David R. Zimmer is Director at TWIN DISC INC (TWIN). They have made 12 open-market trades across 2 companies since 2006, most recently 2023-08-23.
CIK 0001227478
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.
2 open-market purchases totalling $28K since 2007, against 10 sales. Too few scored purchases to measure a record yet.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| TWIN | SELL | 2017-11-07 | 2017-11-08 | $24.96 | $37K | +6.0% | +5.0% | +12.1% |
| STRT | SELL | 2014-04-28 | 2014-04-29 | $67.00 | $40K | -8.3% | +0.8% | +0.8% |
| TWIN | SELL | 2014-01-31 | 2014-01-31 | $23.69 | $36K | -14.8% | +1.9% | +1.9% |
| TWIN | SELL | 2011-04-26 | 2011-04-27 | $34.30 | $247K | -14.8% | +1.9% | +1.9% |
| TWIN | SELL | 2010-11-19 | 2010-11-23 | $24.37 | $54K | -14.8% | +1.9% | +1.9% |
| TWIN | SELL | 2010-08-27 | 2010-08-27 | $12.00 | $43K | -14.8% | +1.9% | +1.9% |
| TWIN | BUY | 2008-10-28 | 2008-10-29 | $6.72 | $13K | -14.8% | +1.9% | +1.9% |
| TWIN | SELL | 2008-02-06 | 2008-02-08 | $16.33 | $51K | -14.8% | +1.9% | +1.9% |
| TWIN | SELL | 2008-02-04 | 2008-02-06 | $17.18 | $84K | -14.8% | +1.9% | +1.9% |
| TWIN | SELL | 2007-08-30 | 2007-08-31 | $53.77 | $109K | -14.8% | +1.9% | +1.9% |
| STRT | BUY | 2007-08-28 | 2007-08-28 | $48.77 | $15K | -8.3% | +0.8% | +0.8% |
| TWIN | SELL | 2006-05-23 | 2006-05-25 | $30.57 | $214K | -14.8% | +1.9% | +1.9% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.