Nasdaq · CIK 0001692415
CODX Co-Diagnostics, Inc.
Insider trading from SEC Form 4. Last filing May 27, 2026.
In brief
Co-Diagnostics, Inc. (CODX) has 41 SEC Form 4 filings on file from 8 insiders, the latest filed on May 27, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
Last 90 days
Signals
Open-market buys and sells at Co-Diagnostics, Inc., scored.
Transactions
The newest 50 of 89 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 23, 2026 | James B Nelson director | AGrant or award Common Stock | +1,695 | $0.00 | $0 | 10,668 | May 27, 2026 |
| May 23, 2026 | Richard David Abbott President | AGrant or award Common Stock | +1,890 | $0.00 | $0 | 4,097 | May 27, 2026 |
| May 23, 2026 | Richard S Serbin director | AGrant or award Common Stock | +1,695 | $0.00 | $0 | 10,751 | May 27, 2026 |
| May 23, 2026 | Eugene Durenard director | AGrant or award Common Stock | +1,695 | $0.00 | $0 | 10,668 | May 27, 2026 |
| May 23, 2026 | Brian Lee Brown Chief Financial Officer | AGrant or award Common Stock | +3,750 | $0.00 | $0 | 23,729 | May 27, 2026 |
| May 23, 2026 | Dwight H Egan Chief Executive Officer | AGrant or award Common Stock | +4,584 | $0.00 | $0 | 29,526 | May 27, 2026 |
| May 23, 2026 | Edward L. Murphy director | AGrant or award Common Stock | +1,695 | $0.00 | $0 | 11,084 | May 27, 2026 |
| May 23, 2026 | Eugene Durenard director | MOption exercise Restricted Stock Unitderivative | -1,695 | $0.00 | $0 | 4,000 | May 27, 2026 |
| May 23, 2026 | Brian Lee Brown Chief Financial Officer | DDisposition to issuer Common Stock | -1,350 | $5.07 | $6,845 | 22,379 | May 27, 2026 |
| May 23, 2026 | Richard David Abbott President | DDisposition to issuer Common Stock | -680 | $5.07 | $3,448 | 3,417 | May 27, 2026 |
| May 23, 2026 | James B Nelson director | MOption exercise Restricted Stock Unitderivative | -1,695 | $0.00 | $0 | 4,000 | May 27, 2026 |
| May 23, 2026 | Dwight H Egan Chief Executive Officer | DDisposition to issuer Common Stock | -1,633 | $5.07 | $8,279 | 27,893 | May 27, 2026 |
| May 23, 2026 | Richard S Serbin director | MOption exercise Restricted Stock Unitderivative | -1,695 | $0.00 | $0 | 4,000 | May 27, 2026 |
| May 23, 2026 | Edward L. Murphy director | MOption exercise Restricted Stock Unitderivative | -1,695 | $0.00 | $0 | 4,000 | May 27, 2026 |
| May 23, 2026 | Brian Lee Brown Chief Financial Officer | MOption exercise Restricted Stock Unitderivative | -3,750 | $0.00 | $0 | 7,500 | May 27, 2026 |
| May 23, 2026 | Dwight H Egan Chief Executive Officer | MOption exercise Restricted Stock Unitderivative | -4,584 | $0.00 | $0 | 9,166 | May 27, 2026 |
| May 23, 2026 | Richard David Abbott President | MOption exercise Restricted Stock Unitderivative | -1,890 | $0.00 | $0 | 7,903 | May 27, 2026 |
| Nov 23, 2025 | Richard David Abbott President | AGrant or award Common Stock | +56,667 | $0.00 | $0 | 83,402 | Nov 24, 2025 |
| Nov 23, 2025 | Brian Lee Brown Chief Financial Officer | AGrant or award Common Stock | +134,167 | $0.00 | $0 | 640,078 | Nov 24, 2025 |
| Nov 23, 2025 | Eugene Durenard director | AGrant or award Common Stock | +57,499 | $0.00 | $0 | 269,166 | Nov 24, 2025 |
| Nov 23, 2025 | Richard S Serbin director | AGrant or award Common Stock | +57,499 | $0.00 | $0 | 271,666 | Nov 24, 2025 |
| Nov 23, 2025 | James B Nelson director | AGrant or award Common Stock | +57,499 | $0.00 | $0 | 269,166 | Nov 24, 2025 |
| Nov 23, 2025 | Dwight H Egan Chief Executive Officer | AGrant or award Common Stock | +163,333 | $0.00 | $0 | 797,827 | Nov 24, 2025 |
| Nov 23, 2025 | Edward L. Murphy director | AGrant or award Common Stock | +57,499 | $0.00 | $0 | 281,666 | Nov 24, 2025 |
| Nov 23, 2025 | Edward L. Murphy director | MOption exercise Restricted Stock Unitderivative | -57,499 | $0.00 | $0 | 170,834 | Nov 24, 2025 |
| Nov 23, 2025 | Eugene Durenard director | MOption exercise Restricted Stock Unitderivative | -57,499 | $0.00 | $0 | 170,834 | Nov 24, 2025 |
| Nov 23, 2025 | Richard David Abbott President | DDisposition to issuer Common Stock | -17,200 | $0.35 | $6,020 | 66,202 | Nov 24, 2025 |
| Nov 23, 2025 | Brian Lee Brown Chief Financial Officer | DDisposition to issuer Common Stock | -40,723 | $0.35 | $14k | 599,355 | Nov 24, 2025 |
| Nov 23, 2025 | Richard S Serbin director | MOption exercise Restricted Stock Unitderivative | -57,499 | $0.00 | $0 | 170,834 | Nov 24, 2025 |
| Nov 23, 2025 | James B Nelson director | MOption exercise Restricted Stock Unitderivative | -57,499 | $0.00 | $0 | 170,834 | Nov 24, 2025 |
| Nov 23, 2025 | Dwight H Egan Chief Executive Officer | DDisposition to issuer Common Stock | -49,575 | $0.35 | $17k | 748,252 | Nov 24, 2025 |
| Nov 23, 2025 | Richard David Abbott President | MOption exercise Restricted Stock Unitderivative | -56,667 | $0.00 | $0 | 293,771 | Nov 24, 2025 |
| Nov 23, 2025 | Brian Lee Brown Chief Financial Officer | MOption exercise Restricted Stock Unitderivative | -134,167 | $0.00 | $0 | 337,500 | Nov 24, 2025 |
| Nov 23, 2025 | Dwight H Egan Chief Executive Officer | MOption exercise Restricted Stock Unitderivative | -163,333 | $0.00 | $0 | 412,500 | Nov 24, 2025 |
| Aug 13, 2025 | Richard David Abbott President | AGrant or award Restricted Stock Unitsderivative | +220,000 | $0.00 | $0 | 350,438 | Aug 15, 2025 |
| Aug 13, 2025 | Brian Lee Brown Chief Financial Officer | AGrant or award Restricted Stock Unitsderivative | +225,000 | $0.00 | $0 | 471,667 | Aug 15, 2025 |
| Aug 13, 2025 | Ted Murphy director | AGrant or award Restricted Stock Unitsderivative | +125,000 | $0.00 | $0 | 228,333 | Aug 15, 2025 |
| Aug 13, 2025 | Richard S Serbin director | AGrant or award Restricted Stock Unitsderivative | +125,000 | $0.00 | $0 | 228,333 | Aug 15, 2025 |
| Aug 13, 2025 | James B Nelson director | AGrant or award Restricted Stock Unitsderivative | +125,000 | $0.00 | $0 | 228,333 | Aug 15, 2025 |
| Aug 13, 2025 | Eugene Durenard director | AGrant or award Restricted Stock Unitsderivative | +125,000 | $0.00 | $0 | 228,333 | Aug 15, 2025 |
| Aug 13, 2025 | Dwight H Egan Chief Executive Officer | AGrant or award Restricted Stock Unitsderivative | +275,000 | $0.00 | $0 | 575,833 | Aug 15, 2025 |
| May 23, 2025 | Dwight H Egan Chief Executive Officer | AGrant or award Common Stock | +163,334 | $0.00 | $0 | 686,191 | May 27, 2025 |
| May 23, 2025 | Richard David Abbott President | AGrant or award Common Stock | +20,000 | $0.00 | $0 | 33,915 | May 27, 2025 |
| May 23, 2025 | Brian Lee Brown Chief Financial Officer | AGrant or award Common Stock | +134,166 | $0.00 | $0 | 554,072 | May 27, 2025 |
| May 23, 2025 | Richard S Serbin director | AGrant or award Common Stock | +48,334 | $0.00 | $0 | 214,167 | May 27, 2025 |
| May 23, 2025 | Ted Murphy director | AGrant or award Common Stock | +48,334 | $0.00 | $0 | 224,167 | May 27, 2025 |
| May 23, 2025 | James B Nelson director | AGrant or award Common Stock | +48,334 | $0.00 | $0 | 211,667 | May 27, 2025 |
| May 23, 2025 | Eugene Durenard director | AGrant or award Common Stock | +48,334 | $0.00 | $0 | 211,667 | May 27, 2025 |
| May 23, 2025 | Richard David Abbott President | DDisposition to issuer Common Stock | -7,180 | $0.24 | $1,723 | 26,735 | May 27, 2025 |
| May 23, 2025 | Brian Lee Brown Chief Financial Officer | DDisposition to issuer Common Stock | -48,161 | $0.24 | $12k | 505,911 | May 27, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- Richard David AbbottPresident
- Brian Lee BrownChief Financial Officer
- Eugene Durenarddirector
- Dwight H EganChief Executive Officer
- Ted Murphydirector
- Edward L. Murphydirector
- James B Nelsondirector
- Richard S Serbindirector
Questions about CODX
Answered from the filings on this page, as of the latest one.
Are insiders buying CODX?
No. In the last 90 days no insider at Co-Diagnostics, Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade CODX on the open market?
No open-market trade has been scored at Co-Diagnostics, Inc.. The latest Form 4 on file was filed on May 27, 2026 and holds grants, exercises or other rows that are not market trades.
How many insiders file Form 4 at Co-Diagnostics, Inc.?
8 people have filed a Form 4 at Co-Diagnostics, Inc., among them Richard David Abbott (President), Brian Lee Brown (Chief Financial Officer), Eugene Durenard (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.