Ascent Solar Technologies, Inc. received an amended Schedule 13G filing showing that Jane Street Group, LLC, together with Jane Street Capital, LLC and Jane Street Global Trading, LLC, reports beneficial ownership of 352,696 shares of Ascent Solar common stock as of June 30, 2026. This position represents 3.6% of the outstanding common stock.
The filing states that Jane Street Group, LLC has no sole voting or dispositive power, but shared voting and shared dispositive power over 352,696 shares through its subsidiaries. Jane Street Capital, LLC is reported with 173,843 shares of shared voting and dispositive power, and Jane Street Global Trading, LLC with 178,853 shares. The group indicates ownership of 5 percent or less of the class.
Positive
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Negative
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Key Figures
Beneficial ownership:352,696 sharesOwnership percentage:3.6%Jane Street Capital holding:173,843 shares+3 more
6 metrics
Beneficial ownership352,696 sharesShares of Ascent Solar common stock beneficially owned by Jane Street Group, LLC
Ownership percentage3.6%Percent of Ascent Solar common stock class beneficially owned
Jane Street Capital holding173,843 sharesShares with shared voting and dispositive power at Jane Street Capital, LLC
Jane Street Global Trading holding178,853 sharesShares with shared voting and dispositive power at Jane Street Global Trading, LLC
Shared voting power352,696 sharesTotal Ascent Solar shares over which Jane Street Group, LLC has shared voting power
Shared dispositive power352,696 sharesTotal Ascent Solar shares over which Jane Street Group, LLC has shared dispositive power
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
shared voting powerfinancial
"Shared Voting Power 352,696.00"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
shared dispositive powerfinancial
"Shared Dispositive Power 352,696.00"
parent holding companyfinancial
"If a parent holding company has filed this schedule"
What stake in Ascent Solar Technologies (ASTI) does Jane Street report in this 13G/A?
Jane Street Group, LLC reports beneficial ownership of 352,696 Ascent Solar shares, representing 3.6% of the common stock. This position is held with shared voting and dispositive power through its subsidiaries Jane Street Capital, LLC and Jane Street Global Trading, LLC.
How many Ascent Solar (ASTI) shares does each Jane Street subsidiary hold?
Jane Street Capital, LLC reports 173,843 shares with shared voting and dispositive power, while Jane Street Global Trading, LLC reports 178,853 shares with shared voting and dispositive power. Together, these subsidiaries account for the 352,696 shares reported by Jane Street Group, LLC.
What percentage of Ascent Solar (ASTI) does Jane Street’s 13G/A say it owns?
The filing states that Jane Street Group, LLC beneficially owns 3.6% of Ascent Solar’s common stock, corresponding to 352,696 shares. The filing also indicates that this represents ownership of 5 percent or less of the class of common stock.
Does Jane Street have sole or shared voting power over its Ascent Solar (ASTI) shares?
Jane Street Group, LLC reports 0 shares with sole voting power and 352,696 shares with shared voting power. It likewise reports 0 shares with sole dispositive power and 352,696 shares with shared dispositive power over Ascent Solar common stock.
Which entities are included in Jane Street’s group filing for Ascent Solar (ASTI)?
The Schedule 13G/A lists Jane Street Group, LLC as the parent, with Jane Street Capital, LLC and Jane Street Global Trading, LLC as subsidiaries. All three Delaware entities share beneficial ownership and report their principal office at 250 Vesey Street, New York, NY.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
Ascent Solar Technologies, Inc.
(Name of Issuer)
Common Stock, $0.0001 par value per share
(Title of Class of Securities)
043635804
(CUSIP Number)
06/30/2026
(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)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
043635804
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
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
352,696.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
352,696.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
352,696.00
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)
3.6 %
12
Type of Reporting Person (See Instructions)
HC
SCHEDULE 13G
CUSIP Number(s):
043635804
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:
5
Sole Voting Power
0.00
6
Shared Voting Power
173,843.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
173,843.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
173,843.00
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)
1.8 %
12
Type of Reporting Person (See Instructions)
BD
SCHEDULE 13G
CUSIP Number(s):
043635804
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:
5
Sole Voting Power
0.00
6
Shared Voting Power
178,853.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
178,853.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
178,853.00
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)
1.8 %
12
Type of Reporting Person (See Instructions)
OO
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Ascent Solar Technologies, Inc.
(b)
Address of issuer's principal executive offices:
12300 GRANT STREET, 12300 GRANT STREET, THORNTON, COLORADO, 80241.
Item 2.
(a)
Name of person filing:
Jane Street Group, LLC;
Jane Street Capital, LLC;
Jane Street Global Trading, LLC
(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
(c)
Citizenship:
See Item 4 of Cover Page
(d)
Title of class of securities:
Common Stock, $0.0001 par value per share
(e)
CUSIP No.:
043635804
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);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(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:
352,696.00
(b)
Percent of class:
3.6%
(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:
352,696.00
(iii) Sole power to dispose or to direct the disposition of:
0
(iv) Shared power to dispose or to direct the disposition of:
352,696.00
Item 5.
Ownership of 5 Percent or Less of a Class.
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
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
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.
