MarketPeel
Insider Trading Intelligence
BB

Brian Lee Brown

CODX
CHIEF FINANCIAL OFFICER · CO-DIAGNOSTICS, INC. · CIK 0001847811
FILING MIX · LIFETIME46%/54%
BUYS
19
SELLS
22
TOTAL VALUE
$369.4K
COMPANIES
1
ACTIVE SINCE
Feb 2021
HOLDINGS NOW
23,729
AVG SELL PX
$1.38
TRADE KIND
SHOWING 41 / 41
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
1 backtested trades · 8 horizonsHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Brian Lee Brown, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d1+0.00%-26.32%+0.70%-27.01%-27.01%
14d1+0.00%-23.68%+4.37%-28.05%-28.05%
30d1+0.00%-21.58%+5.18%-26.76%-26.76%
60d1+0.00%-27.37%+6.32%-33.69%-33.69%
90d1+0.00%-43.68%+12.03%-55.71%-55.71%
180d1+0.00%-38.42%+13.42%-51.84%-51.84%
1y1+0.00%-42.10%+32.88%-74.98%-74.98%
2y1+0.00%-75.03%+47.54%-122.57%-122.57%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
CODX · 23,729 shares · as of May 23, 2026
0160,020320,039480,059640,07820222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 19 buys / 22 sellsCOVERAGE · 22 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
3,7507,500May 23, 2026May 27, 2026View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
1,350$5.07$6.8K22,379May 23, 2026May 27, 2026View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
3,75023,729May 23, 2026May 27, 2026View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
40,723$0.35$14.3K599,355Nov 23, 2025Nov 24, 2025View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
134,167640,078Nov 23, 2025Nov 24, 2025View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
134,167337,500Nov 23, 2025Nov 24, 2025View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
225,000471,667Aug 13, 2025Aug 15, 2025View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
134,166554,072May 23, 2025May 27, 2025View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
134,166246,667May 23, 2025May 27, 2025View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
48,161$0.24$11.6K505,911May 23, 2025May 27, 2025View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
134,167460,721Nov 23, 2024Nov 25, 2024View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
134,167380,833Nov 23, 2024Nov 25, 2024View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
40,816$1.01$41.2K419,905Nov 23, 2024Nov 25, 2024View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
113,334326,554May 23, 2024May 28, 2024View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
113,334515,000May 23, 2024May 28, 2024View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
35,865$1.09$39.1K290,689May 23, 2024May 28, 2024View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
225,000628,334Apr 26, 2024Apr 29, 2024View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
36,125$1.26$45.5K213,220Nov 23, 2023Nov 27, 2023View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
118,332249,345Nov 23, 2023Nov 27, 2023View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
118,332403,334Nov 23, 2023Nov 27, 2023View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
80,834157,070May 23, 2023May 24, 2023View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
80,834521,666May 23, 2023May 24, 2023View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
26,057$1.32$34.4K131,013May 23, 2023May 24, 2023View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
225,000602,500May 15, 2023May 15, 2023View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASE
Chief Financial Officer
3,000$1.90$5.7K76,236Mar 20, 2023Mar 21, 2023View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
130,000377,500Jan 17, 2023Jan 19, 2023View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
59,167247,500Nov 23, 2022Nov 23, 2022View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
59,16791,423Nov 23, 2022Nov 23, 2022View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
18,187$3.47$63.1K73,236Nov 23, 2022Nov 23, 2022View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
225,000306,667Jun 6, 2022Jun 7, 2022View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
7,869$4.99$39.3K32,256May 23, 2022May 25, 2022View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
21,66681,667May 23, 2022May 25, 2022View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
21,66640,125May 23, 2022May 25, 2022View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
6,684$8.44$56.4K18,459Nov 23, 2021Nov 24, 2021View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
21,66725,143Nov 23, 2021Nov 24, 2021View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
21,667103,333Nov 23, 2021Nov 24, 2021View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
100,000125,000Aug 12, 2021Aug 16, 2021View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
1,524$7.90$12.0K3,476May 24, 2021May 26, 2021View →
CODX
CO-DIAGNOSTICS, INC.
SALE
Chief Financial Officer
5,00025,000May 24, 2021May 26, 2021View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
5,0005,000May 24, 2021May 26, 2021View →
CODX
CO-DIAGNOSTICS, INC.
PURCHASEGRANT
Stock grant
30,00030,000Feb 22, 2021Feb 25, 2021View →
Other insiders · CODX
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About this filer
CIK 0001847811
ROLE
Chief Financial Officer
PRIMARY
CODX
COMPANIES
1
ACTIVE SINCE
Feb 2021
MARKETPEEL · /INSIDER/0001847811DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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