Key facts
- This page summarizes Michael P. Tarnok's Form 4 filing for DYADIC INTERNATIONAL INC (DYAI).
- 4 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 07 Jan 2025, 06:07.
Michael P. Tarnok - 02 Jan 2025 Form 4 Insider Report for DYADIC INTERNATIONAL INC (DYAI)
- Reporting relationship
- Director
- Issuer ticker
- DYAI
- Reported as of
- 02 Jan 2025
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 07 Jan 2025, 06:07:38 UTC
- Prior SEC filing
- 25 Nov 2024
- Next SEC filing
- 24 Jun 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Ping Rawson, attorney-in-fact
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Michael P. Tarnok filed Form 4 for DYADIC INTERNATIONAL INC (DYAI) on 07 Jan 2025.
Change
- Previous filing in this sequence was filed on 25 Nov 2024.
- 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.
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
DYAI
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +23,585
- Change %
- +9.6%
- Price
- Shares after
- 270,257
- Date
- 02 Jan 2025
- Ownership
- Direct
- Footnotes
- F1
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
DYAI
transaction
Derivative
Restricted Stock Unit
Options Exercise
- Transaction value
- $0
- Shares
- -23,585
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 02 Jan 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 23,585
- Exercise price
- Footnotes
- F1, F5
DYAI
transaction
Derivative
Stock Option
Award
- Transaction value
- $0
- Shares
- +25,000
- Change %
- Price
- $0.000000
- Shares after
- 25,000
- Date
- 02 Jan 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 25,000
- Exercise price
- $1.74
- Footnotes
- F2
DYAI
transaction
Derivative
Restricted Stock Unit
Award
- Transaction value
- $0
- Shares
- +10,776
- Change %
- Price
- $0.000000
- Shares after
- 10,776
- Date
- 02 Jan 2025
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 10,776
- Exercise price
- Footnotes
- F1, F3, F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 5 footnotes
Footnote F1
Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
Footnote F2
Annual grant of stock options.
Footnote F3
Receipt of restricted stock units as a result of reduction in directors' cash compensation.
Footnote F4
The restricted stock units will be settled 100% in Issuer's common stock when vested on June 15, 2025.
Footnote F5
The restricted stock units previously issued and vested upon one year of service were settled 100% in Issuer's common stock.