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| SEC Filing | Company/Stock | Trade Date | Transaction | Shares | Avg. Price | Total | % Holdings | Gain/Loss |
|---|---|---|---|---|---|---|---|---|
| 09-Dec-10 4:29 PM View:  | Keithley Instruments Inc. (KEI) | 08-Dec-10 | Disposition | 16,455 | $21.60 | $355,428.00 | (100%) 16.45K to 0 | < 1% |
| 29-Oct-10 12:35 PM View: | Keithley Instruments Inc. (KEI) | 27-Oct-10 | Payment of Exercise | 3,874 | $21.53 | $83,407.20 | (19%) 20.33K to 16.45K | (< 1%) |
| 29-Oct-10 12:35 PM View: | Keithley Instruments Inc. (KEI) | 27-Oct-10 | Option Exercise | 12,125 | -- | -- | 148% 8.2K to 20.33K | |
| 29-Oct-10 12:35 PM View: | Keithley Instruments Inc. (KEI) | 05-Oct-10 | Acquisition (other) | 3 | $21.45 | $64.34 | < 1% 8.2K to 8.2K | < 1% |
| 29-Oct-10 12:35 PM View: | Keithley Instruments Inc. (KEI) | 06-Jul-10 | Acquisition (other) | 257 | $8.83 | $2,270.36 | 3% 7.94K to 8.2K | 145% |
| 29-Oct-10 12:35 PM View: | Keithley Instruments Inc. (KEI) | 06-Apr-10 | Acquisition (other) | 3 | $6.59 | $19.76 | < 1% 7.94K to 7.94K | 230% |
| 29-Oct-10 12:35 PM View: | Keithley Instruments Inc. (KEI) | 06-Jan-10 | Acquisition (other) | 4 | $4.55 | $18.20 | < 1% 7.94K to 7.94K | 379% |
| 12-Nov-09 10:20 AM View: | Keithley Instruments Inc. (KEI) | 30-Sep-09 | Acquisition (other) | 4 | $5.75 | $23.00 | < 1% 7.93K to 7.94K | (3%) |
| 12-Nov-09 10:20 AM View: | Keithley Instruments Inc. (KEI) | 30-Jun-09 | Acquisition (other) | 398 | $3.80 | $1,512.23 | 5% 7.54K to 7.93K | 89% |
| 12-Nov-09 10:20 AM View: | Keithley Instruments Inc. (KEI) | 01-Apr-09 | Acquisition (other) | 70 | $3.39 | $237.30 | < 1% 7.46K to 7.54K | 106% |
| 12-Nov-09 10:20 AM View: | Keithley Instruments Inc. (KEI) | 31-Mar-09 | Acquisition (other) | 12 | $3.33 | $39.96 | < 1% 7.45K to 7.46K | 109% |
| 12-Nov-09 10:20 AM View: | Keithley Instruments Inc. (KEI) | 02-Jan-09 | Acquisition (other) | 64 | $3.69 | $236.16 | < 1% 7.39K to 7.45K | 88% |
| 09-Feb-09 5:15 PM View: | Keithley Instruments Inc. (KEI) | 31-Dec-08 | Acquisition (other) | 11 | $3.72 | $40.93 | < 1% 7.38K to 7.39K | 86% |
| 10-Nov-08 12:26 PM View: | Keithley Instruments Inc. (KEI) | 06-Nov-08 | Option Exercise | 6,300 | -- | -- | 584% 1.08K to 7.38K | |
| 10-Nov-08 12:26 PM View: | Keithley Instruments Inc. (KEI) | 30-Sep-08 | Acquisition (other) | 4 | $8.40 | $33.59 | < 1% 1.07K to 1.08K | (12%) |
| 30-Jul-08 2:02 PM View: | Keithley Instruments Inc. (KEI) | 29-Jul-08 | Option Exercise | 6,500 | $3.76 | $24,422.00 | 605% 1.07K to 7.57K | 163% |
| 30-Jul-08 2:02 PM View: | Keithley Instruments Inc. (KEI) | 29-Jul-08 | Market Option Sale | 6,500 | $10.05 | $65,310.50 | (86%) 7.57K to 1.07K | 26% |
| 30-Jul-08 2:02 PM View: | Keithley Instruments Inc. (KEI) | 30-Jun-08 | Acquisition (other) | 71 | $9.06 | $643.35 | 7% 1.0K to 1.07K | (18%) |
| 30-Jul-08 2:02 PM View: | Keithley Instruments Inc. (KEI) | 31-Mar-08 | Acquisition (other) | 3 | $9.86 | $29.58 | < 1% 1.0K to 1.0K | (24%) |
| 30-Jul-08 2:02 PM View: | Keithley Instruments Inc. (KEI) | 31-Dec-07 | Acquisition (other) | 4 | $9.72 | $38.88 | < 1% 1.0K to 1.0K | (23%) |
| 26-Oct-07 10:00 PM View: | Keithley Instruments Inc. (KEI) | 28-Sep-07 | Acquisition (other) | 4 | $10.60 | $42.40 | < 1% 0.99K to 1.0K | (29%) |
| 26-Oct-07 10:00 PM View: | Keithley Instruments Inc. (KEI) | 29-Jun-07 | Acquisition (other) | 53 | $11.97 | $634.16 | 6% 0.94K to 0.99K | (37%) |
| 26-Oct-07 10:00 PM View: | Keithley Instruments Inc. (KEI) | 30-Mar-07 | Acquisition (other) | 2 | $15.19 | $30.38 | < 1% 0.94K to 0.94K | (50%) |
| 01-Feb-07 10:50 AM View: | Keithley Instruments Inc. (KEI) | 29-Dec-06 | Acquisition (other) | 3 | $13.36 | $40.08 | < 1% 0.93K to 0.94K | (43%) |
| 30-Oct-06 10:00 PM View: | Keithley Instruments Inc. (KEI) | 29-Sep-06 | Acquisition (other) | 3 | $13.08 | $39.24 | < 1% 0.93K to 0.93K | (42%) |
| 30-Oct-06 10:00 PM View: | Keithley Instruments Inc. (KEI) | 01-Jul-06 | Acquisition (other) | 124 | $12.09 | $1,499.59 | 15% 0.81K to 0.93K | (37%) |
| 30-Oct-06 10:00 PM View: | Keithley Instruments Inc. (KEI) | 30-Jun-06 | Acquisition (other) | 2 | $12.17 | $24.35 | < 1% 0.81K to 0.81K | (37%) |
| 30-Oct-06 10:00 PM View: | Keithley Instruments Inc. (KEI) | 31-Mar-06 | Acquisition (other) | 2 | $15.34 | $30.68 | < 1% 0.8K to 0.81K | (50%) |
| 30-Oct-06 10:00 PM View: | Keithley Instruments Inc. (KEI) | 30-Dec-05 | Acquisition (other) | 2 | $13.97 | $27.94 | < 1% 0.8K to 0.8K | (45%) |
| 05-Oct-05 4:47 PM View: | Keithley Instruments Inc. (KEI) | 30-Sep-05 | Acquisition (other) | 2 | $14.60 | $29.20 | < 1% 0.8K to 0.8K | (47%) |
| 05-Oct-05 4:47 PM View: | Keithley Instruments Inc. (KEI) | 01-Jul-05 | Acquisition (other) | 92 | $13.10 | $1,205.20 | 13% 0.71K to 0.8K | |
| 05-Oct-05 4:47 PM View: | Keithley Instruments Inc. (KEI) | 30-Jun-05 | Acquisition (other) | 2 | $15.80 | $31.60 | < 1% 0.7K to 0.71K | (51%) |
| 05-Oct-05 4:47 PM View: | Keithley Instruments Inc. (KEI) | 31-Mar-05 | Acquisition (other) | 1 | $15.89 | $15.89 | < 1% 0.7K to 0.7K | (51%) |
| 05-Oct-05 4:47 PM View: | Keithley Instruments Inc. (KEI) | 07-Jan-05 | Acquisition (other) | 77 | $15.56 | $1,197.73 | 12% 0.63K to 0.7K | |
| 05-Oct-05 4:47 PM View: | Keithley Instruments Inc. (KEI) | 31-Dec-04 | Acquisition (other) | 2 | $19.67 | $39.34 | < 1% 0.63K to 0.63K | (61%) |
| 05-Oct-05 4:47 PM View: | Keithley Instruments Inc. (KEI) | 30-Sep-04 | Acquisition (other) | 1 | $17.60 | $17.60 | < 1% 0.62K to 0.63K | (56%) |