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Form 4 Blackstone Multi-Strategy Hedge Fund L.P.: William Simpson Gardiner (Chief Compliance Officer) For: 22 September - Investing.com Canada

Reported by Cavesting ·Ngvesting ·Ukvesting +2 more
Oct 26, 2026· 2 min read
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Key Takeaways
  • • Max James Jaffe, Chief Operating Officer of Blackstone Multi-Strategy Hedge Fund L.P., is the subject of a Form 4 insider transaction filing dated for 22 September, as reported by Investing.com Nigeria.
  • • The filing is an automated insider-transaction disclosure; the primary source text does not state the transaction size, price, or whether it was a purchase or sale.
  • • Related Form 4 filings for the same fund cover director Riad M. Abrahams (CEO and Director), director Philip Daniel Collins, and Chief Compliance Officer William Simpson Gardiner, with dates of 22 September and 22 October.
  • • Parallel Form 4 filings were also reported for Bluerock Private Real Estate Fund, where director Ramin Kamfar's transactions were dated 21 September and 22 October.
Summary
Investing.com Nigeria published a Form 4 insider-transaction notice for Blackstone Multi-Strategy Hedge Fund L.P. naming Max James Jaffe, the fund's Chief Operating Officer, with a transaction date of 22 September. The primary source reproduces only the headline and the publisher's standard risk and data disclaimers, so the notice does not disclose the number of units involved, the transaction price, or whether the activity was an acquisition or disposition.

The same publisher and several regional Investing.com editions carried related Form 4 notices for the fund. These cover Riad M. Abrahams, listed as Director and CEO, with a date of 22 October; Philip Daniel Collins, listed as Director, with a date of 22 September; and William Simpson Gardiner, listed as Chief Compliance Officer, with a date of 22 September. These entries are headline-level references only and do not add transaction details.

Separate Form 4 notices were reported for Bluerock Private Real Estate Fund, in which director Ramin Kamfar is named for transactions dated 21 September and 22 October. Those filings are a different fund and are noted here only because they appear in the same publisher feed.

Form 4 filings are required under U.S. Securities and Exchange Commission rules when officers, directors, or significant holders of a registered entity buy or sell its securities, and they are typically filed within two business days of the transaction. Readers seeking the size and direction of each trade should consult the underlying SEC filings directly.

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Sources

5 outlets

AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Cavesting Form 4 Blackstone Multi-Strategy Hedge Fund L.P.: William Simpson Gardiner (Chief Compliance Officer) For: 22 September - Investing.com Canada Ngvesting Form 4 Blackstone Multi-Strategy Hedge Fund L.P.: Max James Jaffe (COO) For: 22 September - Investing.com Nigeria Ukvesting Form 4 Blackstone Multi-Strategy Hedge Fund L.P.: Riad M. Abrahams (Director, CEO) For: 22 October Auvesting Form 4 Bluerock Private Real Estate Fund For: 10 October By Investing.com - Investing.com Australia Investing Form 4 Blackstone Multi-Strategy Hedge Fund L.P.: Max James Jaffe (COO) For: 22 September