Insider / LAM RESEARCH CORP
Mayer Bethany
Director at LAM RESEARCH CORP
- Company
- LAM RESEARCH CORP
- First filing on record
- November 4, 2025
- Latest trade on record
- September 9, 2026
- SEC filings
- EDGAR ↗
Mayer Bethany, Director at LAM RESEARCH CORP, has disclosed 10 transactions in LRCX, HPE since November 4, 2025: 0 purchases (0 open-market buys) and 4 sales, worth about $3.8M at the reported prices. The latest was filed September 10, 2026, 1 day after the trade.
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
In the last 12 months Mayer Bethany made no purchases and 4 sales worth $3.4M, plus 6 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Mayer Bethany has traded 2 stocks on record; the largest by dollars is LRCX.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
0 of 5 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| S | Open-market sale | 4 | 17,367 | $3.4M |
| A | Grant or award | 2 | 10,385 | — |
| G | Gift | 2 | 3,244 | — |
| M | Option exercise or conversion | 2 | 29,000 | $348K |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 5 | 0 | 2 · $3.2M |
| 2025 | 5 | 0 | 2 · $212K |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| LRCX | Sell S | September 9, 2026 | September 10, 2026 | 1d | 9,557 | $315 | $3.0M | indirect | Form 4 ↗ | |
| HPE | Other A | May 1, 2026 | May 5, 2026 | 4d | 8,750 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| HPE | Sell S | May 5, 2026 | May 5, 2026 | 0d | 6,482 | $29 | $189K | 10b5-1 plan | Form 4 ↗ | |
| HPE | Option / conversion M | April 1, 2026 | April 3, 2026 | 2d | 14,500 | — | — | derivative | Form 4 ↗ | |
| HPE | Option / conversion M | April 1, 2026 | April 3, 2026 | 2d | 14,500 | $24 | $348K | Form 4 ↗ | ||
| LRCX | Other G | November 10, 2025 | November 10, 2025 | 0d | 1,622 | — | — | 10b5-1 planindirect | Form 4 ↗ | |
| LRCX | Other G | November 10, 2025 | November 10, 2025 | 0d | 1,622 | — | — | 10b5-1 plan | Form 4 ↗ | |
| LRCX | Sell S | November 7, 2025 | November 10, 2025 | 3d | 30 | $160 | $4,786 | 10b5-1 plan | Form 4 ↗ | |
| LRCX | Other A | November 7, 2025 | November 10, 2025 | 3d | 1,635 | — | — | 10b5-1 plan | Form 4 ↗ | |
| LRCX | Sell S | November 3, 2025 | November 4, 2025 | 1d | 1,298 | $160 | $208K | 10b5-1 plan | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| September 10, 2026 | Form 4 | 0001405693-26-000011 | 1 | published | EDGAR ↗ |
| May 5, 2026 | Form 4 | 0001405693-26-000004 | 2 | published | EDGAR ↗ |
| April 3, 2026 | Form 4 | 0001405693-26-000002 | 2 | published | EDGAR ↗ |
| November 10, 2025 | Form 4 | 0001405693-25-000009 | 4 | published | EDGAR ↗ |
| November 4, 2025 | Form 4 | 0001405693-25-000007 | 1 | published | EDGAR ↗ |
Other insiders at LAM RESEARCH CORP
- BRANDT ERIC Director 51 rows
- rahim rami EVP, Pres GM Networking 36 rows
- Brennan Ita M Director 34 rows
- Neri Antonio F President and CEO 34 rows
- DEVGAN ANIRUDH President and CEO 28 rows
- Karros Kirt P SVP, Treasurer, Corp Dev 28 rows
- MacDonald Neil B EVP, GM, Server 25 rows
- ARCHER TIMOTHY President and CEO 24 rows
- RUSSO FIDELMA Director 24 rows
- MYERS MARIE Director 23 rows
Everyone on file, with contracts and lobbying under the company's name: LAM RESEARCH CORP.
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 5 | 10 | November 4, 2025 | September 10, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.