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Tarnok Michael P.

Insider transactions at 1 company

This page shows all SEC Form 4 filings attributed to Tarnok Michael P.. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.

DYAI
Company Title Type Shares Price Value Date
DYAI Option Exercise 10,776 Jun 20, 2025
DYAI Option Exercise 23,585 Jan 2, 2025
DYAI Option Exercise 6,250 $0.97 $6,063 Nov 22, 2024
DYAI Option Exercise 7,500 $1.36 $10,200 May 21, 2024
DYAI Option Exercise 27,174 Jan 3, 2024
0001114220 Award / Grant 10,000 Jun 17, 2015
0001114220 Purchase 10,000 $9.73 $97,300 May 6, 2015
0001114220 Award / Grant 10,000 Jun 24, 2014
0001114220 Award / Grant 15,000 Jun 19, 2013
0001114220 Award / Grant 15,000 Jun 22, 2012
0001114220 Award / Grant 15,000 Jun 20, 2012
0001114220 Purchase 17,500 $1.55 $27,125 Apr 5, 2012
0001114220 Purchase 15,000 $3.10 $46,500 Aug 10, 2011
0001114220 Award / Grant 15,000 Jun 16, 2010
0001114220 Award / Grant 25,000 Jun 16, 2009
0001114220 Purchase 40,000 $0.46 $18,400 May 26, 2009
0001114220 Interim CEO Award / Grant 100,000 Apr 29, 2009
0001114220 Award / Grant 50,000 Nov 14, 2008
0001114220 Purchase 1,100 $8.71 $9,581 Nov 19, 2007