According to recent filings covering the 90 days ending January 01, 2026, the three most significant insider holders at Blackstone Mortgage Trust are Chief Executive Officer Timothy Steven Johnson (527.90K shares), Director Henry N Nassau (193.80K shares), Director Lynne B Sagalyn (149.53K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Michael B. Nash | 551,675 | 30 Jun, 2025 | |
| Timothy Steven Johnson | Chief Executive Officer | 527,900 | 17 Dec, 2025 |
| Jonathan Lee Pollack | 423,055 | 15 Dec, 2023 | |
| Katharine A Keenan | Ceo & President | 230,006 | 18 Sep, 2025 |
| Henry N Nassau | 193,801 | 17 Oct, 2025 | |
| Lynne B Sagalyn | 149,528 | 29 Dec, 2025 | |
| Thomas E Dobrowski | 129,354 | 16 Jan, 2025 | |
| Martin L Edelman | 105,865 | 17 Jan, 2023 | |
| Douglas N. Armer | Executive Vice President | 104,741 | 09 Jun, 2022 |
| Leonard W Cotton | 87,056 | 17 Oct, 2025 | |
| Fernando Austin Pena | President | 81,764 | 17 Dec, 2025 |
| Anthony F. Jr Marone | Chief Financial Officer | 75,500 | 17 Dec, 2025 |
| Nnenna Lynch | 33,596 | 17 Oct, 2025 | |
| Marcin Urbaszek | Deputy Chief Financial Officer | 26,628 | 17 Dec, 2025 |
| Gilda Perez-Alvarado | 19,907 | 30 Jun, 2025 | |
| Chen Yi Hsu | 4,253 | 24 Oct, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 25 Dec, 2025 | Lynne B Sagalyn | Class A Common Stock | D | 10,777 | $0.00 | 149,528 | D | G |
| 15 Dec, 2025 | Timothy Steven Johnson | Class A Common Stock | A | 54,799 | $0.00 | 527,900 | D | A |
| 15 Dec, 2025 | Anthony F. Jr Marone | Class A Common Stock | A | 14,448 | $0.00 | 76,512 | D | A |
| 15 Dec, 2025 | Marcin Urbaszek | Class A Common Stock | A | 15,337 | $0.00 | 27,028 | D | A |
| 15 Dec, 2025 | Fernando Austin Pena | Class A Common Stock | A | 36,843 | $0.00 | 81,764 | D | A |
| 17 Dec, 2025 | Anthony F. Jr Marone | Class A Common Stock | D | 1,012 | $20.31 | 75,500 | D | S |
| 17 Dec, 2025 | Marcin Urbaszek | Class A Common Stock | D | 400 | $20.29 | 26,628 | D | S |
| 01 Dec, 2025 | Anthony F. Jr Marone | Class A Common Stock | D | 506 | $19.38 | 62,064 | D | S |
| 22 Oct, 2025 | Chen Yi Hsu | Class A Common Stock | A | 4,253 | $18.37 | 4,253 | D | A |
| 15 Oct, 2025 | Nnenna Lynch | Class A Common Stock | A | 831 | $18.51 | 33,596 | D | A |
| 15 Oct, 2025 | Leonard W Cotton | Class A Common Stock | A | 1,576 | $18.51 | 87,056 | D | A |
| 15 Oct, 2025 | Henry N Nassau | Class A Common Stock | A | 2,620 | $18.51 | 193,801 | D | A |
| 15 Oct, 2025 | Lynne B Sagalyn | Class A Common Stock | A | 3,391 | $18.51 | 160,305 | D | A |
| 17 Sep, 2025 | Anthony F. Jr Marone | Class A Common Stock | D | 1,006 | $19.48 | 62,570 | D | S |
| 17 Sep, 2025 | Marcin Urbaszek | Class A Common Stock | D | 398 | $19.50 | 11,691 | D | S |
| 17 Sep, 2025 | Katharine A Keenan | - | - | 230,006 | D | |||
| 17 Sep, 2025 | Katharine A Keenan | Class A Common Stock | D | 4,593 | $19.49 | 230,006 | D | S |
| 02 Sep, 2025 | Anthony F. Jr Marone | Class A Common Stock | D | 506 | $19.26 | 63,576 | D | S |
| 02 Sep, 2025 | Katharine A Keenan | Class A Common Stock | D | 2,315 | $19.25 | 234,599 | D | S |
| 15 Jul, 2025 | Henry N Nassau | Class A Common Stock | A | 2,407 | $19.68 | 191,181 | D | A |