John Portlock - Net Worth and Insider Trading
John Portlock Net Worth
The estimated net worth of John Portlock is at least $249,313 dollars as of 2025-04-28. John Portlock is the President, International of MillerKnoll Inc and owns about 15,165 shares of MillerKnoll Inc (MLKN) stock worth over $249,313. Details can be seen in John Portlock'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 John Portlock has not made any transactions after 2006-04-20 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of John Portlock
John Portlock Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, John Portlock owns 1 companies in total, including MillerKnoll Inc (MLKN) .
Click here to see the complete history of John Portlock’s form 4 insider trades.
Insider Ownership Summary of John Portlock
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
MLKN | MillerKnoll Inc | 2006-07-24 | other: President & International |
John Portlock Latest Holdings Summary
John Portlock currently owns a total of 1 stock. John Portlock owns 15,165 shares of MillerKnoll Inc (MLKN) as of April 20, 2006, with a value of $249,313.
Latest Holdings of John Portlock
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
MLKN | MillerKnoll Inc | 2006-04-20 | 15,165 | 16.44 | 249,313 |
Holding Weightings of John Portlock
John Portlock Form 4 Trading Tracker
According to the SEC Form 4 filings, John Portlock has made a total of 0 transactions in MillerKnoll Inc (MLKN) over the past 5 years. The most-recent trade in MillerKnoll Inc is the sale of 4,492 shares on April 20, 2006, which brought John Portlock around $139,791.
Insider Trading History of John Portlock
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John Portlock Trading Performance
John Portlock Ownership Network
Ownership Network List of John Portlock
Ownership Network Relation of John Portlock

John Portlock Owned Company Details
What does MillerKnoll Inc do?
Who are the key executives at MillerKnoll Inc?
John Portlock is the other: President & International of MillerKnoll Inc. Other key executives at MillerKnoll Inc include TreasVPInvst Relatn Jeffrey M Stutz , other: Chief Strategy Officer Megan Lyon , and President & CEO Andi Owen .
MillerKnoll Inc (MLKN) Insider Trades Summary
Over the past 18 months, John Portlock made no insider transaction in MillerKnoll Inc (MLKN). Other recent insider transactions involving MillerKnoll Inc (MLKN) include a net sale of 9,771 shares made by Jeffrey M Stutz ,
In summary, during the past 3 months, insiders sold 0 shares of MillerKnoll Inc (MLKN) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 9,771 shares of MillerKnoll Inc (MLKN) were sold and 0 shares were bought by its insiders, resulting in a net sale of 9,771 shares.
MillerKnoll Inc (MLKN)'s detailed insider trading history can be found in Insider Trading Tracker table.
MillerKnoll Inc Insider Transactions
John Portlock Mailing Address
Above is the net worth, insider trading, and ownership report for John Portlock. Currently GuruFocus does not have mailing address information for John Portlock.