Sec Form 13G Filing - KPET Ultra Paceline LLC filing for - 2026-05-14

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"
- Peter Lynch
What is insider trading>>





Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Checkbox not checked   Rule 13d-1(b)
Checkbox not checked   Rule 13d-1(c)
Checkbox checked   Rule 13d-1(d)




schemaVersion:


SCHEDULE 13G



Comment for Type of Reporting Person:  (1) Rows 6, 8 and 9: The shares reported above are the Issuer's Class B ordinary shares that are convertible into the Issuer's Class A ordinary shares on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-294067). KPET Ultra Paceline LLC, a Cayman Islands limited liability company (the "Sponsor"), is the record holder of the shares reported above. KPThree Capital LLC, a Delaware limited liability company ("KPThree"), and Roger Edward ("Eduardo") Tamraz are the managing members of the Sponsor and have shared voting and investment discretion with respect to the ordinary shares held of record by the Sponsor. Karl Peterson is KPThree's managing member. As such, each of Karl Peterson and Eduardo Tamraz may be deemed to have beneficial ownership of the Class B ordinary shares held directly by the Sponsor. Each of Eduardo Tamraz, Karl Peterson and KPThree disclaim any beneficial ownership of securities held by the Sponsor other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. (2) Row 11: The percentage is based on the 28,985,000 of the Issuer's ordinary shares outstanding as of May 13, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on May 13, 2026.


SCHEDULE 13G



Comment for Type of Reporting Person:  (1) Rows 6, 8 and 9: The shares reported above are the Issuer's Class B ordinary shares that are convertible into the Issuer's Class A ordinary shares on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-294067). The Sponsor is the record holder of 5,630,000 of the shares reported above. KPThree and Eduardo Tamraz are the managing members of the Sponsor and have shared voting and investment discretion with respect to the ordinary shares held of record by the Sponsor. Karl Peterson is KPThree's managing member. As such, each of Karl Peterson and Eduardo Tamraz may be deemed to have beneficial ownership of the Class B ordinary shares held directly by the Sponsor. Each of Eduardo Tamraz, Karl Peterson and KPThree disclaim any beneficial ownership of securities held by the Sponsor other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. The shares reported above also include 235,000 Class A ordinary shares included in private placement units acquired by KPET Ultra Paceline Unit Holdings LLC ("Unit Holdings") in a private placement that closed simultaneously with the Issuer's initial public offering. Unit Holdings is the record holder of such securities. KPThree is the managing member of Unit Holdings and Karl Peterson is the managing member of KPThree. As such, Karl Peterson may be deemed to have beneficial ownership of the Class A ordinary shares held directly by Unit Holdings. Each of Karl Peterson and KPThree disclaim any beneficial ownership of securities held by Unit Holdings other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. (2) Row 10: Does not include 39,167 of the Issuer's Class A ordinary shares which may be purchased by exercising warrants that are not presently exercisable. These warrants were included in the private placement units acquired by Unit Holdings in a private placement that closed simultaneously with the Issuer's initial public offering. (3) Row 11: The percentage is based on the 28,985,000 of the Issuer's ordinary shares outstanding as of May 13, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on May 13, 2026.


SCHEDULE 13G



Comment for Type of Reporting Person:  (1) Rows 6, 8 and 9: The shares reported above are the Issuer's Class B ordinary shares that are convertible into the Issuer's Class A ordinary shares on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-294067). The Sponsor is the record holder of 5,630,000 of the shares reported above. KPThree and Eduardo Tamraz are the managing members of the Sponsor and have shared voting and investment discretion with respect to the ordinary shares held of record by the Sponsor. Karl Peterson is KPThree's managing member. As such, each of Karl Peterson and Eduardo Tamraz may be deemed to have beneficial ownership of the Class B ordinary shares held directly by the Sponsor. Each of Eduardo Tamraz, Karl Peterson and KPThree disclaim any beneficial ownership of securities held by the Sponsor other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. The shares reported above also include 235,000 Class A ordinary shares included in private placement units acquired by Unit Holdings in a private placement that closed simultaneously with the Issuer's initial public offering. Unit Holdings is the record holder of such securities. KPThree is the managing member of Unit Holdings and Karl Peterson is the managing member of KPThree. As such, Karl Peterson may be deemed to have beneficial ownership of the Class A ordinary shares held directly by Unit Holdings. Each of Karl Peterson and KPThree disclaim any beneficial ownership of securities held by Unit Holdings other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. (2) Row 10: Does not include 39,167 of the Issuer's Class A ordinary shares which may be purchased by exercising warrants that are not presently exercisable. These warrants were included in the private placement units acquired by Unit Holdings in a private placement that closed simultaneously with the Issuer's initial public offering. (3) Row 11: The percentage is based on the 28,985,000 of the Issuer's ordinary shares outstanding as of May 13, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on May 13, 2026.


SCHEDULE 13G



Comment for Type of Reporting Person:  (1) Rows 6, 8 and 9: The shares reported above are the Issuer's Class B ordinary shares that are convertible into the Issuer's Class A ordinary shares on a one-for-on basis, subject to adjustment pursuant to certain anti-dilution rights, as described under the heading "Description of Securities--Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-294067). The Sponsor is the record holder of the shares reported above. KPThree and Eduardo Tamraz are the managing members of the Sponsor and have shared voting and investment discretion with respect to the ordinary shares held of record by the Sponsor. Karl Peterson is KPThree's managing member. As such, each of Karl Peterson and Eduardo Tamraz may be deemed to have beneficial ownership of the Class B ordinary shares held directly by the Sponsor. Each of Eduardo Tamraz, Karl Peterson and KPThree disclaim any beneficial ownership of securities held by the Sponsor other than to the extent of any pecuniary interest he or it may have therein, directly or indirectly. (2) Row 11: The percentage is based on the 28,985,000 of the Issuer's ordinary shares outstanding as of May 13, 2026, as reported in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on May 13, 2026.


SCHEDULE 13G


 
KPET Ultra Paceline LLC
 
Signature:/s/ Eduardo Tamraz
Name/Title:Eduardo Tamraz/Authorized Person
Date:05/14/2026
 
KPThree Capital LLC
 
Signature:/s/ Karl Peterson
Name/Title:Karl Peterson/Authorized Person
Date:05/14/2026
 
Karl Peterson
 
Signature:/s/ Karl Peterson
Name/Title:Karl Peterson
Date:05/14/2026
 
Eduardo Tamraz
 
Signature:/s/ Eduardo Tamraz
Name/Title:Eduardo Tamraz
Date:05/14/2026
Exhibit Information

Exhibit No. Description 99 Joint Filing Agreement.

primary_doc.xml