Ellen F. Siminoff is Director at ZYNGA INC (ZNGA). They have made 23 open-market trades across 6 companies since 2007, most recently 2026-10-15.
CIK 0001386430
6 open-market purchases totalling $3.8M since 2007, against 17 sales. Across 6 scored buys the stock is down 8.7% at ninety days, and 11.4 points behind the S&P over the same stretch.
6 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 17% | 0% | 0% |
| Avg Move | -11.1% | -7.7% | -8.7% |
| Alpha | -7.3% | -5.7% | -11.4% |
| Scored | 6 | 6 | 6 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| TTWO | SELL · 10b5-1 | 2026-10-15 | 2026-10-16 | $202.92 | $34K | — | — | — |
| TTWO | SELL · 10b5-1 | 2026-09-15 | 2026-09-16 | $219.53 | $37K | -4.7% | -3.3% | — |
| TTWO | SELL · 10b5-1 | 2026-08-14 | 2026-08-18 | $242.34 | $40K | -2.5% | -12.8% | — |
| TTWO | SELL · 10b5-1 | 2026-07-01 | 2026-07-06 | $252.53 | $42K | -9.1% | -10.8% | -22.8% |
| TTWO | SELL · 10b5-1 | 2026-04-15 | 2026-04-16 | $207.66 | $86K | -2.2% | +11.2% | +11.8% |
| TTWO | SELL · 10b5-1 | 2026-03-16 | 2026-03-17 | $209.36 | $86K | -7.4% | +4.5% | +5.6% |
| TTWO | SELL · 10b5-1 | 2026-02-18 | 2026-02-19 | $200.00 | $83K | +9.0% | +0.9% | +18.8% |
| CMRC | BUY | 2026-02-17 | 2026-02-19 | $2.94 | $294K | -12.4% | -20.4% | -11.2% |
| TTWO | SELL · 10b5-1 | 2026-01-15 | 2026-01-16 | $245.48 | $102K | +0.1% | -18.9% | -10.5% |
| TTWO | SELL · 10b5-1 | 2025-12-15 | 2025-12-17 | $242.71 | $166K | +6.1% | -1.2% | -14.9% |
| TTWO | SELL · 10b5-1 | 2025-11-14 | 2025-11-17 | $235.95 | $161K | +5.4% | +3.1% | -16.9% |
| TTWO | SELL · 10b5-1 | 2025-10-15 | 2025-10-17 | $259.42 | $176K | -4.0% | -10.9% | -6.8% |
| TTWO | SELL · 10b5-1 | 2025-09-15 | 2025-09-16 | $246.25 | $168K | +3.3% | +4.5% | -1.4% |
| TTWO | SELL · 10b5-1 | 2025-08-15 | 2025-08-18 | $233.65 | $159K | +1.2% | +7.9% | +0.6% |
| TTWO | SELL · 10b5-1 | 2025-07-15 | 2025-07-16 | $237.80 | $98K | -5.3% | -2.7% | +8.0% |
| TTWO | SELL · 10b5-1 | 2025-06-16 | 2025-06-17 | $230.95 | $157K | +2.2% | -1.6% | +4.0% |
| TTWO | SELL · 10b5-1 | 2025-06-04 | 2025-06-05 | $229.52 | $157K | +1.9% | +4.1% | +2.5% |
| BIGC | BUY | 2025-03-06 | 2025-03-10 | $6.64 | $2.4M | -1.6% | -7.2% | -11.7% |
| BIGC | BUY | 2025-02-24 | 2025-02-26 | $6.47 | $275K | -19.6% | -18.0% | -29.1% |
| ZNGA | SELL · 10b5-1 | 2021-12-15 | 2021-12-17 | $6.18 | $31K | +1.7% | +39.4% | +39.1% |
| ZNGA | SELL · 10b5-1 | 2021-11-15 | 2021-11-17 | $7.58 | $38K | -13.9% | -6.1% | +29.3% |
| BIGC | SELL | 2021-11-05 | 2021-11-09 | $52.75 | $132K | -20.9% | -33.8% | -50.2% |
| ZNGA | SELL · 10b5-1 | 2021-10-15 | 2021-10-19 | $7.46 | $37K | -3.4% | -13.1% | +17.7% |
| BIGC | SELL | 2021-09-27 | 2021-09-28 | $53.34 | $133K | -6.1% | -13.9% | -30.0% |
| ZNGA | SELL · 10b5-1 | 2021-09-15 | 2021-09-17 | $8.03 | $40K | -4.1% | -5.1% | -18.3% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| Total |
| $4.8M |
Shares reported on the most recent Form 4, priced at the 2026-10-16 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.