---
title: "Lawmakers’ AI stock buys spark scrutiny amid trading debate"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/289254367.md"
description: "Lawmakers Gilbert Cisneros and Josh Gottheimer face scrutiny for buying shares in Lumentum, an AI infrastructure and defense supplier. Both serve on intelligence committees with oversight ties to the company's business. The stock has surged over 140% this year, driven by a Nvidia partnership and AI demand."
datetime: "2026-06-10T01:13:38.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/289254367.md)
  - [en](https://longbridge.com/en/news/289254367.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/289254367.md)
---

# Lawmakers’ AI stock buys spark scrutiny amid trading debate

Who bought Lumentum?: Reps. Gilbert Cisneros and Josh Gottheimer purchased shares in the AI infrastructure and defense supplier in April and May, respectively. Why the scrutiny?: Both lawmakers serve on intelligence-related committees, and Lumentum’s business aligns closely with their policy oversight areas. Market backdrop: Lumentum’s stock has climbed over 140% this year, boosted by a major Nvidia partnership and booming AI infrastructure demand.

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