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| SEC Filing | Company/Stock | Trade Date | Transaction | Shares | Avg. Price | Total | % Holdings | Gain/Loss |
|---|---|---|---|---|---|---|---|---|
| 10-Dec-10 10:06 AM View:  | Keithley Instruments Inc. (KEI) | 08-Dec-10 | Disposition | 10,135 | $21.60 | $218,916.00 | (100%) 10.13K to 0 | < 1% |
| 29-Oct-10 12:33 PM View: | Keithley Instruments Inc. (KEI) | 27-Oct-10 | Payment of Exercise | 1,822 | $21.53 | $39,227.70 | (15%) 11.96K to 10.13K | (< 1%) |
| 29-Oct-10 12:33 PM View: | Keithley Instruments Inc. (KEI) | 27-Oct-10 | Option Exercise | 5,700 | -- | -- | 91% 6.26K to 11.96K | |
| 29-Oct-10 12:33 PM View: | Keithley Instruments Inc. (KEI) | 05-Oct-10 | Acquisition (other) | 7 | $21.45 | $150.13 | < 1% 6.25K to 6.26K | < 1% |
| 29-Oct-10 12:33 PM View: | Keithley Instruments Inc. (KEI) | 06-Jul-10 | Acquisition (other) | 18 | $8.98 | $161.64 | < 1% 6.23K to 6.25K | 141% |
| 29-Oct-10 12:33 PM View: | Keithley Instruments Inc. (KEI) | 06-Apr-10 | Acquisition (other) | 7 | $6.59 | $46.11 | < 1% 6.22K to 6.23K | 230% |
| 29-Oct-10 12:33 PM View: | Keithley Instruments Inc. (KEI) | 06-Jan-10 | Acquisition (other) | 10 | $4.55 | $45.52 | < 1% 6.21K to 6.22K | 378% |
| 12-Nov-09 10:13 AM View: | Keithley Instruments Inc. (KEI) | 30-Sep-09 | Acquisition (other) | 9 | $5.75 | $51.75 | < 1% 6.21K to 6.21K | (3%) |
| 12-Nov-09 10:13 AM View: | Keithley Instruments Inc. (KEI) | 30-Jun-09 | Acquisition (other) | 14 | $3.74 | $52.40 | < 1% 6.19K to 6.21K | 92% |
| 10-Jun-09 3:13 PM View: | Keithley Instruments Inc. (KEI) | 08-Jun-09 | Option Exercise | 1,000 | $4.12 | $4,125.00 | 19% 5.19K to 6.19K | 75% |
| 10-Jun-09 3:13 PM View: | Keithley Instruments Inc. (KEI) | 31-Mar-09 | Acquisition (other) | 32 | $3.33 | $106.55 | < 1% 5.16K to 5.19K | 109% |
| 09-Feb-09 5:09 PM View: | Keithley Instruments Inc. (KEI) | 31-Dec-08 | Acquisition (other) | 29 | $3.72 | $107.91 | < 1% 5.13K to 5.16K | 86% |
| 10-Nov-08 12:10 PM View: | Keithley Instruments Inc. (KEI) | 06-Nov-08 | Payment of Exercise | 1,129 | $3.62 | $4,086.98 | (18%) 6.26K to 5.13K | (94%) |
| 10-Nov-08 12:10 PM View: | Keithley Instruments Inc. (KEI) | 06-Nov-08 | Option Exercise | 3,375 | -- | -- | 117% 2.88K to 6.26K | |
| 10-Nov-08 12:10 PM View: | Keithley Instruments Inc. (KEI) | 30-Sep-08 | Acquisition (other) | 10 | $8.40 | $83.98 | < 1% 2.88K to 2.88K | (12%) |
| 10-Nov-08 12:10 PM View: | Keithley Instruments Inc. (KEI) | 30-Jun-08 | Acquisition (other) | 12 | $9.67 | $116.04 | < 1% 2.86K to 2.88K | (23%) |
| 10-Nov-08 12:10 PM View: | Keithley Instruments Inc. (KEI) | 31-Mar-08 | Acquisition (other) | 12 | $9.86 | $118.32 | < 1% 2.85K to 2.86K | (24%) |
| 10-Nov-08 12:10 PM View: | Keithley Instruments Inc. (KEI) | 31-Dec-07 | Acquisition (other) | 11 | $9.72 | $106.92 | < 1% 2.84K to 2.85K | (23%) |
| 31-Oct-07 10:00 PM View: | Keithley Instruments Inc. (KEI) | 28-Sep-07 | Acquisition (other) | 10 | $10.60 | $105.99 | < 1% 2.83K to 2.84K | (29%) |
| 01-Aug-07 5:14 PM View: | Keithley Instruments Inc. (KEI) | 31-Jul-07 | Option Exercise | 1,200 | $5.72 | $6,862.56 | 74% 1.63K to 2.83K | |
| 01-Aug-07 5:14 PM View: | Keithley Instruments Inc. (KEI) | 29-Jun-07 | Acquisition (other) | 5 | $12.68 | $63.38 | < 1% 1.63K to 1.63K | (41%) |
| 01-Aug-07 5:14 PM View: | Keithley Instruments Inc. (KEI) | 30-Mar-07 | Acquisition (other) | 4 | $15.19 | $60.76 | < 1% 1.62K to 1.63K | (50%) |
| 01-Feb-07 11:37 AM View: | Keithley Instruments Inc. (KEI) | 29-Dec-06 | Acquisition (other) | 4 | $13.36 | $53.44 | < 1% 1.62K to 1.62K | (43%) |
| 30-Oct-06 10:00 PM View: | Keithley Instruments Inc. (KEI) | 29-Sep-06 | Acquisition (other) | 5 | $13.08 | $65.40 | < 1% 1.61K to 1.62K | (42%) |
| 30-Oct-06 10:00 PM View: | Keithley Instruments Inc. (KEI) | 30-Jun-06 | Acquisition (other) | 5 | $12.17 | $60.86 | < 1% 1.61K to 1.61K | (37%) |
| 30-Oct-06 10:00 PM View: | Keithley Instruments Inc. (KEI) | 31-Mar-06 | Acquisition (other) | 4 | $15.34 | $61.36 | < 1% 1.6K to 1.61K | (50%) |
| 30-Oct-06 10:00 PM View: | Keithley Instruments Inc. (KEI) | 30-Dec-05 | Acquisition (other) | 5 | $13.97 | $69.85 | < 1% 1.6K to 1.6K | (45%) |
| 05-Oct-05 4:25 PM View: | Keithley Instruments Inc. (KEI) | 30-Sep-05 | Acquisition (other) | 4 | $14.60 | $58.40 | < 1% 1.59K to 1.6K | (47%) |
| 05-Oct-05 4:25 PM View: | Keithley Instruments Inc. (KEI) | 30-Jun-05 | Acquisition (other) | 3 | $15.80 | $47.40 | < 1% 1.59K to 1.59K | (51%) |
| 05-Oct-05 4:25 PM View: | Keithley Instruments Inc. (KEI) | 31-Mar-05 | Acquisition (other) | 4 | $15.89 | $63.56 | < 1% 1.59K to 1.59K | (51%) |
| 05-Oct-05 4:25 PM View: | Keithley Instruments Inc. (KEI) | 31-Dec-04 | Acquisition (other) | 3 | $19.67 | $59.01 | < 1% 1.58K to 1.59K | (61%) |
| 05-Oct-05 4:25 PM View: | Keithley Instruments Inc. (KEI) | 30-Sep-04 | Acquisition (other) | 4 | $17.60 | $70.40 | < 1% 1.58K to 1.58K | (56%) |
| 19-Jul-04 3:26 PM View: | Keithley Instruments Inc. (KEI) | 30-Jun-04 | Acquisition (other) | 2 | $21.88 | $43.77 | < 1% 1.58K to 1.58K | (64%) |
| 06-May-04 10:00 PM View: | Keithley Instruments Inc. (KEI) | 05-May-04 | Option Exercise | 5,000 | $4.12 | $20,625.00 | 317% 1.58K to 6.58K | |
| 06-May-04 10:00 PM View: | Keithley Instruments Inc. (KEI) | 05-May-04 | Market Option Sale | 5,000 | $21.75 | $108,750.00 | (76%) 6.58K to 1.58K | 64% |
| 03-May-04 10:00 PM View: | Keithley Instruments Inc. (KEI) | 30-Apr-04 | Option Exercise | 2,000 | $4.12 | $8,250.00 | 127% 1.57K to 3.58K | |
| 03-May-04 10:00 PM View: | Keithley Instruments Inc. (KEI) | 30-Apr-04 | Market Option Sale | 2,000 | $21.00 | $42,000.00 | (56%) 3.58K to 1.57K | 63% |
| 03-May-04 10:00 PM View: | Keithley Instruments Inc. (KEI) | 31-Mar-04 | Acquisition (other) | 3 | $20.73 | $62.19 | < 1% 1.57K to 1.58K | (62%) |
| 02-Mar-04 10:00 PM View: | Keithley Instruments Inc. (KEI) | 01-Mar-04 | Option Exercise | 2,000 | $4.12 | $8,250.00 | 127% 1.57K to 3.58K | |
| 02-Mar-04 10:00 PM View: | Keithley Instruments Inc. (KEI) | 01-Mar-04 | Market Option Sale | 2,000 | $22.00 | $44,005.00 | (56%) 3.58K to 1.57K | 64% |
| 05-Feb-04 10:00 PM View: | Keithley Instruments Inc. (KEI) | 03-Feb-04 | Option Exercise | 4,000 | $2.93 | $11,718.90 | 254% 1.57K to 5.58K | |
| 05-Feb-04 10:00 PM View: | Keithley Instruments Inc. (KEI) | 03-Feb-04 | Market Option Sale | 4,000 | $24.33 | $97,334.00 | (72%) 5.58K to 1.57K | 68% |