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. 49.3% of the shares are freely tradable; institutional investors hold 43.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Capital Management, LLC | 2.30 | 361,255 | +0.0 | 03/31/2026 |
| Northwestern Mutual Wealth Management Co | 1.02 | 160,202 | +0.0 | 03/31/2026 |
| Geode Capital Management, LLC | 0.87 | 136,007 | -12.4 | 03/31/2026 |
| Renaissance Technologies Corp | 0.57 | 89,100 | +41.6 | 03/31/2026 |
| M&T Bank Corp | 0.51 | 80,000 | +0.0 | 06/30/2026 |
| Vanguard Fiduciary Trust Co | 0.43 | 66,804 | +0.0 | 03/31/2026 |
| Stifel Financial Corp | 0.38 | 60,000 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 1.41 | 222,267 | +0.0 | 07/31/2026 |
| Vanguard Institutional Extnd Mkt Idx Tr | 0.93 | 145,774 | +0.0 | 07/31/2026 |
| Fidelity Extended Market Index | 0.43 | 67,680 | -0.2 | 07/31/2026 |
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 | 292,447 | 1,345,256 $ | Jul 21, 2026 | direct |
| Bagley Stephen James | CFO | 21,254 | 97,768 $ | Jul 30, 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 |
|---|---|---|---|---|---|---|
| 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: September 18, 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.