The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | Miller Stephen L | Chief Operating Officer | Grant(A) | 88K | — | — |
| Aug 19, 2026 | Boyle James M | Chief Executive Officer, Director | Grant(A) | 764K | — | — |
| Aug 14, 2026 | GIC Private Ltd | 10% Owner | Sell(S) | 100K | $35.80 | $3.6M |
| Aug 13, 2026 | GIC Private Ltd | 10% Owner | Sell(S) | 1.5M | $35.80 | $53.7M |
| Aug 7, 2026 | GIC Private Ltd | 10% Owner | Sell(S) | 590K | $35.58 | $21.0M |
| Aug 6, 2026 | GIC Private Ltd | 10% Owner | Sell(S) | 272K | $35.33 | $9.6M |
| Aug 6, 2026 | Mozart Holdco, Inc. | 10% Owner | Conversion(C) | 500K | — | $0 |
| Aug 6, 2026 | Mozart Holdco, Inc. | 10% Owner | Other(J) | 500K | — | $0 |
| Aug 6, 2026 | Mozart Holdco, Inc. | 10% Owner | Conversion(C) | 500K | — | $0 |
| Aug 5, 2026 | GIC Private Ltd | 10% Owner | Sell(S) | 1.7M | $35.46 | $60.7M |
| Aug 5, 2026 | GIC Private Ltd | 10% Owner | Sell(S) | 266K | $36.48 | $9.7M |
| Jun 16, 2026 | Golwas Douglas P | Chief Commercial Officer, 10% Owner | Option exercise(M) | 100K | — | — |
| Jun 16, 2026 | Golwas Douglas P | Chief Commercial Officer, 10% Owner | Sell(S) | 62K | $36.60 | $2.3M |
| Jun 16, 2026 | Golwas Douglas P | Chief Commercial Officer, 10% Owner | Sell(S) | 38K | $37.05 | $1.4M |
| Jun 16, 2026 | Golwas Douglas P | Chief Commercial Officer, 10% Owner | Disposed to issuer(D) | 100K | — | — |
| Jun 16, 2026 | Golwas Douglas P | Chief Commercial Officer, 10% Owner | Option exercise(M) | 100K | — | $0 |
| Jun 15, 2026 | Drazin Michael B | Chief Financial Officer | Tax withholding(F) | 2K | $36.61 | $69K |
| Jun 15, 2026 | Shryock Christopher P | Chief Human Resources Officer | Tax withholding(F) | 872 | $36.61 | $32K |
| Jun 15, 2026 | Boyle James M | Chief Executive Officer, Director | Tax withholding(F) | 2K | $36.61 | $87K |
| Jun 15, 2026 | Golwas Douglas P | Chief Commercial Officer, 10% Owner | Tax withholding(F) | 2K | $36.61 | $69K |
| Jun 15, 2026 | Miller Stephen L | Chief Operating Officer | Tax withholding(F) | 2K | $36.61 | $69K |
| Jun 15, 2026 | Liberman Alexander M. | Chief Legal Officer | Tax withholding(F) | 872 | $36.61 | $32K |
| Jun 15, 2026 | Laabs Amanda H. | Chief Product Officer | Tax withholding(F) | 2K | $36.61 | $69K |
| Jun 15, 2026 | Abrams William J | See Remarks | Tax withholding(F) | 1K | $36.61 | $48K |
| Jun 11, 2026 | Sweet Thomas W | Director | Grant(A) | 5K | — | $0 |
| Jun 11, 2026 | Galanti Richard A | Director | Grant(A) | 5K | — | $0 |
| Jun 11, 2026 | Bluedorn Todd M | Director | Grant(A) | 5K | — | $0 |
| Jun 5, 2026 | Corcoran Jessi L | Principal Accounting Officer | Buy(P) | 5K | $34.15 | $171K |
| May 28, 2026 | BX Mozart ML-2 Holdco L.P. | 10% Owner | Sell(S) | 19.7M | $36.54 | $720.2M |
| May 28, 2026 | BX Mozart ML-2 Holdco L.P. | 10% Owner | Sell(S) | 9.9M | $36.54 | $360.2M |
| May 28, 2026 | BX Mozart ML-2 Holdco L.P. | 10% Owner | Sell(S) | 2.3M | $36.54 | $82.5M |
| May 28, 2026 | BX Mozart ML-2 Holdco L.P. | 10% Owner | Sell(S) | 1.5M | $36.54 | $54.4M |
| May 28, 2026 | BX Mozart ML-2 Holdco L.P. | 10% Owner | Other(J) | 438K | — | — |
| May 28, 2026 | Hellman & Friedman Capital Partners X (Parallel), L.P. | 10% Owner | Sell(S) | 17.9M | $36.54 | $655.8M |
| May 28, 2026 | Hellman & Friedman Capital Partners X (Parallel), L.P. | 10% Owner | Sell(S) | 754K | $36.54 | $27.5M |
| May 28, 2026 | Hellman & Friedman Capital Partners X (Parallel), L.P. | 10% Owner | Sell(S) | 11.9M | $36.54 | $435.0M |
| May 28, 2026 | Hellman & Friedman Capital Partners X (Parallel), L.P. | 10% Owner | Sell(S) | 1.3M | $36.54 | $46.1M |
| May 28, 2026 | Hellman & Friedman Capital Partners X (Parallel), L.P. | 10% Owner | Other(J) | 210K | — | — |
| May 28, 2026 | Hellman & Friedman Capital Partners X (Parallel), L.P. | 10% Owner | Other(J) | 1.5M | — | — |
| May 28, 2026 | Hellman & Friedman Capital Partners X (Parallel), L.P. | 10% Owner | Other(J) | 141K | — | — |
| May 28, 2026 | BCP 8 Holdings Mozart Manager L.L.C. | 10% Owner | Sell(S) | 19.7M | $36.54 | $720.2M |
| May 28, 2026 | BCP 8 Holdings Mozart Manager L.L.C. | 10% Owner | Sell(S) | 9.9M | $36.54 | $360.2M |
| May 28, 2026 | BCP 8 Holdings Mozart Manager L.L.C. | 10% Owner | Sell(S) | 2.3M | $36.54 | $82.5M |
| May 28, 2026 | BCP 8 Holdings Mozart Manager L.L.C. | 10% Owner | Sell(S) | 1.5M | $36.54 | $54.4M |
| May 28, 2026 | BCP 8 Holdings Mozart Manager L.L.C. | 10% Owner | Other(J) | 438K | — | — |
| May 28, 2026 | Healy Patrick J | Director | Other(J) | 180K | — | — |
| May 28, 2026 | Healy Patrick J | Director | Other(J) | 22K | — | — |
| May 21, 2026 | BCP 8 Holdings Mozart Manager L.L.C. | 10% Owner | Conversion(C) | 9.9M | — | — |
| May 21, 2026 | BCP 8 Holdings Mozart Manager L.L.C. | 10% Owner | Conversion(C) | 1.5M | — | — |
| May 21, 2026 | BCP 8 Holdings Mozart Manager L.L.C. | 10% Owner | Other(J) | 9.9M | — | — |
| May 21, 2026 | BCP 8 Holdings Mozart Manager L.L.C. | 10% Owner | Other(J) | 1.5M | — | — |
| May 21, 2026 | BCP 8 Holdings Mozart Manager L.L.C. | 10% Owner | Conversion(C) | 9.9M | — | $0 |
| May 21, 2026 | BCP 8 Holdings Mozart Manager L.L.C. | 10% Owner | Conversion(C) | 1.5M | — | $0 |
| May 21, 2026 | BX Mozart ML-1 Holdco L.P. | 10% Owner | Conversion(C) | 9.9M | — | — |
| May 21, 2026 | BX Mozart ML-1 Holdco L.P. | 10% Owner | Conversion(C) | 1.5M | — | — |
| May 21, 2026 | BX Mozart ML-1 Holdco L.P. | 10% Owner | Other(J) | 9.9M | — | — |
| May 21, 2026 | BX Mozart ML-1 Holdco L.P. | 10% Owner | Other(J) | 1.5M | — | — |
| May 21, 2026 | BX Mozart ML-1 Holdco L.P. | 10% Owner | Conversion(C) | 9.9M | — | $0 |
| May 21, 2026 | BX Mozart ML-1 Holdco L.P. | 10% Owner | Conversion(C) | 1.5M | — | $0 |
| May 21, 2026 | Hellman & Friedman Capital Partners X (Parallel), L.P. | 10% Owner | Conversion(C) | 18.2M | — | — |
| May 21, 2026 | Hellman & Friedman Capital Partners X (Parallel), L.P. | 10% Owner | Other(J) | 18.2M | — | — |
| May 21, 2026 | Hellman & Friedman Capital Partners X (Parallel), L.P. | 10% Owner | Conversion(C) | 18.2M | — | — |
| Mar 10, 2026 | Mozart Aggregator II UNLV Holdco L.P. | 10% Owner | Other(J) | 366K | — | — |
| Mar 10, 2026 | Mozart Aggregator II UNLV Holdco L.P. | 10% Owner | Sell(S) | 1.2M | $40.51 | $50.5M |
| Mar 10, 2026 | Mozart Aggregator II UNLV Holdco L.P. | 10% Owner | Sell(S) | 1.9M | $40.51 | $76.4M |
| Mar 10, 2026 | Mozart Aggregator II UNLV Holdco L.P. | 10% Owner | Sell(S) | 8.2M | $40.51 | $333.9M |
| Mar 10, 2026 | Mozart Aggregator II UNLV Holdco L.P. | 10% Owner | Sell(S) | 16.5M | $40.51 | $667.6M |
| Mar 10, 2026 | Blackstone Group Management L.L.C. | 10% Owner | Other(J) | 366K | — | — |
| Mar 10, 2026 | Blackstone Group Management L.L.C. | 10% Owner | Sell(S) | 1.2M | $40.51 | $50.5M |
| Mar 10, 2026 | Blackstone Group Management L.L.C. | 10% Owner | Sell(S) | 1.9M | $40.51 | $76.4M |
| Mar 10, 2026 | Blackstone Group Management L.L.C. | 10% Owner | Sell(S) | 16.5M | $40.51 | $667.6M |
| Mar 10, 2026 | Blackstone Group Management L.L.C. | 10% Owner | Sell(S) | 8.2M | $40.51 | $333.9M |
| Mar 10, 2026 | HFCP X (Parallel-A), L.P. | 10% Owner | Sell(S) | 630K | $40.51 | $25.5M |
| Mar 10, 2026 | HFCP X (Parallel-A), L.P. | 10% Owner | Sell(S) | 14.6M | $40.51 | $593.1M |
| Mar 10, 2026 | HFCP X (Parallel-A), L.P. | 10% Owner | Other(J) | 114K | — | — |
| Mar 10, 2026 | HFCP X (Parallel-A), L.P. | 10% Owner | Sell(S) | 9.8M | $40.51 | $397.1M |
| Mar 10, 2026 | HFCP X (Parallel-A), L.P. | 10% Owner | Sell(S) | 1.1M | $40.51 | $42.9M |
| Mar 10, 2026 | HFCP X (Parallel-A), L.P. | 10% Owner | Other(J) | 539K | — | — |
| Mar 10, 2026 | HFCP X (Parallel-A), L.P. | 10% Owner | Other(J) | 1.4M | — | — |
| Mar 10, 2026 | Healy Patrick J | Director | Other(J) | 508K | — | — |
| Mar 10, 2026 | Healy Patrick J | Director | Other(J) | 70K | — | — |
| Mar 10, 2026 | TC Group Cayman Investment Holdings Sub L.P. | 10% Owner | Sell(S) | 26.1M | $41.00 | $1.1B |
| Mar 10, 2026 | TC Group Cayman Investment Holdings Sub L.P. | 10% Owner | Other(J) | 2.1M | — | — |
| Mar 10, 2026 | CP Circle ML-5 Holdco, L.P. | 10% Owner | Sell(S) | 26.1M | $41.00 | $1.1B |
| Mar 10, 2026 | CP Circle ML-5 Holdco, L.P. | 10% Owner | Other(J) | 2.1M | — | — |
| Mar 10, 2026 | CPEP Circle Holdings L.P. | 10% Owner | Other(J) | 2.1M | — | — |
| Mar 10, 2026 | CPEP Circle Holdings L.P. | 10% Owner | Sell(S) | 26.1M | $41.00 | $1.1B |
| Mar 10, 2026 | CG Subsidiary Holdings L.L.C. | 10% Owner | Other(J) | 2.1M | — | — |
| Mar 10, 2026 | CG Subsidiary Holdings L.L.C. | 10% Owner | Sell(S) | 26.1M | $41.00 | $1.1B |
| Mar 5, 2026 | Liberman Alexander M. | Chief Legal Officer | Grant(A) | 12K | — | $0 |
| Mar 5, 2026 | Drazin Michael B | Chief Financial Officer | Grant(A) | 26K | — | $0 |
| Mar 5, 2026 | Shryock Christopher P | Chief Human Resources Officer | Grant(A) | 12K | — | $0 |
| Mar 5, 2026 | Miller Stephen L | Chief Operating Officer | Grant(A) | 26K | — | $0 |
| Mar 5, 2026 | Boyle James M | Chief Executive Officer, Director | Grant(A) | 32K | — | $0 |
| Mar 5, 2026 | Abrams William J | See Remarks | Grant(A) | 18K | — | $0 |
| Mar 5, 2026 | Laabs Amanda H. | Chief Product Officer | Grant(A) | 26K | — | $0 |
| Mar 5, 2026 | Golwas Douglas P | Chief Commercial Officer | Grant(A) | 26K | — | $0 |
| Mar 5, 2026 | BX Mozart ML-1 Holdco L.P. | 10% Owner | Other(J) | 162K | — | — |
| Mar 5, 2026 | BX Mozart ML-1 Holdco L.P. | 10% Owner | Other(J) | 1.1M | — | — |
| Mar 5, 2026 | BX Mozart ML-1 Holdco L.P. | 10% Owner | Conversion(C) | 162K | — | — |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-03. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for MDLN