When does Lam Research Corporation (LRCX) report earnings? After the close in 12 of its last 12 reports
Of its last 12 earnings announcements: 12 after the close. Each one comes from the 8-K with item 2.02 that Lam Research filed with the SEC, paired with the 10-Q or 10-K for that same quarter: 63 quarters since Oct 20, 2010, and every row links to its filing.
Next date: LRCX does not appear in the announced-earnings calendar this site covers (Oct 21, 2026 to Nov 24, 2026). When the company announces the day it will show up here; until then there is no date, and an estimate of ours would not be one.
The last 20 quarters, one by one
"Lead": trading sessions between the announcement and the full quarterly report to the SEC (10-Q, or 10-K at fiscal year end). For Lam Research, a median of 3 sessions over the last 12 quarters.
| Announcement | Day | Time (NY) | Session | Quarter ended | SEC report | Lead | Filing |
|---|---|---|---|---|---|---|---|
| Jul 29, 2026 | Wednesday | 16:07 | after the close | Jun 28, 2026 | 10-K · Aug 7, 2026 | 7 sessions | 8-K |
| Apr 22, 2026 | Wednesday | 16:09 | after the close | Mar 29, 2026 | 10-Q · Apr 23, 2026 | 1 session | 8-K |
| Jan 28, 2026 | Wednesday | 16:06 | after the close | Dec 28, 2025 | 10-Q · Jan 29, 2026 | 1 session | 8-K |
| Oct 22, 2025 | Wednesday | 16:08 | after the close | Sep 28, 2025 | 10-Q · Oct 24, 2025 | 2 sessions | 8-K |
| Jul 30, 2025 | Wednesday | 16:07 | after the close | Jun 29, 2025 | 10-K · Aug 11, 2025 | 8 sessions | 8-K |
| Apr 23, 2025 | Wednesday | 16:07 | after the close | Mar 30, 2025 | 10-Q · Apr 25, 2025 | 2 sessions | 8-K |
| Jan 29, 2025 | Wednesday | 16:07 | after the close | Dec 29, 2024 | 10-Q · Jan 31, 2025 | 2 sessions | 8-K |
| Oct 23, 2024 | Wednesday | 16:07 | after the close | Sep 29, 2024 | 10-Q · Oct 28, 2024 | 3 sessions | 8-K |
| Jul 31, 2024 | Wednesday | 16:09 | after the close | Jun 30, 2024 | 10-K · Aug 29, 2024 | 21 sessions | 8-K |
| Apr 24, 2024 | Wednesday | 16:12 | after the close | Mar 31, 2024 | 10-Q · Apr 29, 2024 | 3 sessions | 8-K |
| Jan 24, 2024 | Wednesday | 16:09 | after the close | Dec 24, 2023 | 10-Q · Jan 29, 2024 | 3 sessions | 8-K |
| Oct 18, 2023 | Wednesday | 16:09 | after the close | Sep 24, 2023 | 10-Q · Oct 23, 2023 | 3 sessions | 8-K |
| Jul 26, 2023 | Wednesday | 16:08 | after the close | Jun 25, 2023 | 10-K · Aug 15, 2023 | 14 sessions | 8-K |
| Apr 19, 2023 | Wednesday | 16:14 | after the close | Mar 26, 2023 | 10-Q · Apr 24, 2023 | 3 sessions | 8-K |
| Jan 23, 2023 | Monday | no time on the filing | Dec 25, 2022 | 10-Q · Jan 30, 2023 | 5 sessions | 8-K | |
| Oct 19, 2022 | Wednesday | 16:11 | after the close | Sep 25, 2022 | 10-Q · Oct 24, 2022 | 3 sessions | 8-K |
| Jul 27, 2022 | Wednesday | 16:11 | after the close | Jun 26, 2022 | 10-K · Aug 24, 2022 | 20 sessions | 8-K |
| Apr 20, 2022 | Wednesday | 16:08 | after the close | Mar 27, 2022 | 10-Q · Apr 26, 2022 | 4 sessions | 8-K |
| Jan 26, 2022 | Wednesday | 16:08 | after the close | Dec 26, 2021 | 10-Q · Feb 1, 2022 | 4 sessions | 8-K |
| Oct 20, 2021 | Wednesday | 16:08 | after the close | Sep 26, 2021 | 10-Q · Oct 26, 2021 | 4 sessions | 8-K |
The table shows the 20 most recent quarters. All 63 are in the CSV, with the same columns and one row per quarter.
Download all 63 LRCX quarters as CSV → Free, no account.
How Lam Research shares moved on their latest earnings
Over the 8 announcements with prices in this table, LRCX rose 6 times and fell 2 times; the median move, ignoring sign, was 4.8%, against 0.5% for SPY over the same windows. The largest, +18%, came with the results of Jul 29, 2026. Reported EPS beat the consensus estimate in 5 of the 5 quarters with an estimate.
| Announcement | Session | Window, close to close | LRCX | SPY | EPS actual / expected |
|---|---|---|---|---|---|
| Jul 29, 2026 | after the close | Jul 29, 2026 → Jul 30, 2026 | +18% | +1.7% | 1.81 / 1.67 (+8.1%) |
| Apr 22, 2026 | after the close | Apr 22, 2026 → Apr 23, 2026 | −2.6% | −0.4% | 1.47 / 1.36 (+7.9%) |
| Jan 28, 2026 | after the close | Jan 28, 2026 → Jan 29, 2026 | +3.6% | −0.2% | 1.27 / 1.17 (+8.7%) |
| Oct 22, 2025 | after the close | Oct 22, 2025 → Oct 23, 2025 | +4.5% | +0.6% | 1.26 / 1.22 (+3.3%) |
| Jul 30, 2025 | after the close | Jul 30, 2025 → Jul 31, 2025 | −4.3% | −0.4% | 1.33 / 1.21 (+10.4%) |
| Apr 23, 2025 | after the close | Apr 23, 2025 → Apr 24, 2025 | +6.2% | +2.1% | |
| Jan 29, 2025 | after the close | Jan 29, 2025 → Jan 30, 2025 | +7.4% | +0.5% | |
| Oct 23, 2024 | after the close | Oct 23, 2024 → Oct 24, 2024 | +5.1% | +0.2% |
LRCX window: when it reported after the close, from that day's close to the next. Split-adjusted closes and EPS with its estimate, from Yahoo Finance. It already happened: it does not anticipate the next announcement.
Where each number comes from
From the 8-K with item 2.02 ("Results of Operations and Financial Condition") that Lam Research filed on EDGAR, the SEC's public database; only those with their 10-Q or 10-K behind them count, so other 8-Ks with the same item (production figures, monthly sales) stay out. The time is converted to New York time using this specific company's stamp convention (its EDGAR stamp arrives in UTC), and it is not assumed: it was read off the filing's official header. In 1 of this company's 63 quarters the date comes from the EDGAR acceptance day rather than the 8-K cover box, and it is flagged with an asterisk in the table.
What this data does not know
- The exact time of the press release: the 8-K reaches EDGAR minutes or hours later, so Lam Research's median 16:08 is an upper bound. The session says which one the news landed in, not what minute it was said.
- Nothing before Oct 20, 2010: it is Lam Research's oldest quarter with announcement and report paired in the file.
- What will happen. Every date on the page already happened. Lam Research reporting after the close 14 quarters in a row does not say the next one will be the same.
- Lam Research's identity is its SEC CIK (0000707549), not its symbol: symbols get recycled and renamed.
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More on Lam Research
Lam Research is in the Technology sector. On the model's multifactor score of Oct 21, 2026 it ranks 36 of 464, and 16 of the 83 companies in its sector that score. It is a quantitative model ranking, not a recommendation.
Lam Research (LRCX) analysis page →
All ~500 S&P 500 companies, sorted by when they report →
Guide: 10-K, 10-Q and 8-K · all guides
What is behind these dates
The concepts on this page, explained from scratch in the Academy. Free, no account.
- Guessing next quarter's earnings gives no edgeWhy knowing a quarter's earnings in advance is not enough to make money: what moves the price is the gap against what was expected.
- Supply, demand and price: why it rises and falls constantlyWhat happens to the price on announcement day, and why excellent results can leave the stock falling.
- The three financial statements of a companyWhat is inside the 10-Q and the 10-K whose lag behind the announcement this page measures.
- Point-in-time data and look-ahead biasWhy the date a figure became public matters as much as the figure, which is exactly the distinction behind the two date columns above.
Source: EDGAR, the SEC's public database (forms 8-K, 10-Q and 10-K). Data through Jul 29, 2026. This is a list of public facts and of calculations made on them, not financial advice or a recommendation to buy or sell.