1RT Acquisition Corp. Schedule 13G/A amendment reports that the Harraden reporting group has ceased to be a beneficial owner of more than five percent of the Issuer's Class A Common Stock. The filing states Amount beneficially owned: 0 and Percent of class: 0%.
This amendment is described as an exit filing and is signed by Frederick V. Fortmiller, Jr. on 05/14/2026. The filing lists the Reporting Persons and their relationships (general partner, investment adviser, and managing member).
Positive
None.
Negative
None.
Insights
Harraden group formally discloses exit from >5% ownership.
The amendment states the Reporting Persons now report 0 shares and 0% ownership in Class A Common Stock. It identifies the reporting entities and explains interrelationships (GP, LP, adviser) and the managing member who signed the filing.
Implications: this is an administrative disclosure that ends a prior >5% reporting status. Subsequent filings may disclose any future acquisitions by these entities.
Key Figures
Amount beneficially owned:0 sharesPercent of class:0%CUSIP:G6757R105+2 more
"This Statement is filed on behalf of the following persons (collectively, the "Reporting Persons")"
A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.
beneficially ownedfinancial
"Amount beneficially owned: 0"
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.
exit filingregulatory
"This Amendment constitutes an exit filing for the Reporting Persons."
CUSIPfinancial
"CUSIP No.: G6757R105"
A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.
What does ONCH Schedule 13G/A amendment state about Harraden's holdings?
The amendment states Harraden's reporting group now beneficially owns 0 shares representing 0% of Class A Common Stock. It is filed as an exit filing signed on 05/14/2026.
Who are the Reporting Persons named in the ONCH filing?
The filing lists Harraden Circle Investments, LLC; Harraden Circle Investors GP, LP; Harraden Circle Investors GP, LLC; Harraden Circle Investors, LP; Harraden Circle Special Opportunities, LP; Harraden Circle Strategic Investments, LP; Harraden Circle Concentrated, LP; and Frederick V. Fortmiller, Jr.
Does the Schedule 13G/A disclose any shares still held by Harraden entities?
The filing explicitly discloses Amount beneficially owned: 0 and Percent of class: 0%. It reports no sole or shared voting or dispositive power for the listed entities.
What relationship ties the Harraden entities together in the ONCH filing?
The disclosure states Harraden GP is the general partner of the funds, Harraden LLC is the general partner of Harraden GP, Harraden Adviser serves as investment manager, and Mr. Fortmiller is managing member of Harraden LLC and Harraden Adviser.
When was the ONCH Schedule 13G/A amendment signed?
The amendment is signed by Frederick V. Fortmiller, Jr. with signature dates shown as 05/14/2026. The top of the excerpt lists 03/31/2026 in the header area.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 2)
1RT Acquisition Corp.
(Name of Issuer)
Class A Common Stock
(Title of Class of Securities)
G6757R105
(CUSIP Number)
03/31/2026
(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):
G6757R105
1
Names of Reporting Persons
Harraden Circle Investments, 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
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 %
12
Type of Reporting Person (See Instructions)
OO, HC, IA
SCHEDULE 13G
CUSIP Number(s):
G6757R105
1
Names of Reporting Persons
Harraden Circle Investors GP, 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 %
12
Type of Reporting Person (See Instructions)
PN, HC
SCHEDULE 13G
CUSIP Number(s):
G6757R105
1
Names of Reporting Persons
Harraden Circle Investors GP, 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
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 %
12
Type of Reporting Person (See Instructions)
OO, HC
SCHEDULE 13G
CUSIP Number(s):
G6757R105
1
Names of Reporting Persons
Harraden Circle Investors, 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 %
12
Type of Reporting Person (See Instructions)
PN
SCHEDULE 13G
CUSIP Number(s):
G6757R105
1
Names of Reporting Persons
Harraden Circle Special Opportunities, 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 %
12
Type of Reporting Person (See Instructions)
PN
SCHEDULE 13G
CUSIP Number(s):
G6757R105
1
Names of Reporting Persons
Harraden Circle Strategic Investments, 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 %
12
Type of Reporting Person (See Instructions)
PN
SCHEDULE 13G
CUSIP Number(s):
G6757R105
1
Names of Reporting Persons
Harraden Circle Concentrated, 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 %
12
Type of Reporting Person (See Instructions)
PN
SCHEDULE 13G
CUSIP Number(s):
G6757R105
1
Names of Reporting Persons
Frederick V. Fortmiller, Jr.
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
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 %
12
Type of Reporting Person (See Instructions)
IN, HC
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
1RT Acquisition Corp.
(b)
Address of issuer's principal executive offices:
205 West 28th Street, 2nd Floor Suite C, New York, New York 10001
Item 2.
(a)
Name of person filing:
This Statement is filed on behalf of the following persons (collectively, the "Reporting Persons"):
i) Harraden Circle Investments, LLC ("Harraden Adviser");
ii) Harraden Circle Investors GP, LP ("Harraden GP");
iii) Harraden Circle Investors GP, LLC ("Harraden LLC");
iv) Harraden Circle Investors, LP ("Harraden Fund");
v) Harraden Circle Special Opportunities, LP ("Harraden Special Op Fund");
vi) Harraden Circle Strategic Investments, LP ("Harraden Strategic Fund");
vii) Harraden Circle Concentrated, LP ("Harraden Concentrated Fund"); and
viii) Frederick V. Fortmiller, Jr. ("Mr. Fortmiller")
This Statement relates to Shares (as defined herein) directly beneficially owned by Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, and Harraden Concentrated Fund. Harraden GP is the general partner to Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, and Harraden Concentrated Fund, and Harraden LLC is the general partner of Harraden GP. Harraden Adviser serves as investment manager to Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, Harraden Concentrated Fund, and other high net worth individuals. Mr. Fortmiller is the managing member of each of Harraden LLC and Harraden Adviser. In such capacities, each of Harraden GP, Harraden LLC, Harraden Adviser and Mr. Fortmiller may be deemed to indirectly beneficially own the Shares reported herein directly beneficially owned by Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, and Harraden Concentrated Fund.
(b)
Address or principal business office or, if none, residence:
855 Third Avenue, Suite 2600B, New York, NY 10022
(c)
Citizenship:
Each of Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, Harraden Concentrated Fund, and Harraden GP is a Delaware limited partnership. Each of Harraden LLC and Harraden Adviser is a Delaware limited liability company. Mr. Fortmiller is a citizen of the United States of America.
(d)
Title of class of securities:
Class A Common Stock
(e)
CUSIP No.:
G6757R105
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:
0
(b)
Percent of class:
0 %
(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:
0
(iii) Sole power to dispose or to direct the disposition of:
0
(iv) Shared power to dispose or to direct the disposition of:
0
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.
See disclosure in Item 2 hereof.
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.
Harraden Circle Investments, LLC
Signature:
/s/ Frederick V. Fortmiller, Jr.
Name/Title:
Frederick V. Fortmiller, Jr., managing member
Date:
05/14/2026
Harraden Circle Investors GP, LP
Signature:
/s/ Frederick V. Fortmiller, Jr.
Name/Title:
Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner
Date:
05/14/2026
Harraden Circle Investors GP, LLC
Signature:
/s/ Frederick V. Fortmiller, Jr.
Name/Title:
Frederick V. Fortmiller, Jr., managing member
Date:
05/14/2026
Harraden Circle Investors, LP
Signature:
/s/ Frederick V. Fortmiller, Jr.
Name/Title:
Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Date:
05/14/2026
Harraden Circle Special Opportunities, LP
Signature:
/s/ Frederick V. Fortmiller, Jr.
Name/Title:
Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Date:
05/14/2026
Harraden Circle Strategic Investments, LP
Signature:
/s/ Frederick V. Fortmiller, Jr.
Name/Title:
Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Date:
05/14/2026
Harraden Circle Concentrated, LP
Signature:
/s/ Frederick V. Fortmiller, Jr.
Name/Title:
Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Date:
05/14/2026
Frederick V. Fortmiller, Jr.
Signature:
/s/ Frederick V. Fortmiller, Jr.
Name/Title:
Frederick V. Fortmiller, Jr.
Date:
05/14/2026
Comments accompanying signature: Explanatory Note: This Amendment is being filed to report that the Reporting Persons have ceased to be the beneficial owners of more than five percent of the outstanding shares of Class A common stock of the "Issuer". This Amendment constitutes an exit filing for the Reporting Persons.
