| Sep 10, 2026 | ZMPres. of Engineering & Product | Open-market saleCode S · direct | 206 | $96.37 | $20K@ $96.37 | 149,265 | Form 4 |
| Sep 10, 2026 | ZMPres. of Engineering & Product | Open-market saleCode S · direct | 2,384 | $95.76 | $228K@ $95.76 | 149,471 | Form 4 |
| Sep 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 2,807 | — | — | 0 | Form 4 |
| Sep 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 4,224 | — | — | 0 | Form 4 |
| Sep 9, 2026 | ZMPres. of Engineering & Product | Shares withheld for tax or exercise priceCode F · direct | 3,579 | $96.44 | $345K@ $96.44 | 151,855 | Form 4 |
| Sep 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 7,031 | — | — | 155,434 | Form 4 |
| Jul 15, 2026 | ZMPres. of Engineering & Product | Open-market saleCode S · direct | 7,644 | $91.98 | $703K@ $91.98 | 148,403 | Form 4 |
| Jul 9, 2026 | ZMPres. of Engineering & Product | Shares withheld for tax or exercise priceCode F · direct | 10,559 | $87.40 | $923K@ $87.40 | 156,047 | Form 4 |
| Jul 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 20,751 | — | — | 166,606 | Form 4 |
| Jun 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 2,807 | — | — | 2,807 | Form 4 |
| Jun 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 4,223 | — | — | 4,224 | Form 4 |
| Jun 9, 2026 | ZMPres. of Engineering & Product | Shares withheld for tax or exercise priceCode F · direct | 3,578 | $101.15 | $362K@ $101.15 | 145,423 | Form 4 |
| Jun 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 7,030 | — | — | 149,001 | Form 4 |
| Apr 15, 2026 | ZMPres. of Engineering & Product | Open-market saleCode S · direct | 4,698 | $86.18 | $405K@ $86.18 | 141,971 | Form 4 |
| Apr 15, 2026 | ZMPres. of Engineering & Product | Open-market saleCode S · direct | 1,000 | $85.15 | $85K@ $85.15 | 146,669 | Form 4 |
| Apr 15, 2026 | ZMPres. of Engineering & Product | Open-market saleCode S · direct | 1,947 | $83.80 | $163K@ $83.80 | 147,669 | Form 4 |
| Apr 9, 2026 | ZMPres. of Engineering & Product | Shares withheld for tax or exercise priceCode F · direct | 2,466 | $83.23 | $205K@ $83.23 | 191,676 | Form 4 |
| Apr 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 4,845 | — | — | 194,142 | Form 4 |
| Apr 9, 2026 | ZMPres. of Engineering & Product | Shares withheld for tax or exercise priceCode F · direct | 10,559 | $83.23 | $879K@ $83.23 | 189,297 | Form 4 |
| Apr 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 20,752 | — | — | 199,856 | Form 4 |
| Mar 10, 2026 | ZMPres. of Engineering & Product | Open-market saleCode S · direct | 2,590 | $78.24 | $203K@ $78.24 | 137,044 | Form 4 |
| Mar 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 2,807 | — | — | 5,614 | Form 4 |
| Mar 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 4,224 | — | — | 8,447 | Form 4 |
| Mar 9, 2026 | ZMPres. of Engineering & Product | Shares withheld for tax or exercise priceCode F · direct | 3,579 | $77.50 | $277K@ $77.50 | 139,634 | Form 4 |
| Mar 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 7,031 | — | — | 143,213 | Form 4 |
| Feb 27, 2026 | ZMPres. of Engineering & Product | Grant or awardCode A · direct | 4,845 | — | — | 4,845 | Form 4 |
| Jan 12, 2026 | ZMPres. of Engineering & Product | Open-market saleCode S · direct | 1,811 | $87.21 | $158K@ $87.21 | 136,182 | Form 4 |
| Jan 12, 2026 | ZMPres. of Engineering & Product | Open-market saleCode S · direct | 5,757 | $86.34 | $497K@ $86.34 | 137,993 | Form 4 |
| Jan 9, 2026 | ZMPres. of Engineering & Product | Shares withheld for tax or exercise priceCode F · direct | 10,661 | $85.65 | $913K@ $85.65 | 143,750 | Form 4 |
| Jan 9, 2026 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 20,752 | — | — | 154,411 | Form 4 |
| Dec 10, 2025 | ZMPres. of Engineering & Product | Open-market saleCode S · direct | 2,595 | $87.84 | $228K@ $87.84 | 133,659 | Form 4 |
| Dec 9, 2025 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 2,807 | — | — | 8,421 | Form 4 |
| Dec 9, 2025 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 4,223 | — | — | 12,671 | Form 4 |
| Dec 9, 2025 | ZMPres. of Engineering & Product | Shares withheld for tax or exercise priceCode F · direct | 3,571 | $89.09 | $318K@ $89.09 | 136,254 | Form 4 |
| Dec 9, 2025 | ZMPres. of Engineering & Product | Option exerciseCode M · direct | 7,030 | — | — | 139,825 | Form 4 |