News + Filings Holdings
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BlackRock Investment Management, LLC
> KEI
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 09/30/2010 | KEITHLEY INSTRUMENTS INC | KEI | 22,131 | 1,505 | 476,000 | 294,000 | $21.51 |
| 06/30/2010 | KEITHLEY INSTRUMENTS INC | KEI | 20,626 | 12,331 | 182,000 | 127,000 | $8.82 |
| 03/31/2010 | KEITHLEY INSTRUMENTS INC | KEI | 8,295 | 695 | 55,000 | 20,000 | $6.63 |
| 12/31/2009 | KEITHLEY INSTRUMENTS INC | KEI | 7,600 | 4,900 | 35,000 | 20,000 | $4.61 |
| 09/30/2009 | KEITHLEY INSTRUMENTS INC | KEI | 2,700 | 300 | 15,000 | 5,000 | $5.56 |
| 06/30/2009 | KEITHLEY INSTRUMENTS INC | KEI | 2,400 | 0 | 10,000 | 2,000 | $4.17 |
| 03/31/2009 | KEITHLEY INSTRUMENTS INC | KEI | 2,400 | 0 | 8,000 | -1,000 | $3.33 |
| 12/31/2008 | KEITHLEY INSTRUMENTS INC | KEI | 2,400 | 2,400 | 9,000 | 9,000 | $3.75 |
| 09/30/2008 | KEITHLEY INSTRUMENTS INC | KEI | 2,400 | -7,700 | 20,000 | -76,000 | $8.33 |
| 06/30/2008 | KEITHLEY INSTRUMENTS INC | KEI | 10,100 | 0 | 96,000 | -2,000 | $9.50 |
| 03/31/2008 | KEITHLEY INSTRUMENTS INC | KEI | 10,100 | 0 | 98,000 | 0 | $9.70 |
| 12/31/2007 | KEITHLEY INSTRUMENTS INC | KEI | 10,100 | 0 | 98,000 | -9,000 | $9.70 |
| 09/28/2007 | KEITHLEY INSTRUMENTS INC | KEI | 10,100 | 0 | 107,000 | -26,000 | $10.59 |
| 12/31/2006 | KEITHLEY INSTRUMENTS INC | KEI | 10,100 | -3,200 | 133,000 | -36,000 | $13.17 |
| 09/30/2006 | KEITHLEY INSTRUMENTS INC | KEI | 13,300 | 13,300 | 169,000 | 169,000 | $12.71 |
| 06/29/2006 | KEITHLEY INSTRUMENTS INC | KEI | 10,100 | -3,000 | 127,000 | -73,000 | $12.57 |
| 03/30/2006 | KEITHLEY INSTRUMENTS INC | KEI | 13,100 | 13,100 | 200,000 | 200,000 | $15.27 |
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