Senior insider sale

PRESIDENT, GLOBAL BUS. UNITS at LUMENTUM HOLDINGS INC. — senior position signals high conviction

$7.05M

8K shares

What this filing means

WUPEN YUEN plans to sell 8K shares of LUMENTUM HOLDINGS INC. valued at approximately $7.05M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

WUPEN YUEN

Filed: 9/9/2026ACC: 0001950047-26-009234

InsiderWUPEN YUENCIK 1489550

→

IssuerLUMENTUM HOLDINGS INC.CIK 1633978

Officer· PRESIDENT, GLOBAL BUS. UNITS

Since Feb 2026

Shares to sell

$7.05M

Approx. market value

500.00

Acquired (3 months)

Planned

13 completed

Securities Acquired — Last 3 Months1

Sort

Performance Shares

Not Applicable

8/21/2025

500.00

Total acquired500.00

Acquisition Date	Type	Amount Acquired	Gift
8/21/2025	Performance Shares Not Applicable	500.00	—
Total		500.00

Planned & Completed Dispositions14

Sort

Completed

—Completed

Units to sell

500.00

Market value

$448.0K

9/8/2026

—Completed

Units to sell

500.00

Market value

$430.0K

9/4/2026

—Completed

Units to sell

500.00

Market value

$435.0K

9/3/2026

—Completed

Units to sell

500.00

Market value

$432.2K

9/2/2026

—Completed

Units to sell

500.00

Market value

$450.5K

9/1/2026

—Completed

Units to sell

500.00

Market value

$447.5K

8/31/2026

—Completed

Units to sell

500.00

Market value

$470.5K

8/28/2026

—Completed

Units to sell

500.00

Market value

$479.3K

8/27/2026

—Completed

Units to sell

500.00

Market value

$441.1K

8/26/2026

—Completed

Units to sell

500.00

Market value

$428.3K

8/25/2026

—Completed

Units to sell

500.00

Market value

$412.1K

8/24/2026

—Completed

Units to sell

500.00

Market value

$449.1K

8/21/2026

—Completed

Units to sell

1.50K

Market value

$1.24M

8/20/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

500.00

Market value

$489.3K

9/9/2026

Total

Units

Value

$7.05M

Date	Units to Sell	Approx. Market Value	Exchange	Status
Completed
9/8/2026	500.00	$448.0K	—	Completed
9/4/2026	500.00	$430.0K	—	Completed
9/3/2026	500.00	$435.0K	—	Completed
9/2/2026	500.00	$432.2K	—	Completed
9/1/2026	500.00	$450.5K	—	Completed
8/31/2026	500.00	$447.5K	—	Completed
8/28/2026	500.00	$470.5K	—	Completed
8/27/2026	500.00	$479.3K	—	Completed
8/26/2026	500.00	$441.1K	—	Completed
8/25/2026	500.00	$428.3K	—	Completed
8/24/2026	500.00	$412.1K	—	Completed
8/21/2026	500.00	$449.1K	—	Completed
8/20/2026	1.50K	$1.24M	—	Completed
Planned — Approximate Date
9/9/2026	500.00	$489.3K	NASDAQ	Planned
Total	8K	$7.05M