-04-08 | Stagwell Inc (STGW) | Chief Executive Officer | Buy | 6.6M | $0 |
| 2025-04-08 | Stagwell Inc (STGW) | Chief Executive Officer | Sell | 122.7M | $0 |
| 2025-04-02 | Stagwell Inc (STGW) | Chief Executive Officer | Sell | 106,746 | $0 |
| 2025-04-02 | Stagwell Inc (STGW) | Chief Executive Officer | Sell | 191,354 | $1.1M |
| 2025-04-02 | Stagwell Inc (STGW) | Chief Executive Officer | Buy | 151.6M | $0 |
| 2025-03-11 | Stagwell Inc (STGW) | Chief Executive Officer | Buy | 191,733 | $0 |
| 2025-03-11 | Stagwell Inc (STGW) | Chief Executive Officer | Sell | 54,817 | $341,510 |
Source: SEC Form 4 filings · as of 2026-08-11