Comparable stake leader
Emancipation Management LLC
SEC ownership of SONO TEK CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000806172.
Disclosed value leader
Emancipation Management LLC
Comparable rows
2/47
Latest evidence
14 Oct 2026
- Public ticker
- SOTK on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Emancipation Management LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
2 of 47
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Emancipation Management LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
14 Oct 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000806172
- Issuer location
- Milton, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of SONO TEK CORP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Emancipation Management LLC
Disclosed value leader
Emancipation Management LLC
Comparable rows
2/47
Latest evidence
14 Oct 2026
13D/G
13F
3/4/5
Lead comparable stake: 35%
45 rows are not safely comparable across share classes.
13D/G row: Emancipation Management LLC
Showing 1-8 of 47 holder rows.
Quick read
Emancipation Management LLC leads the comparable SEC ownership view at 35%.
2 of 47 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Emancipation Management LLC's linked filing trail.
Comparable ownership
Top 2
Emancipation Management LLC
35%
Dawn Cupero
5.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 47 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Emancipation Management LLC |
13D/G
|
35%
Reported 13D/G
· 31 Dec 2024
|
$20,191,872
5,472,052 shares
|
$0 | 31 Dec 2024 |
| Dawn Cupero |
13D/G
|
5.9%
Reported 13D/G
· 25 Nov 2024
|
$3,410,626
924,289 shares
|
$0 | 25 Nov 2024 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$2,281,609
372,812 shares
|
— | 30 Jun 2026 |
| Christopher L. Coccio |
3/4/5
Director
|
—
mixed-class rows
|
$2,152,260
403,280 shares
mixed-class rows
|
-$91,375 | 05 Oct 2026 |
| R. Stephen Harshbarger |
3/4/5
CEO, Director
|
—
mixed-class rows
|
$1,935,985
359,467 shares
mixed-class rows
|
— | 06 Oct 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$916,191
149,669 shares
|
— | 30 Jun 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
denominator unverified
|
$703,800
115,000 shares
|
— | 30 Jun 2026 |
| Donald F. Mowbray |
3/4/5
Director
|
—
mixed-class rows
|
$516,221
94,590 shares
mixed-class rows
|
— | 26 Feb 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$149,151.
Buys
$9,888
Insiders: 1
Sells
$159,039
Insiders: 2
Net
-$149,151
Shares: -27,600
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 2,400
Shares: 30,000
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 30,000 | $0 | $159,039 | -$159,039 |
| 6-9 | 2,400 | 0 | $9,888 | $0 | +$9,888 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-15 of 15 reporting-owner rows connected to SONO TEK CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
15
Largest Forms 3/4/5 holder
Christopher L. Coccio
Net 12M change
-$149.15K
Full value: -$149,151 · USD · 12-month changeLatest report
14 Oct 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Christopher L. Coccio | Director | $2,152,260 | -$91,375 | -4.1% | Mixed | 05 Oct 2026 |
| R. Stephen Harshbarger | CEO, Director | $1,935,985 | Mixed | 06 Oct 2026 | ||
| Donald F. Mowbray | Director | $516,221 | Mixed | 26 Feb 2024 | ||
| Robb William Engle | Officer | $388,351 | Mixed | 30 Jan 2024 | ||
| Stephen J. Bagley | Cfo | $291,584 | -$67,664 | -19% | Mixed | 12 Oct 2026 |
| Christopher Cichetti | Coo | $290,893 | Mixed | 08 Oct 2026 | ||
| Joseph Riemer | Director | $264,343 | Mixed | 12 Oct 2026 | ||
| Philip A. Strasburg | Director | $166,207 | Mixed | 21 Jul 2025 | ||
| Kuha Maria T. | Officer | $135,961 | Mixed | 14 Oct 2026 | ||
| Eric Haskell | Director | $114,975 | Mixed | 20 Aug 2026 | ||
| Carol A. O'Donnell | Director | $82,475 | Mixed | 20 Aug 2026 | ||
| Bennett Bruntil | Officer | $60,134 | Mixed | 17 Feb 2022 | ||
| Lawal Adeniyi | Director | $50,028 | +$9,888 | +25% | Mixed | 20 Aug 2026 |
| Kirk M. Warshaw | Director | $26,678 | Mixed | 20 Aug 2026 | ||
| Brian Lewis Booth | Vice President | $25,287 | Mixed | 06 Oct 2026 |
Recent insider transactions for SONO TEK CORP
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Kuha Maria T. | SOTK | SOTK Common Stock | Tax liability | -86.8% | -8,005 | 1,219 | 14 Oct 2026 | Direct | ||
| Kuha Maria T. | SOTK | SOTK Common Stock | Options Exercise | 14,860 | 9,960 | 14 Oct 2026 | Direct | |||
| Kuha Maria T. | SOTK | SOTK Options | Disposed to Issuer | -42.5% | -14,860 | 20,141 | 14 Oct 2026 | Direct | ||
| Joseph Riemer | SOTK | SOTK Common Stock | Tax liability | -34.8% | -10,631 | 19,913 | 12 Oct 2026 | Direct | ||
| Joseph Riemer | SOTK | SOTK Common Stock | Options Exercise | 293.3% | 22,451 | 30,105 | 12 Oct 2026 | Direct | ||
| Joseph Riemer | SOTK | SOTK Options | Disposed to Issuer | -68.5% | -22,451 | 10,322 | 12 Oct 2026 | Direct | ||
| Stephen J. Bagley | SOTK | SonoTek Common Stock | Tax liability | -14.2% | -4,494 | 27,093 | 12 Oct 2026 | Direct | ||
| Stephen J. Bagley | SOTK | SonoTek Common Stock | Options Exercise | 32.4% | 7,722 | 31,587 | 12 Oct 2026 | Direct | ||
| Stephen J. Bagley | SOTK | SonoTek Options | Disposed to Issuer | -19.1% | -7,722 | 32,695 | 12 Oct 2026 | Direct | ||
| Christopher Cichetti | SOTK | Sono-Tek Common Stock | Tax liability | -48.2% | -4,804 | 5,174 | 08 Oct 2026 | Direct | ||
| Christopher Cichetti | SOTK | Sono-Tek Common Stock | Options Exercise | 9,978 | 9,978 | 08 Oct 2026 | Direct | |||
| Christopher Cichetti | SOTK | Sono-Tek Options | Disposed to Issuer | -10.7% | -9,878 | 82,753 | 08 Oct 2026 | Direct | ||
| Brian Lewis Booth | SOTK | Sono-Tek Common Stock | Tax liability | -45.6% | -2,798 | 3,331 | 06 Oct 2026 | Direct | ||
| Brian Lewis Booth | SOTK | Sono-Tek Common Stock | Options Exercise | 14000% | 5,320 | 5,358 | 06 Oct 2026 | Direct | ||
| Brian Lewis Booth | SOTK | Sono-Tek Options | Disposed to Issuer | -30% | -5,320 | 12,388 | 06 Oct 2026 | Direct | ||
| R. Stephen Harshbarger | SOTK | Sono-Tek Common Stock | Tax liability | -2.26% | -6,286 | 272,163 | 06 Oct 2026 | Direct | ||
| R. Stephen Harshbarger | SOTK | Sono-Tek Common Stock | Options Exercise | 4.96% | 13,171 | 278,449 | 06 Oct 2026 | Direct | ||
| R. Stephen Harshbarger | SOTK | Sono-Tek Options | Disposed to Issuer | -13.1% | -13,171 | 87,304 | 06 Oct 2026 | Direct | ||
| Christopher L. Coccio | SOTK | SOTK Common Stock | Tax liability | -2.26% | -6,897 | 298,708 | 05 Oct 2026 | Direct | ||
| Christopher L. Coccio | SOTK | SOTK Common Stock | Options Exercise | 4.5% | 13,158 | 305,605 | 05 Oct 2026 | Direct | ||
| Christopher L. Coccio | SOTK | Sono-Tek Options | Disposed to Issuer | -11.2% | -13,158 | 104,572 | 05 Oct 2026 | Direct | ||
| Stephen J. Bagley | SOTK | SonoTek Common Stock | Tax liability | -10.8% | -2,877 | 23,865 | 05 Oct 2026 | Direct | ||
| Stephen J. Bagley | SOTK | SonoTek Common Stock | Options Exercise | 25.8% | 5,488 | 26,742 | 05 Oct 2026 | Direct | ||
| Stephen J. Bagley | SOTK | SonoTek Options | Disposed to Issuer | -12% | -5,488 | 40,417 | 05 Oct 2026 | Direct | ||
| Kuha Maria T. | SOTK | Sono-Tek Options | Award | 25.9% | 7,205 | 35,001 | 20 Aug 2026 | Direct | ||
| Christopher Cichetti | SOTK | Sono-Tek Options | Award | 16.3% | 12,968 | 92,731 | 20 Aug 2026 | Direct | ||
| Kirk M. Warshaw | SOTK | Sono-Tek Options | Award | 76.9% | 5,396 | 12,414 | 20 Aug 2026 | Direct | ||
| Joseph Riemer | SOTK | Sono-Tek Options | Award | 19.7% | 5,396 | 32,773 | 20 Aug 2026 | Direct | ||
| Carol A. O'Donnell | SOTK | Sono-Tek Options | Award | 21.3% | 5,396 | 30,773 | 20 Aug 2026 | Direct | ||
| Brian Lewis Booth | SOTK | Sono-Tek Corp Options | Award | 68.6% | 7,205 | 17,708 | 20 Aug 2026 | Direct | ||
| Stephen James Bagley | SOTK | Sono-Tek Options | Award | 18.6% | 7,205 | 45,905 | 20 Aug 2026 | Direct | ||
| Eric Haskell | SOTK | Sono-Tek Options | Award | 15.2% | 5,396 | 40,773 | 20 Aug 2026 | Direct | ||
| R. Stephen Harshbarger | SOTK | Sono-Tek Options | Award | 20.8% | 17,291 | 100,475 | 20 Aug 2026 | Direct | ||
| Lawal Adeniyi | SOTK | Sono-Tek Options | Award | 54.2% | 5,396 | 15,347 | 20 Aug 2026 | Direct | ||
| Christopher L. Coccio | SOTK | Sono-Tek Options | Award | 18% | 17,986 | 117,730 | 20 Aug 2026 | Direct | ||
| Stephen J. Bagley | SOTK | SonoTek Common Stock | Sale | -28.2% | -$42,815 | $5.13 | -8,346 | 21,254 | 30 Jul 2026 | Direct |
| Stephen J. Bagley | SOTK | SonoTek Common Stock | Sale | -3.9% | -$6,090 | $5.08 | -1,200 | 29,600 | 27 Jul 2026 | Direct |
| Stephen J. Bagley | SOTK | Common Stock | Sale | -10.1% | -$18,759 | $5.43 | -3,454 | 30,800 | 23 Jul 2026 | Direct |
| Christopher L. Coccio | SOTK | SOTK Common Stock | Sale | -5.49% | -$91,375 | $5.38 | -17,000 | 292,447 | 21 Jul 2026 | Direct |
| Brian Lewis Booth | SOTK | Sono-Tek Corp Common Stock | Options Exercise | -67.2% | -3,299 | 1,610 | 01 May 2026 | Direct | ||
| Brian Lewis Booth | SOTK | Sono-Tek Corp Common Stock | Options Exercise | 651.8% | 4,256 | 4,909 | 01 May 2026 | Direct | ||
| Brian Lewis Booth | SOTK | Sono-Tek Corp Options | Options Exercise | 0 | 10,503 | 01 May 2026 | Direct | |||
| Lawal Adeniyi | SOTK | Common Stock | Purchase | $9,888 | $4.12 | 2,400 | 2,400 | 05 Mar 2026 | Direct | |
| Lawal Adeniyi | SOTK | Sono-Tek Options | Disposed to Issuer | -19.4% | -2,400 | 9,951 | 05 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.