Sean Mackay - Net Worth and Insider Trading
Sean Mackay Net Worth
The estimated net worth of Sean Mackay is at least $2 Million dollars as of 2025-07-25. Sean Mackay is the SVP & Chief Business Officer of Standard BioTools Inc and owns about 843,076 shares of Standard BioTools Inc (LAB) stock worth over $1 Million. Sean Mackay is also the CEO of IsoPlexis Corp and owns about 914,366 shares of IsoPlexis Corp (ISO) stock worth over $696,381. Details can be seen in Sean Mackay's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Sean Mackay has not made any transactions after 2025-05-23 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Sean Mackay
Sean Mackay Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Sean Mackay owns 1 companies in total, including IsoPlexis Corp (ISO) .
Click here to see the complete history of Sean Mackay’s form 4 insider trades.
Insider Ownership Summary of Sean Mackay
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| ISO | IsoPlexis Corp | 2022-08-25 | director & Chief Executive Officer |
Sean Mackay Latest Holdings Summary
Sean Mackay currently owns a total of 2 stocks. Among these stocks, Sean Mackay owns 843,076 shares of Standard BioTools Inc (LAB) as of May 23, 2025, with a value of $1 Million and a weighting of 64.02%. Sean Mackay also owns 914,366 shares of IsoPlexis Corp (ISO) as of August 25, 2022, with a value of $696,381 and a weighting of 35.98%.
Latest Holdings of Sean Mackay
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| LAB | Standard BioTools Inc | 2025-05-23 | 843,076 | 1.47 | 1,239,322 |
| ISO | IsoPlexis Corp | 2022-08-25 | 914,366 | 0.76 | 696,381 |
Holding Weightings of Sean Mackay
Sean Mackay Form 4 Trading Tracker
According to the SEC Form 4 filings, Sean Mackay has made a total of 2 transactions in Standard BioTools Inc (LAB) over the past 5 years, including 0 buys and 2 sells. The most-recent trade in Standard BioTools Inc is the sale of 13,217 shares on May 23, 2025, which brought Sean Mackay around $12,424.
According to the SEC Form 4 filings, Sean Mackay has made a total of 1 transactions in IsoPlexis Corp (ISO) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in IsoPlexis Corp is the acquisition of 15,000 shares on August 25, 2022, which cost Sean Mackay around $29,850.
Insider Trading History of Sean Mackay
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Sean Mackay Trading Performance
GuruFocus tracks the stock performance after each of Sean Mackay's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Sean Mackay is -29.35%. GuruFocus also compares Sean Mackay's trading performance to market benchmark return within the same time period. The performance of stocks bought by Sean Mackay within 3 months outperforms 0 times out of 1 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Sean Mackay's insider trading performs compared to the benchmark.
Performance of Sean Mackay
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | -12.94 |  | | | | |
| Relative Return to S&P 500(%) | -0.89 | | | | | |
Sean Mackay Ownership Network
Ownership Network List of Sean Mackay
Ownership Network Relation of Sean Mackay
Sean Mackay Owned Company Details
What does IsoPlexis Corp do?
Who are the key executives at IsoPlexis Corp?
Sean Mackay is the director & Chief Executive Officer of IsoPlexis Corp. Other key executives at IsoPlexis Corp include SVP & GC & Secretary Rew Richard W. Ii , Chief Financial Officer John Strahley , and director & 10 percent owner Gregory P. Ho .
IsoPlexis Corp (ISO) Insider Trades Summary
In summary, during the past 3 months, insiders sold 0 shares of IsoPlexis Corp (ISO) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of IsoPlexis Corp (ISO) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.
IsoPlexis Corp (ISO)'s detailed insider trading history can be found in Insider Trading Tracker table.
IsoPlexis Corp Insider Transactions
Sean Mackay Mailing Address
Above is the net worth, insider trading, and ownership report for Sean Mackay. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Sean Mackay's mailing address is: Branford Ct 06405.
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