Insiders / Tatum Mark A.

Tatum Mark A.

CIK 1853185personinsider
Companies
1
First seen
Jan 5, 2026
Last activity
Jan 5, 2026

Companies

1View all →
CompanyRoleShares heldPeak heldTradesLatest
General Motors Co · GMDirector—19,6892—

All securities held

1 position · latest reported per filing
CompanySecuritySharesAs of
General Motors CoDeferred Share Units ("DSUs")Derivative19,689Dec 31, 2025

Activity

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InsidersInstitutions
This person's insider trades (Form 4), across every company.
DateActionCompanyValueShares ΔPosition afterImpact
Dec 31, 2025GrantGM
General Motors Co
Deferred Share Units ("DSUs")
—+180
+0.92%
19,689
<0.01% of shares
low
Dec 31, 2025GrantGM
General Motors Co
Deferred Share Units ("DSUs")
—+3K
+21.77%
19,509
<0.01% of shares
low