R. Stephen Harshbarger is CEO at SONO TEK CORP (SOTK). They have made 1 open-market trade across 1 company since 2012, most recently 2026-10-06.
CIK 0001262184
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.
1 open-market purchase totalling $9K since 2012, never a sale. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| SOTK | 272,163 | $1.7M |
Shares reported on the most recent Form 4, priced at the 2026-10-07 close.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| SOTK | BUY | 2012-11-09 | 2012-11-13 | $0.62 | $9K | -2.0% | -1.3% | -1.3% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.