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"Insiders might sell their shares for any number of reasons, but they buy them for only one:
they think the price will rise" - Peter Lynch ==>> What is insider trading>> |

| Transaction & Date | Reported Date |
Company | Symbol | Insider Relationship |
Shares Traded | Average Price | Total Amount |
Shares Ownership |
Filing |
| 2008-10-23 Sale |
2008-10-28 4:08 pm | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 2,258 | $3.51 | $7,926 | 4,000 (Indirect) | View |
| 2008-04-02 Sale |
2008-04-03 09:14 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 10,000 | $3.5 | $35,000 | 6,258 (Direct) |
View |
| 2008-02-11 Sale |
2008-02-12 10:42 am |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 2,000 | $3.7 | $7,400 | 16,258 (Direct) |
View |
| 2008-01-29 Sale |
2008-01-31 09:04 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 1,337 | $3.64 | $4,867 | 18,258 (Indirect) |
View |
| 2008-01-02 Sale | 2008-01-03 11:54 am |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 4,000 | $3.62 | $14,480 | 19,595 (Direct) | View |
| 2007-10-30 Sale | 2007-11-01 10:42 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 2,000 | $3.4 | $6,800 | 23,595 (Indirect) |
View |
| 2007-06-20 Sale |
2007-07-03 1:51 pm | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 1,500 | $3 | $4,500 | 25,595 (Indirect) | View |
| 2007-06-20 Sale | 2007-07-03 1:48 pm |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 500 | $3.02 | $1,510 | 27,095 (Indirect) | View |
| 2006-06-29 Sale | 2006-06-29 10:52 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 4,000 | $2.75 | $11,000 | 53,902 (Indirect) | View |
| 2005-08-18 Sale | 2005-08-22 09:53 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 1,000 | $3 | $3,000 | 57,902 (Indirect) |
View |
| 2005-08-17 Sale | 2005-08-22 09:49 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 300 | $3 | $900 | 58,902 (Indirect) |
View |
| 2005-08-17 Sale | 2005-08-22 09:45 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 1,000 | $3 | $3,000 | 59,202 (Indirect) |
View |
| 2005-06-28 Sale |
2005-07-08 4:45 pm | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 3,000 | $3.35 | $10,050 | 60,202 (Direct) |
View |
| 2005-06-08 Sale |
2005-06-28 09:17 am |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 500 | $2.75 | $1,375 | 63,202 (Direct) |
View |
| 2005-06-08 Sale |
2005-06-28 09:13 am |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 400 | $2.65 | $1,060 | 63,702 (Direct) |
View |
| 2005-05-16 Sale | 2005-05-19 12:08 pm | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 1,000 | $2.9 | $2,900 | 64,102 (Direct) |
View |
| 2005-05-10 Sale |
2005-05-19 12:05 pm | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 393 | $2.6 | $1,022 | 65,102 (Direct) | View |
| 2005-05-04 Sale |
2005-05-06 09:02 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 2,100 | $2.5 | $5,250 | 65,495 (Direct) | View |
| 2005-05-03 Sale | 2005-05-06 08:58 am |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 400 | $2.6 | $1,040 | 67,595 (Direct) | View |
| 2005-03-29 Sale |
2005-04-08 10:07 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 500 | $2.9 | $1,450 | 67,995 (Direct) |
View |
| 2005-03-18 Sale |
2005-03-21 1:30 pm |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 3,000 | $2.75 | $8,250 | 68,495 (Direct) | View |
| 2005-02-25 Sale | 2005-02-28 10:14 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 900 | $3 | $2,700 | 71,495 (Direct) | View |
| 2005-01-31 Sale | 2005-01-31 4:29 pm | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 200 | $2.8 | $560 | 72,395 (Direct) | View |
| 2005-01-27 Sale | 2005-01-28 10:14 am |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 1,400 | $2.9 | $4,060 | 72,595 (Direct) | View |
| 2005-01-27 Sale |
2005-01-28 10:08 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 500 | $2.85 | $1,425 | 73,995 (Direct) |
View |
| 2004-11-02 Sale |
2004-11-16 2:24 pm | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 1,210 | $2.5 | $3,025 | 74,495 (Direct) |
View |
| 2004-01-30 Sale | 2004-04-13 11:57 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 1,000 | $1.65 | $1,650 | 72,705 (Direct) |
View |
| 2003-09-25 Sale | 2003-10-08 3:51 pm |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 15,000 | $1.2 | $18,000 | 76,705 (Direct) |
View |
| Transaction & Date | Reported Date | Company | Symbol | Insider Relationship | Shares Traded | Average Price |
Total Amount |
Shares Ownership |
Filing |
| 2007-12-31 Other | 2008-01-02 10:35 am |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 4,000 | $2 | $8,000 | 19,595 (Direct) |
View |
| 2007-04-19 Other |
2007-05-02 3:54 pm |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 6,000 | $3 | $18,000 | 27,595 (Indirect) | View |
| 2007-01-03 Other | 2007-01-04 2:20 pm | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 10,000 | $3.05 | $30,500 | 33,595 (Indirect) |
View |
| 2006-07-27 Other |
2006-07-28 11:22 am | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 600 | $2.5 | $1,500 | 43,595 (Direct) |
View |
| 2006-07-25 Other | 2006-07-26 3:40 pm | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 2,400 | $2.5 | $6,000 | 44,195 (Direct) |
View |
| Transaction & Date |
Reported Date | Exercisable Expiration |
Company | Symbol | Insider Relationship | Shares Traded | Conversion Price | Shares Ownership | Filing |
| 2008-03-28 Exercise | 2008-03-31 11:23 am |
2010-12-31 2010-12-31 | SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 4,000 | $1.33 | 16,258 (Direct) | View |
| 2008-03-28 Exercise |
2008-03-31 11:19 am | 2009-12-31 2009-12-21 |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 2,000 | $0.83 | 16,258 (Direct) | View |
| 2008-03-28 Exercise | 2008-03-31 11:15 am | 2008-12-31 2008-12-31 |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 4,000 | $1.88 | 16,258 (Direct) |
View |
| 2008-02-11 Exercise | 2008-02-28 3:42 pm |
2009-12-31 2009-12-31 |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 2,000 | $0.83 | 18,258 (Direct) | View |
| 2008-02-11 Exercise |
2008-02-12 10:34 am | 2009-12-31 2009-12-31 |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 2,000 | $3.7 | 18,258 (Direct) |
View |
| 2004-03-01 Exercise | 2004-03-03 2:15 pm | 1994-03-01 2004-03-01 |
SCIENTIFIC INDUSTRIES INC | SCND | KNOWLES ROGER B (Director) | 3,000 | $0.9375 | 75,705 (Direct) | View |
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