SEC Form 4 · Updated Daily
BXMT
— BLACKSTONE MORTGAGE TRUST, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| BERKLEY W R CORP | 10%+ Owner | 3,843,413 | 2008-03-24 | P |
| Blackstone Holdings III GP L.P. | 10%+ Owner | 2,460,784 | 2013-05-29 | P |
| Blackstone Holdings III L.P. | 10%+ Owner | 2,460,784 | 2013-05-29 | P |
| Blackstone Inc. | 10%+ Owner | 2,460,784 | 2013-05-29 | P |
| SCHWARZMAN STEPHEN A | 10%+ Owner | 2,460,784 | 2013-05-29 | P |
| Blackstone Group Management L.L.C. | 10%+ Owner | 2,460,784 | 2013-05-29 | P |
| Blackstone Holdings III GP Management L.L.C. | 10%+ Owner | 2,460,784 | 2013-05-29 | P |
| DOUCETTE FREDERICK E III | 10%+ Owner | 2,208,467 | 2008-10-15 | S |
| WEISS GEORGE A | 10%+ Owner | 2,208,467 | 2008-10-15 | S |
| Weiss Multi-Strategy Advisers LLC | 10%+ Owner | 2,208,467 | 2008-10-15 | S |
| Nash Michael B. | Director | 558,272 | 2026-06-26 | A |
| Johnson Timothy Steven | Director · Officer | 527,900 | 2025-12-15 | A |
| KLOPP JOHN R | Director · Officer | 445,688 | 2009-10-15 | F |
| PLAVIN STEPHEN D | Director | 407,255 | 2020-12-04 | A |
| Keenan Katharine A | Director · Officer | 230,006 | 2025-09-17 | S |
| NASSAU HENRY N | Director | 223,490 | 2026-10-15 | A |
| Pollack Jonathan Lee | Director | 214,683 | 2023-12-15 | A |
| Schreiber John | Director | 184,082 | 2015-11-20 | A |
| SAGALYN LYNNE B | Director | 173,067 | 2026-10-15 | A |
| ZELL SAMUEL | Director · Officer | 171,223 | 2012-12-20 | A |
| DOBROWSKI THOMAS E | Director | 129,354 | 2025-01-15 | A |
| EDELMAN MARTIN L | Director | 105,865 | 2023-01-13 | A |
| Armer Douglas N. | Officer | 104,741 | 2022-06-09 | S |
| Cotton Leonard W | Director | 101,992 | 2026-10-15 | A |
| HYMAN EDWARD S | Director | 97,712 | 2012-09-20 | A |
| Marone Anthony F. JR | Officer | 76,512 | 2025-12-15 | A |
| Pena Fernando Austin | Director · Officer | 70,047 | 2026-09-30 | S |
| HATKOFF CRAIG M | Director | 68,078 | 2010-03-31 | A |
| Lynch Nnenna | Director | 44,824 | 2026-10-15 | A |
| EDLELMAN MARTIN L | Director | 42,407 | 2009-03-31 | A |
| Ruffing Thomas C | Officer | 28,872 | 2020-12-08 | S |
| Perez-Alvarado Gilda | Director | 26,504 | 2026-06-26 | A |
| Jervis Geoffrey G | Officer | 25,400 | 2013-05-29 | P |
| URBASZEK MARCIN | Officer | 23,960 | 2026-09-17 | S |
| Quinlan Paul D | Officer | 22,376 | 2016-01-29 | S |
| Rothschild Randall S. | Officer | 15,473 | 2015-12-31 | S |
| Hsu Chen Yi | Director | 11,326 | 2026-10-15 | A |
| POLAN JOSHUA A | Director | 0 | 2014-06-30 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-15 | Lynch Nnenna | Grant / award | 1,872 | $10.78 | 44,824 |
| 2026-10-15 | SAGALYN LYNNE B | Grant / award | 6,428 | $10.78 | 173,067 |
| 2026-10-15 | Hsu Chen Yi | Grant / award | 295 | $10.78 | 11,326 |
| 2026-10-15 | NASSAU HENRY N | Grant / award | 4,967 | $10.78 | 223,490 |
| 2026-10-15 | Cotton Leonard W | Grant / award | 2,989 | $10.78 | 101,992 |
| 2026-09-30 | Pena Fernando Austin | Open-market sale | 1,725 | $11.65 | 70,047 |
| 2026-09-17 | Pena Fernando Austin | Open-market sale | 1,127 | $13.42 | 71,772 |
| 2026-09-17 | URBASZEK MARCIN | Open-market sale | 864 | $13.42 | 23,960 |
| 2026-08-04 | NASSAU HENRY N | Open-market buy | 10,000 | $14.34 | 218,523 |
| 2026-07-15 | Cotton Leonard W | Grant / award | 1,831 | $17.12 | 98,827 |
| 2026-07-15 | Hsu Chen Yi | Grant / award | 181 | $17.12 | 11,031 |
| 2026-07-15 | NASSAU HENRY N | Grant / award | 3,044 | $17.12 | 208,523 |
| 2026-07-15 | SAGALYN LYNNE B | Grant / award | 3,939 | $17.12 | 166,639 |
| 2026-07-15 | Lynch Nnenna | Grant / award | 1,147 | $17.12 | 42,952 |
| 2026-06-30 | Pena Fernando Austin | Open-market sale | 1,670 | $17.07 | 72,899 |
| 2026-06-26 | Nash Michael B. | Grant / award | 6,597 | $17.43 | 558,272 |
| 2026-06-26 | Lynch Nnenna | Grant / award | 6,597 | $17.43 | 41,805 |
| 2026-06-26 | Perez-Alvarado Gilda | Grant / award | 6,597 | $17.43 | 26,504 |
| 2026-06-26 | SAGALYN LYNNE B | Grant / award | 6,597 | $17.43 | 162,700 |
| 2026-06-26 | Cotton Leonard W | Grant / award | 6,597 | $17.43 | 96,890 |
| 2026-06-26 | Hsu Chen Yi | Grant / award | 6,597 | $17.43 | 10,850 |
| 2026-06-26 | NASSAU HENRY N | Grant / award | 6,597 | $17.43 | 205,479 |
| 2026-06-25 | Pena Fernando Austin | Open-market sale | 2,398 | $17.48 | 74,569 |
| 2026-06-17 | URBASZEK MARCIN | Open-market sale | 1,352 | $18.35 | 24,824 |
| 2026-04-15 | Lynch Nnenna | Grant / award | 803 | $20.12 | 35,208 |
| 2026-04-15 | SAGALYN LYNNE B | Grant / award | 3,275 | $20.12 | 156,103 |
| 2026-04-15 | Cotton Leonard W | Grant / award | 1,523 | $20.12 | 90,293 |
| 2026-04-15 | NASSAU HENRY N | Grant / award | 2,531 | $20.12 | 198,882 |
| 2026-03-31 | Pena Fernando Austin | Open-market sale | 1,666 | $18.88 | 76,967 |
| 2026-03-17 | URBASZEK MARCIN | Open-market sale | 452 | $19.13 | 26,176 |
| 2026-01-15 | Lynch Nnenna | Grant / award | 809 | $19.50 | 34,405 |
| 2026-01-15 | NASSAU HENRY N | Grant / award | 2,550 | $19.50 | 196,351 |
| 2026-01-15 | Cotton Leonard W | Grant / award | 1,534 | $19.50 | 88,681 |
| 2026-01-15 | SAGALYN LYNNE B | Grant / award | 3,300 | $19.50 | 152,828 |
| 2025-12-31 | Pena Fernando Austin | Open-market sale | 3,131 | $19.24 | 78,633 |
| 2025-12-25 | SAGALYN LYNNE B | Gift | 10,777 | $0.00 | 149,528 |
| 2025-12-17 | Marone Anthony F. JR | Open-market sale | 1,012 | $20.31 | 75,500 |
| 2025-12-17 | URBASZEK MARCIN | Open-market sale | 400 | $20.29 | 26,628 |
| 2025-12-15 | Pena Fernando Austin | Grant / award | 36,843 | $0.00 | 81,764 |
| 2025-12-15 | Johnson Timothy Steven | Grant / award | 54,799 | $0.00 | 527,900 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.