Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
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- Peter Lynch
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13G
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UNDER THE SECURITIES EXCHANGE ACT OF 1934
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(Amendment No. 1)*
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Super Micro Computer, Inc. (Name of Issuer) |
Common Stock, $0.001 par value (Title of Class of Securities) |
86800U302 (CUSIP Number) |
06/11/2026 (Date of Event Which Requires Filing of this Statement) |
| Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |
 Rule 13d-1(b)
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 Rule 13d-1(c)
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| Rule 13d-1(d)
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SCHEDULE 13G
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| CUSIP No. | 86800U302 |
| 1 | Names of Reporting Persons
JANE STREET GROUP, LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
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| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
56,635,790.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
8.5 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
HC |
Comment for Type of Reporting Person: The reported holding includes 18,182,400 shares that can be acquired from Depositary Shares Each Representing a 1/20th Interest in a Share of 7.00% Series A Mandatory Convertible Preferred Stock ("Convertible Preferred Stock") held by Jane Street Global Trading, LLC (JSGT). The % ownership calculation uses 665,014,777 outstanding shares which is based on (1) 646,832,377 shares outstanding as of June 10, 2026 as stated in the issuer's 424B5 filing on June 12, 2026; and (2) dilution of the outstanding shares due to 18,182,400 shares that can be acquired by JSGT through the Convertible Preferred Stock.
SCHEDULE 13G
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| CUSIP No. | 86800U302 |
| 1 | Names of Reporting Persons
Jane Street Capital, LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
15,728,196.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
2.4 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
BD |
Comment for Type of Reporting Person: The % ownership calculation uses 665,014,777 outstanding shares which is based on (1) 646,832,377 shares outstanding as of June 10, 2026 as stated in the issuer's 424B5 filing on June 12, 2026; and (2) dilution of the outstanding shares due to 18,182,400 shares that can be acquired by JSGT through the Convertible Preferred Stock.
SCHEDULE 13G
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| CUSIP No. | 86800U302 |
| 1 | Names of Reporting Persons
Jane Street Global Trading, LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
40,895,776.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
6.2 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: The reported holding includes 18,182,400 shares that can be acquired from Convertible Preferred Stock held by JSGT. The % ownership calculation uses 665,014,777 outstanding shares which is based on (1) 646,832,377 shares outstanding as of June 10, 2026 as stated in the issuer's 424B5 filing on June 12, 2026; and (2) dilution of the outstanding shares due to 18,182,400 shares that can be acquired by JSGT through the Convertible Preferred Stock.
SCHEDULE 13G
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| CUSIP No. | 86800U302 |
| 1 | Names of Reporting Persons
Jane Street Singapore Pte. Ltd | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
| ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
SINGAPORE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
11,818.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
0.0 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
OO |
Comment for Type of Reporting Person: The % ownership calculation uses 665,014,777 outstanding shares which is based on (1) 646,832,377 shares outstanding as of June 10, 2026 as stated in the issuer's 424B5 filing on June 12, 2026; and (2) dilution of the outstanding shares due to 18,182,400 shares that can be acquired by JSGT through the Convertible Preferred Stock.
SCHEDULE 13G
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| Item 1. | ||
| (a) | Name of issuer:
Super Micro Computer, Inc. | |
| (b) | Address of issuer's principal executive offices:
980 ROCK AVENUE, 980 ROCK AVENUE, SAN JOSE, CALIFORNIA, 95131. | |
| Item 2. | ||
| (a) | Name of person filing:
Jane Street Group, LLC; Jane Street Capital, LLC; Jane Street Global Trading, LLC; Jane Street Singapore Pte. Limited | |
| (b) | Address or principal business office or, if none, residence:
Jane Street Group, LLC 250 Vesey Street 3rd Floor New York, NY 10281 Jane Street Capital, LLC 250 Vesey Street 3rd Floor New York, NY 10281 Jane Street Global Trading, LLC 250 Vesey Street 3rd Floor New York, NY 10281 Jane Street Singapore Pte. Limited 2 Central Boulevard, #43-01 IOI Central Boulevard Towers (West Tower) 018916, Singapore | |
| (c) | Citizenship:
See Item 4 of Cover Page | |
| (d) | Title of class of securities:
Common Stock, $0.001 par value | |
| (e) | CUSIP No.:
| |
| Item 3. | If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: | |
| (a) | Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
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| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
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| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
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| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
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| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
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| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
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| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
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| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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| (i) | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
| |
| (j) | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution: | |
| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
| |
| Item 4. | Ownership | |
| (a) | Amount beneficially owned:
56,635,790.00 | |
| (b) | Percent of class:
8.5% %
| |
| (c) | Number of shares as to which the person has:
| |
| (i) Sole power to vote or to direct the vote:
0 | ||
| (ii) Shared power to vote or to direct the vote:
56,635,790.00 | ||
| (iii) Sole power to dispose or to direct the disposition of:
0 | ||
| (iv) Shared power to dispose or to direct the disposition of:
56,635,790.00 | ||
| Item 5. | Ownership of 5 Percent or Less of a Class. | |
| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. | |
Not Applicable
| ||
| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. | |
If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.
Subsidiary Jane Street Capital, LLC Jane Street Global Trading, LLC Jane Street Singapore Pte. Limited | ||
| Item 8. | Identification and Classification of Members of the Group. | |
Not Applicable
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| Item 9. | Notice of Dissolution of Group. | |
Not Applicable
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| Item 10. | Certifications: |
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. |
| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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Comments accompanying signature: This amendment is being filed to correct an error in the signature block of the original filing. There are no other changes to the information disclosed.