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 3, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 22K | $12.54 | $277K |
| Jul 28, 2026 | Cox Troy | Director | Buy(P) | 16K | $9.52 | $149K |
| Jul 17, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 17K | $37.90 | $636K |
| Jul 17, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 2K | $37.90 | $79K |
| Jul 17, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 1K | $37.90 | $43K |
| Jul 17, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 4K | $37.90 | $139K |
| Jul 17, 2026 | Gillis Jonathan | CAO and Interim CFO | Sell(S) | 600 | $36.51 | $22K |
| Jul 17, 2026 | Gillis Jonathan | CAO and Interim CFO | Sell(S) | 17K | $37.61 | $638K |
| Jul 17, 2026 | Gillis Jonathan | CAO and Interim CFO | Sell(S) | 900 | $38.17 | $34K |
| Jul 17, 2026 | Kreitzer Anatol | Chief Discovery Officer | Sell(S) | 3K | $37.05 | $105K |
| Jul 17, 2026 | Kreitzer Anatol | Chief Discovery Officer | Sell(S) | 14K | $37.70 | $533K |
| Jul 17, 2026 | Kreitzer Anatol | Chief Discovery Officer | Sell(S) | 200 | $38.39 | $8K |
| Jul 16, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 41K | $36.46 | $1.5M |
| Jul 16, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 28K | $37.26 | $1.0M |
| Jul 16, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 92 | $37.96 | $3K |
| Jul 16, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 5K | $36.45 | $183K |
| Jul 16, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 4K | $37.26 | $131K |
| Jul 16, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 12 | $37.96 | $456 |
| Jul 16, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 5K | $36.45 | $174K |
| Jul 16, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 3K | $37.26 | $124K |
| Jul 16, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 11 | $37.96 | $418 |
| Jul 16, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 9K | $36.46 | $334K |
| Jul 16, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 6K | $37.26 | $219K |
| Jul 16, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 19 | $37.96 | $721 |
| Jul 16, 2026 | Gillis Jonathan | CAO and Interim CFO | Sell(S) | 7K | $36.66 | $256K |
| Jul 16, 2026 | Gillis Jonathan | CAO and Interim CFO | Sell(S) | 1K | $37.44 | $55K |
| Jul 16, 2026 | Kreitzer Anatol | Chief Discovery Officer | Sell(S) | 7K | $36.66 | $274K |
| Jul 16, 2026 | Kreitzer Anatol | Chief Discovery Officer | Sell(S) | 2K | $37.44 | $60K |
| Jul 15, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 19K | $36.00 | $682K |
| Jul 15, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 43K | $36.99 | $1.6M |
| Jul 15, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 90 | $37.54 | $3K |
| Jul 15, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 2K | $36.00 | $81K |
| Jul 15, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 5K | $36.99 | $199K |
| Jul 15, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 12 | $37.54 | $450 |
| Jul 15, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 2K | $36.00 | $77K |
| Jul 15, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 5K | $36.99 | $189K |
| Jul 15, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 10 | $37.54 | $375 |
| Jul 15, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 7K | $36.16 | $259K |
| Jul 15, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 8K | $37.04 | $291K |
| Jul 15, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 4K | $36.00 | $161K |
| Jul 15, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 9K | $36.99 | $332K |
| Jul 15, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 18 | $37.54 | $676 |
| Jul 15, 2026 | Gillis Jonathan | CAO and Interim CFO | Sell(S) | 5K | $36.13 | $194K |
| Jul 15, 2026 | Gillis Jonathan | CAO and Interim CFO | Sell(S) | 5K | $36.94 | $174K |
| Jul 15, 2026 | Kreitzer Anatol | Chief Discovery Officer | Sell(S) | 6K | $36.13 | $200K |
| Jul 15, 2026 | Kreitzer Anatol | Chief Discovery Officer | Sell(S) | 5K | $36.94 | $167K |
| Jun 23, 2026 | Babler Martin | Director | Grant(A) | 8K | — | $0 |
| Jun 23, 2026 | Babler Martin | Director | Grant(A) | 30K | — | $0 |
| Jun 23, 2026 | Cox Troy | Director | Grant(A) | 8K | — | $0 |
| Jun 23, 2026 | Cox Troy | Director | Grant(A) | 30K | — | $0 |
| Jun 23, 2026 | Garnett Timothy John | Director | Grant(A) | 4K | — | $0 |
| Jun 23, 2026 | Garnett Timothy John | Director | Grant(A) | 15K | — | $0 |
| Jun 23, 2026 | Walker Maria C | Director | Grant(A) | 4K | — | $0 |
| Jun 23, 2026 | Walker Maria C | Director | Grant(A) | 15K | — | $0 |
| Jun 23, 2026 | Luneborg Nanna Liebach | Director | Grant(A) | 4K | — | $0 |
| Jun 23, 2026 | Luneborg Nanna Liebach | Director | Grant(A) | 15K | — | $0 |
| Jun 23, 2026 | Pavlov George | Director | Grant(A) | 4K | — | $0 |
| Jun 23, 2026 | Pavlov George | Director | Grant(A) | 15K | — | $0 |
| May 18, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 118K | $27.19 | $3.2M |
| May 18, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 198 | $28.15 | $6K |
| May 11, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 284 | $27.61 | $8K |
| May 11, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 846 | $28.70 | $24K |
| May 11, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 7K | $30.04 | $210K |
| May 11, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 6K | $30.56 | $177K |
| May 11, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 342 | $27.57 | $9K |
| May 11, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 877 | $28.70 | $25K |
| May 11, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 7K | $30.04 | $206K |
| May 11, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 6K | $30.56 | $180K |
| May 8, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 30K | $27.48 | $814K |
| May 8, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 2K | $28.56 | $45K |
| May 8, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 3K | $29.20 | $94K |
| May 7, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 4K | $28.52 | $123K |
| May 7, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 117 | $29.10 | $3K |
| May 7, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 721 | $28.28 | $20K |
| May 7, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 15K | $28.47 | $424K |
| May 7, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 5K | $29.15 | $152K |
| May 6, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 8K | $28.04 | $229K |
| May 6, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 16K | $29.13 | $463K |
| May 6, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 8K | $28.04 | $227K |
| May 6, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 16K | $29.13 | $455K |
| May 6, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 8K | $28.04 | $235K |
| May 6, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 16K | $29.13 | $478K |
| May 6, 2026 | Setia Vishwas | Chief Financial Officer | Sell(S) | 8K | $28.04 | $238K |
| May 6, 2026 | Setia Vishwas | Chief Financial Officer | Sell(S) | 2K | $29.07 | $60K |
| May 5, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 10K | $28.12 | $271K |
| May 5, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 931 | $29.00 | $27K |
| May 5, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 10K | $28.12 | $268K |
| May 5, 2026 | Kroeger Christopher A. | Chief Executive Officer, Director | Sell(S) | 928 | $29.00 | $27K |
| May 5, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 10K | $28.12 | $285K |
| May 5, 2026 | Lillie James Woodruff | Chief Scientific Officer | Sell(S) | 963 | $29.00 | $28K |
| May 5, 2026 | Setia Vishwas | Chief Financial Officer | Sell(S) | 10K | $28.12 | $279K |
| May 5, 2026 | Setia Vishwas | Chief Financial Officer | Sell(S) | 968 | $29.00 | $28K |
| May 4, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 9K | $27.50 | $248K |
| May 4, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 4K | $28.29 | $111K |
| May 4, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 296 | $29.56 | $9K |
| May 4, 2026 | Hanson Kristopher | General Counsel | Sell(S) | 683 | $30.08 | $21K |
| May 4, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 9K | $27.50 | $252K |
| May 4, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 5K | $28.37 | $155K |
| May 4, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 312 | $29.56 | $9K |
| May 4, 2026 | Foff Erin Pennock | Chief Medical Officer | Sell(S) | 700 | $30.08 | $21K |
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 2019-12-30 → 2026-08-06. 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 MPLT