Sono-Tek Corp
Ownership
Ownership Structure
Who owns Sono-Tek Corp (SOTK)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 49.2% of the shares are freely tradable; institutional investors hold 43.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Capital Management, LLC | 2.37 | 372,812 | +3.2 | 06/30/2026 |
| Geode Capital Management, LLC | 0.95 | 149,669 | +10.0 | 06/30/2026 |
| Renaissance Technologies Corp | 0.73 | 115,000 | +29.1 | 06/30/2026 |
| M&T Bank Corp | 0.51 | 80,000 | +0.0 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 0.44 | 68,974 | +581.6 | 06/30/2026 |
| Vanguard Fiduciary Trust Co | 0.43 | 67,337 | +0.8 | 06/30/2026 |
| Stifel Financial Corp | 0.38 | 60,000 | +0.0 | 06/30/2026 |
| Bard Associates Inc | 0.36 | 57,102 | +8.9 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 1.41 | 222,267 | +0.0 | 09/30/2026 |
| Fidelity Extended Market Index | 0.43 | 67,318 | -0.5 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Coccio Christopher L | Director | 298,708 | 1,403,928 $ | Oct 5, 2026 | direct |
| Harshbarger R Stephen | CEO | 272,163 | 1,279,166 $ | Oct 6, 2026 | direct |
| Riemer Joseph | Director | 28,655 | 134,679 $ | Oct 12, 2026 | direct |
| Bagley Stephen James | CFO | 27,093 | 127,337 $ | Oct 12, 2026 | direct |
| Kuha Maria T | VP | 7,455 | 35,039 $ | Oct 14, 2026 | direct |
| Cichetti Christopher | COO | 5,174 | 24,318 $ | Oct 8, 2026 | direct |
| Booth Brian Lewis | Vice President | 4,132 | 19,420 $ | Oct 6, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 14, 2026 | Kuha Maria T | VP | Other | 2,506 | 7.12 | 17,843 |
| Oct 14, 2026 | Kuha Maria T | VP | Other | 5,488 | 3.25 | 17,836 |
| Oct 14, 2026 | Kuha Maria T | VP | Other | 4,468 | 7.12 | 31,812 |
| Oct 14, 2026 | Kuha Maria T | VP | Other | 7,722 | 4.12 | 31,815 |
| Oct 14, 2026 | Kuha Maria T | VP | Other | 1,031 | 7.12 | 7,341 |
| Oct 14, 2026 | Kuha Maria T | VP | Other | 1,650 | 4.45 | 7,343 |
| Oct 12, 2026 | Riemer Joseph | Director | Other | 1,450 | 7.08 | 10,266 |
| Oct 12, 2026 | Riemer Joseph | Director | Other | 3,158 | 3.25 | 10,264 |
| Oct 12, 2026 | Riemer Joseph | Director | Other | 2,483 | 7.08 | 17,580 |
| Oct 12, 2026 | Riemer Joseph | Director | Other | 4,267 | 4.12 | 17,580 |
| Oct 12, 2026 | Riemer Joseph | Director | Other | 2,487 | 7.08 | 17,608 |
| Oct 12, 2026 | Riemer Joseph | Director | Other | 3,676 | 4.79 | 17,608 |
| Oct 12, 2026 | Riemer Joseph | Director | Other | 736 | 7.08 | 5,211 |
| Oct 12, 2026 | Riemer Joseph | Director | Other | 3,300 | 5.50 | 18,150 |
| Oct 12, 2026 | Riemer Joseph | Director | Other | 2,726 | 7.08 | 19,300 |
| Oct 12, 2026 | Riemer Joseph | Director | Other | 6,050 | 3.19 | 19,300 |
| Oct 12, 2026 | Riemer Joseph | Director | Other | 749 | 7.08 | 5,303 |
| Oct 12, 2026 | Riemer Joseph | Director | Other | 2,000 | 2.65 | 5,300 |
| Oct 12, 2026 | Bagley Stephen James | CFO | Other | 4,494 | 7.08 | 31,818 |
| Oct 12, 2026 | Bagley Stephen James | CFO | Other | 7,722 | 4.12 | 31,815 |
| Oct 8, 2026 | Cichetti Christopher | COO | Other | 4,804 | 6.75 | 32,427 |
| Oct 8, 2026 | Cichetti Christopher | COO | Other | 9,978 | 3.25 | 32,429 |
| Oct 6, 2026 | Booth Brian Lewis | Vice President | Other | 1,226 | 6.81 | 8,349 |
| Oct 6, 2026 | Booth Brian Lewis | Vice President | Other | 2,027 | 4.12 | 8,351 |
| Oct 6, 2026 | Booth Brian Lewis | Vice President | Other | 1,572 | 6.81 | 10,705 |
| Oct 6, 2026 | Booth Brian Lewis | Vice President | Other | 3,293 | 3.25 | 10,702 |
| Oct 6, 2026 | Harshbarger R Stephen | CEO | Other | 6,286 | 6.81 | 42,808 |
| Oct 6, 2026 | Harshbarger R Stephen | CEO | Other | 13,171 | 3.25 | 42,806 |
| Oct 5, 2026 | Coccio Christopher L | Director | Other | 6,897 | 6.20 | 42,761 |
| Oct 5, 2026 | Coccio Christopher L | Director | Other | 13,158 | 3.25 | 42,764 |
| Oct 5, 2026 | Bagley Stephen James | CFO | Other | 2,877 | 6.20 | 17,837 |
| Oct 5, 2026 | Bagley Stephen James | CFO | Other | 5,488 | 3.25 | 17,836 |
| Jul 30, 2026 | Bagley Stephen James | CFO | Sell | 8,346 | 5.13 | 42,815 |
| Jul 27, 2026 | Bagley Stephen James | CFO | Sell | 1,200 | 5.08 | 6,090 |
| Jul 23, 2026 | Bagley Stephen James | CFO | Sell | 3,454 | 5.43 | 18,759 |
| Jul 21, 2026 | Coccio Christopher L | Director | Sell | 17,000 | 5.38 | 91,375 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 3, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.