Lam Research (LRCX) insider trades, Congressional trades and 13F ownership

Insider trade · Traded Sep 9, 2026 · Filed Sep 10, 2026
CEO sold ~$9.58M of LRCX shares in the open market Source
Insider trade · Traded Sep 9, 2026 · Filed Sep 10, 2026
Director sold ~$3.01M of LRCX shares in the open market Source
Planned sale · Planned for Sep 9, 2026 · Notice filed Sep 9, 2026
Officer filed to sell about $9.58M of LRCX stock Source
Planned sale · Planned for Sep 9, 2026 · Notice filed Sep 9, 2026
Director filed to sell about $3.01M of LRCX stock Source
Insider trade · Traded Sep 2, 2026 · Filed Sep 3, 2026
Officer sold ~$8.01M of LRCX shares in the open market Source
Insider trade · Traded Sep 2, 2026 · Filed Sep 3, 2026
Officer sold ~$5.83M of LRCX shares in the open market Source
Insider trade · Traded Sep 2, 2026 · Filed Sep 3, 2026
Officer sold ~$3.57M of LRCX shares in the open market Source
Planned sale · Planned for Sep 2, 2026 · Notice filed Sep 2, 2026
Officer filed to sell about $17.4M of LRCX stock Source
Congressional trade · Transaction Aug 13, 2026 · Disclosed Sep 2, 2026
Disclosed partial sale of LRCX — reported range $1,001 - $15,000 Source
Insider trade · Traded Aug 31, 2026 · Filed Sep 1, 2026
Officer sold ~$1.51M of LRCX shares in the open market Source

Fund moves · Holdings as of Jun 30, 2026 (Q2 2026) · Filed Aug 14, 2026
Tiger Global disclosed a reduced position in LRCX for Q2 2026 Source
Fund moves · Holdings as of Jun 30, 2026 (Q2 2026) · Filed Aug 14, 2026
Coatue Management disclosed a reduced position in LRCX for Q2 2026 Source
Fund moves · Holdings as of Jun 30, 2026 (Q2 2026) · Filed Aug 14, 2026
Duquesne Family Office disclosed a new position in LRCX for Q2 2026 Source
Fund moves · Holdings as of Jun 30, 2026 (Q2 2026) · Filed Aug 14, 2026
Bridgewater Associates disclosed a reduced position in LRCX for Q2 2026

Congressional trade · Transaction Mar 27, 2026 · Disclosed Jul 21, 2026
Disclosed purchase of LRCX — reported range $1,001 - $15,000 Source
Insider trade · Traded Jul 13, 2026 · Filed Jul 14, 2026
Director sold ~$6.12M of LRCX shares in the open market Source
Insider trade · Traded Jul 2, 2026 · Filed Jul 6, 2026
CEO sold ~$11.7M of LRCX shares in the open market Source

Congressional trade · Transaction Apr 27, 2026 · Disclosed May 7, 2026
Disclosed sale of LRCX — reported range $1,001 - $15,000 Source
Congressional trade · Transaction Apr 27, 2026 · Disclosed May 7, 2026
Disclosed sale of LRCX — reported range $1,001 - $15,000 Source
Insider trade · Traded May 1, 2026 · Filed May 4, 2026
Officer sold ~$4.64M of LRCX shares in the open market Source

Congressional trade · Transaction Mar 12, 2026 · Disclosed Mar 20, 2026
Disclosed purchase of LRCX — reported range $1,001 - $15,000 Source
Congressional trade · Transaction Feb 26, 2026 · Disclosed Mar 6, 2026
Disclosed sale of LRCX — reported range $1,001 - $15,000 Source
Congressional trade · Transaction Feb 26, 2026 · Disclosed Mar 6, 2026
Disclosed sale of LRCX — reported range $1,001 - $15,000 Source
Insider trade · Traded Mar 4, 2026 · Filed Mar 5, 2026
CFO sold ~$11.2M of LRCX shares in the open market Source

Congressional trade · Transaction Feb 3, 2026 · Disclosed Feb 24, 2026
Disclosed purchase of LRCX — reported range $15,001 - $50,000 Source
Congressional trade · Transaction Jan 8, 2026 · Disclosed Feb 15, 2026
Disclosed partial sale of LRCX — reported range $1,001 - $15,000 Source
Insider trade · Traded Feb 6, 2026 · Filed Feb 9, 2026
Director sold ~$4.14M of LRCX shares in the open market Source
Insider trade · Traded Feb 6, 2026 · Filed Feb 9, 2026
Director sold ~$3.76M of LRCX shares in the open market Source

Congressional trade · Transaction Jan 8, 2026 · Disclosed Jan 21, 2026
Disclosed sale of LRCX — reported range $15,001 - $50,000 Source
Congressional trade · Transaction Jan 8, 2026 · Disclosed Jan 21, 2026
Disclosed sale of LRCX — reported range $15,001 - $50,000 Source
Congressional trade · Transaction Dec 29, 2025 · Disclosed Jan 16, 2026
Disclosed purchase of LRCX — reported range $50,001 - $100,000 Source

Insider trade · Traded Dec 17, 2025 · Filed Dec 18, 2025
CEO sold ~$18.6M of LRCX shares in the open market Source
Insider trade · Traded Dec 17, 2025 · Filed Dec 18, 2025
CEO sold ~$8.19M of LRCX shares in the open market Source

Insider trade · Traded Nov 14, 2025 · Filed Nov 17, 2025
CFO sold ~$6.04M of LRCX shares in the open market Source
Insider trade · Traded Nov 7, 2025 · Filed Nov 10, 2025
Director sold ~$4.8K of LRCX shares in the open market Source
Insider trade · Traded Nov 3, 2025 · Filed Nov 4, 2025
Director sold ~$208K of LRCX shares in the open market Source

Insider trade · Traded Oct 27, 2025 · Filed Oct 28, 2025
Officer sold ~$946K of LRCX shares in the open market Source
Insider trade · Traded Oct 27, 2025 · Filed Oct 28, 2025
Officer sold ~$472K of LRCX shares in the open market Source
Congressional trade · Transaction Sep 3, 2025 · Disclosed Oct 15, 2025
Disclosed sale of LRCX — reported range $1,001 - $15,000 Source
Insider trade · Traded Oct 13, 2025 · Filed Oct 14, 2025
Officer sold ~$7.25M of LRCX shares in the open market Source

Congressional trade · Transaction Aug 13, 2025 · Disclosed Sep 23, 2025
Disclosed purchase of LRCX — reported range $1,001 - $15,000 Source
Congressional trade · Transaction Feb 4, 2025 · Disclosed Sep 12, 2025
Disclosed partial sale of LRCX — reported range $1,001 - $15,000 Source
Congressional trade · Transaction Oct 29, 2024 · Disclosed Sep 12, 2025
Disclosed purchase of LRCX — reported range $1,001 - $15,000 Source
Congressional trade · Transaction Aug 7, 2025 · Disclosed Sep 5, 2025
Disclosed purchase of LRCX — reported range $1,001 - $15,000 Source