Sono-Tek Corporation (SOTK) Insider Trading
Over the last 3 months, SOTK insiders made 0 open-market buys and 4 sales, a net sale of -$159K (SEC Form 4). Over the last 6 months, 7 institutions increased and 6 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
4
Net (3m)
-$159.0K
Insider trades by month Buys Sells
Jul
Aug
Oct
Mar
Jul
Aug
Context3-month price -5.7%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 24, 2026 | O'DONNELL CAROL Adirector | Grant | 5,396 | $5.35 |
| Aug 24, 2026 | Booth Brian Lewisofficer: Vice President | Grant | 7,205 | $5.35 |
| Aug 24, 2026 | RIEMER JOSEPHdirector | Grant | 5,396 | $5.35 |
| Aug 24, 2026 | WARSHAW KIRK Mdirector | Grant | 5,396 | $5.35 |
| Aug 24, 2026 | COCCIO CHRISTOPHER Ldirector | Grant | 17,986 | $5.35 |
| Aug 24, 2026 | HASKELL ERICdirector | Grant | 5,396 | $5.35 |
| Aug 24, 2026 | HARSHBARGER R STEPHENdirector, officer: CEO | Grant | 17,291 | $5.35 |
| Aug 24, 2026 | Lawal Adeniyidirector | Grant | 5,396 | $5.35 |
| Aug 24, 2026 | Cichetti Christopherofficer: VP | Grant | 12,968 | $5.35 |
| Aug 24, 2026 | Kuha Maria Tofficer: VP | Grant | 7,205 | $5.35 |
| Aug 24, 2026 | Bagley Stephen Jamesofficer: CFO | Grant | 7,205 | $5.35 |
| Aug 3, 2026 | Bagley Stephen Jamesofficer: CFO | Sell | 8,346 | $5.13 |
| Jul 29, 2026 | Bagley Stephen Jamesofficer: CFO | Sell | 1,200 | $5.08 |
| Jul 27, 2026 | Bagley Stephen Jamesofficer: CFO | Sell | 3,454 | $5.43 |
| Jul 23, 2026 | COCCIO CHRISTOPHER Ldirector | Sell | 17,000 | $5.38 |
| May 4, 2026 | Booth Brian Lewisofficer: Vice President | Option | 3,299 | $5.48 |
| May 4, 2026 | Booth Brian Lewisofficer: Vice President | Option | 0 | $4.12 |
| May 4, 2026 | Booth Brian Lewisofficer: Vice President | Option | 1,650 | $4.45 |
| May 4, 2026 | Booth Brian Lewisofficer: Vice President | Option | 2,606 | $4.12 |
| Mar 24, 2026 | Lawal Adeniyidirector | Buy | 2,400 | $4.12 |
| Oct 24, 2025 | COCCIO CHRISTOPHER Ldirector | Sell | 12,320 | $4.78 |
| Oct 23, 2025 | COCCIO CHRISTOPHER Ldirector | Sell | 2,097 | $4.66 |
| Oct 23, 2025 | COCCIO CHRISTOPHER Ldirector | Sell | 2,015 | $4.65 |
| Oct 23, 2025 | COCCIO CHRISTOPHER Ldirector | Sell | 100 | $4.67 |
| Aug 25, 2025 | RIEMER JOSEPHdirector | Grant | 7,018 | $3.25 |
| Aug 25, 2025 | HASKELL ERICdirector | Grant | 7,018 | $3.25 |
| Aug 25, 2025 | HARSHBARGER R STEPHENofficer: CEO | Grant | 29,268 | $3.25 |
| Aug 25, 2025 | Cichetti Christopherofficer: VP | Grant | 21,951 | $3.25 |
| Aug 25, 2025 | Kuha Maria Tofficer: VP | Grant | 12,195 | $3.25 |
| Aug 25, 2025 | Lawal Adeniyidirector | Grant | 7,018 | $3.25 |
Source: SOTK SEC Form 4 filings, latest Aug 24, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SOTK positions over the last 6 months (SEC Form 13F).
Increased
7
New positions
6
Reduced
6
Sold out
28
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 361K | May 15, 2026 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | New Position | 160K | May 7, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 136K | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 89K | May 14, 2026 |
| M&T BANK CORP | Reduced | 80K | May 12, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 67K | May 8, 2026 |
| STIFEL FINANCIAL CORP | Unchanged | 60K | May 12, 2026 |
| BARD ASSOCIATES INC | Increased | 52K | May 8, 2026 |
| BENIN MANAGEMENT CORP | Unchanged | 44K | Apr 10, 2026 |
| NORTHERN TRUST CORP | Increased | 43K | May 14, 2026 |
| BEAUMONT FINANCIAL ADVISORS, LLC | Unchanged | 37K | May 5, 2026 |
| TOPLINE CAPITAL MANAGEMENT, LLC | Reduced | 35K | May 15, 2026 |
| CITADEL ADVISORS LLC | Increased | 24K | May 15, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 22K | May 7, 2026 |
| HM PAYSON & CO | Unchanged | 22K | Apr 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.