Insiders / Johnston John Joseph

Johnston John Joseph

CIK 1874850personinsider
Companies
1
First seen
Jun 22, 2026
Last activity
Jun 22, 2026

Companies

1View all →
CompanyRoleShares heldPeak heldTradesLatest
Maxcyte, Inc. · MXCTDirector201,581201,5812—

All securities held

2 positions · latest reported per filing
CompanySecuritySharesAs of
Maxcyte, Inc.Common Stock201,581Jun 17, 2026
Maxcyte, Inc.Stock Option (right to buy)Derivative49,579Jun 17, 2026

Activity

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InsidersInstitutions
This person's insider trades (Form 4), across every company.
DateActionCompanyValueShares ΔPosition afterImpact
Jun 17, 2026GrantMXCT
Maxcyte, Inc.
Common Stock
$0+30K
+17.77%
201,581
0.19% of shares
low
Jun 17, 2026GrantMXCT
Maxcyte, Inc.
Stock Option (right to buy)
—+50K
49,579
0.05% of shares
low