Brian Shirley is VP at MICRON TECHNOLOGY INC (MU). They have made 30 open-market trades across 2 companies since 2006, most recently 2026-06-15.
CIK 0001353179
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 30 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| MU | 292,211 | $256.8M |
| AEIS | 6,663 | $1.6M |
| Total | $258.4M |
Shares reported on the most recent Form 4, priced at the 2026-06-17 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 |
|---|---|---|---|---|---|---|---|---|
| AEIS | SELL · 10b5-1 | 2026-06-15 | 2026-06-17 | $372.35 | $459K | +2.5% | -22.0% | -31.1% |
| AEIS | SELL | 2026-03-13 | 2026-03-13 | $310.19 | $383K | +9.7% | +21.2% | +9.0% |
| MU | SELL | 2017-07-12 | 2017-07-14 | $31.54 | $859K | -5.9% | -7.7% | +28.1% |
| MU | SELL | 2017-05-15 | 2017-05-17 | $28.77 | $2.9M | +13.1% | +10.0% | +9.3% |
| MU | SELL | 2017-03-28 | 2017-03-30 | $28.68 | $2.5M | -6.5% | -2.7% | +10.9% |
| MU | SELL | 2017-02-15 | 2017-02-16 | $23.12 | $630K | +6.6% | +13.8% | +17.2% |
| MU | SELL | 2017-01-06 | 2017-01-10 | $22.09 | $2.6M | -3.1% | +8.2% | +22.4% |
| MU | SELL | 2016-11-17 | 2016-11-21 | $19.00 | $1.4M | -4.3% | +4.8% | +21.0% |
| MU | SELL | 2016-10-04 | 2016-10-06 | $17.84 | $2.1M | -1.7% | -1.9% | +26.2% |
| MU | SELL | 2016-07-05 | 2016-07-07 | $12.37 | $1.2M | +6.7% | +16.4% | +42.9% |
| MU | SELL · 10b5-1 | 2015-04-20 | 2015-04-22 | $28.74 | $2.6M | -12.8% | +3.6% | +3.6% |
| MU | SELL · 10b5-1 | 2015-01-20 | 2015-01-22 | $29.82 | $2.2M | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2014-10-03 | 2014-10-07 | $34.06 | $1.0M | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2014-07-02 | 2014-07-03 | $34.06 | $2.2M | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2014-01-13 | 2014-01-15 | $23.58 | $3.5M | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2013-11-13 | 2013-11-15 | $18.92 | $1.8M | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2013-11-11 | 2013-11-13 | $18.36 | $4.5M | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2013-08-14 | 2013-08-15 | $14.90 | $1.5M | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2013-06-24 | 2013-06-25 | $13.40 | $1.3M | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2013-05-03 | 2013-05-06 | $9.62 | $48K | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2013-05-02 | 2013-05-03 | $9.32 | $1.1M | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2013-04-19 | 2013-04-22 | $9.29 | $1.1M | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2011-04-25 | 2011-04-26 | $11.30 | $1.1M | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2011-01-04 | 2011-01-04 | $8.50 | $340K | -12.8% | +3.6% | +3.6% |
| MU | SELL | 2010-11-15 | 2010-11-16 | $7.56 | $302K | -12.8% | +3.6% | +3.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.