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✦ Spy Mode investigation

Henry N. Nassau's $114K purchase of BXMT

BLACKSTONE MORTGAGE TRUST, INC. · Director · filed Nov 5, 2026. Opened Nov 6, 2026, last checked Nov 13, 2026. 7-day result in; next check Dec 5, 2026.

Reported value$114K10,000 shares at $11.43
For this personNormal for them2 buys · 0 sales on file
Similar buys beat S&P35%86 cases · all buys 46%

Worth a closer look

  • Open-market purchase with their own money (Form 4 code P), not a grant or option exercise.
  • Their past buys: 2 of 4 beat the S&P 500 over 90 days.

Reasons for caution

  • Similar past buys beat the S&P 500 only 35% of the time (86 cases); the typical one trailed it by 7.0%.

What happened after this filing

7 days -5.5% -8.8% vs S&P
30 days Pending due Dec 5
90 days Pending due Feb 3

Insider Twins: past buys with the same traits

2 insiders buying · incl. CEO or CFO · $1M+ · stock down 0–20% in 3 months

PGNY Dec 26, 2024 +53.6% vs S&PMEDP Sep 23, 2022 +41.4% vs S&PADT Mar 8, 2021 +34.6% vs S&PDRVN May 30, 2023 -44.8% vs S&PAVPT Sep 2, 2021 -36.1% vs S&PABCL Nov 15, 2021 -35.7% vs S&P

What we couldn't check

  • Why they traded. Filings don't say, and we don't guess.
  • Company news after the filing, and any private terms.
Summary

Henry N. Nassau (a director) bought $114K of BXMT at about $11.43 on Nov 4, 2026, reported to the SEC on Nov 5, 2026. Buys like this beat the S&P 500 35% of the time since 2020, against 46% for all insider buys. We found 2 points that make it worth a closer look and 1 reason for caution. History, not a prediction.

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Written by fixed rules from SEC filings and our measured history, not by an AI model. Public data only. History, not a prediction, and not investment advice.

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