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.
- Peter Lynch
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
______________
SCHEDULE 13G/A
Under the Securities Exchange Act of 1934
(Amendment No. 4)*
GH Research PLC
(Name of Issuer)
Ordinary Shares, Nominal value of $ 0.025 per share
(Title of Class of Securities)
G3855L106
(CUSIP Number)
December 31, 2023
(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)
x Rule 13d-1(c)
¨ Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
CUSIP No. G3855L106
| 1 |
NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
RA Capital Management, L.P.
|
| 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
|
| 6 |
SHARED VOTING POWER
5,587,333
| |
| 7 |
SOLE DISPOSITIVE POWER
0
| |
| 8 |
SHARED DISPOSITIVE POWER
5,587,333
|
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,587,333
|
| 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
10.7%
|
| 12 |
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IA, PN
|
CUSIP No. G3855L106
| 1 |
NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Peter Kolchinsky
|
| 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 of America
|
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: |
5 |
SOLE VOTING POWER
0
|
| 6 |
SHARED VOTING POWER
5,587,333
| |
| 7 |
SOLE DISPOSITIVE POWER
0
| |
| 8 |
SHARED DISPOSITIVE POWER
5,587,333
|
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,587,333
|
| 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
10.7%
|
| 12 |
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
HC, IN
|
CUSIP No. G3855L106
| 1 |
NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Rajeev Shah
|
| 2 |
CHECK THE APPROPRIATE BOX IF A MEMBER OF A G ROUP (SEE INSTRUCTIONS) (a) ¨ (b) ¨
|
| 3 |
SEC USE ONLY
|
| 4 |
CITIZENSHIP OR PLACE OF ORGANIZATION
United States of America
|
|
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: |
5 |
SOLE VOTING POWER
0
|
| 6 |
SHARED VOTING POWER
5,587,333
| |
| 7 |
SOLE DISPOSITIVE POWER
0
| |
| 8 |
SHARED DISPOSITIVE POWER
5,587,333
|
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,587,333
|
| 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
10.7%
|
| 12 |
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
HC, IN
|
CUSIP No. G3855L106
| 1 |
NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
RA Capital Healthcare Fund, L.P.
|
| 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
|
| 6 |
SHARED VOTING POWER
5,369,664
| |
| 7 |
SOLE DISPOSITIVE POWER
0
| |
| 8 |
SHARED DISPOSITIVE POWER
5,369,664
|
| 9 |
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,369,664
|
| 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
10.3%
|
| 12 |
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN
|
| Item 1(a). | Name of Issuer: |
GH Research PLC (the “Issuer”)
| Item 1(b). | Address of Issuer’s Principal Executive Offices: |
Joshua Dawson House, Dawson Street, Dublin 2, D02 RY95, Ireland
| Item 2(a). | Names of Persons Filing: |
The names of the persons filing this report (collectively, the “Reporting Persons”) are:
RA Capital Management, L.P. (“RA Capital”)
Peter Kolchinsky
Rajeev Shah
RA Capital Healthcare Fund, L.P. (the “Fund”)
| Item 2(b). | Address of Principal Business Office or, if None, Residence: |
The address of the principal business office of each of the Reporting Persons is:
c/o RA Capital Management, L.P., 200 Berkeley Street, 18th Floor, Boston MA 02116
| Item 2(c). | Citizenship: |
RA Capital and the Fund are Delaware limited partnerships. Dr. Kolchinsky and Mr. Shah are United States citizens.
| Item 2(d). | Title of Class of Securities: |
Ordinary Shares, Nominal value of $ 0.025 per share (“Ordinary Shares”)
| Item 2(e). | CUSIP Number: |
| G3855L106 |
| 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: |
Not applicable.
| Item 4. | Ownership. |
The information required by this item with respect to each Reporting Person is set forth in Rows 5 through 9 and 11 of the cover pages to this Schedule 13G/A. The ownership percentages reported are based on 52,020,849 outstanding Ordinary Shares, as reported in the Issuer’s Form 6-K, as filed with the Securities and Exchange Commission on November 9, 2023.
The Fund directly holds 5,369,664 Ordinary Shares. RA Capital Nexus Fund II, L.P. (the “Nexus Fund II”) directly holds 217,669 Ordinary Shares.
RA Capital Healthcare Fund GP, LLC is the general partner of the Fund and RA Capital Nexus Fund II GP, LLC is the general partner of the Nexus Fund II. The general partner of RA Capital is RA Capital Management GP, LLC, of which Dr. Kolchinsky and Mr. Shah are the controlling persons. RA Capital serves as investment adviser for the Fund and the Nexus Fund II and may be deemed a beneficial owner, for purposes of Section 13(d) of the Securities Exchange Act of 1934 (the “Act”), of any securities of the Issuer held by the Fund and the Nexus Fund II. The Fund and the Nexus Fund II have delegated to RA Capital the sole power to vote and the sole power to dispose of all securities held in the Fund’s and the Nexus Fund II’s portfolios, including the Issuer's Ordinary Shares reported herein. Because the Fund and the Nexus Fund II have divested themselves of voting and investment power over the reported securities they hold and may not revoke that delegation on less than 61 days’ notice, the Fund and the Nexus Fund II disclaim beneficial ownership of the securities they hold for purposes of Section 13(d) of the Act and therefore disclaim any obligation to report ownership of the reported securities under Section 13(d) of the Act. As managers of RA Capital, Dr. Kolchinsky and Mr. Shah may be deemed beneficial owners, for purposes of Section 13(d) of the Act, of any securities of the Issuer beneficially owned by RA Capital. RA Capital, Dr. Kolchinsky, and Mr. Shah disclaim beneficial ownership of the securities reported in this Schedule 13G/A other than for the purpose of determining their obligations under Section 13(d) of the Act, and the filing of this Schedule 13G/A shall not be deemed an admission that either RA Capital, Dr. Kolchinsky, or Mr. Shah is the beneficial owner of such securities for any other purpose.
| Item 5. | Ownership of Five Percent or Less of a Class. |
If this statement is being filed to report the fact that as of the date hereof the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following ¨.
| Item 6. | Ownership of More than Five 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. |
Not applicable.
| Item 8. | Identification and Classification of Members of the Group. |
Not applicable.
| Item 9. | Notice of Dissolution of Group. |
Not applicable.
| Item 10. | Certification. |
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.
Exhibit List
Exhibit 1: Joint Filing Agreement
SIGNATURE
After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.
| Date: | February 14, 2024 | ||
| RA CAPITAL MANAGEMENT, L.P. | |||
| By: | /s/ Peter Kolchinsky | ||
| Name: | Peter Kolchinsky | ||
| Title: | Authorized Signatory | ||
| PETER KOLCHINSKY | |||
| /s/ Peter Kolchinsky | |||
| RAJEEV SHAH | |||
| /s/ Rajeev Shah | |||
| RA CAPITAL HEALTHCARE FUND, L.P. | |||
| By: | RA Capital Healthcare Fund GP, LLC | ||
| Its: | General Partner | ||
| By: | /s/ Peter Kolchinsky | ||
| Name: | Peter Kolchinsky | ||
| Title: | Manager | ||