Mark Jeffery Penn is CEO at Stagwell Inc (STGW). They have made 13 open-market trades across 2 companies since 2020, most recently 2026-08-09.
CIK 0001771735
11 open-market purchases totalling $749K since 2020, against 2 sales. Across 11 scored buys the stock is up 22.0% at ninety days, and 11.1 points ahead of the S&P over the same stretch.
11 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| STGW | 23,109,990 | $207.8M |
| MDCA | 574,051 | $3.1M |
| Total | $210.9M |
Shares reported on the most recent Form 4, priced at the 2026-08-11 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 45% | 45% | 82% |
| Avg Move | -3.8% | -0.4% | +22.0% |
| Alpha | -6.3% | -5.1% | +11.1% |
| Scored | 11 | 11 | 11 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| STGW | BUY | 2026-05-13 | 2026-05-13 | $5.88 | $118K | +7.1% | +7.7% | +50.5% |
| STGW | BUY | 2025-05-21 | 2025-05-21 | $4.87 | $49K | -11.8% | -6.3% | +20.6% |
| STGW | BUY | 2025-05-09 | 2025-05-13 | $4.74 | $47K | -15.0% | -12.8% | -1.6% |
| STGW | BUY | 2024-02-29 | 2024-02-29 | $5.28 | $53K | +10.0% | +12.3% | +30.6% |
| STGW | BUY | 2024-02-28 | 2024-02-28 | $5.20 | $52K | +8.8% | +14.4% | +35.8% |
| STGW | SELL | 2023-03-22 | 2023-03-22 | $6.43 | $3.9M | +4.0% | -7.3% | +8.5% |
| STGW | SELL | 2023-03-14 | 2023-03-14 | $6.43 | $77.2M | +6.2% | -5.7% | +20.8% |
| STGW | BUY | 2021-08-19 | 2021-08-23 | $6.66 | $100K | +6.8% | +18.6% | +14.0% |
| STGW | BUY | 2021-08-09 | 2021-08-11 | $6.16 | $92K | +0.7% | +23.3% | +52.3% |
| MDCA | BUY | 2020-05-13 | 2020-05-18 | $1.10 | $110K | -10.5% | -7.5% | +36.1% |
| MDCA | BUY | 2020-03-26 | 2020-05-21 | $1.68 | $25K | -2.0% | -19.1% | +30.9% |
| MDCA | BUY | 2020-03-24 | 2020-03-26 | $1.37 | $69K | -28.2% | -31.0% | -28.2% |
| MDCA | BUY | 2020-03-20 | 2020-03-23 | $1.38 | $35K | -7.4% | -4.1% | +1.7% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.