Key facts
- This page summarizes DUMAC, INC.'s Form 4 filing for Rigel Resource Acquisition Corp. (RRACF).
- 4 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 04 Dec 2025, 16:38.
DUMAC, INC. - 21 Nov 2025 Form 4 Insider Report for Rigel Resource Acquisition Corp. (RRACF)
- Reporting relationship
- 10%+ Owner
- Issuer ticker
- RRACF
- Reported as of
- 21 Nov 2025
- Net transaction value
- -$12,151,700
- SEC form
- 4
- Accepted by SEC
- 04 Dec 2025, 16:38:26 UTC
- Prior SEC filing
- 22 Nov 2024
- Source filing
- View source filing
- Reporting owner signature
- DUMAC, INC., Name: /s/ Robert E. McGrail, Title: Secretary
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
DUMAC, INC. filed Form 4 for Rigel Resource Acquisition Corp. (RRACF) on 04 Dec 2025.
Change
- Previous filing in this sequence was filed on 22 Nov 2024.
- Current net transaction value: -$12,151,700.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (2)
CIK 0001584258
Primary reporting owner
DUMAC, INC.
- Relationship
- 10%+ Owner
- Address
- 280 S MANGUM STREET, SUITE 210, DURHAM
- Signature
- DUMAC, INC., Name: /s/ Robert E. McGrail, Title: Secretary
- Signature date
- 04 Dec 2025
CIK 0001439873
Duke University
- Relationship
- 10%+ Owner
- Address
- C/O DUMAC, INC., 280 S MANGUM ST., SUITE 210, DURHAM
- Signature
- DUKE UNIVERSITY, Name: /s/ Robert E. McGrail, Title: Secretary, DUMAC, Inc.
- Signature date
- 04 Dec 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
RRAC
transaction
Class A Ordinary Shares
Sale
- Transaction value
- $2,333,126
- Shares
- -192,000
- Change %
- -100%
- Price
- $12.15*
- Shares after
- 0
- Date
- 21 Nov 2025
- Ownership
- See Footnotes
- Footnotes
- F1, F2, F3, F7
RRAC
transaction
Class A Ordinary Shares
Sale
- Transaction value
- $1,324,535
- Shares
- -109,000
- Change %
- -100%
- Price
- $12.15*
- Shares after
- 0
- Date
- 21 Nov 2025
- Ownership
- See Footnotes
- Footnotes
- F1, F3, F4, F7
RRAC
transaction
Class A Ordinary Shares
Sale
- Transaction value
- $6,659,132
- Shares
- -548,000
- Change %
- -100%
- Price
- $12.15*
- Shares after
- 0
- Date
- 21 Nov 2025
- Ownership
- See Footnotes
- Footnotes
- F1, F3, F5, F7
RRAC
transaction
Class A Ordinary Shares
Sale
- Transaction value
- $1,834,907
- Shares
- -151,000
- Change %
- -100%
- Price
- $12.15*
- Shares after
- 0
- Date
- 21 Nov 2025
- Ownership
- See Footnotes
- Footnotes
- F1, F3, F6, F7
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Section 16 status
DUMAC, INC. is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.
Explanation of responses 7 footnotes
Footnote F1
These Class A Ordinary Shares of Rigel Resource Acquisition Corp (the "Issuer") reported as disposed were redeemed by the Issuer as of November 21, 2025, for a redemption price of $12.151716 per Class A Ordinary Share, in connection with the Issuer's intention to dissolve and liquidate.
Footnote F2
The Duke Endowment, a charitable trust, indirectly held these Class A Ordinary Shares of the Issuer through G JBD LLC, a single member limited liability company wholly owned by The Duke Endowment. DUMAC, Inc. ("DUMAC") has been delegated voting and investment power over such Class A Ordinary Shares of the Issuer through an investment management agreement between DUMAC and The Duke Endowment and therefore DUMAC may have been deemed the beneficial owner of such Class A Ordinary Shares.
Footnote F3
DUMAC is a North Carolina non-profit corporation. DUMAC does not hold legal title to its clients' assets. The members of the board of directors of DUMAC are appointed by the executive committee of the board of trustees of Duke University.
Footnote F4
Employees' Retirement Plan of Duke University, a non-profit defined benefit plan, indirectly held these Class A Ordinary Shares of the Issuer through G ERP LLC, a single member limited liability company wholly owned by Employees' Retirement Plan of Duke University. DUMAC has been delegated voting and investment power over such Class A Ordinary Shares of the Issuer through an investment management agreement between DUMAC and Employees' Retirement Plan of Duke University and therefore DUMAC may have been deemed the beneficial owner of such Class A Ordinary Shares.
Footnote F5
Gothic Corporation ("Gothic"), a non-profit corporation, holds assets as a charitable support corporation for Duke University, including the Class A Ordinary Shares of the Issuer that were previously held. Gothic indirectly held these Class A Ordinary Shares of the Issuer through G LTP LLC, a single member limited liability company wholly owned by Gothic. The members of the board of directors of Gothic are appointed by the executive committee of the board of trustees of Duke University. DUMAC has been delegated voting and investment power over such Class A Ordinary Shares of the Issuer through an investment management agreement between DUMAC and Gothic and therefore DUMAC may have been deemed the beneficial owner of such Class A Ordinary Shares.
Footnote F6
Gothic HSP Corporation ("Gothic HSP"), a non-profit corporation, holds assets as a charitable support corporation for Duke University Health System, Inc., including the Class A Ordinary Shares of the Issuer that were previously held. Gothic HSP indirectly held these Class A Ordinary Shares of the Issuer through G HSP LLC, a single member limited liability company wholly owned by Gothic HSP. The members of the board of directors of Gothic HSP are appointed by the board of directors of Duke University Health System, Inc. The members of the board of directors of Duke University Health System, Inc. are appointed by the executive committee of the board of trustees of Duke University. DUMAC has been delegated voting and investment power over such Class A Ordinary Shares of the Issuer through an investment management agreement between DUMAC and Gothic HSP and therefore DUMAC may have been deemed the beneficial owner of such Class A Ordinary Shares.
Footnote F7
Each Reporting Person disclaims beneficial ownership of the Class A Ordinary Shares of the Issuer reported herein except to the extent of its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is or was the beneficial owner of such Class A Ordinary Shares for purposes of Section 16 or for any other purpose.