John Joseph Johnston
Director, MaxCyte (United States).
Companies
- MaxCyte (United States)Board member Jul 29, 2021 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
- MaxCyte (United States) MXCT201,581 shares2$262.1K at $1.30Jun 17, 2026
As of each latest filing. The line shows shares held over time.
Recent filings
- Jun 17, 2026Granted 30,421 shares of MaxCyte (United States)2
- Jun 18, 2025Granted 29,210 shares of MaxCyte (United States)3
- Jan 27, 2025Sold 3,000 shares at $4.65 of MaxCyte (United States)4
- Jan 27, 2025Exercised options 3,000 shares at $2.93 of MaxCyte (United States)4
- Dec 26, 2024Sold 3,000 shares at $4.01 of MaxCyte (United States)5
- Dec 26, 2024Exercised options 3,000 shares at $2.93 of MaxCyte (United States)5
- Dec 9, 2024Sold 2,495 shares at $3.79 of MaxCyte (United States)6
- Dec 9, 2024Exercised options 483 shares at $2.93 of MaxCyte (United States)6
- Dec 9, 2024Exercised options 1,121 shares at $1.64 of MaxCyte (United States)6
- Dec 9, 2024Exercised options 891 shares at $2.93 of MaxCyte (United States)6
- Dec 6, 2024Sold 505 shares at $3.70 of MaxCyte (United States)6
- Dec 6, 2024Exercised options 505 shares at $2.93 of MaxCyte (United States)6
- Oct 28, 2024Sold 3,000 shares at $3.72 of MaxCyte (United States)7
- Oct 28, 2024Exercised options 3,000 shares at $2.93 of MaxCyte (United States)7
- Sep 26, 2024Sold 3,000 shares at $3.82 of MaxCyte (United States)8
- Sep 26, 2024Exercised options 3,000 shares at $2.93 of MaxCyte (United States)8
- Aug 26, 2024Sold 3,000 shares at $4.28 of MaxCyte (United States)9
- Aug 26, 2024Exercised options 3,000 shares at $2.93 of MaxCyte (United States)9
- Jul 26, 2024Sold 3,000 shares at $4.75 of MaxCyte (United States)10
- Jul 26, 2024Exercised options 3,000 shares at $2.93 of MaxCyte (United States)10
- Jun 27, 2024Sold 10,000 shares at $3.99 of MaxCyte (United States)11
- Jun 27, 2024Exercised options 4,956 shares at $2.93 of MaxCyte (United States)11
- Jun 27, 2024Exercised options 5,044 shares at $1.64 of MaxCyte (United States)11
- Jun 11, 2024Granted 21,367 shares of MaxCyte (United States)12
- Mar 26, 2024Sold 5,000 shares at $4.41 of MaxCyte (United States)13
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2
- 3SEC EDGARForm 4 filed Jun 23, 2025
- 4SEC EDGARForm 4 filed Jan 29, 2025
- 5SEC EDGARForm 4 filed Dec 30, 2024
- 6SEC EDGARForm 4 filed Dec 10, 2024
- 7SEC EDGARForm 4 filed Oct 30, 2024
- 8SEC EDGARForm 4 filed Sep 30, 2024
- 9SEC EDGARForm 4 filed Aug 28, 2024
- 10SEC EDGARForm 4 filed Jul 30, 2024
- 11SEC EDGARForm 4 filed Jul 1, 2024
- 12SEC EDGARForm 4 filed Jun 13, 2024
- 13SEC EDGARForm 4 filed Mar 28, 2024