did lrcx stock split

Yes — Lam Research (LRCX) executed a 10-for-1 forward stock split announced May 21, 2024 and effective for trading on a post-split basis beginning October 3, 2024; this article explains the announc...

2026-01-14 04:19:00

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Did LRCX stock split?

Yes — Lam Research Corporation (Nasdaq: LRCX) announced a 10-for-1 forward stock split on May 21, 2024 and completed the corporate action so that shares began trading on a post-split basis on October 3, 2024. This guide answers the core question "did lrcx stock split" and explains the official announcement, the split mechanics and effective dates, options and derivatives adjustments, management rationale, market reaction, historical context, practical implications for investors, and where to verify the split across brokerage statements and market data.

As of October 3, 2024, according to Lam Research’s press release and related exchange notices, the company combined a $10 billion share repurchase authorization with the planned 10-for-1 split — details that shaped investor expectations ahead of the ex-distribution date.

This article is written for investors and market participants who want a clear, step-by-step explanation of did lrcx stock split, how the change affects holdings and derivatives, and how to confirm the corporate action through official filings and broker statements. If you hold LRCX or trade related options, this guide highlights what to expect and where to look for authoritative confirmation, including company press releases, SEC filings, and exchange/clearing notices.

Background — Lam Research and ticker LRCX

Lam Research Corporation is a leading supplier of wafer‑fabrication equipment and services to the global semiconductor industry. Traded on Nasdaq under the ticker LRCX, the company is closely followed by institutional and retail investors because its equipment and services are integral to chip manufacturing cycles and semiconductor capital spending trends.

This page repeatedly answers the question did lrcx stock split and places that corporate action in the context of Lam’s capital allocation decisions and investor communications.

Official announcement (May 21, 2024)

On May 21, 2024, Lam Research’s board announced a combined capital return package: a new $10 billion share‑repurchase authorization together with a planned 10‑for‑1 forward stock split. The company published the details in a press release distributed via PR Newswire and its investor relations channels that day. As investors scanned headlines asking did lrcx stock split, the May 21 disclosure provided the formal timetable and the company’s rationale for the actions.

Split mechanics and effective dates

The corporate action was a 10‑for‑1 forward stock split. Lam Research reported that the split would be effective after market close on October 2, 2024, and that shares would begin trading on a post‑split basis on October 3, 2024. The company indicated it expected proportionate adjustments to outstanding equity awards and to the authorized share counts as part of the implementation.

Corporate filings and shareholder communications

Lam Research indicated it would file the required corporate documents (for example, an amendment to its certificate of incorporation) and furnish an 8‑K to disclose the effective amendments and to report adjustments to authorized shares and equity plans. Those filings and shareholder communications are the formal record that the split was completed and that equity plan metrics were adjusted accordingly.

Options and derivatives adjustments

Options and other listed derivatives required official adjustment notices from exchanges and the Options Clearing Corporation (OCC) or relevant market infrastructure providers. The ex‑date for options adjustments was October 3, 2024, aligning with the shares trading on a post‑split basis. Contract specifications were adjusted using the customary strike‑divisor and contract‑multiplier approach: option strike prices were divided by 10 and the contract multiplier was increased accordingly to preserve the economic value of each contract.

Exchange and clearing notices (for example, MIAX or OCC information memos) provided the exact adjustment methodology and implementation timetable that derivatives traders rely on when a stock split occurs.

Rationale given by management

In the May 21 announcement, Lam Research management stated the split and the $10 billion repurchase authorization aimed to make the company’s shares more accessible to employees and a broader range of investors, while aligning with the company’s capital‑return policy. Management framed the split as part of a broader approach to capital allocation — combining share buybacks with a share‑denomination change to address trading liquidity and employee equity‑award usability.

Market reaction and subsequent performance

Following the May 21 announcement, market commentary noted an initial price move driven by the repurchase authorization and the accessibility narrative tied to the stock split; short‑term volatility was observed around the trading dates and the ex‑distribution implementation in early October. Analyst coverage and financial press summaries discussed whether the split would materially affect liquidity and retail participation, while emphasizing that a split does not change the company’s market capitalization or fundamental business metrics.

When asking did lrcx stock split, market participants watched daily volume and price behavior around the effective date to see if the split produced the commonly observed short‑term interest lift that some large, widely covered names experience.

Historical stock‑split context for LRCX

Lam Research has completed stock splits in the past. Notable prior splits include a 3‑for‑2 split effective September 16, 1993, and a 3‑for‑1 split effective March 17, 2000. The 10‑for‑1 split executed in 2024 is the most significant single‑transaction denominator change in the company’s modern history and increases the cumulative multiple of historical splits to date. For investors tracking long‑term adjusted price series, the 2024 split is an important adjustment when calculating historical returns.

Readers who ask did lrcx stock split should note how the 2024 action fits into the timeline of prior corporate actions and share‑count changes.

Practical implications for investors

If you were holding LRCX shares on the record or distribution dates specified by Lam, you would have received a proportional increase in the number of outstanding shares you own (a 10x increase in share count for each pre‑split share). There is no change in your ownership percentage of the company or in the company’s aggregate market capitalization solely because of the split. Per‑share metrics (for example, earnings per share and book value per share) are adjusted proportionally by companies and data providers.

Equity awards, restricted stock units, and vested option share counts were expected to be adjusted on a proportionate basis; fractional share handling depends on broker or plan administrator policies (some brokers issue cash‑in‑lieu for fractional shares). Institutional holders and plan administrators typically see automated adjustments in their account records after the corporate action is processed.

How to verify split on brokerage statements and market data

To verify that did lrcx stock split has actually taken effect for your personal holdings, check your brokerage account holdings and trade confirmations for an updated share count and adjusted per‑share price. Company investor relations pages, the press release dated May 21, 2024, and corresponding SEC filings (including the 8‑K reporting the effectiveness of the corporate action) provide the official corporate record. Exchange corporate action notices and clearing house memos (for options) also confirm the effective dates and adjustment methodology.

Note that historical price series provided by market data vendors and charting platforms are typically adjusted for splits so that price graphs and return calculations remain consistent over time.

References

Lam Research press release / PR Newswire (May 21, 2024) announcing a $10 billion repurchase authorization and a 10‑for‑1 forward stock split. As of May 21, 2024, according to the company press release, the board approved the repurchase authorization and the planned split.
MIAX / OCC information memo and exchange adjustment notices implementing option and derivative contract adjustments for LRCX (effective October 3, 2024). As of October 3, 2024, exchanges and clearing agencies published adjustment instructions for listed options to reflect the 10‑for‑1 split.
Financial press and market analysis summaries discussing market reaction and trading behavior surrounding the announcement and implementation (press coverage dated May–October 2024). These summaries tracked short‑term price moves, volume patterns, and analyst commentary after the split announcement and ex‑distribution trade date.