Southport Acquisition Corp. II (PORT.U) insider trading
Southport Acquisition Corp. II insiders have made 2 open-market purchases worth $10.0M since Oct 2, 2026, by 2 different insiders. The latest: SOUTHPORT ACQUISITION SPONSOR II LLC (10% owner) bought $5.0M, filed Oct 2, 2026, scored 44 out of 100. 1 buy in the last year came within ten days of another insider's: a cluster, one of the stronger patterns in the research.
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Insider purchases
| Filed | Insider | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Oct 2 Form 4 (opens sec.gov) |
SOUTHPORT ACQUISITION SPONSOR II LLC10% owner · 2 insiders buying10% owner · 2 insiders buying | New position | 44 | $5.0M 500,000 at $10.00 |
−0.1% | waiting |
| Oct 2 Form 4 (opens sec.gov) |
Jeb S. SpencerCEOCEO · 2 insiders buying | New position | 76 | $5.0M 500,000 at $10.00 |
−0.1% | waiting |
Track record (hypothetical): a week after the filing, these buys averaged −0.1% (0% up, 2 measured).
Insiders who bought PORT.U
- SOUTHPORT ACQUISITION SPONSOR II LLC 10% owner
- Jeb S. Spencer CEO
Questions
Are insiders buying PORT.U stock?
Yes. In the last 90 days, 2 open-market purchases were filed, worth $10.0M.
Who bought PORT.U stock most recently?
SOUTHPORT ACQUISITION SPONSOR II LLC, 10% owner, bought 500,000 shares for $5.0M (Form 4 (opens sec.gov), filed Oct 2, 2026).
How does InsiderBeacon score an insider buy?
Out of 100, from who bought, how much their stake grew, the size of the trade, whether other insiders bought within ten days, where the price sat in its 52-week range, and whether it was a first or a routine buy. The score is fixed when the filing arrives. The formula and the research behind it.
Insiders are also buying, same industry
Data as of Oct 2, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer