| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Retort Vincent | Officer title: Executive Vice President, Module Business Unit R&D and Product Development | C/O LUMENTUM HOLDINGS INC., 1001 RIDDER PARK DRIVE, SAN JOSE | /s/ Jae Kim as Attorney-in-Fact | 18 Feb 2026 | 0001648256 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LITE | Common Stock | Tax liability | $1,710,167 | -3,039 | -3% | $562.74 | 99,416 | 15 Feb 2026 | Direct | F1 |
| transaction | LITE | Common Stock | Sale | $127,393 | -240 | -0.24% | $530.80 | 99,176 | 17 Feb 2026 | Direct | F2, F3 |
| transaction | LITE | Common Stock | Sale | $90,562 | -170 | -0.17% | $532.72 | 99,006 | 17 Feb 2026 | Direct | F2, F4 |
| transaction | LITE | Common Stock | Sale | $2,672 | -5 | -0.01% | $534.35 | 99,001 | 17 Feb 2026 | Direct | F2 |
| transaction | LITE | Common Stock | Sale | $238,822 | -444 | -0.45% | $537.89 | 98,557 | 17 Feb 2026 | Direct | F2, F5 |
| transaction | LITE | Common Stock | Sale | $161,634 | -300 | -0.3% | $538.78 | 98,257 | 17 Feb 2026 | Direct | F2, F6 |
| transaction | LITE | Common Stock | Sale | $60,513 | -112 | -0.11% | $540.29 | 98,145 | 17 Feb 2026 | Direct | F2, F7 |
| transaction | LITE | Common Stock | Sale | $48,646 | -90 | -0.09% | $540.51 | 98,055 | 17 Feb 2026 | Direct | F2 |
| transaction | LITE | Common Stock | Sale | $97,607 | -180 | -0.18% | $542.26 | 97,875 | 17 Feb 2026 | Direct | F2, F8 |
| transaction | LITE | Common Stock | Sale | $71,364 | -130 | -0.13% | $548.95 | 97,745 | 17 Feb 2026 | Direct | F2, F9 |
| transaction | LITE | Common Stock | Sale | $316,726 | -576 | -0.59% | $549.87 | 97,169 | 17 Feb 2026 | Direct | F2, F10 |
| transaction | LITE | Common Stock | Sale | $88,188 | -160 | -0.16% | $551.18 | 97,009 | 17 Feb 2026 | Direct | F2, F11 |
| transaction | LITE | Common Stock | Sale | $151,845 | -275 | -0.28% | $552.16 | 96,734 | 17 Feb 2026 | Direct | F2, F12 |
| transaction | LITE | Common Stock | Sale | $60,842 | -110 | -0.11% | $553.11 | 96,624 | 17 Feb 2026 | Direct | F2, F13 |
| transaction | LITE | Common Stock | Sale | $88,168 | -159 | -0.16% | $554.51 | 96,465 | 17 Feb 2026 | Direct | F2, F14 |
| transaction | LITE | Common Stock | Sale | $102,902 | -185 | -0.19% | $556.23 | 96,280 | 17 Feb 2026 | Direct | F2, F15 |
| transaction | LITE | Common Stock | Sale | $170,142 | -305 | -0.32% | $557.84 | 95,975 | 17 Feb 2026 | Direct | F2, F16 |
Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.
Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
| Id | Content |
|---|---|
| F1 | Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting of restricted stock units. |
| F2 | These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 13, 2025. |
| F3 | These sales were executed in multiple trades at prices ranging from $530.70 to $531.055. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide full information regarding the number of shares sold at each separate price, within the ranges set forth in footnotes (3) through (16) to this Form 4, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer. |
| F4 | These sales were executed in multiple trades at prices ranging from $532.36 to $533.23. |
| F5 | These sales were executed in multiple trades at prices ranging from $537.50 to $538.00. |
| F6 | These sales were executed in multiple trades at prices ranging from $538.50 to $539.34. |
| F7 | These sales were executed in multiple trades at prices ranging from $539.51 to $540.44. |
| F8 | These sales were executed in multiple trades at prices ranging from $541.78 to $542.65. |
| F9 | These sales were executed in multiple trades at prices ranging from $548.345 to $549.22. |
| F10 | These sales were executed in multiple trades at prices ranging from $549.405 to $550.345. |
| F11 | These sales were executed in multiple trades at prices ranging from $550.60 to $551.39. |
| F12 | These sales were executed in multiple trades at prices ranging from $551.93 to $552.81. |
| F13 | These sales were executed in multiple trades at prices ranging from $553.00 to $553.38. |
| F14 | These sales were executed in multiple trades at prices ranging from $554.465 to $554.665. |
| F15 | These sales were executed in multiple trades at prices ranging from $556.05 to $556.405. |
| F16 | These sales were executed in multiple trades at prices ranging from $557.50 to $557.99. |
Officer title: Executive Vice President, Module Business Unit R&D and Product Development