Mary B. Cranston is Director at INTERNATIONAL RECTIFIER CORP /DE/ (IRF). They have made 17 open-market trades across 7 companies since 2008, most recently 2026-08-07.
CIK 0001104268
6 open-market purchases totalling $618K since 2008, against 11 sales. Across 5 scored buys the stock is down 0.1% at ninety days, and 0.2 points behind the S&P over the same stretch.
6 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 17% | 50% | 40% |
| Avg Move | -3.8% | +3.0% | -0.1% |
| Alpha | -21.2% | +3.1% | -0.2% |
| Scored | 6 | 6 | 5 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| CC | BUY | 2026-08-07 | 2026-08-11 | $15.83 | $95K | +4.6% | -1.1% | — |
| V | SELL | 2021-02-18 | 2021-02-19 | $207.51 | $1.0M | +5.6% | +2.2% | +11.2% |
| MYOK | SELL | 2020-06-29 | 2020-07-01 | $96.61 | $4.2M | -1.8% | -4.9% | +41.5% |
| CC | BUY | 2019-08-07 | 2019-08-08 | $13.99 | $25K | -8.2% | +11.3% | +32.0% |
| CC | BUY | 2019-05-16 | 2019-05-20 | $23.91 | $25K | -8.0% | +5.6% | -43.5% |
| MLNX | BUY | 2018-01-22 | 2018-01-24 | $67.50 | $15K | -7.2% | +2.9% | +11.2% |
| V | SELL | 2017-08-17 | 2017-08-21 | $103.32 | $1.1M | +0.1% | +1.5% | +6.3% |
| IRF | SELL · 10b5-1 | 2014-08-20 | 2014-08-22 | $39.00 | $78K | N/A | N/A | N/A |
| GTI | BUY | 2014-04-25 | 2014-04-28 | $11.37 | $251K | +0.0% | +0.0% | +0.0% |
| IRF | SELL · 10b5-1 | 2014-01-14 | 2014-01-15 | $27.00 | $189K | N/A | N/A | N/A |
| IRF | SELL · 10b5-1 | 2013-10-01 | 2013-10-02 | $25.00 | $125K | N/A | N/A | N/A |
| IRF | SELL · 10b5-1 | 2013-09-30 | 2013-10-01 | $24.49 | $49K | N/A | N/A | N/A |
| IRF | SELL · 10b5-1 | 2013-07-30 | 2013-07-30 | $23.69 | $158K | N/A | N/A | N/A |
| IRF | SELL · 10b5-1 | 2013-07-11 | 2013-07-12 | $23.00 | $153K | N/A | N/A | N/A |
| EXPO | SELL | 2013-05-10 | 2013-05-10 | $53.50 | $100K | -8.0% | -1.3% | -1.3% |
| V | SELL | 2013-05-09 | 2013-05-10 | $179.10 | $179K | -3.9% | -0.5% | -0.5% |
| IRF | SELL · 10b5-1 | 2013-03-11 | 2013-03-12 | $21.07 | $309K | N/A | N/A | N/A |
| V | SELL | 2013-03-08 | 2013-03-12 | $160.73 | $96K | -3.9% | -0.5% | -0.5% |
| GTI | SELL · 10b5-1 | 2013-01-02 | 2013-01-04 | $9.73 | $125K | +0.0% | +0.0% | +0.0% |
| V | SELL | 2012-11-28 | 2012-11-29 | $147.02 | $294K | -3.9% | -0.5% | -0.5% |
| JNPR | SELL | 2012-05-22 | 2012-05-22 | $18.20 | $55K | -5.6% | +0.8% | +0.8% |
| V | SELL | 2012-05-04 | 2012-05-07 | $118.20 | $414K | -3.9% | -0.5% | -0.5% |
| GTI | SELL · 10b5-1 | 2012-02-15 | 2012-02-17 | $15.92 | $21K | +0.0% | +0.0% | +0.0% |
| GTI | SELL · 10b5-1 | 2011-12-16 | 2011-12-16 | $13.20 | $55K | +0.0% | +0.0% | +0.0% |
| V | SELL | 2011-11-14 | 2011-11-15 | $94.00 | $442K | -3.9% | -0.5% | -0.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| GTI |
| 77,040 |
| $208K |
| MLNX | 223 | $28K |
| IRF | 21,249 | — |
| Total | $10.9M |
Shares reported on the most recent Form 4, priced at the 2026-08-11 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.