CODX

Co-Diagnostics, Inc.

Insider trading activity for Co-Diagnostics, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Transaction history

The 58 most recent Form 4 transactions.

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Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
May 23	Durenard Eugene	Director	MEXER◆	1,695	—	—	—	Open the original filing on SEC.gov
May 23	Durenard Eugene	Director	AGRANT	1,695	—	—	+18.9%	Open the original filing on SEC.gov
May 23	Murphy Edward L.	Director	MEXER◆	1,695	—	—	—	Open the original filing on SEC.gov
May 23	Murphy Edward L.	Director	AGRANT	1,695	—	—	+18.1%	Open the original filing on SEC.gov
May 23	Egan Dwight H	Chief Executive Officer	MEXER◆	4,584	—	—	—	Open the original filing on SEC.gov
May 23	Egan Dwight H	Chief Executive Officer	DTOISS	1,633	$5.07	$8.3K	-5.5%	Open the original filing on SEC.gov
May 23	Egan Dwight H	Chief Executive Officer	AGRANT	4,584	—	—	+18.4%	Open the original filing on SEC.gov
May 23	Nelson James B	Director	MEXER◆	1,695	—	—	—	Open the original filing on SEC.gov
May 23	Nelson James B	Director	AGRANT	1,695	—	—	+18.9%	Open the original filing on SEC.gov
May 23	Serbin Richard S	Director	MEXER◆	1,695	—	—	—	Open the original filing on SEC.gov
May 23	Serbin Richard S	Director	AGRANT	1,695	—	—	+18.7%	Open the original filing on SEC.gov
May 23	Brown Brian Lee	Chief Financial Officer	MEXER◆	3,750	—	—	—	Open the original filing on SEC.gov
May 23	Brown Brian Lee	Chief Financial Officer	DTOISS	1,350	$5.07	$6.8K	-5.7%	Open the original filing on SEC.gov
May 23	Brown Brian Lee	Chief Financial Officer	AGRANT	3,750	—	—	+18.8%	Open the original filing on SEC.gov
May 23	Abbott Richard David	President	MEXER◆	1,890	—	—	—	Open the original filing on SEC.gov
May 23	Abbott Richard David	President	DTOISS	680	$5.07	$3.4K	-16.6%	Open the original filing on SEC.gov
May 23	Abbott Richard David	President	AGRANT	1,890	—	—	+85.6%	Open the original filing on SEC.gov
Nov 23, 2025	Durenard Eugene	Director	MEXER◆	57,499	—	—	—	Open the original filing on SEC.gov
Nov 23, 2025	Durenard Eugene	Director	AGRANT	57,499	—	—	+27.2%	Open the original filing on SEC.gov
Nov 23, 2025	Murphy Edward L.	Director	MEXER◆	57,499	—	—	—	Open the original filing on SEC.gov
Nov 23, 2025	Murphy Edward L.	Director	AGRANT	57,499	—	—	+25.7%	Open the original filing on SEC.gov
Nov 23, 2025	Egan Dwight H	Chief Executive Officer	MEXER◆	163,333	—	—	—	Open the original filing on SEC.gov
Nov 23, 2025	Egan Dwight H	Chief Executive Officer	DTOISS	49,575	$0.35	$17.4K	-6.2%	Open the original filing on SEC.gov
Nov 23, 2025	Egan Dwight H	Chief Executive Officer	AGRANT	163,333	—	—	+25.7%	Open the original filing on SEC.gov
Nov 23, 2025	Nelson James B	Director	MEXER◆	57,499	—	—	—	Open the original filing on SEC.gov
Nov 23, 2025	Nelson James B	Director	AGRANT	57,499	—	—	+27.2%	Open the original filing on SEC.gov
Nov 23, 2025	Serbin Richard S	Director	MEXER◆	57,499	—	—	—	Open the original filing on SEC.gov
Nov 23, 2025	Serbin Richard S	Director	AGRANT	57,499	—	—	+26.9%	Open the original filing on SEC.gov
Nov 23, 2025	Brown Brian Lee	Chief Financial Officer	MEXER◆	134,167	—	—	—	Open the original filing on SEC.gov
Nov 23, 2025	Brown Brian Lee	Chief Financial Officer	DTOISS	40,723	$0.35	$14.3K	-6.4%	Open the original filing on SEC.gov
Nov 23, 2025	Brown Brian Lee	Chief Financial Officer	AGRANT	134,167	—	—	+26.5%	Open the original filing on SEC.gov
Nov 23, 2025	Abbott Richard David	President	MEXER◆	56,667	—	—	—	Open the original filing on SEC.gov
Nov 23, 2025	Abbott Richard David	President	DTOISS	17,200	$0.35	$6K	-20.6%	Open the original filing on SEC.gov
Nov 23, 2025	Abbott Richard David	President	AGRANT	56,667	—	—	+212.0%	Open the original filing on SEC.gov
Aug 13, 2025	Egan Dwight H	Chief Executive Officer	AGRANT◆	275,000	—	—	—	Open the original filing on SEC.gov
Aug 13, 2025	Durenard Eugene	Director	AGRANT◆	125,000	—	—	—	Open the original filing on SEC.gov
Aug 13, 2025	Nelson James B	Director	AGRANT◆	125,000	—	—	—	Open the original filing on SEC.gov
Aug 13, 2025	Serbin Richard S	Director	AGRANT◆	125,000	—	—	—	Open the original filing on SEC.gov
Aug 13, 2025	Murphy Ted	Director	AGRANT◆	125,000	—	—	—	Open the original filing on SEC.gov
Aug 13, 2025	Brown Brian Lee	Chief Financial Officer	AGRANT◆	225,000	—	—	—	Open the original filing on SEC.gov
Aug 13, 2025	Abbott Richard David	President	AGRANT◆	220,000	—	—	—	Open the original filing on SEC.gov
May 23, 2025	Egan Dwight H	Chief Executive Officer	MEXER◆	163,334	—	—	—	Open the original filing on SEC.gov
May 23, 2025	Egan Dwight H	Chief Executive Officer	DTOISS	51,697	$0.24	$12.4K	-7.5%	Open the original filing on SEC.gov
May 23, 2025	Egan Dwight H	Chief Executive Officer	AGRANT	163,334	—	—	+31.2%	Open the original filing on SEC.gov
May 23, 2025	Serbin Richard S	Director	MEXER◆	48,334	—	—	—	Open the original filing on SEC.gov
May 23, 2025	Serbin Richard S	Director	AGRANT	48,334	—	—	+29.1%	Open the original filing on SEC.gov
May 23, 2025	Murphy Ted	Director	MEXER◆	48,334	—	—	—	Open the original filing on SEC.gov
May 23, 2025	Murphy Ted	Director	AGRANT	48,334	—	—	+27.5%	Open the original filing on SEC.gov
May 23, 2025	Durenard Eugene	Director	MEXER◆	48,334	—	—	—	Open the original filing on SEC.gov
May 23, 2025	Durenard Eugene	Director	AGRANT	48,334	—	—	+29.6%	Open the original filing on SEC.gov
May 23, 2025	Nelson James B	Director	MEXER◆	48,334	—	—	—	Open the original filing on SEC.gov
May 23, 2025	Nelson James B	Director	AGRANT	48,334	—	—	+29.6%	Open the original filing on SEC.gov
May 23, 2025	Brown Brian Lee	Chief Financial Officer	MEXER◆	134,166	—	—	—	Open the original filing on SEC.gov
May 23, 2025	Brown Brian Lee	Chief Financial Officer	DTOISS	48,161	$0.24	$11.6K	-8.7%	Open the original filing on SEC.gov
May 23, 2025	Brown Brian Lee	Chief Financial Officer	AGRANT	134,166	—	—	+31.9%	Open the original filing on SEC.gov
May 23, 2025	Abbott Richard David	President	MEXER◆	20,000	—	—	—	Open the original filing on SEC.gov
May 23, 2025	Abbott Richard David	President	DTOISS	7,180	$0.24	$1.7K	-21.2%	Open the original filing on SEC.gov
May 23, 2025	Abbott Richard David	President	AGRANT	20,000	—	—	+143.7%	Open the original filing on SEC.gov

MEXER◆—

Durenard Eugene · DirectorMay 23

1,695 sh

AGRANT—

Durenard Eugene · DirectorMay 23

1,695 sh · +18.9% own

MEXER◆—

Murphy Edward L. · DirectorMay 23

1,695 sh

AGRANT—

Murphy Edward L. · DirectorMay 23

1,695 sh · +18.1% own

MEXER◆—

Egan Dwight H · Chief Executive…May 23

4,584 sh

DTOISS$8.3K

Egan Dwight H · Chief Executive…May 23

1,633 sh @ $5.07 · -5.5% own

AGRANT—

Egan Dwight H · Chief Executive…May 23

4,584 sh · +18.4% own

MEXER◆—

Nelson James B · DirectorMay 23

1,695 sh

AGRANT—

Nelson James B · DirectorMay 23

1,695 sh · +18.9% own

MEXER◆—

Serbin Richard S · DirectorMay 23

1,695 sh

AGRANT—

Serbin Richard S · DirectorMay 23

1,695 sh · +18.7% own

MEXER◆—

Brown Brian Lee · Chief Financial…May 23

3,750 sh

DTOISS$6.8K

Brown Brian Lee · Chief Financial…May 23

1,350 sh @ $5.07 · -5.7% own

AGRANT—

Brown Brian Lee · Chief Financial…May 23

3,750 sh · +18.8% own

MEXER◆—

Abbott Richard David · PresidentMay 23

1,890 sh

DTOISS$3.4K

Abbott Richard David · PresidentMay 23

680 sh @ $5.07 · -16.6% own

AGRANT—

Abbott Richard David · PresidentMay 23

1,890 sh · +85.6% own

MEXER◆—

Durenard Eugene · DirectorNov 23, 2025

57,499 sh

AGRANT—

Durenard Eugene · DirectorNov 23, 2025

57,499 sh · +27.2% own

MEXER◆—

Murphy Edward L. · DirectorNov 23, 2025

57,499 sh

AGRANT—

Murphy Edward L. · DirectorNov 23, 2025

57,499 sh · +25.7% own

MEXER◆—

Egan Dwight H · Chief Executive…Nov 23, 2025

163,333 sh

DTOISS$17.4K

Egan Dwight H · Chief Executive…Nov 23, 2025

49,575 sh @ $0.35 · -6.2% own

AGRANT—

Egan Dwight H · Chief Executive…Nov 23, 2025

163,333 sh · +25.7% own

MEXER◆—

Nelson James B · DirectorNov 23, 2025

57,499 sh

AGRANT—

Nelson James B · DirectorNov 23, 2025

57,499 sh · +27.2% own

MEXER◆—

Serbin Richard S · DirectorNov 23, 2025

57,499 sh

AGRANT—

Serbin Richard S · DirectorNov 23, 2025

57,499 sh · +26.9% own

MEXER◆—

Brown Brian Lee · Chief Financial…Nov 23, 2025

134,167 sh

DTOISS$14.3K

Brown Brian Lee · Chief Financial…Nov 23, 2025

40,723 sh @ $0.35 · -6.4% own

AGRANT—

Brown Brian Lee · Chief Financial…Nov 23, 2025

134,167 sh · +26.5% own

MEXER◆—

Abbott Richard David · PresidentNov 23, 2025

56,667 sh

DTOISS$6K

Abbott Richard David · PresidentNov 23, 2025

17,200 sh @ $0.35 · -20.6% own

AGRANT—

Abbott Richard David · PresidentNov 23, 2025

56,667 sh · +212.0% own

AGRANT◆—

Egan Dwight H · Chief Executive…Aug 13, 2025

275,000 sh

AGRANT◆—

Durenard Eugene · DirectorAug 13, 2025

125,000 sh

AGRANT◆—

Nelson James B · DirectorAug 13, 2025

125,000 sh

AGRANT◆—

Serbin Richard S · DirectorAug 13, 2025

125,000 sh

AGRANT◆—

Murphy Ted · DirectorAug 13, 2025

125,000 sh

AGRANT◆—

Brown Brian Lee · Chief Financial…Aug 13, 2025

225,000 sh

AGRANT◆—

Abbott Richard David · PresidentAug 13, 2025

220,000 sh

MEXER◆—

Egan Dwight H · Chief Executive…May 23, 2025

163,334 sh

DTOISS$12.4K

Egan Dwight H · Chief Executive…May 23, 2025

51,697 sh @ $0.24 · -7.5% own

AGRANT—

Egan Dwight H · Chief Executive…May 23, 2025

163,334 sh · +31.2% own

MEXER◆—

Serbin Richard S · DirectorMay 23, 2025

48,334 sh

AGRANT—

Serbin Richard S · DirectorMay 23, 2025

48,334 sh · +29.1% own

MEXER◆—

Murphy Ted · DirectorMay 23, 2025

48,334 sh

AGRANT—

Murphy Ted · DirectorMay 23, 2025

48,334 sh · +27.5% own

MEXER◆—

Durenard Eugene · DirectorMay 23, 2025

48,334 sh

AGRANT—

Durenard Eugene · DirectorMay 23, 2025

48,334 sh · +29.6% own

MEXER◆—

Nelson James B · DirectorMay 23, 2025

48,334 sh

AGRANT—

Nelson James B · DirectorMay 23, 2025

48,334 sh · +29.6% own

MEXER◆—

Brown Brian Lee · Chief Financial…May 23, 2025

134,166 sh

DTOISS$11.6K

Brown Brian Lee · Chief Financial…May 23, 2025

48,161 sh @ $0.24 · -8.7% own

AGRANT—

Brown Brian Lee · Chief Financial…May 23, 2025

134,166 sh · +31.9% own

MEXER◆—

Abbott Richard David · PresidentMay 23, 2025

20,000 sh

DTOISS$1.7K

Abbott Richard David · PresidentMay 23, 2025

7,180 sh @ $0.24 · -21.2% own

AGRANT—

Abbott Richard David · PresidentMay 23, 2025

20,000 sh · +143.7% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 28 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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