<SEC-DOCUMENT>0001140361-25-040793.txt : 20251106
<SEC-HEADER>0001140361-25-040793.hdr.sgml : 20251106
<ACCEPTANCE-DATETIME>20251106162744
ACCESSION NUMBER:		0001140361-25-040793
CONFORMED SUBMISSION TYPE:	S-8 POS
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20251106
DATE AS OF CHANGE:		20251106
EFFECTIVENESS DATE:		20251106

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LAM RESEARCH CORP
		CENTRAL INDEX KEY:			0000707549
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		ORGANIZATION NAME:           	06 Technology
		EIN:				942634797
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0628

	FILING VALUES:
		FORM TYPE:		S-8 POS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-207844
		FILM NUMBER:		251458844

	BUSINESS ADDRESS:	
		STREET 1:		4650 CUSHING BLVD
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
		BUSINESS PHONE:		5106590200

	MAIL ADDRESS:	
		STREET 1:		4650 CUSHING PARKWAY
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8 POS
<SEQUENCE>1
<FILENAME>ef20057821_s8pos.htm
<DESCRIPTION>S-8 POS
<TEXT>
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      <div style="text-align: right; font-weight: bold;">Registration No. 333-207844</div>
      <div style="text-align: center; font-weight: bold;">As filed with the Securities and Exchange Commission on November 6, 2025</div>
      <div>
        <div>&#160; <br>
          <hr align="center" style="border: none; border-bottom: 1px solid black; border-top: 4px solid black; height: 10px; color: #ffffff; background-color: #ffffff; text-align: center; margin-left: auto; margin-right: auto;"></div>
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      <div style="text-align: center; font-size: 18pt; font-weight: bold;">UNITED STATES</div>
      <font style="font-size: 18pt;"> </font>
      <div style="text-align: center; font-size: 18pt; font-weight: bold;">SECURITIES AND EXCHANGE COMMISSION</div>
      <div style="text-align: center; font-size: 12pt; font-weight: bold;">Washington, D.C. 20549 </div>
      <div style="text-align: center; font-weight: bold;"> <br>
      </div>
      <div style="text-align: center; font-weight: bold;">
        <hr noshade="noshade" align="center" style="background-color: #000000; border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; margin: 0px auto; height: 1px; width: 100%; color: #000000;"></div>
      <div style="text-align: center; font-weight: bold;"> <br>
      </div>
      <div style="text-align: center; font-weight: bold; font-size: 18pt;"> POST-EFFECTIVE AMENDMENT NO. 1</div>
      <div style="text-align: center; font-weight: bold; font-size: 18pt;">TO</div>
      <div style="text-align: center; font-size: 18pt; font-weight: bold;">FORM S-8</div>
      <div style="text-align: center; font-weight: bold; font-size: 18pt;">REGISTRATION STATEMENT</div>
      <div style="text-align: center; font-style: italic; font-weight: bold; font-size: 12pt;">UNDER</div>
      <font style="font-size: 12pt;"> </font>
      <div style="text-align: center; font-style: italic; font-weight: bold;"><font style="font-size: 12pt;">THE SECURITIES ACT OF 1933</font> </div>
      <div style="text-align: center; font-style: italic; font-weight: bold;"> <br>
      </div>
      <div>
        <div style="text-align: center;">
          <hr noshade="noshade" align="center" style="background-color: #000000; border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; margin: 0px auto; height: 1px; width: 100%; color: #000000;"></div>
      </div>
      <div style="font-weight: 400;"> <br>
      </div>
      <div style="text-align: center; font-size: 24pt; font-weight: bold;">LAM RESEARCH CORPORATION</div>
      <div style="text-align: center; font-weight: bold;">(Exact name of Registrant as specified in its charter) </div>
      <div>
        <div><br>
        </div>
      </div>
      <div>
        <hr noshade="noshade" align="center" style="background-color: #000000; border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; margin: 0px auto; height: 1px; width: 100%; color: #000000; text-align: center;"></div>
      <div><br>
      </div>
      <div>
        <table cellspacing="0" cellpadding="0" border="0" id="z353784da2c784f35b2b15b84a12cb56f" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; border-collapse: collapse; text-align: left; color: #000000;">

            <tr>
              <td style="width: 49%; vertical-align: top;">
                <div style="text-align: center; font-weight: bold;">Delaware</div>
              </td>
              <td style="width: 2%; vertical-align: bottom;">&#160;</td>
              <td style="width: 48.56%; vertical-align: top;">
                <div style="text-align: center; font-weight: bold;">94-2634797</div>
              </td>
            </tr>
            <tr>
              <td style="width: 49%; vertical-align: top;">
                <div style="text-align: center; font-weight: bold; font-size: 8pt;">(State or other jurisdiction of incorporation or organization)</div>
              </td>
              <td style="width: 2%; vertical-align: bottom;">&#160;</td>
              <td style="width: 48.56%; vertical-align: top;">
                <div style="text-align: center; font-weight: bold; font-size: 8pt;">(IRS Employer Identification No.)</div>
              </td>
            </tr>

        </table>
      </div>
      <div><br>
      </div>
      <table cellspacing="0" cellpadding="0" border="0" id="zfe40dc2741914841b1e19aad40b74532" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; border-collapse: collapse; text-align: left; color: #000000;">

          <tr>
            <td style="width: 49%; vertical-align: top;">
              <div style="text-align: center; font-weight: bold;">4650 Cushing Parkway</div>
              <div style="text-align: center; font-weight: bold;">Fremont, California</div>
            </td>
            <td style="width: 2%; vertical-align: bottom;">&#160;</td>
            <td style="width: 49%; vertical-align: bottom;">
              <div style="text-align: center; font-weight: bold;">94538</div>
            </td>
          </tr>
          <tr>
            <td style="width: 49%; vertical-align: top;">
              <div style="text-align: center; font-weight: bold; font-size: 8pt;">(Address of Principal Executive Offices)</div>
            </td>
            <td style="width: 2%; vertical-align: bottom;">&#160;</td>
            <td style="width: 49%; vertical-align: top;">
              <div style="text-align: center; font-weight: bold; font-size: 8pt;">(Zip Code)</div>
            </td>
          </tr>

      </table>
      <div><br>
      </div>
      <div style="text-align: center; font-weight: bold;">LAM RESEARCH CORPORATION 2025 STOCK INCENTIVE PLAN</div>
      <div style="text-align: center; font-weight: bold;">LAM RESEARCH CORPORATION 2015 STOCK INCENTIVE PLAN</div>
      <div style="text-align: center; font-weight: bold; font-size: 8pt;">(Full title of the plans)</div>
      <div><br>
      </div>
      <div style="text-align: center; font-weight: bold;">Ava A. Harter</div>
      <div style="text-align: center; font-weight: bold;">Senior Vice President and Chief Legal Officer</div>
      <div style="text-align: center; font-weight: bold;">Lam Research Corporation</div>
      <div style="text-align: center; font-weight: bold;">4650 Cushing Parkway</div>
      <div style="text-align: center; font-weight: bold;">Fremont, California 94538</div>
      <div style="text-align: center; font-weight: bold; font-size: 8pt;">(Name and address of agent for service)</div>
      <div><br>
      </div>
      <div style="text-align: center; font-weight: bold;">(510) 572-0200</div>
      <div style="text-align: center; font-weight: bold; font-size: 8pt;">(Telephone number, including area code, of agent for service)</div>
      <div>
        <div><br>
        </div>
        <div style="text-align: center; color: #000000; font-style: italic;">Copy to:</div>
      </div>
      <div style="text-align: center; font-weight: bold;">Jeremy Cleveland</div>
      <div style="text-align: center; font-weight: bold;">Jones Day</div>
      <div style="text-align: center; font-weight: bold;">1755 Embarcadero Road</div>
      <div style="text-align: center; font-weight: bold;">Palo Alto, CA 94303</div>
      <div style="text-align: center; font-weight: bold;"> <br>
      </div>
      <div>
        <div>
          <hr noshade="noshade" align="center" style="background-color: #000000; border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; margin: 0px auto; height: 1px; width: 100%; color: #000000; text-align: center;">&#160;</div>
      </div>
      <div style="text-align: justify;">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of &#8220;large
        accelerated filer,&#8221; &#8220;accelerated filer,&#8221; &#8220;smaller reporting company,&#8221; and &#8220;emerging growth company&#8221; in Rule 12b-2 of the Exchange Act.</div>
      <div> <br>
      </div>
      <table cellspacing="0" cellpadding="0" border="0" id="z2c34f8486b12460896a52cc59090344e" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; border-collapse: collapse; text-align: left; color: #000000;">

          <tr>
            <td style="width: 45%; vertical-align: bottom;">
              <div style="color: rgb(0, 0, 0);">Large accelerated filer</div>
            </td>
            <td style="width: 5%; vertical-align: bottom;">
              <div style="color: rgb(0, 0, 0);">&#9746;</div>
            </td>
            <td style="width: 45%; vertical-align: bottom;">
              <div style="color: rgb(0, 0, 0);">Accelerated filer</div>
            </td>
            <td style="width: 5%; vertical-align: bottom;">
              <div style="color: rgb(0, 0, 0);">&#9744;</div>
            </td>
          </tr>
          <tr>
            <td style="width: 45%; vertical-align: middle;">&#160;</td>
            <td style="width: 5%; vertical-align: middle;">&#160;</td>
            <td style="width: 45%; vertical-align: middle;">&#160;</td>
            <td style="width: 5%; vertical-align: middle;">&#160;</td>
          </tr>
          <tr>
            <td style="width: 45%; vertical-align: bottom;">
              <div style="color: rgb(0, 0, 0);">Non-accelerated filer</div>
            </td>
            <td style="width: 5%; vertical-align: bottom;">
              <div style="color: rgb(0, 0, 0);">&#9744;</div>
            </td>
            <td style="width: 45%; vertical-align: bottom;">
              <div style="color: rgb(0, 0, 0);">Smaller reporting company</div>
            </td>
            <td style="width: 5%; vertical-align: bottom;">
              <div style="color: rgb(0, 0, 0);">&#9744;</div>
            </td>
          </tr>
          <tr>
            <td style="width: 45%; vertical-align: middle;">&#160;</td>
            <td style="width: 5%; vertical-align: middle;">&#160;</td>
            <td style="width: 45%; vertical-align: middle;">&#160;</td>
            <td style="width: 5%; vertical-align: middle;">&#160;</td>
          </tr>
          <tr>
            <td style="width: 45%; vertical-align: bottom;">&#160;</td>
            <td style="width: 5%; vertical-align: bottom;">&#160;</td>
            <td style="width: 45%; vertical-align: bottom;">
              <div style="color: rgb(0, 0, 0);">Emerging growth company</div>
            </td>
            <td style="width: 5%; vertical-align: bottom;">
              <div style="color: rgb(0, 0, 0);">&#9744;</div>
            </td>
          </tr>

      </table>
      <div>&#160;</div>
      <div style="text-align: justify;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to
        Section 7(a)(2)(B) of the Securities Act.&#8194;&#9744;</div>
      <div><br>
      </div>
      <hr align="center" style="border: none; border-bottom: 4px solid black; border-top: 1px solid black; height: 10px; color: #ffffff; background-color: #ffffff; text-align: center; margin-left: auto; margin-right: auto;">
      <div class="BRPFPageBreakArea" style="clear: both; margin-top: 10pt; margin-bottom: 10pt;">
        <div class="BRPFPageBreak" style="page-break-after: always;">
          <hr noshade="noshade" style="background-color: #000000; border-bottom: 0px; border-left: 0px; border-right: 0px; border-top: 0px; margin: 4px 0px; clear: both; height: 1px; width: 100%; color: #000000;"></div>
      </div>
      <div style="text-align: center; font-weight: bold;">EXPLANATORY NOTE</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 24.5pt;">Lam Research Corporation (the &#8220;Registrant&#8221;) previously filed its Registration Statement on Form S-8 with the Securities and Exchange Commission (the &#8220;SEC&#8221; or &#8220;Commission&#8221;) on November 6, 2015
        (Commission File No.333-207844) (the &#8220;Prior Registration Statement&#8221;) to register the offer of 18,000,000 new shares of common stock, par value $0.001 per share, of the Registrant (the &#8220;Common Stock&#8221;) pursuant to the Registrant&#8217;s 2015 Stock
        Incentive Plan (the &#8220;2015 Plan&#8221;). On October 2, 2024, the Registrant effected a 10-for-1 stock split of the Common Stock and a proportional increase in the number of authorized shares. </div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 24.5pt;">At the Registrant&#8217;s 2025 Annual Meeting of Stockholders on November 4, 2025, the stockholders of the Registrant approved the adoption of the Lam Research Corporation 2025 Stock Incentive Plan
        (the &#8220;2025 Plan&#8221;) as successor to the 2015 Plan, effective on November 4, 2025 (the &#8220;2025 Plan Effective Date&#8221;). On or after the 2025 Plan Effective Date, no new awards will be granted under the 2015 Plan. The outstanding awards under the 2015 Plan
        continue unaffected following the 2025 Plan Effective Date and will remain subject to the terms of the 2015 Plan notwithstanding the termination of the 2015 Plan. Any shares of Common Stock that are available for grant or would otherwise return to
        the 2015 Plan as a result of the forfeiture, termination, expiration, or cash settlement of awards previously granted under the 2015 Plan will also be available for issuance under the 2025 Plan (collectively, the &#8220;Rollover Shares&#8221;).</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 24.5pt;">Shortly prior to the 2025 Plan Effective Date, a total of 62,772,164 shares of Common Stock were available for additional awards under the 2015 Plan, and 10,906,926 shares of Common Stock were
        subject to awards then outstanding under the 2015 Plan, in each case calculated based on the maximum number of shares subject to outstanding performance stock unit awards. The aggregate number of Rollover Shares authorized for issuance under the
        2015 Plan that may become authorized for issuance under the 2025 Plan will not exceed 73,679,090 shares. The Registrant is filing this Post-Effective Amendment No. 1 to Form S-8 pursuant to SEC Compliance and Disclosure Interpretation 126.43 to
        amend the Prior Registration Statement to register the offer of this amount of the Rollover Shares under the 2025 Plan (as such shares would no longer be issuable under the 2015 Plan). In accordance with such SEC interpretation, no new filing fee
        is due upon the filing of this Post-Effective Amendment No. 1.</div>
      <div>&#160;</div>
      <div style="text-align: center; font-weight: bold;">PART I</div>
      <div>&#160;</div>
      <div style="text-align: center; font-weight: bold;">INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 24.5pt;">The information specified in Part I of Form S-8 is omitted from this Registration Statement on Form S-8 in accordance with the provisions of Rule 428 under the Securities Act of 1933, as amended
        (the &#8220;Securities Act&#8221;), and the introductory note to Part I of Form S-8. The documents containing the information specified in Part I of Form S-8 will be sent or given to participants in the 2025 Plan covered by this Registration Statement as
        specified by Rule 428(b)(1) under the Securities Act. These documents and the documents incorporated by reference in this Registration Statement pursuant to Item 3 of Part II below, taken together, constitute a prospectus that meets the
        requirements of Section 10(a) of the Securities Act.</div>
      <div>&#160;</div>
      <div style="text-align: center; font-weight: bold;">PART II</div>
      <div>&#160;</div>
      <div style="text-align: center; font-weight: bold;">INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</div>
      <div> <br>
      </div>
      <table cellspacing="0" cellpadding="0" id="z042e9b8e6942475982e32a836dc80f9d" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

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            <td style="width: 47.3pt; vertical-align: top; color: rgb(0, 0, 0); font-weight: bold;">Item&#8201;3.</td>
            <td style="width: auto; vertical-align: top;">
              <div style="color: rgb(0, 0, 0); font-weight: bold;">Incorporation of Documents by Reference.</div>
            </td>
          </tr>

      </table>
      <div>&#160;</div>
      <div style="text-indent: 36pt;">The following documents, which have been filed by the Registrant with the Commission are hereby incorporated by reference into this Registration Statement:</div>
      <br>
      <div class="BRPFPageBreakArea" style="clear: both; margin-top: 10pt; margin-bottom: 10pt;">
        <div class="BRPFPageBreak" style="page-break-after: always;">
          <hr noshade="noshade" style="background-color: #000000; border-bottom: 0px; border-left: 0px; border-right: 0px; border-top: 0px; margin: 4px 0px; clear: both; height: 1px; width: 100%; color: #000000;"></div>
      </div>
      <div>
        <div>
          <table cellspacing="0" cellpadding="0" id="zf156c27c78694881b78b2900bbac5e60" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

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                <td style="width: 18pt;">&#160;</td>
                <td style="width: 27pt; vertical-align: top; text-align: right;">
                  <div style="text-align: left;">(a)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div>The Registrant&#8217;s Annual Report on Form 10-K for the fiscal year ended June 29, 2025 (File No. 000-12933), filed with the Commission on <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/0000707549/000070754925000075/lrcx-20250629.htm">August 11, 2025</a>&#894;</div>
                </td>
              </tr>

          </table>
          <div> <br>
          </div>
        </div>
        <div>
          <table cellspacing="0" cellpadding="0" id="zb7ae83beba5f403d8dab1b9196cf881a" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

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                <td style="width: 18pt;">&#160;</td>
                <td style="width: 27pt; vertical-align: top; text-align: right;">
                  <div style="text-align: left;">(b)</div>
                </td>
                <td style="vertical-align: top;">
                  <div>The Registrant&#8217;s Quarterly Report on Form 10-Q for the quarterly period ended September 28, 2025, filed with the Commission on <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/0000707549/000070754925000085/lrcx-20250928.htm">October









                      24, 2025</a>&#894;</div>
                </td>
              </tr>

          </table>
          <div> <br>
          </div>
        </div>
        <div>
          <table cellspacing="0" cellpadding="0" id="zb429af786ea0410a933eac7074fb8875" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

              <tr>
                <td style="width: 18pt;">&#160;</td>
                <td style="width: 27pt; vertical-align: top; text-align: right;">
                  <div style="text-align: left;">(c)</div>
                </td>
                <td style="vertical-align: top;">
                  <div>The Registrant&#8217;s Current Reports on Form 8-K (File No. 000-12933), filed with the Commission on <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/0000707549/000070754925000078/lrcx-20250908.htm">September 11, 2025</a>, <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/0000707549/000070754925000082/lrcx-20251022.htm">October 22, 2025</a> and <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/0000707549/000070754925000094/lrcx-20251104.htm">November
                      6, 2025</a>&#894;</div>
                </td>
              </tr>

          </table>
          <div> <br>
          </div>
        </div>
        <div>
          <table cellspacing="0" cellpadding="0" id="z76f81fb5a0b44085ab8ec9d8b8021a0d" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

              <tr>
                <td style="width: 18pt;">&#160;</td>
                <td style="width: 27pt; vertical-align: top; text-align: right;">
                  <div style="text-align: left;">(d)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div>Portions of the Registrant&#8217;s definitive proxy statement on Schedule 14A filed on <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/0000707549/000114036125036012/ny20050572x2_def14a.htm">September 24, 2025</a> that are
                    incorporated by reference into <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/707549/000070754925000075/lrcx-20250629.htm#i741682724a1a48e58764141f1ff950bd_166">Part III</a> of the Registrant&#8217;s Annual Report on Form 10-K for
                    the fiscal year ended June 29, 2025&#894; and</div>
                </td>
              </tr>

          </table>
          <div> <br>
          </div>
        </div>
        <div>
          <table cellspacing="0" cellpadding="0" id="zdab31466966a4979bd462c5d406e90cc" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

              <tr>
                <td style="width: 18pt;">&#160;</td>
                <td style="width: 27pt; vertical-align: top; text-align: right;">
                  <div style="text-align: left;">(e)</div>
                </td>
                <td style="width: auto; vertical-align: top;">
                  <div>The description of Registrant&#8217;s Common Stock as set forth in <a href="https://www.sec.gov/Archives/edgar/data/707549/000070754925000075/exhibit46-descriptionofcom.htm">Exhibit 4.6</a> of the Registrant&#8217;s Annual Report on Form 10-K
                    for the fiscal year ended June 29, 2025 (File No. 000-12933), filed with the Commission on <a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/0000707549/000070754925000075/lrcx-20250629.htm">August 11, 2025</a>, and as set forth
                    in the Registrant&#8217;s Registration Statement filed with the Commission on Form 8-B on April 11, 1990 and any amendment or report filed for the purpose of updating such description.</div>
                </td>
              </tr>

          </table>
        </div>
      </div>
      <div> <br>
      </div>
      <div> </div>
      <div>All documents subsequently filed by the Registrant pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;), prior to the filing of a post-effective amendment which indicates that
        all securities offered hereby have been sold or which de-registers all securities then remaining unsold, shall be deemed to be incorporated by reference herein and to be part hereof from the date of filing such documents. The Registrant will not,
        however, incorporate by reference any documents or portions thereof that are not deemed &#8220;filed&#8221; with the Commission, including any information furnished pursuant to Item 2.02 or Item 7.01 of the Registrant&#8217;s Current Reports on Form 8-K unless, and
        except to the extent, specified in such reports.</div>
      <div>&#160;</div>
      <div>Any statement contained in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement contained herein or in
        any subsequently filed document which also is or is deemed to be incorporated by reference herein modifies or supersedes such statement. Any such statement so modified or superseded shall not be deemed, except as so modified or superseded, to
        constitute a part of this Registration Statement.</div>
      <div><br>
      </div>
      <table cellspacing="0" cellpadding="0" id="zd46dbefb71a34ae68b2fbb7b76a08e4e" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

          <tr>
            <td style="width: 48pt; vertical-align: top; font-weight: bold;">Item&#8201;4.</td>
            <td style="width: auto; vertical-align: top;">
              <div style="font-weight: bold;">Description of Securities.</div>
            </td>
          </tr>

      </table>
      <div>&#160;</div>
      <div style="text-indent: 36pt;">Not applicable.</div>
      <div><font style="color: rgb(0, 176, 80);"> </font><br>
      </div>
      <table cellspacing="0" cellpadding="0" id="z028e660cc3bf4c3999079726a82216a4" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

          <tr>
            <td style="width: 49.5pt; vertical-align: top; color: rgb(0, 0, 0); font-weight: bold;">Item&#8201;5.</td>
            <td style="width: auto; vertical-align: top;">
              <div style="color: rgb(0, 0, 0); font-weight: bold;">Interests of Named Experts and Counsel.</div>
            </td>
          </tr>

      </table>
      <div>&#160;</div>
      <div style="text-indent: 36pt;">Not applicable.</div>
      <div><br>
      </div>
      <table cellspacing="0" cellpadding="0" id="z4dd2d13928b341df86ead4c63c8e5357" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

          <tr>
            <td style="width: 48pt; vertical-align: top; color: rgb(0, 0, 0); font-weight: bold;">Item&#8201;6.</td>
            <td style="width: auto; vertical-align: top;">
              <div style="color: rgb(0, 0, 0); font-weight: bold;">Indemnification of Directors and Officers.</div>
            </td>
          </tr>

      </table>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 36pt;">Section 145 of the General Corporation Law of the State of Delaware (the &#8220;DGCL&#8221;) generally provides that all directors and officers (as well as other employees and agents of the corporation) may be
        indemnified against expenses (including attorneys&#8217; fees), judgments, fines and amounts paid in settlement in connection with certain specified actions, suits or proceedings, whether civil, criminal, administrative or investigative (other than an
        action by or in the right of the corporation), if they acted in good faith and in a manner they reasonably believed to be in or not opposed to the best interests of the corporation, and, with respect to any criminal action or proceeding, had no
        reasonable cause to believe their conduct was unlawful. A similar standard of care is applicable in the case of derivative actions in which the action is by or in the right of the corporation, except that indemnification extends only to expenses
        (including attorneys&#8217; fees) incurred in connection with defense or settlement of an action, and the DGCL requires court approval before there can be any indemnification where the person seeking indemnification has been found liable to the
        corporation. Section 145 of the DGCL also provides that the rights conferred thereby are not exclusive of any other right to which any person may be entitled under any bylaw, agreement, vote of stockholders or disinterested directors or otherwise,
        and permits a corporation to advance expenses to or on behalf of a director or officer upon receipt of an undertaking to repay the amounts advanced if it is determined that the person is not entitled to be indemnified.</div>
      <div style="text-align: justify; text-indent: 36pt;"> <br>
      </div>
      <div class="BRPFPageBreakArea" style="clear: both; margin-top: 10pt; margin-bottom: 10pt;">
        <div class="BRPFPageBreak" style="page-break-after: always;">
          <hr noshade="noshade" style="background-color: #000000; border-bottom: 0px; border-left: 0px; border-right: 0px; border-top: 0px; margin: 4px 0px; clear: both; height: 1px; width: 100%; color: #000000;"></div>
      </div>
      <div style="text-align: justify; text-indent: 36pt;">Section 102(b)(7) of the DGCL permits the Registrant to provide in its certificate of incorporation that a director or officer of the Registrant shall not be personally liable to the Registrant or
        its stockholders for monetary damages for breach of fiduciary duty as a director or officer, except (1) with respect to a director or officer, for any breach of the director&#8217;s or officer&#8217;s duty of loyalty to the Registrant or its stockholders, (2)
        with respect to a director or officer, for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (3) with respect to a director, under Section 174 of the DGCL regarding the liability of directors
        for the unlawful payment of dividend or the unlawful stock purchase or redemption, (4) with respect to a director or officer, for any transaction from which the director or officer derived an improper personal benefit, or (5) with respect to an
        officer, in any action by or in the right of the corporation.</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 36pt;">Section 145 of the DGCL also permits a corporation to purchase and maintain insurance on behalf of any director, officer, employee or agent against any liability asserted against such person acting
        in his or her capacity, whether or not the corporation would have the power to indemnify such person against such liability. The Registrant provides liability insurance for directors and officers of the Registrant and its subsidiaries. The
        Registrant has additionally entered into indemnification agreements with each of its Section 16 executive officers and directors.</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 36pt;">Article VI of the Registrant&#8217;s bylaws provides that the Registrant shall, to the maximum extent and in the manner permitted by the DGCL, indemnify each of its directors and officers against
        expenses (including attorneys&#8217; fees), judgments, fines, settlements, and other amounts actually and reasonably incurred in connection with any proceeding, arising by reason of the fact that such person is or was a director or officer of the
        Registrant. The right conferred on any person by Article VI of the Registrant&#8217;s bylaws shall not be exclusive of any other rights, which such person may have or hereafter acquired under any statute, the certificate of incorporation, the bylaws,
        agreement, vote of the stockholders or directors or otherwise.</div>
      <div> <br>
      </div>
      <table cellspacing="0" cellpadding="0" id="z6ee06ac88e534daa8874670fda8ec729" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

          <tr>
            <td style="width: 48pt; vertical-align: top; color: rgb(0, 0, 0); font-weight: bold;">Item&#8201;7.</td>
            <td style="width: auto; vertical-align: top;">
              <div style="color: rgb(0, 0, 0); font-weight: bold;">Exemption from Registration Claimed.</div>
            </td>
          </tr>

      </table>
      <div>&#160;</div>
      <div style="text-indent: 24.5pt;">Not applicable.</div>
      <div> <br>
      </div>
      <table cellspacing="0" cellpadding="0" id="z3d2b1352ae0f4141989a638f86bb2196" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

          <tr>
            <td style="width: 48pt; vertical-align: top; color: rgb(0, 0, 0); font-weight: bold;">Item&#8201;8.</td>
            <td style="width: auto; vertical-align: top;">
              <div style="color: rgb(0, 0, 0); font-weight: bold;">Exhibits.</div>
            </td>
          </tr>

      </table>
      <div><br>
      </div>
      <table cellspacing="0" cellpadding="0" border="0" id="za55a6661c9004f30b5e33970fccd4158" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; border-collapse: collapse; text-align: left; color: #000000;">

          <tr>
            <td style="width: 8%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: rgb(0, 0, 0);">3.1</div>
            </td>
            <td style="width: 92%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/707549/000070754925000094/lrcx_exx32xrestatedcertifi.htm">Restated Certificate of Incorporation, dated November 4, 2025 which is incorporated by reference to
                  Exhibit 3.2 to the Registrant&#8217;s Current Report on Form 8-K filed on November 6, 2025 (SEC File No. 000-12933).</a></div>
            </td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: middle;">&#160;</td>
            <td style="width: 92%; vertical-align: top;">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: rgb(0, 0, 0);">3.2</div>
            </td>
            <td style="width: 92%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/707549/000070754925000060/ex31amendedandrestatedbyla.htm">Bylaws of the Registrant, as amended and restated, dated May 20, 2025 which is incorporated by
                  reference to Exhibit 3.1 to the Registrant&#8217;s Current Report on Form 8-K filed on May 21, 2025 (SEC File No. 000-12933).</a></div>
            </td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: middle;">&#160;</td>
            <td style="width: 92%; vertical-align: top;">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: rgb(0, 0, 0);">4.1</div>
            </td>
            <td style="width: 92%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/707549/000119312515324405/d180076ddef14a.htm#toc180076_52">Registrant&#8217;s 2015 Stock Incentive Plan (incorporated by reference as Appendix B to the Registrant&#8217;s
                  Schedule 14A filed on September 21, 2015).</a></div>
            </td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: middle;">&#160;</td>
            <td style="width: 92%; vertical-align: top;">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: rgb(0, 0, 0);">4.2</div>
            </td>
            <td style="width: 92%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: #000000;"><a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/707549/000114036125036012/ny20050572x2_def14a.htm#tAPPENA">Lam Research Corporation 2025 Stock Incentive Plan (incorporated by reference as Appendix A to
                  the Registrant&#8217;s Schedule 14A filed on September 24, 2025).</a></div>
            </td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top;" rowspan="1">&#160;</td>
            <td style="width: 92%; vertical-align: top;" rowspan="1">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: rgb(0, 0, 0);">5.1</div>
            </td>
            <td style="width: 92%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/707549/000119312515368810/d92366dex51.htm">Opinion of Jones Day (as to Common Stock originally registered under the 2015 Plan), which is incorporated by
                  reference to Exhibit 5.1 to the Registrant&#8217;s Registration Statement on Form S-8 dated November 6, 2015 (SEC File No. 333-207844).</a></div>
            </td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: middle;">&#160;</td>
            <td style="width: 92%; vertical-align: top;">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: rgb(0, 0, 0);"><a href="ef20057821_ex5-2.htm">5.2*</a></div>
            </td>
            <td style="width: 92%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div>Opinion of Jones Day (as to Rollover Shares from the 2015 Plan being registered hereby under the 2025 Plan).</div>
            </td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: middle;">&#160;</td>
            <td style="width: 92%; vertical-align: top;">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: rgb(0, 0, 0);"><a href="ef20057821_ex23-1.htm">23.1*</a></div>
            </td>
            <td style="width: 92%; vertical-align: top; background-color: rgb(204, 238, 255);">
              <div style="color: rgb(0, 0, 0);">Consent of Ernst &amp; Young LLP, Independent Registered Public Accounting Firm.</div>
            </td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top;" rowspan="1">&#160;</td>
            <td style="width: 92%; vertical-align: top;" rowspan="1">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top; background-color: rgb(204, 238, 255);" rowspan="1">23.2</td>
            <td style="width: 92%; vertical-align: top; background-color: rgb(204, 238, 255);" rowspan="1">
              <div style="color: rgb(0, 0, 0);"><a href="https://www.sec.gov/Archives/edgar/data/707549/000119312515368810/d92366dex51.htm">Consent of Jones Day (filed as part of Exhibit 5.1).</a></div>
            </td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top;" rowspan="1"><br>
            </td>
            <td style="width: 92%; vertical-align: top;" rowspan="1"><br>
            </td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top; background-color: rgb(204, 238, 255);" rowspan="1">
              <div style="color: rgb(0, 0, 0);"><a href="ef20057821_ex5-2.htm">23.3*</a></div>
            </td>
            <td style="width: 92%; vertical-align: top; background-color: rgb(204, 238, 255);" rowspan="1">
              <div style="color: rgb(0, 0, 0);">Consent of Jones Day (filed as part of Exhibit 5.2).</div>
            </td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top;" rowspan="1"><br>
            </td>
            <td style="width: 92%; vertical-align: top;" rowspan="1"><br>
            </td>
          </tr>
          <tr>
            <td style="width: 8%; vertical-align: top; background-color: rgb(204, 238, 255);" rowspan="1">
              <div style="color: rgb(0, 0, 0);"><a href="#POWEROFATTORNEY">24.1*</a></div>
            </td>
            <td style="width: 92%; vertical-align: top; background-color: rgb(204, 238, 255);" rowspan="1">
              <div style="color: rgb(0, 0, 0);">Power of Attorney (included on signature page).</div>
            </td>
          </tr>

      </table>
      <div> <br>
      </div>
      <div style="color: #000000;">* Filed herewith.</div>
      <div><br>
      </div>
      <div style="clear: both; margin-top: 10pt; margin-bottom: 10pt;" class="BRPFPageBreakArea">
        <div style="page-break-after: always;" class="BRPFPageBreak">
          <hr noshade="noshade" style="background-color: #000000; border-bottom: 0px; border-left: 0px; border-right: 0px; border-top: 0px; margin: 4px 0px; clear: both; height: 1px; width: 100%; color: #000000;"></div>
      </div>
      <table cellspacing="0" cellpadding="0" id="zc4b7fce2db104deb891d1f70800aef4a" class="DSPFListTable" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; text-align: left; color: #000000;">

          <tr>
            <td style="width: 48pt; vertical-align: top; color: rgb(0, 0, 0); font-weight: bold;">Item&#8201;9.</td>
            <td style="width: auto; vertical-align: top;">
              <div style="color: rgb(0, 0, 0); font-weight: bold;">Undertakings.</div>
            </td>
          </tr>

      </table>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 24.5pt; color: #000000;">(a) The undersigned Registrant hereby undertakes:</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 48.95pt; color: #000000;">(1) To file, during any period in which offers or sales are being made, a post-effective amendment to this Registration Statement:</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 24.5pt; margin-left: 91.9pt; color: #000000;">(i) To include any prospectus required by Section 10(a)(3) of the Securities Act of 1933;</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 24.5pt; margin-left: 91.9pt; color: #000000;">(ii) To reflect in the prospectus any facts or events arising after the effective date of this Registration Statement (or the most recent post-effective
        amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in this Registration Statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the
        total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of a prospectus filed with the Commission pursuant
        to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than a 20 percent change in the maximum aggregate offering price set forth in the &#8220;Calculation of Registration Fee&#8221; table in the effective registration
        statement; and</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 24.5pt; margin-left: 91.9pt; color: #000000;">(iii) To include any material information with respect to the plan of distribution not previously disclosed in this Registration Statement or any material
        change to such information in this Registration Statement.</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 24.5pt; color: #000000;"><font style="font-style: italic;">Provided, however</font>, that paragraphs (a)(1)(i) and (a)(1)(ii) shall not apply if the information required to be included in a post-effective
        amendment by those paragraphs is contained in periodic reports filed with or furnished to the Commission by the Registrant pursuant to Section 13 or Section 15(d) of the Exchange Act that are incorporated by reference in this Registration
        Statement.</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 48.95pt; color: #000000;">(2) That, for the purpose of determining any liability under the Securities Act of 1933, each such post-effective amendment shall be deemed to be a new registration statement
        relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial <font style="font-style: italic;">bona fide</font> offering thereof.</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 48.95pt; color: #000000;">(3) To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 24.5pt; color: #000000;">(b) The undersigned Registrant hereby undertakes that, for purposes of determining any liability under the Securities Act of 1933, each filing of the Registrant&#8217;s annual report
        pursuant to Section 13(a) or Section 15(d) of the Exchange Act (and, where applicable, each filing of an employee benefit plan&#8217;s annual report pursuant to Section 15(d) of the Exchange Act) that is incorporated by reference in this Registration
        Statement shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial <font style="font-style: italic;">bona fide</font> offering
        thereof.</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 24.5pt; color: #000000;">(c) Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be permitted to directors, officers and controlling persons of the Registrant pursuant
        to the foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the Commission such indemnification is against public policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a
        claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer, or controlling person of the Registrant in the successful defense of any action, suit or proceeding)
        is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of
        appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.</div>
      <div style="text-align: justify; color: rgb(0, 0, 0);"> <br>
      </div>
      <div class="BRPFPageBreakArea" style="clear: both; margin-top: 10pt; margin-bottom: 10pt;">
        <div class="BRPFPageBreak" style="page-break-after: always;">
          <hr noshade="noshade" style="background-color: #000000; border-bottom: 0px; border-left: 0px; border-right: 0px; border-top: 0px; margin: 4px 0px; clear: both; height: 1px; width: 100%; color: #000000;"></div>
      </div>
      <div style="text-align: center; font-weight: bold;">SIGNATURES</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 24.5pt;">Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has
        duly caused this Post-Effective Amendment No. 1 to the Registration Statement on Form S-8 to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Fremont, State of California, on November 6, 2025. </div>
      <div>&#160;</div>
      <table cellspacing="0" cellpadding="0" border="0" id="zaa8547f596ff49c5b66b120ac0381ea4" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; border-collapse: collapse; text-align: left; color: #000000;">

          <tr>
            <td style="width: 50.5%; vertical-align: top;">&#160;</td>
            <td style="vertical-align: top;" colspan="2">
              <div style="color: rgb(0, 0, 0); font-weight: bold;">Lam Research Corporation</div>
            </td>
          </tr>
          <tr>
            <td style="width: 50.5%; vertical-align: top;">&#160;</td>
            <td style="vertical-align: middle; width: 3%;">&#160;</td>
            <td style="width: 47%; vertical-align: middle;">&#160;</td>
          </tr>
          <tr>
            <td style="width: 50.5%; vertical-align: top; padding-bottom: 1px;">&#160;</td>
            <td style="width: 3%; vertical-align: top; padding-bottom: 1px;">
              <div style="color: rgb(0, 0, 0);">By:</div>
            </td>
            <td style="width: 47%; vertical-align: bottom; border-bottom: 1px solid rgb(0, 0, 0);">
              <div style="color: rgb(0, 0, 0);">/s/ Ava A. Harter</div>
            </td>
          </tr>
          <tr>
            <td style="width: 50.5%; vertical-align: top;">&#160;</td>
            <td style="width: 3%; vertical-align: top;">&#160;</td>
            <td style="width: 47%; vertical-align: bottom;">
              <div style="color: rgb(0, 0, 0);">Ava A. Harter</div>
            </td>
          </tr>
          <tr>
            <td style="width: 50.5%; vertical-align: top;">&#160;</td>
            <td style="width: 3%; vertical-align: top;">&#160;</td>
            <td style="width: 47%; vertical-align: bottom;">
              <div style="color: rgb(0, 0, 0);">Senior Vice President and Chief Legal Officer</div>
            </td>
          </tr>

      </table>
      <div> <br>
      </div>
      <div class="BRPFPageBreakArea" style="clear: both; margin-top: 10pt; margin-bottom: 10pt;">
        <div class="BRPFPageBreak" style="page-break-after: always;">
          <hr noshade="noshade" style="background-color: #000000; border-bottom: 0px; border-left: 0px; border-right: 0px; border-top: 0px; margin: 4px 0px; clear: both; height: 1px; width: 100%; color: #000000;"></div>
      </div>
      <div style="text-align: center; font-weight: bold;"><a name="POWEROFATTORNEY"><!--Anchor--></a>POWER OF ATTORNEY</div>
      <div>&#160;</div>
      <div style="text-align: justify; text-indent: 36pt;">KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below does hereby constitute and appoint Timothy M. Archer and Douglas R. Bettinger, with full power of substitution,
        such person&#8217;s true and lawful attorneys-in-fact and agents for such person in such person&#8217;s name, place and stead, in any and all capacities, to sign any or all amendments (including post-effective amendments) to this Post-Effective Amendment No. 1
        to Registration Statement on Form S-8, and to sign any registration statement for the same offering covered by this Registration Statement that is to be effective upon filing pursuant to Rule 462(b) under the Securities Act of 1933, as amended, and
        all post-effective amendments thereto, and to file the same, with all exhibits thereto, and all documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, full power and
        authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises in order to effectuate the same as fully, to all intents and purposes, as he, she or such person might or could do in person,
        hereby ratifying and confirming all that said attorneys-in-fact and agents, each acting alone, or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof.</div>
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      <div style="text-align: justify; text-indent: 36pt;">Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment No. 1 to the Registration Statement on Form S-8 has been signed below by the following persons in their
        respective capacities and on the dates indicated.</div>
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            <td style="width: 1%; vertical-align: bottom; padding-bottom: 1px;">&#160;</td>
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            <td style="width: 34.39%; vertical-align: middle;">&#160;</td>
            <td style="vertical-align: middle;">&#160;</td>
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            <td style="width: 34.39%; vertical-align: top; border-bottom: 1px solid rgb(0, 0, 0); text-align: center;" rowspan="1">&#160;/s/ Timothy M. Archer</td>
            <td style="width: 1%; vertical-align: bottom; padding-bottom: 1px;" rowspan="1">&#160;</td>
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              <div style="text-align: center; text-indent: -10pt; margin-left: 10pt; color: #000000;">President, Chief Executive Officer and Director</div>
              <div style="text-align: center; text-indent: -10pt; margin-left: 10pt; color: #000000;">(Principal Executive Officer)</div>
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            <td style="width: 1%; vertical-align: bottom; padding-bottom: 1px;" rowspan="1">&#160;</td>
            <td nowrap="nowrap" style="width: 21%; vertical-align: top;" rowspan="2" colspan="1">
              <div style="text-align: center; color: rgb(0, 0, 0);">November 6, 2025</div>
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          </tr>
          <tr>
            <td style="width: 34.39%; vertical-align: top;">
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            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
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            <td style="width: 34.39%; vertical-align: top; text-align: center; border-bottom: 1px solid rgb(0, 0, 0);" rowspan="1">&#160;/s/ Douglas R. Bettinger</td>
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            <td style="width: 34.39%; vertical-align: middle;">&#160;</td>
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            <td style="width: 34.39%; vertical-align: top; border-bottom: 1px solid rgb(0, 0, 0); text-align: center;" rowspan="1">&#160;/s/ Christina C. Correia</td>
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            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
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            <td style="width: 34.39%; vertical-align: middle;">&#160;</td>
            <td style="vertical-align: middle;" colspan="2">&#160;</td>
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            <td style="width: 34.39%; vertical-align: top; border-bottom: 1px solid rgb(0, 0, 0); text-align: center;" rowspan="1">&#160;/s/ Sohail U. Ahmed</td>
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              <div style="text-align: center; text-indent: -10pt; margin-left: 10pt; color: rgb(0, 0, 0);">Director</div>
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            <td style="width: 1%; vertical-align: bottom; padding-bottom: 1px;" rowspan="1"><br>
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            <td nowrap="nowrap" style="width: 21%; vertical-align: top;" rowspan="2" colspan="1">
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            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
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            <td style="width: 34.39%; vertical-align: middle;">&#160;</td>
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            <td style="width: 1%; vertical-align: bottom; padding-bottom: 1px;" rowspan="1">&#160;</td>
            <td nowrap="nowrap" style="width: 21%; vertical-align: top;" rowspan="2" colspan="1">
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            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
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            <td style="width: 34.39%; vertical-align: middle;">&#160;</td>
            <td style="vertical-align: middle;" colspan="2">&#160;</td>
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            <td style="width: 34.39%; vertical-align: top; border-bottom: 1px solid rgb(0, 0, 0); text-align: center;" rowspan="1">&#160;/s/ Ita M. Brennan</td>
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            <td style="width: 1%; vertical-align: bottom; padding-bottom: 1px;" rowspan="1">&#160;</td>
            <td nowrap="nowrap" style="width: 21%; vertical-align: top;" rowspan="2" colspan="1">
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          <tr>
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            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
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          <tr>
            <td style="width: 34.39%; vertical-align: middle;">&#160;</td>
            <td style="vertical-align: middle;" colspan="2">&#160;</td>
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              <div style="text-align: center; text-indent: -10pt; margin-left: 10pt; color: rgb(0, 0, 0);">Director</div>
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            <td style="width: 1%; vertical-align: bottom; padding-bottom: 1px;" rowspan="1">&#160;</td>
            <td nowrap="nowrap" style="width: 21%; vertical-align: top;" rowspan="2" colspan="1">
              <div style="text-align: center; color: rgb(0, 0, 0);">November 6, 2025</div>
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          <tr>
            <td style="width: 34.39%; vertical-align: top;">
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            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
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            <td style="width: 34.39%; vertical-align: middle;">&#160;</td>
            <td style="vertical-align: middle;" colspan="2">&#160;</td>
            <td style="vertical-align: middle;" colspan="2">&#160;</td>
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            <td style="width: 1%; vertical-align: bottom; padding-bottom: 1px;" rowspan="1">&#160;</td>
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              <div style="text-align: center; text-indent: -10pt; margin-left: 10pt; color: rgb(0, 0, 0);">Director</div>
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            <td style="width: 1%; vertical-align: bottom; padding-bottom: 1px;" rowspan="1">&#160;</td>
            <td nowrap="nowrap" style="width: 21%; vertical-align: top;" rowspan="2" colspan="1">
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          <tr>
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            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
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            <td style="width: 34.39%; vertical-align: middle;">&#160;</td>
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            <td style="width: 34.39%; vertical-align: top; border-bottom: 1px solid rgb(0, 0, 0); text-align: center;" rowspan="1">&#160;/s/ Mark Fields</td>
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            <td nowrap="nowrap" style="width: 21%; vertical-align: top;" rowspan="2" colspan="1">
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            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
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            <td style="width: 34.39%; vertical-align: top;" rowspan="1">&#160;</td>
            <td style="width: 1%; vertical-align: bottom;" rowspan="1">&#160;</td>
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            <td style="width: 1%; vertical-align: bottom; padding-bottom: 1px;">&#160;</td>
            <td style="width: 42.96%; vertical-align: top; padding-bottom: 1px;">
              <div style="text-align: center; text-indent: -10pt; margin-left: 10pt; color: rgb(0, 0, 0);">Director</div>
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            <td style="width: 1%; vertical-align: bottom; padding-bottom: 1px;">&#160;</td>
            <td nowrap="nowrap" style="width: 21%; vertical-align: top; padding-bottom: 1px;">
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              <div style="text-align: center; color: rgb(0, 0, 0);">Ho Kyu Kang</div>
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            <td style="width: 42.96%; vertical-align: top;">&#160;</td>
            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
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            <td style="width: 34.39%; vertical-align: top;">&#160;</td>
            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
            <td style="width: 42.96%; vertical-align: top;">&#160;</td>
            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
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            <td style="width: 42.96%; vertical-align: top; padding-bottom: 1px;">
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            <td nowrap="nowrap" style="width: 21%; vertical-align: top; padding-bottom: 1px;">
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            <td style="width: 42.96%; vertical-align: top;">&#160;</td>
            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
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              <div style="text-align: center; color: rgb(0, 0, 0);">November 6, 2025</div>
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            <td style="width: 42.96%; vertical-align: top;">&#160;</td>
            <td style="width: 1%; vertical-align: bottom;">&#160;</td>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.2
<SEQUENCE>2
<FILENAME>ef20057821_ex5-2.htm
<DESCRIPTION>EXHIBIT 5.2
<TEXT>
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    <div style="text-align: right;"> <font style="font-weight: bold;">Exhibit 5.2</font><br>
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    <div>
      <div><br>
      </div>
      <div style="text-align: center;">SILICON VALLEY OFFICE&#160; &#8226;&#160; 1755 EMBARCADERO ROAD&#160; &#8226;&#160; PALO ALTO, CALIFORNIA&#160; 94303</div>
      <div>&#160;</div>
      <div style="text-align: center;">TELEPHONE: +1.650.739.3939 &#8226; JONESDAY.COM<br>
        <br>
      </div>
      <div style="text-align: center;">November 6, 2025</div>
      <div> <br>
      </div>
      <div>Lam Research Corporation</div>
      <div>4650 Cushing Parkway</div>
      <div>Fremont, California 94538</div>
      <div>&#160;</div>
      <div style="text-align: center; font-weight: bold;">Re: Post-Effective Amendment No. 1 to Registration Statement on Form S-8 Filed by Lam Research Corporation</div>
      <div>&#160;</div>
      <div>Ladies and Gentlemen:</div>
      <div>&#160;</div>
      <div style="text-indent: 36pt;">We have acted as counsel for Lam Research Corporation, a Delaware corporation (the &#8220;<font style="font-weight: bold; font-style: italic;">Company</font>&#8221;), in connection with the registration of 18,000,000 shares (the &#8220;<font style="font-weight: bold; font-style: italic;">Shares</font>&#8221;) of the Company&#8217;s Common Stock, par value $0.001 per share (the &#8220;<font style="font-weight: bold; font-style: italic;">Common Stock</font>&#8221;), that may be issued or delivered and sold
        pursuant to the Company&#8217;s 2015 Stock Incentive Plan (the &#8220;<font style="font-weight: bold; font-style: italic;">2015</font>&#160;<font style="font-weight: bold; font-style: italic;">Plan</font>&#8221;) and the Lam Research Corporation 2025 Stock Incentive Plan
        (together with the 2015 Plan, the &#8220;<font style="font-weight: bold; font-style: italic;">Plans</font>&#8221;). On October 2, 2024, the Company effected a 10-for-1 stock split of the Common Stock, and the number of Shares covered by the 2015 Plan and
        registered for issuance under the Registration Statement on Form S-8 filed by the Company with the Securities and Exchange Commission on November 6, 2015 increased from 18,000,000 Shares to 180,000,000 Shares. In connection with the opinion
        expressed herein, we have examined such documents, records and matters of law as we have deemed relevant or necessary for purposes of such opinion. Based on the foregoing, and subject to the further limitations, qualifications and assumptions set
        forth herein, we are of the opinion that the Shares that may be issued or delivered and sold pursuant to the Plans and the authorized forms of stock option, restricted stock, restricted stock unit, stock appreciation right or other applicable award
        agreements thereunder (collectively, the &#8220;<font style="font-weight: bold; font-style: italic;">Award Agreements</font>&#8221;) will be, when issued or delivered and sold in accordance with the applicable Plan and the applicable Award Agreements, validly
        issued, fully paid and nonassessable, provided that the consideration for such Shares is at least equal to the stated par value thereof.</div>
      <div>&#160;</div>
      <div style="text-indent: 36pt;">The opinion expressed herein is limited to the General Corporation Law of the State of Delaware, as currently in effect, and we express no opinion as to the effect of any other jurisdiction on the opinion expressed
        herein. In addition, we have assumed that the resolutions authorizing the Company to issue or deliver and sell the Shares pursuant to the applicable Plan and the applicable Award Agreements will be in full force and effect at all times at which
        such Shares are issued or delivered or sold by the Company, and that the Company will take no action inconsistent with such resolutions.</div>
      <div>&#160;</div>
      <div style="text-indent: 36pt;">In rendering the opinion above, we have assumed that each award under the Plans will be approved by the Board of Directors of the Company or an authorized committee thereof.</div>
      <div>&#160;</div>
      <div style="text-indent: 36pt;">We hereby consent to the filing of this opinion as Exhibit 5.2 to the Post-Effective Amendment No. 1 to the Registration Statement on Form S-8 filed by the Company to effect registration of the Shares under the
        Securities Act of 1933 (the &#8220;<font style="font-weight: bold; font-style: italic;">Act</font>&#8221;). In giving such consent, we do not thereby admit that we are included in the category of persons whose consent is required under Section 7 of the Act or
        the rules and regulations of the Securities and Exchange Commission promulgated thereunder.</div>
      <div>&#160;</div>
      <table cellspacing="0" cellpadding="0" border="0" style="font-family: 'Times New Roman'; font-size: 10pt; width: 100%; border-collapse: collapse; text-align: left; color: #000000;" id="zf2604b32a1bf4719ad1e83ba1036e3f3">

          <tr>
            <td style="width: 50%; vertical-align: top;"><br>
            </td>
            <td style="width: 50%; vertical-align: top;">
              <div>Very truly yours,</div>
            </td>
          </tr>
          <tr>
            <td rowspan="1" style="width: 50%; vertical-align: top;">&#160;</td>
            <td rowspan="1" style="width: 50%; vertical-align: top;">&#160;</td>
          </tr>
          <tr>
            <td rowspan="1" style="width: 50%; vertical-align: top;">&#160;</td>
            <td rowspan="1" style="width: 50%; vertical-align: top;">
              <div>/s/ Jones Day</div>
            </td>
          </tr>

      </table>
      <div><font style="font-size: 6pt;"><br>
        </font> </div>
      <font style="font-size: 6pt;"><br>
      </font>
      <div><font style="font-size: 6pt;"> </font>
        <div style="padding: 0px 5px; font-size: 8pt; text-align: justify;">AMSTERDAM &#8226; ATLANTA &#8226; BEIJING &#8226; BOSTON &#8226; BRISBANE &#8226; BRUSSELS &#8226; CHICAGO &#8226; CLEVELAND &#8226; COLUMBUS &#8226; DALLAS &#8226; DETROIT &#8226; DUBAI &#8226; D&#220;SSELDORF &#8226; FRANKFURT &#8226; HONG&#160;KONG &#8226; HOUSTON &#8226; IRVINE &#8226;
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          WASHINGTON</div>
        <font style="font-size: 6pt;"> </font>
        <div style="text-align: justify;"><font style="font-size: 6pt;"> </font><br>
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        <div style="text-align: justify;"> <br>
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<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>ef20057821_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
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<body bgcolor="#ffffff" style="font-family: 'Times New Roman'; font-size: 10pt; text-align: left; color: #000000;">
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    <div style="text-align: right;"> <font style="font-weight: bold;">Exhibit 23.1</font><br>
    </div>
    <div>
      <div style="text-indent: 36pt; margin-left: 36pt; font-weight: bold;"> <br>
      </div>
      <div style="font-weight: bold; text-align: center;">Consent of Independent Registered Public Accounting Firm</div>
      <div>&#160;</div>
      <div>We consent to the incorporation by reference in the Post-Effective Amendment No. 1 to the Registration Statement (Form S-8 No. 333-207844) pertaining to the 2015 Stock Incentive Plan of Lam Research Corporation of our reports dated August 11,
        2025, with respect to the consolidated financial statements of Lam Research Corporation and the effectiveness of internal control over financial reporting of Lam Research Corporation included in its Annual Report (Form 10-K) for the year ended June
        29, 2025, filed with the Securities and Exchange Commission.</div>
      <div>&#160;
        <table cellspacing="0" cellpadding="0" border="0" style="font-family: 'Times New Roman'; font-size: 10pt; color: #000000; width: 100%;" id="z6506d421b9ca4fb6b952d2af079fa098">

            <tr>
              <td style="width: 50.00%;">/s/ Ernst &amp; Young LLP</td>
              <td style="width: 50.00%;">
                <div>&#160;</div>
              </td>
            </tr>
            <tr>
              <td style="width: 50.00%;"><br>
              </td>
              <td style="width: 50.00%;">
                <div>&#160;</div>
              </td>
            </tr>
            <tr>
              <td style="width: 50.00%;">
                <div style="text-align: left;">San Jose, California</div>
              </td>
              <td style="width: 50.00%;">
                <div>&#160;</div>
              </td>
            </tr>
            <tr>
              <td style="width: 50.00%;">
                <div style="text-align: left;">November 06, 2025</div>
              </td>
              <td style="width: 50.00%;">
                <div>&#160;</div>
              </td>
            </tr>

        </table>
      </div>
      <div><br>
      </div>
      <div>&#160;
        <hr noshade="noshade" align="center" style="height: 2px; color: #000000; background-color: #000000; text-align: center; margin-left: auto; margin-right: auto; border: none;"><br>
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