W. Brian Kretzmer is Director at J2 GLOBAL, INC. (JCOM). They have made 23 open-market trades across 2 companies since 2012, most recently 2026-08-18.
CIK 0001280284
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.
1 open-market purchase totalling $25K since 2025, against 22 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| ZD | 20,000 | $1.1M |
| JCOM | 7,537 | $1.1M |
| PrivateUnlisted | 133,012 | — |
| Total | $2.2M |
Shares reported on the most recent Form 4, priced at the 2026-08-20 close. 1 holding could not be priced and is excluded from the total.
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 |
|---|---|---|---|---|---|---|---|---|
| ZD | SELL | 2026-08-18 | 2026-08-20 | $55.31 | $139K | +0.0% | +3.8% | — |
| ZD | SELL | 2026-06-02 | 2026-06-03 | $44.51 | $88K | +0.9% | +18.5% | +21.9% |
| ZD | BUY | 2025-03-06 | 2025-03-06 | $38.33 | $25K | +3.9% | -17.3% | -16.7% |
| ZD | SELL | 2022-11-17 | 2022-11-18 | $88.55 | $448K | +6.1% | -10.5% | -6.9% |
| JCOM | SELL | 2021-02-16 | 2021-02-18 | $110.85 | $3.3M | +3.3% | +8.3% | +14.7% |
| JCOM | SELL | 2020-09-10 | 2020-09-10 | $71.50 | $161K | -1.5% | +2.4% | +35.5% |
| JCOM | SELL | 2020-02-19 | 2020-02-20 | $96.54 | $959K | -7.4% | -34.3% | -21.6% |
| JCOM | SELL | 2019-09-05 | 2019-09-09 | $87.03 | $157K | +3.6% | +4.8% | +7.4% |
| JCOM | SELL | 2019-03-13 | 2019-03-13 | $84.17 | $505K | -0.2% | +5.2% | +2.2% |
| JCOM | SELL | 2018-05-09 | 2018-05-11 | $87.25 | $1.0M | -0.8% | -0.2% | -1.1% |
| JCOM | SELL | 2017-06-06 | 2017-06-07 | $86.20 | $230K | +4.7% | -1.1% | -12.4% |
| JCOM | SELL | 2017-02-13 | 2017-02-14 | $84.34 | $169K | -0.1% | +3.6% | +2.4% |
| JCOM | SELL | 2016-08-30 | 2016-09-01 | $67.95 | $448K | -1.1% | -4.7% | +6.8% |
| JCOM | SELL | 2016-06-08 | 2016-06-08 | $67.70 | $447K | -3.4% | -5.3% | +2.2% |
| JCOM | SELL | 2016-05-17 | 2016-05-18 | $62.59 | $590K | +6.4% | +1.8% | +6.9% |
| JCOM | SELL | 2015-11-10 | 2015-11-12 | $78.88 | $521K | -9.2% | -0.7% | -20.9% |
| JCOM | SELL | 2015-06-03 | 2015-06-05 | $66.88 | $1.4M | -9.2% | -0.7% | -0.7% |
| JCOM | SELL | 2014-06-05 | 2014-06-09 | $47.94 | $509K | -9.2% | -0.7% | -0.7% |
| JCOM | SELL | 2013-12-06 | 2013-12-09 | $46.08 | $631K | -9.2% | -0.7% | -0.7% |
| JCOM | SELL | 2013-06-03 | 2013-06-05 | $40.66 | $339K | -9.2% | -0.7% | -0.7% |
| JCOM | SELL | 2012-02-22 | 2012-02-22 | $30.21 | $725K | -9.2% | -0.7% | -0.7% |
| JCOM | SELL | 2012-02-17 | 2012-02-22 | $30.02 | $391K | -9.2% | -0.7% | -0.7% |
| JCOM | SELL | 2012-02-17 | 2012-05-14 | $30.06 | $30K | -9.2% | -0.7% | -0.7% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.