Key facts
- This page summarizes Joseph Riemer's Form 4 filing for SONO TEK CORP (SOTK).
- 18 reported transactions and 6 derivative rows are listed below.
- Accepted by SEC: 13 Oct 2026, 16:15.
Joseph Riemer - 12 Oct 2026 Form 4 Insider Report for SONO TEK CORP (SOTK)
- Reporting relationship
- Director
- Issuer ticker
- SOTK
- Reported as of
- 12 Oct 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 13 Oct 2026, 16:15:35 UTC
- Prior SEC filing
- 24 Aug 2026
- Source filing
- View source filing
- Reporting owner signature
- Joseph Riemer
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Joseph Riemer filed Form 4 for SONO TEK CORP (SOTK) on 13 Oct 2026.
Change
- Previous filing in this sequence was filed on 24 Aug 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001215582
Primary reporting owner
RIEMER JOSEPH
- Relationship
- Director
- Address
- SONO-TEK CORP, 2012 RT 9W, MILTON
- Signature
- Joseph Riemer
- Signature date
- 13 Oct 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
SOTK
transaction
SOTK Common Stock
Options Exercise
- Transaction value
- Shares
- +2,000
- Change %
- +11%
- Price
- $2.65*
- Shares after
- 20,662
- Date
- 12 Oct 2026
- Ownership
- Direct
- Footnotes
- F1
SOTK
transaction
SOTK Common Stock
Tax liability
- Transaction value
- Shares
- -749
- Change %
- -3.6%
- Price
- $7.08*
- Shares after
- 19,913
- Date
- 12 Oct 2026
- Ownership
- Direct
- Footnotes
- F7
SOTK
transaction
SOTK Common Stock
Options Exercise
- Transaction value
- Shares
- +6,050
- Change %
- +30%
- Price
- $3.19*
- Shares after
- 25,963
- Date
- 12 Oct 2026
- Ownership
- Direct
- Footnotes
- F2
SOTK
transaction
SOTK Common Stock
Tax liability
- Transaction value
- Shares
- -2,726
- Change %
- -10%
- Price
- $7.08*
- Shares after
- 23,327
- Date
- 12 Oct 2026
- Ownership
- Direct
- Footnotes
- F8
SOTK
transaction
SOTK Common Stock
Options Exercise
- Transaction value
- Shares
- +3,300
- Change %
- +14%
- Price
- $5.50*
- Shares after
- 26,537
- Date
- 12 Oct 2026
- Ownership
- Direct
- Footnotes
- F3
SOTK
transaction
SOTK Common Stock
Tax liability
- Transaction value
- Shares
- -736
- Change %
- -3%
- Price
- $7.08*
- Shares after
- 23,974
- Date
- 12 Oct 2026
- Ownership
- Direct
- Footnotes
- F9
SOTK
transaction
SOTK Common Stock
Options Exercise
- Transaction value
- Shares
- +3,676
- Change %
- +15%
- Price
- $4.79*
- Shares after
- 27,650
- Date
- 12 Oct 2026
- Ownership
- Direct
- Footnotes
- F4
SOTK
transaction
SOTK Common Stock
Tax liability
- Transaction value
- Shares
- -2,487
- Change %
- -9%
- Price
- $7.08*
- Shares after
- 25,163
- Date
- 12 Oct 2026
- Ownership
- Direct
- Footnotes
- F10
SOTK
transaction
SOTK Common Stock
Options Exercise
- Transaction value
- Shares
- +4,267
- Change %
- +17%
- Price
- $4.12*
- Shares after
- 29,430
- Date
- 12 Oct 2026
- Ownership
- Direct
- Footnotes
- F5
SOTK
transaction
SOTK Common Stock
Tax liability
- Transaction value
- Shares
- -2,483
- Change %
- -8.4%
- Price
- $7.08*
- Shares after
- 26,947
- Date
- 12 Oct 2026
- Ownership
- Direct
- Footnotes
- F11
SOTK
transaction
SOTK Common Stock
Options Exercise
- Transaction value
- Shares
- +3,158
- Change %
- +12%
- Price
- $3.25*
- Shares after
- 30,105
- Date
- 12 Oct 2026
- Ownership
- Direct
- Footnotes
- F6
SOTK
transaction
SOTK Common Stock
Tax liability
- Transaction value
- Shares
- -1,450
- Change %
- -4.8%
- Price
- $7.08*
- Shares after
- 28,655
- Date
- 12 Oct 2026
- Ownership
- Direct
- Footnotes
- F12
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
SOTK
transaction
Derivative
SOTK Options
Disposed to Issuer
- Transaction value
- Shares
- -2,000
- Change %
- -6.1%
- Price
- $2.65*
- Shares after
- 30,773
- Date
- 12 Oct 2026
- Ownership
- Direct
- Underlying class
- SOTK Common Stock
- Underlying amount
- 2,000
- Exercise price
- $2.65
- Footnotes
- F1
SOTK
transaction
Derivative
SOTK Options
Disposed to Issuer
- Transaction value
- Shares
- -6,050
- Change %
- -20%
- Price
- $3.19*
- Shares after
- 24,723
- Date
- 12 Oct 2026
- Ownership
- Direct
- Underlying class
- SOTK Common Stock
- Underlying amount
- 6,050
- Exercise price
- $3.19
- Footnotes
- F2
SOTK
transaction
Derivative
SOTK Options
Disposed to Issuer
- Transaction value
- Shares
- -3,300
- Change %
- -13%
- Price
- $5.50*
- Shares after
- 21,423
- Date
- 12 Oct 2026
- Ownership
- Direct
- Underlying class
- SOTK Common Stock
- Underlying amount
- 3,300
- Exercise price
- $5.50
- Footnotes
- F3
SOTK
transaction
Derivative
SOTK Options
Disposed to Issuer
- Transaction value
- Shares
- -3,676
- Change %
- -17%
- Price
- $4.79*
- Shares after
- 17,747
- Date
- 12 Oct 2026
- Ownership
- Direct
- Underlying class
- SOTK Common Stock
- Underlying amount
- 3,676
- Exercise price
- $4.79
- Footnotes
- F4
SOTK
transaction
Derivative
SOTK Options
Disposed to Issuer
- Transaction value
- Shares
- -4,267
- Change %
- -24%
- Price
- $4.12*
- Shares after
- 13,480
- Date
- 12 Oct 2026
- Ownership
- Direct
- Underlying class
- SOTK Common Stock
- Underlying amount
- 4,267
- Exercise price
- $4.12
- Footnotes
- F5
SOTK
transaction
Derivative
SOTK Options
Disposed to Issuer
- Transaction value
- Shares
- -3,158
- Change %
- -23%
- Price
- $3.25*
- Shares after
- 10,322
- Date
- 12 Oct 2026
- Ownership
- Direct
- Underlying class
- SOTK Common Stock
- Underlying amount
- 3,158
- Exercise price
- $3.25
- Footnotes
- F6
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 12 footnotes
Footnote F1
Reporting person exercised 2000 vested options.
Footnote F2
Reporting person exercised 6050 vested options.
Footnote F3
Reporting person exercised 3300 vested options.
Footnote F4
Reporting person exercised 3676 vested options.
Footnote F5
Reporting person exercised 4267 vested options.
Footnote F6
Reporting person exercised 3158 vested options.
Footnote F7
Reporting person surrenderred 749 shares of SOTK common stock as payment for the exercise of options.
Footnote F8
Reporting person surrenderred 2726 shares of SOTK common stock as payment for the exercise of options.
Footnote F9
Reporting person surrenderred 736 shares of SOTK common stock as payment for the exercise of options.
Footnote F10
Reporting person surrenderred 2487 shares of SOTK common stock as payment for the exercise of options.
Footnote F11
Reporting person surrenderred 2483 shares of SOTK common stock as payment for the exercise of options.
Footnote F12
Reporting person surrenderred 1450 shares of SOTK common stock as payment for the exercise of options.