| Aug 17, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 827 | $80.26 | $66K@ $80.26 | 132,916 | Form 4 |
| Aug 17, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 1,952 | $80.26 | $157K@ $80.26 | 133,743 | Form 4 |
| Aug 17, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 943 | $80.26 | $76K@ $80.26 | 131,791 | Form 4 |
| Aug 17, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 2,226 | $80.26 | $179K@ $80.26 | 132,734 | Form 4 |
| Aug 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 360 | $80.26 | $29K@ $80.26 | 134,668 | Form 4 |
| Aug 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 849 | $80.26 | $68K@ $80.26 | 135,028 | Form 4 |
| Aug 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 114 | $80.26 | $9K@ $80.26 | 134,179 | Form 4 |
| Aug 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 269 | $80.26 | $22K@ $80.26 | 134,293 | Form 4 |
| Aug 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 518 | $80.26 | $42K@ $80.26 | 134,024 | Form 4 |
| Aug 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 1,222 | $80.26 | $98K@ $80.26 | 134,542 | Form 4 |
| Aug 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 298 | $80.26 | $24K@ $80.26 | 133,320 | Form 4 |
| Aug 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 702 | $80.26 | $56K@ $80.26 | 133,618 | Form 4 |
| Jul 1, 2026 | MCHPCHIEF OPERATING OFFICER | Grant or awardCode A · direct | 3,524 | — | — | 3,524 | Form 4 |
| Jul 1, 2026 | MCHPCHIEF OPERATING OFFICER | Grant or awardCode A · direct | 3,523 | — | — | 3,523 | Form 4 |
| Jun 4, 2026 | MCHPCHIEF OPERATING OFFICER | Open-market saleCode S · indirect | 5,000 | $97.52 | $488K@ $97.52 | 130,508 | Form 4 |
| May 22, 2026 | MCHPCHIEF OPERATING OFFICER | Open-market saleCode S · indirect | 5,000 | $93.44 | $467K@ $93.44 | 135,508 | Form 4 |
| May 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 182 | $93.85 | $17K@ $93.85 | 140,508 | Form 4 |
| May 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 429 | $93.85 | $40K@ $93.85 | 140,690 | Form 4 |
| May 15, 2026 | MCHPCHIEF OPERATING OFFICER | Open-market saleCode S · indirect | 83 | $93.85 | $8K@ $93.85 | 140,261 | Form 4 |
| May 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 194 | $93.85 | $18K@ $93.85 | 140,344 | Form 4 |
| May 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 616 | $93.85 | $58K@ $93.85 | 140,150 | Form 4 |
| May 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 2,015 | $93.85 | $189K@ $93.85 | 140,766 | Form 4 |
| May 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 463 | $93.85 | $43K@ $93.85 | 138,751 | Form 4 |
| May 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 1,690 | $93.85 | $159K@ $93.85 | 139,214 | Form 4 |
| May 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 335 | $93.85 | $31K@ $93.85 | 137,524 | Form 4 |
| May 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 1,222 | $93.85 | $115K@ $93.85 | 137,859 | Form 4 |
| May 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 192 | $93.85 | $18K@ $93.85 | 136,637 | Form 4 |
| May 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 702 | $93.85 | $66K@ $93.85 | 136,829 | Form 4 |
| May 13, 2026 | MCHPCHIEF OPERATING OFFICER | Open-market saleCode S · indirect | 10,000 | $97.55 | $975K@ $97.55 | 136,127 | Form 4 |
| May 8, 2026 | MCHPCHIEF OPERATING OFFICER | Grant or awardCode A · direct | 371 | — | — | 371 | Form 4 |
| Apr 1, 2026 | MCHPCHIEF OPERATING OFFICER | Grant or awardCode A · direct | 4,780 | — | — | 4,780 | Form 4 |
| Apr 1, 2026 | MCHPCHIEF OPERATING OFFICER | Grant or awardCode A · direct | 4,779 | — | — | 4,779 | Form 4 |
| Apr 1, 2026 | MCHPCHIEF OPERATING OFFICER | Grant or awardCode A · direct | 8,090 | — | — | 8,090 | Form 4 |
| Apr 1, 2026 | MCHPCHIEF OPERATING OFFICER | Grant or awardCode A · direct | 8,089 | — | — | 8,089 | Form 4 |
| Apr 1, 2026 | MCHPCHIEF OPERATING OFFICER | Grant or awardCode A · direct | 10,667 | — | — | 10,667 | Form 4 |
| Mar 2, 2026 | MCHPCHIEF OPERATING OFFICER | Grant or awardCode A · indirect | 431 | $49.26 | $21K@ $49.26 | 159,862 | Form 4 |
| Feb 16, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 28 | $78.94 | $2K@ $78.94 | 159,431 | Form 4 |
| Feb 16, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 99 | $78.94 | $8K@ $78.94 | 159,459 | Form 4 |
| Feb 16, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 31 | $78.94 | $2K@ $78.94 | 159,360 | Form 4 |
| Feb 16, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 110 | $78.94 | $9K@ $78.94 | 159,391 | Form 4 |
| Feb 16, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 186 | $78.94 | $15K@ $78.94 | 159,281 | Form 4 |
| Feb 16, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 678 | $78.94 | $54K@ $78.94 | 159,467 | Form 4 |
| Feb 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 553 | $78.94 | $44K@ $78.94 | 158,789 | Form 4 |
| Feb 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 1,831 | $78.94 | $145K@ $78.94 | 159,342 | Form 4 |
| Feb 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 334 | $78.94 | $26K@ $78.94 | 157,511 | Form 4 |
| Feb 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 1,219 | $78.94 | $96K@ $78.94 | 157,845 | Form 4 |
| Feb 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 335 | $78.94 | $26K@ $78.94 | 156,626 | Form 4 |
| Feb 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 1,222 | $78.94 | $96K@ $78.94 | 156,961 | Form 4 |
| Feb 15, 2026 | MCHPCHIEF OPERATING OFFICER | Shares withheld for tax or exercise priceCode F · indirect | 192 | $78.94 | $15K@ $78.94 | 155,739 | Form 4 |
| Feb 15, 2026 | MCHPCHIEF OPERATING OFFICER | Option exerciseCode M · indirect | 702 | $78.94 | $55K@ $78.94 | 155,931 | Form 4 |
| Feb 6, 2026 | MCHPCHIEF OPERATING OFFICER | Grant or awardCode A · direct | 608 | — | — | 608 | Form 4 |
| Jan 20, 2026 | AITDirector | Grant or awardCode A · direct | 572 | — | — | 1,490 | Form 4 |
| Jan 2, 2026 | MCHPCHIEF OPERATING OFFICER | Grant or awardCode A · direct | 4,806 | — | — | 4,806 | Form 4 |
| Jan 2, 2026 | MCHPCHIEF OPERATING OFFICER | Grant or awardCode A · direct | 4,805 | — | — | 4,805 | Form 4 |
| May 15, 2024 | MCHPCHIEF OPERATING OFFICER | GiftCode G · indirect | 1,075 | $95.36 | $103K@ $95.36 | 146,127 | Form 4 |