InsiderSource
CGNX

COGNEX CORP

SEC CIK 851205
$63.61 +56.6% · 90 days
90-day buys
$0
0 open-market
90-day sells
$14.98M
21 open-market
Net insider flow
−$14.98M
Net selling
Filings shown
98
Most recent
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At a glance

Over the last 90 days, insiders at CGNX have sold a net $14.98M of stock (0 open-market buys vs 21 sells).

Largest recent trade: Macdonald Laura Ann sold $2M of CGNX, trimming their stake 80%.

Most active filer: Macdonald Laura Ann, with 25 transactions among the recent filings shown.

Insider transaction history

Form 4 filings for CGNX, newest first
View on SEC EDGAR ↗
CGNX
COGNEX CORP
Option exercise Long Darren Marc · Vice President · Option exercise · filed 2w ago ΔOwn +81%
+$254K
4,500 sh @ $56
CGNX
COGNEX CORP
Sell Long Darren Marc · Vice President · Open-market sale · filed 2w ago ΔOwn −45%

Long Darren Marc sold $298.4K of CGNX, trimming their stake 45%.

−$298.4K
4,500 sh @ $66
CGNX
COGNEX CORP
Option exercise Long Darren Marc · Vice President · Option exercise · filed 2w ago ΔOwn +156%
+$446.7K
8,675 sh @ $51
CGNX
COGNEX CORP
Sell Long Darren Marc · Vice President · Open-market sale · filed 2w ago ΔOwn −61%

Long Darren Marc sold $575.3K of CGNX, trimming their stake 61%.

−$575.3K
8,675 sh @ $66
CGNX
COGNEX CORP
Option exercise Long Darren Marc · Vice President · Option exercise · filed 2w ago ΔOwn +99%
+$270.1K
5,498 sh @ $49
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CGNX
COGNEX CORP
Sell Long Darren Marc · Vice President · Open-market sale · filed 2w ago ΔOwn −50%

Long Darren Marc sold $364.6K of CGNX, trimming their stake 50%.

−$364.6K
5,498 sh @ $66
CGNX
COGNEX CORP
Sell Long Darren Marc · Vice President · Open-market sale · filed 2w ago ΔOwn −28%

Long Darren Marc sold $105K of CGNX, trimming their stake 28%.

−$105K
1,579 sh @ $67
CGNX
COGNEX CORP
Sell MACDONALD LAURA ANN · VP and PAO · Open-market sale · filed May 12, 2026 ΔOwn −54%

Macdonald Laura Ann sold $399.9K of CGNX, trimming their stake 54%.

−$399.9K
6,100 sh @ $66
CGNX
COGNEX CORP
Sell MACDONALD LAURA ANN · VP and PAO · Open-market sale · filed May 12, 2026 ΔOwn −66%

Macdonald Laura Ann sold $655.6K of CGNX, trimming their stake 66%.

−$655.6K
10,000 sh @ $66
CGNX
COGNEX CORP
Sell MACDONALD LAURA ANN · VP and PAO · Open-market sale · filed May 12, 2026 ΔOwn −83%

Macdonald Laura Ann sold $1.67M of CGNX, trimming their stake 83%.

−$1.67M
25,500 sh @ $66
CGNX
COGNEX CORP
Option exercise Fennell Mark · Chief Legal Officer &Secretary · Option exercise · filed May 12, 2026 ΔOwn +132%
+$329.5K
6,400 sh @ $51
CGNX
COGNEX CORP
Sell Fennell Mark · Chief Legal Officer &Secretary · Open-market sale · filed May 12, 2026 ΔOwn −57%

Fennell Mark sold $429.3K of CGNX, trimming their stake 57%.

−$429.3K
6,400 sh @ $67
CGNX
COGNEX CORP
Option exercise Fennell Mark · Chief Legal Officer &Secretary · Option exercise · filed May 12, 2026 ΔOwn +376%
+$863.8K
18,296 sh @ $47
CGNX
COGNEX CORP
Sell Fennell Mark · Chief Legal Officer &Secretary · Open-market sale · filed May 12, 2026 ΔOwn −79%

Fennell Mark sold $1.23M of CGNX, trimming their stake 79%.

−$1.23M
18,296 sh @ $67
CGNX
COGNEX CORP
Option exercise Fennell Mark · Chief Legal Officer &Secretary · Option exercise · filed May 12, 2026 ΔOwn +310%
+$594.8K
15,080 sh @ $39
CGNX
COGNEX CORP
Sell Fennell Mark · Chief Legal Officer &Secretary · Open-market sale · filed May 12, 2026 ΔOwn −76%

Fennell Mark sold $1.01M of CGNX, trimming their stake 76%.

−$1.01M
15,080 sh @ $67
CGNX
COGNEX CORP
Option exercise Fennell Mark · Chief Legal Officer &Secretary · Option exercise · filed May 12, 2026 ΔOwn +136%
+$219.2K
6,634 sh @ $33
CGNX
COGNEX CORP
Sell Fennell Mark · Chief Legal Officer &Secretary · Open-market sale · filed May 12, 2026 ΔOwn −58%

Fennell Mark sold $445K of CGNX, trimming their stake 58%.

−$445K
6,634 sh @ $67
CGNX
COGNEX CORP
Option exercise Fennell Mark · Chief Legal Officer &Secretary · Option exercise · filed May 12, 2026 ΔOwn +197%
+$541.8K
9,600 sh @ $56
CGNX
COGNEX CORP
Sell Fennell Mark · Chief Legal Officer &Secretary · Open-market sale · filed May 12, 2026 ΔOwn −66%

Fennell Mark sold $644K of CGNX, trimming their stake 66%.

−$644K
9,600 sh @ $67
CGNX
COGNEX CORP
Option exercise Fennell Mark · Chief Legal Officer &Secretary · Option exercise · filed May 12, 2026 ΔOwn +82%
+$171.4K
4,000 sh @ $43
CGNX
COGNEX CORP
Sell Fennell Mark · Chief Legal Officer &Secretary · Open-market sale · filed May 12, 2026 ΔOwn −45%

Fennell Mark sold $268.3K of CGNX, trimming their stake 45%.

−$268.3K
4,000 sh @ $67
CGNX
COGNEX CORP
Sell Fennell Mark · Chief Legal Officer &Secretary · Open-market sale · filed May 12, 2026 ΔOwn −100%

Fennell Mark sold $324.5K of CGNX, trimming their stake 100%.

−$324.5K
4,863 sh @ $67
CGNX
COGNEX CORP
Sell MACDONALD LAURA ANN · VP and PAO · Open-market sale · filed May 12, 2026 ΔOwn −47%

Macdonald Laura Ann sold $443.2K of CGNX, trimming their stake 47%.

−$443.2K
6,634 sh @ $67
CGNX
COGNEX CORP
Sell MACDONALD LAURA ANN · VP and PAO · Open-market sale · filed May 12, 2026 ΔOwn −67%

Macdonald Laura Ann sold $1.01M of CGNX, trimming their stake 67%.

−$1.01M
15,080 sh @ $67
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About CGNX insider activity

This page tracks every recent Form 4 filed for COGNEX CORP with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.

The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.

Frequently asked questions

How often is CGNX insider data updated?

Continuously. We read from SEC EDGAR, so new Form 4 filings for COGNEX CORP usually appear here within minutes of being accepted by the SEC.

What does "net insider flow" mean?

It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.

Why do some rows show grants or option exercises instead of buys?

Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.

Is this investment advice?

No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.