| 1 | Boardwalk ML Holdco III L.P. Boardwalk ML Holdco III GP LLC Boardwalk ML Holdco IV L.P. Boardwalk ML Holdco IV GP LLC 10% Owner | 2026-09-17 16:50:22 | 0 150,528,501 | 150,528,501 | Form 3 |
| 2 | Submarine Buyer LLC Boardwalk II Aggregator L.P. Submarine Buyer Holdco LLC Boardwalk I Aggregator L.P. BCP 9 Holdings Manager L.L.C. Blackstone Management Associates IX L.P. BMA IX L.L.C. 10% Owner | 2026-08-26 16:30:16 | 0 107,112,857 | 107,112,857 | Form 4 |
| 3 | Blackstone Holdings II L.P. Blackstone Holdings I/II GP L.L.C. Blackstone Inc. Blackstone Group Management L.L.C. SCHWARZMAN STEPHEN A 10% Owner | 2026-08-26 16:30:12 | 0 107,112,857 | 107,112,857 | Form 4 |
| 4 | Boardwalk ML Holdco I L.P. Boardwalk ML Holdco I GP LLC Boardwalk ML Holdco II L.P. Boardwalk ML Holdco II GP LLC Boardwalk ML Holdco III L.P. Boardwalk ML Holdco III GP LLC 10% Owner | 2026-10-02 16:30:17 | 0 79,327,865 | 79,327,865 | Form 4 |
| 5 | Boardwalk I UNLV Holdco LP Boardwalk II UNLV Holdco LP Boardwalk BXPE Holdco LP 10% Owner | 2026-10-02 16:30:19 | 0 76,236,884 | 76,236,884 | Form 3 |
| 6 | Cancro Peter Director | 2026-07-30 16:30:15 | 0 60,621,560 | 60,621,560 | Form 3 |
| 7 | Abu Dhabi Investment Authority Platinum International Investment Holding RSC Ltd Platinum Falcon B 2018 RSC Ltd 10% Owner | 2026-10-26 06:02:54 | 35,732,138 0 | 35,732,138 | Form 13G |
| 8 | Morrison Charles R CEO | 2026-07-30 16:30:07 | 50,418 1,519,834 | 1,570,252 | Form 3 |
| 9 | ALLEN MICHELE Chief Financial Officer | 2026-08-04 16:30:05 | 10,043 292,311 | 302,354 | Form 4 |
| 10 | Peterson Stacy President and COO | 2026-08-04 16:30:08 | 15,000 272,136 | 287,136 | Form 4 |
| 11 | Mercado Betsy Chief People Officer | 2026-08-04 16:30:25 | 800 193,760 | 194,560 | Form 4 |
| 12 | McLester Scott G General Counsel | 2026-07-30 16:30:17 | 0 190,495 | 190,495 | Form 3 |
| 13 | TRAVIS NIGEL Chairman | 2026-08-04 16:30:15 | 0 135,689 | 135,689 | Form 4 |
| 14 | MILLER CHERYL Director | 2026-07-30 16:30:04 | 31,838 41,959 | 73,797 | Form 3 |
| 15 | Horowitz Fran Director | 2026-07-30 16:30:04 | 25,258 33,694 | 58,952 | Form 3 |
| 16 | Whalen James J. Chief Accounting Officer | 2026-08-04 16:30:15 | 2,500 55,881 | 58,381 | Form 4 |
| 17 | SKEHAN ANDREW G See Remarks | 2026-08-04 16:30:10 | 10,000 0 | 10,000 | Form 4 |
| 18 | Bromberg Matthew S Director | 2026-09-18 16:30:15 | 5,434 0 | 5,434 | Form 4 |
| 19 | Staub Michael J Director | 2026-07-30 16:30:26 | 0 0 | 0 | Form 3 |
| 20 | Kestnbaum David N. Director | 2026-07-30 16:30:23 | 0 0 | 0 | Form 3 |
| 21 | Rinker Devon Director | 2026-07-30 16:30:11 | 0 0 | 0 | Form 3 |