Insiders / Weiss Michael S

Weiss Michael S

CIK 1038977personinsider
Companies
2
First seen
Jan 9, 2026
Last activity
Mar 20, 2026

Companies

2View all →
CompanyRoleShares heldPeak heldTradesLatest
TG Therapeutics Inc · TGTXCEO9,778,0869,778,0861—
Fortress Biotech, Inc. · FBIOExecutive2,276,5622,276,5621—

All securities held

2 positions · latest reported per filing
CompanySecuritySharesAs of
Fortress Biotech, Inc.common stock, par value $0.0012,276,562Mar 18, 2026
TG Therapeutics IncCommon Stock9,778,086Jan 8, 2026

Activity

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InsidersInstitutions
This person's insider trades (Form 4), across every company.
DateActionCompanyValueShares ΔPosition afterImpact
Mar 18, 2026GrantFBIO
Fortress Biotech, Inc.
common stock, par value $0.001
$0+475K
+26.40%
2,276,562
6.21% of shares
low
Jan 8, 2026GrantTGTX
TG Therapeutics Inc
Common Stock
$0+622K
+6.79%
9,778,086
6.39% of shares
low