Question 1

Who are the insiders buying Lumentum Holdings Inc. stock?

Accepted Answer

InsiderAct tracks all open-market purchases of Lumentum Holdings Inc. stock by corporate insiders — including officers, directors, and shareholders owning more than 10% — sourced from public SEC Form 4 filings.

Question 2

What does insider buying at a company mean?

Accepted Answer

When a corporate officer, director, or major shareholder purchases their own company's stock on the open market using personal funds, it signals confidence in the company's outlook. This is especially meaningful when multiple insiders buy within the same 7–14 day window (cluster buying) or when the purchase size exceeds $100,000.

Question 3

How do I find cluster buying signals for a company?

Accepted Answer

InsiderAct automatically detects cluster buying — two or more insiders independently purchasing shares within a 14-day window. When a cluster buy signal is active for a company, it appears prominently on the company's InsiderAct page and on the Signals tab.

Question 4

Has Lumentum Holdings Inc. had any recent large insider purchases?

Accepted Answer

InsiderAct tracks all open-market purchases of $100,000 or more at Lumentum Holdings Inc.. Large insider purchases are flagged as high-conviction signals because they represent meaningful personal capital commitments by executives or directors who have direct visibility into the company's operations and prospects.

Question 5

Where do the insider transactions on this page come from?

Accepted Answer

All transactions shown on InsiderAct company pages are sourced directly from SEC EDGAR Form 4 filings — the mandatory public disclosures that corporate insiders must submit within 2 business days of any stock transaction. InsiderAct ingests these filings in near real time and filters for open-market purchases and sales.


2026-09-02	2026-08-31	Wupen Yuen	President	Sale	500	$895.00	$447,500
2026-09-02	2026-08-28	Wupen Yuen	President	Sale	500	$940.95	$470,475
2026-09-02	2026-09-01	Wupen Yuen	President	Sale	500	$901.04	$450,520
2026-08-28	2026-08-27	Hurlston Michael E.	CEO	Sale	548	$958.66	$525,346
2026-08-28	2026-08-25	Wupen Yuen	President	Award	5,138	$0.00	$0
2026-08-28	2026-08-27	Wupen Yuen	President	Sale	500	$958.66	$479,330
2026-08-28	2026-08-25	Kim Jae	SVP	Sale	1,998	$852.33	$1,702,953
2026-08-28	2026-08-25	Ali Wajid	CFO	Award	5,005	$0.00	$0
2026-08-26	2026-08-25	Wupen Yuen	President	Sale	500	$856.65	$428,323
2026-08-26	2026-08-26	Wupen Yuen	President	Sale	500	$882.15	$441,075

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