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Filing Details

Accession Number:: 0001104659-24-024209
Form Type:: 13G Filing
Publication Date:: 2024-02-13 19:00:00

Filed By:: Venrock Healthcare Capital Partners Ii, L.p.
Company:: Gh Research Plc
Filing Date:: 2024-02-14
SEC Url:: 13G Filing

Ownership Summary

Please notice the below summary table is generated without human intervention and may contain errors. Please refer to the complete filing displayed below for exact figures.

Name	Shared Voting Power	Shared Dispositive Power	Aggregate Amount Owned Power	Percent of Class
Venrock Healthcare Capital Partners II	1,318,327	1,318,327	1,318,327	2.5%
VHCP Co-Investment Holdings II	1,318,327	1,318,327	1,318,327	2.5%
Venrock Healthcare Capital Partners III	1,318,327	1,318,327	1,318,327	2.5%
VHCP Co-Investment Holdings III	1,318,327	1,318,327	1,318,327	2.5%
Venrock Healthcare Capital Partners EG	1,318,327	1,318,327	1,318,327	2.5%
VHCP Management II	1,318,327	1,318,327	1,318,327	2.5%
VHCP Management III	1,318,327	1,318,327	1,318,327	2.5%
VHCP Management EG	1,318,327	1,318,327	1,318,327	2.5%
Shah, Nimish	1,318,327	1,318,327	1,318,327	2.5%
Koh, Bong	1,318,327	1,318,327	1,318,327	2.5%

Filing

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13G/A

UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 2)*

GH Research PLC

(Name of Issuer)

Ordinary shares, nominal value $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)

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

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1.	Name of reporting persons Venrock Healthcare Capital Partners II, L.P.
2.	Check the Appropriate Box if a Member of a Group (See Instructions) (a) x¹(b) ¨
3.	SEC USE ONLY
4.	Citizenship or Place of Organization Delaware

Number of

Beneficially

Owned by

Each

Reporting

Person

With:

Sole Voting Power

Shared Voting Power

1,318,327²

Sole Dispositive Power

Shared Dispositive Power

1,318,327²

9.	Aggregate Amount Beneficially Owned by Each Reporting Person 1,318,327²
10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
11.	Percent of Class Represented by Amount in Row (9) 2.5%³
12.	Type of Reporting Person (See Instructions) PN

Venrock Healthcare Capital Partners II, L.P., VHCP Co-Investment Holdings II, LLC, Venrock Healthcare Capital Partners III, L.P., VHCP Co-Investment Holdings III, LLC, Venrock Healthcare Capital Partners EG, L.P., VHCP Management II, LLC, VHCP Management III, LLC, VHCP Management EG, LLC, Nimish Shah and Bong Koh are members of a group for the purposes of this Schedule 13G/A.

3	This percentage is calculated based upon 52,020,849 ordinary shares outstanding as of December 31, 2022, as reported in Exhibit 99.2 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on July 19, 2023.

CUSIP No. G3855L106

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1.	Name of reporting persons VHCP Co-Investment Holdings II, LLC
2.	Check the Appropriate Box if a Member of a Group (See Instructions) (a) x¹ (b) ¨
3.	SEC USE ONLY
4.	Citizenship or Place of Organization Delaware

Number of

Beneficially

Owned by

Each

Reporting

Person

With:

Sole Voting Power

Shared Voting Power

1,318,327²

Sole Dispositive Power

Shared Dispositive Power

1,318,327²

9.	Aggregate Amount Beneficially Owned by Each Reporting Person 1,318,327²
10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
11.	Percent of Class Represented by Amount in Row (9) 2.5%³
12.	Type of Reporting Person (See Instructions) OO

3	This percentage is calculated based upon 52,020,849 ordinary shares outstanding as of December 31, 2022, as reported in Exhibit 99.2 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on July 19, 2023.

CUSIP No. G3855L106

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1.	Name of reporting persons Venrock Healthcare Capital Partners III, L.P.
2.	Check the Appropriate Box if a Member of a Group (See Instructions) (a) x¹ (b) ¨
3.	SEC USE ONLY
4.	Citizenship or Place of Organization Delaware

Number of

Beneficially

Owned by

Each

Reporting

Person

With:

Sole Voting Power

Shared Voting Power

1,318,327²

Sole Dispositive Power

Shared Dispositive Power

1,318,327²

9.	Aggregate Amount Beneficially Owned by Each Reporting Person 1,318,327²
10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
11.	Percent of Class Represented by Amount in Row (9) 2.5%³
12.	Type of Reporting Person (See Instructions) PN

3	This percentage is calculated based upon 52,020,849 ordinary shares outstanding as of December 31, 2022, as reported in Exhibit 99.2 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on July 19, 2023.

CUSIP No. G3855L106

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1.	Name of reporting persons VHCP Co-Investment Holdings III, LLC
2.	Check the Appropriate Box if a Member of a Group (See Instructions) (a) x¹ (b) ¨
3.	SEC USE ONLY
4.	Citizenship or Place of Organization Delaware

Number of

Beneficially

Owned by

Each

Reporting

Person

With:

Sole Voting Power

Shared Voting Power

1,318,327²

Sole Dispositive Power

Shared Dispositive Power

1,318,327²

9.	Aggregate Amount Beneficially Owned by Each Reporting Person 1,318,327²
10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
11.	Percent of Class Represented by Amount in Row (9) 2.5%³
12.	Type of Reporting Person (See Instructions) OO

3	This percentage is calculated based upon 52,020,849 ordinary shares outstanding as of December 31, 2022, as reported in Exhibit 99.2 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on July 19, 2023.

CUSIP No. G3855L106

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1.	Name of reporting persons Venrock Healthcare Capital Partners EG, L.P.
2.	Check the Appropriate Box if a Member of a Group (See Instructions) (a) x¹ (b) ¨
3.	SEC USE ONLY
4.	Citizenship or Place of Organization Delaware

Number of

Beneficially

Owned by

Each

Reporting

Person

With:

Sole Voting Power

Shared Voting Power

1,318,327²

Sole Dispositive Power

Shared Dispositive Power

1,318,327²

9.	Aggregate Amount Beneficially Owned by Each Reporting Person 1,318,327²
10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
11.	Percent of Class Represented by Amount in Row (9) 2.5%³
12.	Type of Reporting Person (See Instructions) PN

3	This percentage is calculated based upon 52,020,849 ordinary shares outstanding as of December 31, 2022, as reported in Exhibit 99.2 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on July 19, 2023.

CUSIP No. G3855L106

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1.	Name of reporting persons VHCP Management II, LLC
2.	Check the Appropriate Box if a Member of a Group (See Instructions) (a) x¹ (b) ¨
3.	SEC USE ONLY
4.	Citizenship or Place of Organization Delaware

Number of

Beneficially

Owned by

Each

Reporting

Person

With:

Sole Voting Power

Shared Voting Power

1,318,327²

Sole Dispositive Power

Shared Dispositive Power

1,318,327²

9.	Aggregate Amount Beneficially Owned by Each Reporting Person 1,318,327²
10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
11.	Percent of Class Represented by Amount in Row (9) 2.5%³
12.	Type of Reporting Person (See Instructions) OO

3	This percentage is calculated based upon 52,020,849 ordinary shares outstanding as of December 31, 2022, as reported in Exhibit 99.2 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on July 19, 2023.

CUSIP No. G3855L106

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1.	Name of reporting persons VHCP Management III, LLC
2.	Check the Appropriate Box if a Member of a Group (See Instructions) (a) x¹ (b) ¨
3.	SEC USE ONLY
4.	Citizenship or Place of Organization Delaware

Number of

Beneficially

Owned by

Each

Reporting

Person

With:

Sole Voting Power

Shared Voting Power

1,318,327²

Sole Dispositive Power

Shared Dispositive Power

1,318,327²

9.	Aggregate Amount Beneficially Owned by Each Reporting Person 1,318,327²
10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
11.	Percent of Class Represented by Amount in Row (9) 2.5%³
12.	Type of Reporting Person (See Instructions) OO

3	This percentage is calculated based upon 52,020,849 ordinary shares outstanding as of December 31, 2022, as reported in Exhibit 99.2 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on July 19, 2023.

CUSIP No. G3855L106

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1.	Name of reporting persons VHCP Management EG, LLC
2.	Check the Appropriate Box if a Member of a Group (See Instructions) (a) x¹ (b) ¨
3.	SEC USE ONLY
4.	Citizenship or Place of Organization Delaware

Number of

Beneficially

Owned by

Each

Reporting

Person

With:

Sole Voting Power

Shared Voting Power

1,318,327²

Sole Dispositive Power

Shared Dispositive Power

1,318,327²

9.	Aggregate Amount Beneficially Owned by Each Reporting Person 1,318,327²
10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
11.	Percent of Class Represented by Amount in Row (9) 2.5%³
12.	Type of Reporting Person (See Instructions) OO

3	This percentage is calculated based upon 52,020,849 ordinary shares outstanding as of December 31, 2022, as reported in Exhibit 99.2 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on July 19, 2023.

CUSIP No. G3855L106

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1.	Name of Reporting Persons Shah, Nimish
2.	Check the Appropriate Box if a Member of a Group (See Instructions) (a) x¹ (b) ¨
3.	SEC USE ONLY
4.	Citizenship or Place of Organization United States

Number of

Beneficially

Owned by

Each

Reporting

Person

With:

Sole Voting Power

Shared Voting Power

1,318,327²

Sole Dispositive Power

Shared Dispositive Power

1,318,327²

9.	Aggregate Amount Beneficially Owned by Each Reporting Person 1,318,327²
10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
11.	Percent of Class Represented by Amount in Row (9) 2.5%³
12.	Type of Reporting Person (See Instructions) IN

3	This percentage is calculated based upon 52,020,849 ordinary shares outstanding as of December 31, 2022, as reported in Exhibit 99.2 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on July 19, 2023.

CUSIP No. G3855L106

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1.	Name of Reporting Persons Koh, Bong
2.	Check the Appropriate Box if a Member of a Group (See Instructions) (a) x¹ (b) ¨
3.	SEC USE ONLY
4.	Citizenship or Place of Organization United States

Number of

Beneficially

Owned by

Each

Reporting

Person

With:

Sole Voting Power

Shared Voting Power

1,318,327²

Sole Dispositive Power

Shared Dispositive Power

1,318,327²

9.	Aggregate Amount Beneficially Owned by Each Reporting Person 1,318,327²
10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) ¨
11.	Percent of Class Represented by Amount in Row (9) 2.5%³
12.	Type of Reporting Person (See Instructions) IN

3	This percentage is calculated based upon 52,020,849 ordinary shares outstanding as of December 31, 2022, as reported in Exhibit 99.2 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on July 19, 2023.

CUSIP No. G3855L106

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Introductory Note: This Schedule 13G/A is filed on behalf of Venrock Healthcare Capital Partners II, L.P., a limited partnership organized under the laws of the State of Delaware (“VHCP II LP”), VHCP Co-Investment Holdings II, LLC, a limited liability company organized under the laws of the State of Delaware (“VHCP Co-Investment II”), Venrock Healthcare Capital Partners III, L.P., a limited partnership organized under the laws of the State of Delaware (“VHCP III LP”), VHCP Co-Investment Holdings III, LLC, a limited liability company organized under the laws of the State of Delaware (“VHCP Co-Investment III”), Venrock Healthcare Capital Partners EG, L.P., a limited partnership organized under the laws of the State of Delaware (“VHCP EG”), VHCP Management II, LLC, a limited liability company organized under the laws of the State of Delaware (“VHCP Management II”), VHCP Management III, LLC, a limited liability company organized under the laws of the State of Delaware (“VHCP Management III”), VHCP Management EG, LLC, a limited liability company organized under the laws of the State of Delaware (“VHCP Management EG” and collectively with VHCP II LP, VHCP Co-Investment II, VHCP III LP, VHCP Co-Investment III, VHCP EG, VHCP Management II and VHCP Management III, the “Venrock Entities”), Nimish Shah (“Shah”) and Bong Koh (“Koh”) in respect of Ordinary Shares of GH Research PLC.

Item 1.

(a)

Name of Issuer

GH Research PLC

(b)

Address of Issuer’s Principal Executive Offices

Joshua Dawson House

Dawson Street

Dublin 2

D02 RY95

Ireland

Item 2.

(a)

Name of Person Filing

Venrock Healthcare Capital Partners II, L.P.

VHCP Co-Investment Holdings II, LLC

Venrock Healthcare Capital Partners III, L.P.

VHCP Co-Investment Holdings III, LLC

Venrock Healthcare Capital Partners EG, L.P.

VHCP Management II, LLC

VHCP Management III, LLC

VHCP Management EG, LLC

Nimish Shah

Bong Koh

(b)

Address of Principal Business Office or, if none, Residence

	New York Office:	Palo Alto Office:

	7 Bryant Park	3340 Hillview Avenue
	23rd Floor	Palo Alto, CA 94304
	New York, NY 10018

(c)

Citizenship

All of the Venrock Entities were organized in Delaware. The individuals are both United States citizens.

CUSIP No. G3855L106

Page 13 of 17

(d)

Title of Class of Securities

Ordinary shares, nominal value $0.025 per share

(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

(a)

Amount Beneficially Owned as of December 31, 2023:

Venrock Healthcare Capital Partners II, L.P.	1,318,327	(1)
VHCP Co-Investment Holdings II, LLC	1,318,327	(1)
Venrock Healthcare Capital Partners III, L.P.	1,318,327	(1)
VHCP Co-Investment Holdings III, LLC	1,318,327	(1)
Venrock Healthcare Capital Partners EG, L.P.	1,318,327	(1)
VHCP Management II, LLC	1,318,327	(1)
VHCP Management III, LLC	1,318,327	(1)
VHCP Management EG, LLC	1,318,327	(1)
Nimish Shah	1,318,327	(1)
Bong Koh	1,318,327	(1)

(b)

Percent of Class as of December 31, 2023:

Venrock Healthcare Capital Partners II, L.P.	2.5	%
VHCP Co-Investment Holdings II, LLC	2.5	%
Venrock Healthcare Capital Partners III, L.P.	2.5	%
VHCP Co-Investment Holdings III, LLC	2.5	%
Venrock Healthcare Capital Partners EG, L.P.	2.5	%
VHCP Management II, LLC	2.5	%
VHCP Management III, LLC	2.5	%
VHCP Management EG, LLC	2.5	%
Nimish Shah	2.5	%
Bong Koh	2.5	%

(c)

Number of shares as to which the person has, as of December 31, 2023:

(i)

Sole power to vote or to direct the vote

Venrock Healthcare Capital Partners II, L.P.		0
VHCP Co-Investment Holdings II, LLC		0
Venrock Healthcare Capital Partners III, L.P.		0
VHCP Co-Investment Holdings III, LLC		0
Venrock Healthcare Capital Partners EG, L.P.		0
VHCP Management II, LLC		0
VHCP Management III, LLC		0
VHCP Management EG, LLC		0
Nimish Shah		0
Bong Koh		0

CUSIP No. G3855L106

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(ii)

Shared power to vote or to direct the vote

Venrock Healthcare Capital Partners II, L.P.	1,318,327	(1)
VHCP Co-Investment Holdings II, LLC	1,318,327	(1)
Venrock Healthcare Capital Partners III, L.P.	1,318,327	(1)
VHCP Co-Investment Holdings III, LLC	1,318,327	(1)
Venrock Healthcare Capital Partners EG, L.P.	1,318,327	(1)
VHCP Management II, LLC	1,318,327	(1)
VHCP Management III, LLC	1,318,327	(1)
VHCP Management EG, LLC	1,318,327	(1)
Nimish Shah	1,318,327	(1)
Bong Koh	1,318,327	(1)

(iii)

Sole power to dispose or to direct the disposition of

Venrock Healthcare Capital Partners II, L.P.		0
VHCP Co-Investment Holdings II, LLC		0
Venrock Healthcare Capital Partners III, L.P.		0
VHCP Co-Investment Holdings III, LLC		0
Venrock Healthcare Capital Partners EG, L.P.		0
VHCP Management II, LLC		0
VHCP Management III, LLC		0
VHCP Management EG, LLC		0
Nimish Shah		0
Bong Koh		0

(iv)

Shared power to dispose or to direct the disposition of

Venrock Healthcare Capital Partners II, L.P.	1,318,327	(1)
VHCP Co-Investment Holdings II, LLC	1,318,327	(1)
Venrock Healthcare Capital Partners III, L.P.	1,318,327	(1)
VHCP Co-Investment Holdings III, LLC	1,318,327	(1)
Venrock Healthcare Capital Partners EG, L.P.	1,318,327	(1)
VHCP Management II, LLC	1,318,327	(1)
VHCP Management III, LLC	1,318,327	(1)
VHCP Management EG, LLC	1,318,327	(1)
Nimish Shah	1,318,327	(1)
Bong Koh	1,318,327	(1)

(1)

Consists of (i) 135,837 shares held by Venrock Healthcare Capital Partners II, L.P., (ii) 55,036 shares held by VHCP Co-Investment Holdings II, LLC, (iii) 332,699 shares held by Venrock Healthcare Capital Partners III, L.P., (iv) 33,280 shares held by VHCP Co-Investment Holdings III, LLC and (v) 761,475 shares held by Venrock Healthcare Capital Partners EG, L.P. VHCP Management II, LLC is the general partner of Venrock Healthcare Capital Partners II, L.P. and the manager of VHCP Co-Investment Holdings II, LLC. VHCP Management III, LLC is the general partner of Venrock Healthcare Capital Partners III, L.P. and the manager of VHCP Co-Investment Holdings III, LLC. VHCP Management EG, LLC is the general partner of Venrock Healthcare Capital Partners EG, L.P. Messrs. Shah and Koh are the voting members of VHCP Management II, LLC, VHCP Management III, LLC and VHCP Management EG, LLC.

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 person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following ⌧.

CUSIP No. G3855L106

Page 15 of 17

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 a 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.

CUSIP No. G3855L106

Page 16 of 17

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.

Dated: February 14, 2024

Venrock Healthcare Capital Partners II, L.P.			Venrock Healthcare Capital Partners III, L.P.

By:	VHCP Management II, LLC		By:	VHCP Management III, LLC
Its:	General Partner		Its:	General Partner

By:	/s/ Sherman G. Souther		By:	/s/ Sherman G. Souther
	Name:	Sherman G. Souther		Name:	Sherman G. Souther
	Its:	Authorized Signatory		Its:	Authorized Signatory

VHCP Co-Investment Holdings II, LLC			VHCP Co-Investment Holdings III, LLC

By:	VHCP Management II, LLC		By:	VHCP Management III, LLC
Its:	Manager		Its:	Manager

By:	/s/ Sherman G. Souther		By:	/s/ Sherman G. Souther
	Name:	Sherman G. Souther		Name:	Sherman G. Souther
	Its:	Authorized Signatory		Its:	Authorized Signatory

VHCP Management II, LLC			VHCP Management III, LLC

By:	/s/ Sherman G. Souther		By:	/s/ Sherman G. Souther
	Name:	Sherman G. Souther		Name:	Sherman G. Souther
	Its:	Authorized Signatory		Its:	Authorized Signatory

Venrock Healthcare Capital Partners EG, L.P.			VHCP Management EG, LLC

By:	VHCP Management EG, LLC		/s/ Sherman G. Souther
Its:	General Partner		Name:	Sherman G. Souther
			Its:	Authorized Signatory
/s/ Sherman G. Souther
Name:	Sherman G. Souther
Its:	Authorized Signatory

Bong Koh

/s/ Sherman G. Souther
Sherman G. Souther, Attorney-in-fact

Nimish Shah

/s/ Sherman G. Souther

Sherman G. Souther, Attorney-in-fact

CUSIP No. G3855L106

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EXHIBITS

Joint Filing Agreement (incorporated by reference to Exhibit A to the Schedule 13G filed with the Securities and Exchange Commission on May 27, 2022)

Power of Attorney for Nimish Shah (incorporated by reference to Exhibit B to the Schedule 13G filed with the Securities and Exchange Commission on May 27, 2022)

Power of Attorney for Bong Koh (incorporated by reference to Exhibit C to the Schedule 13G filed with the Securities and Exchange Commission on May 27, 2022)