Key facts
- This page summarizes Karthikeyan Rammohan's Form 3 filing for LAM RESEARCH CORP (LRCX).
- 0 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 10 Mar 2026, 11:12.
Karthikeyan Rammohan - 06 Mar 2026 Form 3 Insider Report for LAM RESEARCH CORP (LRCX)
- Reporting relationship
- SVP, Global Ops & Ent Solns
- Issuer ticker
- LRCX
- Reported as of
- 06 Mar 2026
- Net transaction value
- $0
- Reporting owner signature
- Marta Woods by Power of Attorney
Source evidence
Original filing metadata and source links for verification.
3 source fields
Reporting owner
1 detail
Key filing fact
Karthikeyan Rammohan filed Form 3 for LAM RESEARCH CORP (LRCX) on 10 Mar 2026.
Change
- No earlier filing in this sequence is available for direct comparison.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Official SEC source
View source filing
Ownership activity is grounded in SEC Form 3 disclosures.
Reporting Owners (1)
CIK 0002113601
Primary reporting owner
Rammohan Karthikeyan
- Relationship
- SVP, Global Ops & Ent Solns
- Address
- C/O LAM RESEARCH CORPORATION, 4650 CUSHING PKWY, FREMONT
- Signature
- Marta Woods by Power of Attorney
- Signature date
- 10 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
LRCX
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 16,600
- Date
- 06 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
LRCX
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 79,856
- Date
- 06 Mar 2026
- Ownership
- By Trust
LRCX
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 2,578
- Date
- 06 Mar 2026
- Ownership
- By 401K
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
LRCX
holding
Derivative
Market-based Performance Restricted Stock Unit
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 06 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 4,609
- Exercise price
- $0.000000
- Footnotes
- F2
LRCX
holding
Derivative
Market-based Performance Restricted Stock Unit
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 06 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 6,840
- Exercise price
- $0.000000
- Footnotes
- F3
LRCX
holding
Derivative
Market-based Performance Restricted Stock Unit
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- Date
- 06 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 8,328
- Exercise price
- $0.000000
- Footnotes
- F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote F1
The amount reported includes shares subject to unvested restricted stock units.
Footnote F2
The Market-based performance restricted stock units will vest between 0% and 150% on 2/28/2028. The performance of this award is based on the percentile ranking of Lam Research's Total Shareholder Return relative to the Total Shareholder Return of the companies in the PHLX Semiconductor Total Return Index during the performance period of 02/03/2025 through 02/02/2028.
Footnote F3
The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2027. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2024 through 01/31/2027.
Footnote F4
The Market-based performance restricted stock units will vest between 0% and 150% on 2/27/2029. The performance of this award is based on the percentile ranking of Lam Research's Total Shareholder Return relative to the Total Shareholder Return of the companies in the PHLX Semiconductor Total Return Index during the performance period of 02/2/2026 through 02/01/2029.