Skip to content

13D/A filed by Cohen Jacob D.

Cohen Jacob D. and 1 other reporting person reported 4,098,333 MGRX shares, 21.5% of the class, as of 2026-03-09, in a 13D/A accepted by EDGAR 2026-10-06 12:00:16 UTC.

Accession
0001493152-26-045857
Filed
2026-10-06
Accepted by EDGAR
Ingested
Source
EDGAR live feed

Original filing

Stake

Shares
4,098,333
Percent of class
21.5%
Event date
2026-03-09

How the shares relate across the reporting persons: ambiguous: the persons may hold separate positions, so the group total can be higher. The page shows the largest row.

Read for the filer group Tiger Cub Trust.

Reporting persons

PersonTypeSole votingShared votingSole dispositiveShared dispositiveAggregatePercent
Jacob D. CohenIN1,633,3333,355,0001,633,3333,355,0004,098,33321.5%
The Tiger Cub TrustOO03,355,00003,355,0003,355,00015.5%