John Michael Custer

Director, Watsco.

Companies

  • WatscoBoard member Dec 21, 2018 to now1

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

  • Watsco WSO3,552 shares2$1.1M at $299.50Jan 16, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

  • Jun 10, 2025Sold 2,200 shares at $448.27 of Watsco3
  • Jun 6, 2024Exercised options 1,666 shares at $260.28 of Watsco4
  • Jun 6, 2023Shares withheld for tax 1,257 shares at $345.02 of Watsco5
  • Jun 6, 2023Exercised options 1,667 shares at $260.28 of Watsco5
  • Feb 27, 2023Shares withheld for tax 1,422 shares at $304.99 of Watsco6
  • Feb 27, 2023Exercised options 1,667 shares at $260.28 of Watsco6
  • Feb 27, 2023Shares withheld for tax 1,435 shares at $304.99 of Watsco6
  • Feb 27, 2023Exercised options 2,500 shares at $175.07 of Watsco6
  • Feb 27, 2023Shares withheld for tax 2,634 shares at $304.99 of Watsco6
  • Feb 27, 2023Exercised options 5,000 shares at $160.69 of Watsco6

Sources

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