SOTK's three largest insider shareholders as of March 23, 2026 are Christopher L Coccio (Director, 309.45K shares), R Stephen Harshbarger (Ceo, 265.28K shares), Donald F Mowbray (Director, 64.86K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Christopher L Coccio | 309,447 | 0 | 24 Oct, 2025 | |
| R Stephen Harshbarger | Ceo | 265,278 | 0 | 28 Jan, 2025 |
| Donald F Mowbray | 64,864 | 0 | 27 Feb, 2024 | |
| Robb William Engle | Vp | 53,443 | 0 | 01 Feb, 2024 |
| Stephen James Bagley | Cfo | 34,254 | 0 | 20 Aug, 2025 |
| Philip A Strasburg | 28,118 | 0 | 24 Jul, 2025 | |
| Carol A O'Donnell | 22,000 | 0 | 10 Feb, 2022 | |
| Joseph Riemer | 18,662 | 0 | 08 Feb, 2024 | |
| Eric Haskell | 9,159 | 0 | 04 Nov, 2022 | |
| Bennett Bruntil | Vp | 8,631 | 0 | 19 Jan, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 23 Oct, 2025 | Christopher L Coccio | Common Stock | D | 12,320 | $4.78 | 309,447 | D | S |
| 21 Oct, 2025 | Christopher L Coccio | Common Stock | D | 100 | $4.67 | 325,979 | D | S |
| 21 Oct, 2025 | Christopher L Coccio | Common Stock | D | 100 | $4.67 | 325,879 | D | S |
| 21 Oct, 2025 | Christopher L Coccio | Common Stock | D | 2,097 | $4.66 | 323,782 | D | S |
| 21 Oct, 2025 | Christopher L Coccio | Common Stock | D | 2,015 | $4.65 | 321,767 | D | S |
| 21 Aug, 2025 | Maria T Kuha | Sono-Tek Options | A | 12,195 | $3.25 | 27,796 | D | A |
| 21 Aug, 2025 | Eric Haskell | Sono-Tek Options | A | 7,018 | $3.25 | 35,377 | D | A |
| 21 Aug, 2025 | Carol A O'Donnell | Sono-Tek Options | A | 7,018 | $3.25 | 25,377 | D | A |
| 21 Aug, 2025 | Adeniyi Lawal | Sono-Tek Options | A | 7,018 | $3.25 | 12,351 | D | A |
| 21 Aug, 2025 | Christopher Cichetti | Sono-Tek Options | A | 21,951 | $3.25 | 79,763 | D | A |
| 21 Aug, 2025 | Kirk M Warshaw | Sono-Tek Options | A | 7,018 | $3.25 | 7,018 | D | A |
| 21 Aug, 2025 | Stephen James Bagley | Sono-Tek Options | A | 12,195 | $3.25 | 38,700 | D | A |
| 21 Aug, 2025 | R Stephen Harshbarger | Sono-Tek Options | A | 29,268 | $3.25 | 83,184 | D | A |
| 21 Aug, 2025 | Christopher L Coccio | Sono-Tek Options | A | 29,240 | $3.25 | 99,744 | D | A |
| 21 Aug, 2025 | Joseph Riemer | Sono-Tek Options | A | 7,018 | $3.25 | 27,377 | D | A |
| 18 Aug, 2025 | Stephen James Bagley | Sono-Tek Common Stock | D | 998 | $3.36 | 35,149 | D | S |
| 18 Aug, 2025 | Stephen James Bagley | Sono-tek Corp Common Stock | D | 301 | $3.34 | 34,848 | D | S |
| 18 Aug, 2025 | Stephen James Bagley | Sono-Tek Common Stock | D | 295 | $3.35 | 34,553 | D | S |
| 19 Aug, 2025 | Stephen James Bagley | Sono-Tek Common Stock | D | 299 | $3.34 | 34,254 | D | S |
| 07 Aug, 2025 | Stephen James Bagley | Sono-Tek Corp Common Stock | D | 350 | $3.33 | 36,147 | D | S |