Matthew S. Bromberg is COO at ZYNGA INC (ZNGA). They have made 45 open-market trades across 3 companies since 2017, most recently 2026-08-25.
CIK 0001680979
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 45 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| U | 1,541,131 | $62.2M |
| ZNGA | 1,000,739 | $8.2M |
| FIT | 71,782 | $497K |
| BMBL | 36,522 | $217K |
| Total | $71.1M |
Shares reported on the most recent Form 4, priced at the 2026-08-26 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| U | SELL | 2026-08-25 | 2026-08-26 | $45.31 | $742K | -4.6% | -7.3% | — |
| U | SELL | 2026-05-26 | 2026-05-28 | $27.18 | $3.8M | -5.3% | -5.7% | +47.8% |
| U | SELL | 2025-11-25 | 2025-11-26 | $41.38 | $3.4M | +16.5% | +6.3% | -56.9% |
| U | SELL · 10b5-1 | 2025-08-26 | 2025-08-28 | $40.03 | $4.8M | +8.0% | +7.6% | +6.4% |
| U | SELL | 2025-05-27 | 2025-05-29 | $21.24 | $2.8M | -0.6% | -3.2% | +61.4% |
| U | SELL | 2025-05-27 | 2025-09-16 | $21.22 | $5.2M | -6.9% | -24.4% | -1.5% |
| BMBL | SELL | 2023-05-10 | 2023-05-10 | $17.17 | $415K | -0.7% | -2.0% | +4.0% |
| ZNGA | SELL | 2021-10-13 | 2021-10-14 | $7.50 | $188K | -2.8% | -1.8% | +20.7% |
| ZNGA | SELL | 2021-07-13 | 2021-07-15 | $10.66 | $107K | -1.3% | -20.7% | -27.7% |
| ZNGA | SELL | 2021-06-16 | 2021-06-17 | $10.20 | $153K | +2.9% | -1.0% | -23.2% |
| ZNGA | SELL | 2021-05-19 | 2021-05-20 | $10.32 | $650K | +1.5% | -0.1% | -21.8% |
| ZNGA | SELL | 2021-04-20 | 2021-04-21 | $10.49 | $451K | +0.5% | -2.5% | -1.0% |
| ZNGA | SELL | 2021-03-16 | 2021-03-17 | $10.32 | $144K | +0.9% | +5.6% | +4.0% |
| ZNGA | SELL | 2021-02-18 | 2021-02-22 | $12.00 | $756K | -7.0% | -13.8% | -7.8% |
| ZNGA | SELL | 2021-01-13 | 2021-01-15 | $9.78 | $147K | +0.8% | +17.7% | +9.8% |
| ZNGA | SELL | 2020-12-16 | 2020-12-17 | $9.44 | $142K | +1.1% | +3.4% | +5.4% |
| ZNGA | SELL | 2020-11-16 | 2020-11-17 | $7.94 | $500K | +2.6% | +19.5% | +43.0% |
| ZNGA | SELL | 2020-09-22 | 2020-09-23 | $8.61 | $103K | +10.6% | +9.1% | +15.5% |
| ZNGA | SELL | 2020-08-24 | 2020-08-25 | $9.22 | $221K | -4.5% | -3.4% | -10.3% |
| ZNGA | SELL | 2020-07-22 | 2020-07-24 | $9.82 | $118K | +4.7% | -4.2% | -3.3% |
| ZNGA | SELL | 2020-06-22 | 2020-06-23 | $9.42 | $113K | +1.4% | -0.7% | -10.0% |
| ZNGA | SELL | 2020-05-19 | 2020-05-20 | $8.09 | $97K | +17.2% | +13.6% | +15.2% |
| ZNGA | SELL | 2020-04-21 | 2020-04-23 | $7.53 | $90K | +0.4% | +6.6% | +29.2% |
| ZNGA | SELL | 2020-03-18 | 2020-03-19 | $6.00 | $72K | +6.7% | +19.0% | +45.3% |
| ZNGA | SELL | 2020-02-19 | 2020-02-19 | $7.13 | $86K | -1.8% | -16.3% | +13.2% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.