Thomas E. Pardun is Director at WESTERN DIGITAL CORP (WDC). They have made 32 open-market trades across 3 companies since 2007, most recently 2026-05-26.
CIK 0001232833
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.
13 open-market purchases totalling $131K since 2007, against 19 sales. Across 13 scored buys the stock is down 3.9% at ninety days, and 4.2 points behind the S&P over the same stretch.
13 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 0% | 0% | 0% |
| Avg Move | -2.3% | -3.9% | -3.9% |
| Alpha | -193.3% | -4.2% | -4.2% |
| Scored | 13 | 13 | 13 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MXL | SELL | 2026-05-26 | 2026-05-28 | $105.00 | $1.2M | -26.8% | +9.5% | -36.4% |
| MXL | SELL | 2019-02-12 | 2019-02-13 | $22.15 | $734K | +9.8% | +13.5% | +8.8% |
| MXL | SELL | 2017-05-25 | 2017-05-25 | $31.13 | $1.3M | -1.2% | -6.1% | -32.7% |
| MXL | SELL | 2016-06-03 | 2016-06-06 | $20.39 | $367K | -5.2% | -14.4% | -4.8% |
| WDC | SELL | 2015-02-18 | 2015-02-19 | $107.50 | $645K | -15.7% | +1.8% | +1.8% |
| WDC | SELL | 2014-12-03 | 2014-12-04 | $103.63 | $1.4M | -15.7% | +1.8% | +1.8% |
| WDC | SELL | 2014-08-06 | 2014-08-07 | $102.00 | $816K | -15.7% | +1.8% | +1.8% |
| WDC | SELL | 2014-06-17 | 2014-06-18 | $92.50 | $639K | -15.7% | +1.8% | +1.8% |
| WDC | SELL | 2014-02-21 | 2014-02-25 | $87.98 | $935K | -15.7% | +1.8% | +1.8% |
| WDC | SELL | 2013-11-12 | 2013-11-12 | $71.49 | $429K | -15.7% | +1.8% | +1.8% |
| CAMP | SELL | 2013-05-21 | 2013-05-23 | $12.05 | $181K | -2.3% | -3.9% | -3.9% |
| WDC | SELL | 2013-05-14 | 2013-05-16 | $59.00 | $542K | -15.7% | +1.8% | +1.8% |
| WDC | SELL | 2013-03-18 | 2013-03-20 | $50.00 | $375K | -15.7% | +1.8% | +1.8% |
| WDC | SELL | 2013-02-19 | 2013-02-21 | $49.00 | $245K | -15.7% | +1.8% | +1.8% |
| WDC | SELL | 2012-12-19 | 2012-12-21 | $41.00 | $1.0M | -15.7% | +1.8% | +1.8% |
| CAMP | SELL | 2012-10-16 | 2012-10-18 | $9.50 | $171K | -2.3% | -3.9% | -3.9% |
| WDC | SELL | 2012-08-13 | 2012-08-15 | $44.00 | $440K | -15.7% | +1.8% | +1.8% |
| CAMP | BUY | 2011-08-18 | 2011-08-19 | $2.93 | $22K | -2.3% | -3.9% | -3.9% |
| CAMP | BUY | 2010-05-11 | 2010-05-12 | $2.31 | $15K | -2.3% | -3.9% | -3.9% |
| CAMP | BUY | 2009-05-15 | 2009-05-19 | $0.85 | $7K | -2.3% | -3.9% | -3.9% |
| CAMP | BUY | 2009-02-05 | 2010-08-02 | $0.74 | $1K | -2.3% | -3.9% | -3.9% |
| CAMP | BUY | 2009-01-23 | 2009-01-27 | $0.71 | $2K | -2.3% | -3.9% | -3.9% |
| CAMP | BUY | 2009-01-21 | 2009-01-23 | $0.70 | $2K | -2.3% | -3.9% | -3.9% |
| CAMP | BUY | 2008-11-10 | 2008-11-12 | $0.85 | $2K | -2.3% | -3.9% | -3.9% |
| CAMP | BUY | 2008-11-06 | 2008-11-10 | $0.85 | $3K | -2.3% | -3.9% | -3.9% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.