Transactions
15
Insider / LAM RESEARCH CORP
Harter Ava
Chief Legal Officer at LAM RESEARCH CORP
- Company
- LAM RESEARCH CORP
- Ticker
- LRCX
- First filing on record
- October 28, 2025
- Latest trade on record
- August 31, 2026
- SEC filings
- EDGAR ↗
Harter Ava, Chief Legal Officer at LAM RESEARCH CORP, has disclosed 15 transactions in LRCX since October 28, 2025: 0 purchases (0 open-market buys) and 9 sales, worth about $9.7M at the reported prices. The latest was filed September 1, 2026, 1 day after the trade.
Open-market buys
0
Sales
9
Avg. disclosure lag
1.4d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months Harter Ava made no purchases and 9 sales worth $8.7M, 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.
Harter Ava has traded 1 stock 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.
On timeLate
0 of 7 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 | 6 | 25,520 | $5.7M |
| M | Option exercise or conversion | 4 | 24,040 | $926K |
| F | Shares withheld for tax | 3 | 10,977 | $3.0M |
| A | Grant or award | 2 | 15,791 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 11 | 0 | 7 · $7.3M |
| 2025 | 4 | 0 | 2 · $1.4M |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| LRCX | Sell S | August 31, 2026 | September 1, 2026 | 1d | 5,000 | $302 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| LRCX | Sell F | August 5, 2026 | August 6, 2026 | 1d | 5,790 | $307 | $1.8M | Form 4 ↗ | ||
| LRCX | Option / conversion M | April 27, 2026 | April 28, 2026 | 1d | 6,010 | — | — | derivative | Form 4 ↗ | |
| LRCX | Sell S | April 27, 2026 | April 28, 2026 | 1d | 6,010 | $259 | $1.6M | Form 4 ↗ | ||
| LRCX | Option / conversion M | April 27, 2026 | April 28, 2026 | 1d | 6,010 | $77 | $463K | Form 4 ↗ | ||
| LRCX | Sell S | March 4, 2026 | March 5, 2026 | 1d | 1,500 | $223 | $334K | Form 4 ↗ | ||
| LRCX | Sell S | March 2, 2026 | March 3, 2026 | 1d | 4,000 | $233 | $930K | Form 4 ↗ | ||
| LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 8,685 | — | — | derivative | Form 4 ↗ | |
| LRCX | Sell F | — | March 2, 2026 | — | 3,199 | $234 | $748K | Form 4 ↗ | ||
| LRCX | Sell F | February 27, 2026 | March 2, 2026 | 3d | 1,988 | $234 | $465K | Form 4 ↗ | ||
| LRCX | Other A | February 27, 2026 | March 2, 2026 | 3d | 7,106 | — | — | Form 4 ↗ | ||
| LRCX | Option / conversion M | October 27, 2025 | October 28, 2025 | 1d | 6,010 | — | — | derivative | Form 4 ↗ | |
| LRCX | Sell S | October 27, 2025 | October 28, 2025 | 1d | 6,010 | $157 | $946K | Form 4 ↗ | ||
| LRCX | Option / conversion M | October 27, 2025 | October 28, 2025 | 1d | 6,010 | $77 | $463K | Form 4 ↗ | ||
| LRCX | Sell S | October 27, 2025 | October 28, 2025 | 1d | 3,000 | $157 | $472K | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| September 1, 2026 | Form 4 | 0001642415-26-000012 | 1 | published | EDGAR ↗ |
| August 6, 2026 | Form 4 | 0001642415-26-000010 | 1 | published | EDGAR ↗ |
| April 28, 2026 | Form 4 | 0001642415-26-000008 | 3 | published | EDGAR ↗ |
| March 5, 2026 | Form 4 | 0001642415-26-000006 | 1 | published | EDGAR ↗ |
| March 3, 2026 | Form 4 | 0001642415-26-000004 | 1 | published | EDGAR ↗ |
| March 2, 2026 | Form 4 | 0001642415-26-000002 | 4 | published | EDGAR ↗ |
| October 28, 2025 | Form 4 | 0001642415-25-000005 | 4 | published | EDGAR ↗ |
Other insiders at LAM RESEARCH CORP
- BRANDT ERIC Director 51 rows
- Brennan Ita M Director 34 rows
- DEVGAN ANIRUDH President and CEO 28 rows
- ARCHER TIMOTHY President and CEO 27 rows
- Bettinger Douglas R Chief Financial Officer & EVP 21 rows
- Varadarajan Seshasayee Senior Vice President 15 rows
- Dineen John M. Director 14 rows
- Correia Christina CVP , Chief Accounting Officer 10 rows
- Fernandes Neil J Senior Vice President 10 rows
- Mayer Bethany Director 10 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 | 7 | 15 | October 28, 2025 | September 1, 2026 | Form 4 list on EDGAR |
Site built October 27, 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.