Mark D. Burish is Director & 10% Owner at SONIC FOUNDRY INC (SOFO). They have made 24 open-market trades across 1 company since 2010, most recently 2023-04-05.
CIK 0001170370
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.
24 open-market purchases totalling $2.5M since 2010, never a sale. Across 24 scored buys the stock is down 1.7% at ninety days, and 2.4 points behind the S&P over the same stretch.
24 scored purchases · one row per filing · discretionary only
| Ticker | Shares | Value |
|---|---|---|
| SOFO | 4,860,726 | $1.7M |
Shares reported on the most recent Form 4, priced at the 2023-04-05 close.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 4% | 4% | 8% |
| Avg Move | -7.6% | -1.2% | -1.7% |
| Alpha | -2.6% | -1.3% | -2.4% |
| Scored | 24 | 24 | 24 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| SOFO | BUY | 2017-03-07 | 2017-03-09 | $3.96 | $127K | -5.9% | -0.4% | -14.7% |
| SOFO | BUY | 2017-02-23 | 2017-02-27 | $4.94 | $39K | -1.6% | -4.0% | -17.5% |
| SOFO | BUY | 2016-03-03 | 2016-03-07 | $5.46 | $120K | +2.8% | +14.9% | +2.2% |
| SOFO | BUY | 2015-12-15 | 2015-12-16 | $5.50 | $110K | -8.5% | -9.1% | +20.2% |
| SOFO | BUY | 2015-08-18 | 2015-08-31 | $6.49 | $33K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2014-12-22 | 2014-12-23 | $8.36 | $300K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2014-03-06 | 2014-03-07 | $9.92 | $24K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2014-02-19 | 2014-02-24 | $9.40 | $102K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2013-08-13 | 2013-08-15 | $8.49 | $85K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2013-07-30 | 2013-08-01 | $8.90 | $96K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2012-12-12 | 2012-12-13 | $6.41 | $64K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2012-08-24 | 2012-08-28 | $7.25 | $145K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2012-06-04 | 2012-06-06 | $7.10 | $136K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2012-03-05 | 2012-03-06 | $7.40 | $37K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2012-02-02 | 2012-02-06 | $7.40 | $54K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2011-11-23 | 2011-11-28 | $7.34 | $44K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2011-11-07 | 2011-11-08 | $9.00 | $441K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2011-08-05 | 2011-08-09 | $12.40 | $124K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2011-05-13 | 2011-05-16 | $12.88 | $88K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2011-05-09 | 2011-05-12 | $12.86 | $41K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2010-12-17 | 2010-12-20 | $13.73 | $206K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2010-08-18 | 2010-08-31 | $10.65 | $23K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2010-08-16 | 2010-08-18 | $10.34 | $65K | -8.5% | -1.5% | -1.5% |
| SOFO | BUY | 2010-08-12 | 2010-08-12 | $9.29 | $15K | -8.5% | -1.5% | -1.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.