Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.
Cue Biopharma, Inc. reported beneficial ownership of 644,916 shares (8.50%) for reporting person Mark E. Strome, Strome Group, Inc.’s sole director, president and chief executive officer. Strome Group and Strome Investment Management, LP each reported 643,242 shares (8.48%); Strome Mezzanine Fund II, L.P. reported 593,242 (7.82%), and Strome Dynasty, LLC reported 50,000 (0.66%). The ownership rows include shared voting and dispositive authority attributed across related entities. Mezzanine II reported warrants exercisable for up to 222,839 underlying shares within 60 days; the warrant ownership limit was adjusted from 5.0% to 8.50%, effective August 15, 2026.
Key Figures
Mark E. Strome beneficial ownership:644,916 shares (8.50%)Mark E. Strome sole voting and dispositive power:1,674 sharesMark E. Strome shared voting and dispositive power:643,242 shares+4 more
7 metrics
Mark E. Strome beneficial ownership644,916 shares (8.50%)Reported ownership
Mark E. Strome sole voting and dispositive power1,674 sharesReported ownership powers
Mark E. Strome shared voting and dispositive power643,242 sharesReported ownership powers
Strome Mezzanine Fund II, L.P. beneficial ownership593,242 shares (7.82%)Reported ownership
Mezzanine II warrant sharesUp to 222,839 sharesWarrants exercisable within 60 days
Warrant ownership limit5.0% to 8.50%Adjusted effective August 15, 2026
Cue Biopharma shares outstanding7,264,414 sharesAs of August 12, 2026
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 powerregulatory
"Shared Voting Power"
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.
dispositive powerregulatory
"shared voting and dispositive power"
Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.
shares underlying warrantsfinancial
"222,839 shares underlying certain warrants held by Mezzanine II"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many CUE shares does Mark E. Strome beneficially own?
Mark E. Strome reported beneficial ownership of 644,916 shares, or 8.50%. He reported sole voting and dispositive power over 1,674 shares and shared voting and dispositive power over 643,242 shares.
What is the CUE warrant ownership limit for Mezzanine II?
The warrant ownership threshold was adjusted from 5.0% to 8.50%, effective August 15, 2026, after Strome Mezzanine Fund II, L.P. requested the adjustment on June 15, 2026. The entity reported warrants exercisable for up to 222,839 shares within 60 days.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 3)
Cue Biopharma, Inc.
(Name of Issuer)
Common Stock, $0.001 par value per share
(Title of Class of Securities)
22978P205
(CUSIP Number)
07/14/2026
(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):
22978P205
1
Names of Reporting Persons
Mark E. Strome
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
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
1,674.00
6
Shared Voting Power
643,242.00
7
Sole Dispositive Power
1,674.00
8
Shared Dispositive Power
643,242.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
644,916.00
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)
8.50 %
12
Type of Reporting Person (See Instructions)
IN
Comment for Type of Reporting Person: See Items 4(a) and 6 below with respect to the number of shares in rows 6 and 8, and Item 4(b) with respect to the percentage in row 11.
SCHEDULE 13G
CUSIP Number(s):
22978P205
1
Names of Reporting Persons
Strome Group, Inc.
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
643,242.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
643,242.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
643,242.00
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)
8.48 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: See Items 4(a) and 6 below with respect to the number of shares in rows 6 and 8, and Item 4(b) with respect to the percentage in row 11.
SCHEDULE 13G
CUSIP Number(s):
22978P205
1
Names of Reporting Persons
Strome Investment Management, LP
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
643,242.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
643,242.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
643,242.00
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)
8.48 %
12
Type of Reporting Person (See Instructions)
IA, PN
Comment for Type of Reporting Person: See Items 4(a) and 6 below with respect to the number of shares in rows 6 and 8, and Item 4(b) with respect to the percentage in row 11.
SCHEDULE 13G
CUSIP Number(s):
22978P205
1
Names of Reporting Persons
Strome Dynasty, 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
50,000.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
50,000.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
50,000.00
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)
0.66 %
12
Type of Reporting Person (See Instructions)
OO
Comment for Type of Reporting Person: See Item 4(b) below with respect to the percentage in row 11.
SCHEDULE 13G
CUSIP Number(s):
22978P205
1
Names of Reporting Persons
Strome Mezzanine Fund, LP
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
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
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)
0.00 %
12
Type of Reporting Person (See Instructions)
PN
Comment for Type of Reporting Person: See Item 4(b) below with respect to the percentage in row 11.
SCHEDULE 13G
CUSIP Number(s):
22978P205
1
Names of Reporting Persons
Strome Mezzanine Fund II, LP
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
593,242.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
593,242.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
593,242.00
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)
7.82 %
12
Type of Reporting Person (See Instructions)
PN
Comment for Type of Reporting Person: See Items 4(a) and 6 below with respect to the number of shares in rows 6 and 8, and Item 4(b) with respect to the percentage in row 11.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Cue Biopharma, Inc.
(b)
Address of issuer's principal executive offices:
40 Guest Street, Boston, Massachusetts 02135
Item 2.
(a)
Name of person filing:
1. Mark E. Strome
2. Strome Group, Inc.
3. Strome Investment Management, LP ("Manager")
4. Strome Mezzanine Fund, L.P. ("Mezzanine")
5. Strome Mezzanine Fund, II, L.P. ("Mezzanine II")
6. Strome Dynasty, LLC ("Strome Dynasty")
(b)
Address or principal business office or, if none, residence:
1. Mr. Strome: 13535 Ventura Blvd., Ste C-525, Sherman Oaks, California 91423
2. Strome Group, Inc., Manager, Mezzanine, Mezzanine II and Dynasty: 1688 Meridian Ave., Suite 727, Miami Beach, Florida 33139
(c)
Citizenship:
1. Mr. Strome: United States
2. Strome Group, Inc., Manager, Mezzanine, Mezzanine II and Dynasty: Delaware
(d)
Title of class of securities:
Common Stock, $0.001 par value per share
(e)
CUSIP No.:
22978P205
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:
1. Mr. Strome: 644,916 (1)
2. Strome Group, Inc.: 643,242 (1)
3. Manager: 643,242 (1)
4. Mezzanine: 0
5. Mezzanine II: 593,242 (1)
6. Dynasty: 50,000
(1) Includes 222,839 shares underlying certain warrants held by Mezzanine II. The warrants originally had a provision prohibiting their exercise beyond a number of shares that would cause the beneficial ownership of their holder (including its affiliates) to exceed 5.0% of the outstanding shares following such exercise. On June 15, 2026, Mezzanine II requested the issuer to adjust the percentage to 8.50% with respect to the warrants, and on August 15, 2026, the requested adjustment became effective. On July 14, August 05 and August 27, 2026, Mezzanine II partially exercised one of the warrants for 99,997 shares, 99,996 shares and 99,996 shares, respectively. Accordingly, as of the date of this filing, Mezzanine II may exercise the warrants for up to 222,839 shares within 60 days of the date of this filing.
(b)
Percent of class:
1. Mr. Strome: 8.50%
2. Strome Group, Inc.: 8.48%
3. Manager: 8.48%
4. Mezzanine: 0.00%
5. Mezzanine II: 7.82%
6. Dynasty: 0.66%
The percentages are based upon a denominator that is the sum of: (i) 7,264,414 shares outstanding as of August 12, 2026, as reported in the issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 14, 2026, (ii) Mezzanine II's partial exercise of a warrant for 99,996 shares on August 27, 2026, and (iii) 222,839 shares underlying the warrants held by Mezzanine II that are exercisable within 60 days of the date of this filing.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
Mr. Strome has sole voting and dispositive power over the shares held of record by the Mark E. Strome Living Trust U/A/D January 15, 1997. He has shared voting and dispositive power over the shares held of record by Dynasty, Mezzanine and Mezzanine II. He also has shared voting and dispositive power over the warrants held by Mezzanine II, including their underlying shares.
Manager is the general partner of Dynasty, Mezzanine and Mezzanine II, and Strome Group, Inc. is the general partner of Manager. Mr. Strome is the sole director, president and chief executive officer of Strome Group, Inc.
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.
See Agreement of the Reporting Persons dated October 8, 2026, filed as Exhibit 99.1 to this Schedule 13G/A.
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.
Mark E. Strome
Signature:
/s/ Mark E. Strome
Name/Title:
Mark E. Strome
Date:
10/08/2026
Strome Group, Inc.
Signature:
/s/ Mark E. Strome
Name/Title:
President
Date:
10/08/2026
Strome Investment Management, LP
Signature:
/s/ Mark E. Strome
Name/Title:
President of Strome Group, Inc., its general partner
Date:
10/08/2026
Strome Dynasty, LLC
Signature:
/s/ Mark E. Strome
Name/Title:
President of Strome Group, Inc., the general partner of Strome Investment Management, LP, the general partner of Strome Dynasty, LLC
Date:
10/08/2026
Strome Mezzanine Fund, LP
Signature:
/s/ Mark E. Strome
Name/Title:
President of Strome Group, Inc., the general partner of Strome Investment Management, LP, the general partner of Strome Mezzanine Fund, LP
Date:
10/08/2026
Strome Mezzanine Fund II, LP
Signature:
/s/ Mark E. Strome
Name/Title:
President of Strome Group, Inc., the general partner of Strome Investment Management, LP, the general partner of Strome Mezzanine Fund II, LP
Date:
10/08/2026
Exhibit Information
99.1 Agreement of the Reporting Persons, dated October 8, 2026
