SEC EDGAR - Form 4 insider activity

PORT.U $PORT.U

Tracked equity - 2 filings indexed by Nortis

Nortis signal thesis

Buying activity is leading recent insider flow.

OM buys - 90d

OM sells - 90d

Routine filings

Cluster filings

$5.00M

Largest trade

90/100

Avg signal score

Filing tape

Recent filings

Last 30d: 2

Open-market BuyHigh signal 90/100

filed 2026-10-02

SLInsider

SOUTHPORT ACQUISITION SPONSOR II LLC - 10% Owner - $5.00M

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics.

Open-market BuyHigh signal 90/100

filed 2026-10-02

SSCEO

SPENCER JEB S. - Director, CEO and CFO, 10% Owner - $5.00M

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics.