Blackstone Holdings II L.P. - SEC Form 4 Insider Trading Activity
10% Owner
Summary
Updated Aug 16, 2026
Blackstone Holdings II L.P. has filed 3 SEC Form 4 filings across 2 companies in the last 90 days - selling. Lifetime open-market sales: $654.97M.
Trading Pattern
InsiderAlpha's records for Blackstone Holdings II L.P. go back to 2026: 3 primary Form 4 filings, an average of 3.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Blackstone Holdings II L.P. has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- 10% Owner at Bridger Aerospace Group Holdings, Inc. (BAER) - 2 filings, 2026
- 10% Owner at Jersey Mike's Subs Inc. (JMKE) - 1 filing, 2026
Recent Transactions
10Companies - Last 90 Days
2- Bridger Aerospace Group Holdings, Inc. (BAER) - 2 filings, last 2026-08-13
- Jersey Mike's Subs Inc. (JMKE) - 1 filing, last 2026-08-04
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Blackstone Holdings II L.P. has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Submarine Buyer LLC - $648.85M of JMKE open-market activity in the last 12 months
- Abu Dhabi Investment Authority - $96.38M of JMKE open-market activity in the last 12 months
- Blackstone Holdings I L.P. - $6.12M of BAER open-market activity in the last 12 months
- Jeffrey E. Kelter - $540K of BAER open-market activity in the last 12 months
- Stacy Peterson - $345K of JMKE open-market activity in the last 12 months
- Michele Allen - $299K of JMKE open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
What is Blackstone Holdings II L.P.?
Blackstone Holdings II L.P. is an investment firm - currently tracked as 10% Owner of Bridger Aerospace Group Holdings, Inc. (BAER). InsiderAlpha tracks every SEC Form 4 filing in real time.
How many SEC Form 4 filings has Blackstone Holdings II L.P. submitted recently?
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Blackstone Holdings II L.P. been buying or selling stock?
Recorded transactions: 0 open-market purchases and 8 open-market sales ($654.97M) across all tracked filings.
Where can I see all of Blackstone Holdings II L.P.'s SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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