Spencer Kirk is Director at Extra Space Storage Inc. (EXR). They have made 37 open-market trades across 1 company since 2008, most recently 2025-12-02.
CIK 0001300028
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 $981K since 2008, against 36 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| EXR | 567,591 | $79.2M |
Shares reported on the most recent Form 4, priced at the 2025-12-04 close.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| EXR | SELL | 2021-08-16 | 2021-08-18 | $175.41 | $85.6M | +6.9% | +3.7% | +14.5% |
| EXR | SELL | 2021-08-03 | 2021-08-04 | $175.59 | $42.8M | -0.6% | +9.8% | +14.5% |
| EXR | SELL | 2021-07-30 | 2021-08-03 | $175.86 | $63.3M | -0.6% | +8.4% | +11.5% |
| EXR | SELL | 2021-05-06 | 2021-05-10 | $146.00 | $12.4M | -0.7% | +7.8% | +19.2% |
| EXR | SELL | 2020-11-19 | 2020-11-20 | $112.62 | $5.7M | +0.6% | +1.2% | +4.9% |
| EXR | SELL | 2020-09-02 | 2020-09-03 | $107.99 | $9.2M | +3.8% | +4.3% | +3.0% |
| EXR | SELL | 2020-03-04 | 2020-03-10 | $110.06 | $5.5M | -24.3% | -2.3% | -0.7% |
| EXR | SELL | 2019-08-22 | 2019-08-23 | $121.17 | $61.0M | -0.0% | -4.5% | -12.9% |
| EXR | SELL | 2019-08-20 | 2019-08-21 | $121.34 | $60.2M | +1.2% | -4.1% | -11.7% |
| EXR | SELL | 2019-02-28 | 2019-03-01 | $95.92 | $4.3M | +4.3% | +5.4% | +10.1% |
| EXR | SELL | 2019-02-25 | 2019-02-27 | $93.12 | $4.2M | +4.8% | +8.0% | +11.6% |
| EXR | SELL | 2017-12-01 | 2017-12-04 | $85.24 | $1.7M | +1.7% | +0.8% | +1.3% |
| EXR | SELL | 2017-11-01 | 2017-11-02 | $81.38 | $1.6M | +4.1% | +2.3% | +0.7% |
| EXR | SELL | 2017-10-02 | 2017-10-04 | $79.64 | $1.6M | +2.6% | +6.6% | +7.4% |
| EXR | SELL | 2017-09-01 | 2017-09-05 | $78.12 | $1.6M | +0.7% | +2.5% | +8.1% |
| EXR | SELL | 2017-08-01 | 2017-08-02 | $79.09 | $1.6M | -2.5% | -1.3% | +3.5% |
| EXR | SELL | 2017-07-03 | 2017-07-05 | $78.31 | $1.6M | +0.2% | +0.7% | +2.3% |
| EXR | SELL | 2017-06-01 | 2017-06-01 | $75.75 | $1.5M | -1.2% | +3.1% | +1.9% |
| EXR | SELL | 2017-05-01 | 2017-05-01 | $75.28 | $1.5M | -3.9% | +2.6% | +5.3% |
| EXR | SELL | 2017-04-03 | 2017-04-03 | $75.15 | $1.5M | +3.5% | -3.5% | +4.0% |
| EXR | SELL | 2017-03-01 | 2017-03-02 | $79.63 | $1.6M | -6.1% | -4.3% | -1.9% |
| EXR | SELL | 2017-02-01 | 2017-02-01 | $71.88 | $1.4M | +4.5% | +10.4% | +2.7% |
| EXR | SELL | 2017-01-03 | 2017-01-03 | $76.65 | $1.5M | -5.9% | -6.1% | -2.1% |
| EXR | SELL | 2016-12-05 | 2016-12-07 | $69.43 | $2.8M | +1.4% | +7.2% | +6.9% |
| EXR | SELL | 2016-11-01 | 2016-11-01 | $72.29 | $2.9M | +2.9% | -3.4% | +0.9% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.