CalciMedica (CALC) SC 13G/A GRAYBUG VISION / Blackstone Holdings I/II GP L.L.C. ownership change

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 1)*

Graybug Vision, Inc.

(Name of Issuer)

Common Stock, par value $0.0001 per share

(Title of Class of Securities)

38942Q103

(CUSIP Number)

December 31, 2021

(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 disclosures provided in a prior cover page.

The information required on 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).

13G

CUSIP No. 38942Q103

1.	Name of Reporting Persons:   Clarus Lifesciences III, L.P.
2.	Check the Appropriate Box if a Member of a Group   (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:   0
	7.	Sole Dispositive Power:   0
	8.	Shared Dispositive Power:   0

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:   0
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

2

13G

CUSIP No. 38942Q103

1.	Name of Reporting Persons:   Clarus Ventures III GP, L.P.
2.	Check the Appropriate Box if a Member of a Group   (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:   0
	7.	Sole Dispositive Power:   0
	8.	Shared Dispositive Power:   0

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:   0
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

3

13G

CUSIP No. 38942Q103

1.	Name of Reporting Persons:   Blackstone Clarus III L.L.C.
2.	Check the Appropriate Box if a Member of a Group   (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:   0
	7.	Sole Dispositive Power:   0
	8.	Shared Dispositive Power:   0

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:   0
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

4

13G

CUSIP No. 38942Q103

1.	Name of Reporting Persons:   Blackstone Holdings II L.P.
2.	Check the Appropriate Box if a Member of a Group   (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:   0
	7.	Sole Dispositive Power:   0
	8.	Shared Dispositive Power:   0

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:   0
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

5

13G

CUSIP No. 38942Q103

1.	Name of Reporting Persons:   Blackstone Holdings I/II GP L.L.C.
2.	Check the Appropriate Box if a Member of a Group   (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:   0
	7.	Sole Dispositive Power:   0
	8.	Shared Dispositive Power:   0

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:   0
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

6

13G

CUSIP No. 38942Q103

1.	Name of Reporting Persons:   Blackstone Inc.
2.	Check the Appropriate Box if a Member of a Group   (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:   0
	7.	Sole Dispositive Power:   0
	8.	Shared Dispositive Power:   0

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:   0
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):   CO

7

13G

CUSIP No. 38942Q103

1.	Name of Reporting Persons:   Blackstone Group Management L.L.C.
2.	Check the Appropriate Box if a Member of a Group   (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:   0
	7.	Sole Dispositive Power:   0
	8.	Shared Dispositive Power:   0

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:   0
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

8

13G

CUSIP No. 38942Q103

1.	Name of Reporting Persons:   Stephen A. Schwarzman
2.	Check the Appropriate Box if a Member of a Group   (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
	6.	Shared Voting Power:   0
	7.	Sole Dispositive Power:   0
	8.	Shared Dispositive Power:   0

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:   0
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

9

Item 1 (a). Name of Issuer

Graybug Vision, Inc. (the “Issuer”)

Item 1 (b). Address of Issuer’s Principal Executive Offices:

275 Shoreline Drive, Suite 450

Redwood City, CA 94065

Item 2 (a). Name of Person Filing

Item 2 (b). Address of Principal Business Office

Item 2 (c). Citizenship

Each of the following is hereinafter individually referred to as a “Reporting Person” and collectively as the “Reporting Persons.” This statement is filed on behalf of:

(i) Clarus Lifesciences III, L.P.

c/o Clarus Ventures

101 Main Street, Suite 1210

Cambridge, MA 02142

Citizenship: State of Delaware

(ii) Clarus Ventures III GP, L.P.

c/o Clarus Ventures

101 Main Street, Suite 1210

Cambridge, MA 02142

Citizenship: State of Delaware

(iii) Blackstone Clarus III L.L.C..

c/o Blackstone Inc.

345 Park Avenue

New York, NY 10154

Citizenship: State of Delaware

(iv) Blackstone Holdings II L.P.

c/o Blackstone Inc.

345 Park Avenue

New York, NY 10154

Citizenship: State of Delaware

(v) Blackstone Holdings I/II GP L.L.C.

c/o Blackstone Inc.

345 Park Avenue

New York, NY 10154

Citizenship: State of Delaware

(vi) Blackstone Inc.

345 Park Avenue

New York, NY 10154

Citizenship: State of Delaware

(vii) Blackstone Group Management L.L.C.

c/o Blackstone Inc.

345 Park Avenue

New York, NY 10154

Citizenship: State of Delaware

10

(viii) Stephen A. Schwarzman

c/o Blackstone Inc.

345 Park Avenue

New York, NY 10154

Citizenship: United States

Clarus Ventures III GP, L.P. is the general partner of Clarus Lifesciences III, L.P. Blackstone Clarus III L.L.C. is the general partner of Clarus Ventures III GP, L.P. The sole member of Blackstone Clarus III L.L.C. is Blackstone Holdings II L.P. The general partner of Blackstone Holdings II L.P. is Blackstone Holdings I/II GP L.L.C. The sole member of Blackstone Holdings I/II GP L.L.C. is Blackstone Inc. The sole holder of the Series II preferred stock of Blackstone Inc.is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone’s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

The filing of this statement should not be construed to be an admission that any member of the Reporting Persons are members of a “group” for the purposes of Sections 13(d) and 13(g) of the Act.

Item 2 (d). Title of Class of Securities:

Common Stock, par value $0.0001 per share (the “Common Stock”).

Item 2 (e). CUSIP Number:

38942Q103

Item 3. If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:

Not applicable.

Item 4. Ownership.

(a) Amount beneficially owned:

See Item 9 of each cover page.

(b) Percent of class:

See Item 11 of each cover page.

(c) Number of Shares as to which the Reporting Person has:

(i) Sole power to vote or to direct the vote:

See each cover page hereof.

(ii) Shared power to vote or to direct the vote:

See each cover page hereof.

(iii) Sole power to dispose or to direct the disposition of:

See each cover page hereof.

(iv) Shared power to dispose or to direct the disposition of:

See each cover page hereof.

11

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:  ☒

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.

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.

Not applicable.

12

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 11, 2022

CLARUS LIFESCIENCES III, L.P.
By:	Clarus Ventures III GP, L.P., its general partner
By:	Blackstone Clarus III, L.L.C., its general Partner
By:	/s/ Omar Rehman
Name:	Omar Rehman
Title:	Chief Compliance Officer and Secretary
CLARUS VENTURES III GP, L.P.
By:	Blackstone Clarus III, L.L.C., its general partner
By:	/s/ Omar Rehman
Name:	Omar Rehman
Title:	Chief Compliance Officer and Secretary
BLACKSTONE CLARUS III L.L.C.
By:	/s/ Omar Rehman
Name:	Omar Rehman
Title:	Chief Compliance Officer and Secretary
BLACKSTONE HOLDINGS II L.P.
By:	Blackstone Holdings I/II GP L.L.C., its general partner
By:	/s/ Tabea Hsi
Name:	Tabea Hsi
Title:	Senior Managing Director

BLACKSTONE HOLDINGS I/II GP L.L.C.
By:	/s/ Tabea Hsi
Name:	Tabea Hsi
Title:	Senior Managing Director
BLACKSTONE INC.
By:	/s/ Tabea Hsi
Name:	Tabea Hsi
Title:	Senior Managing Director
BLACKSTONE GROUP MANAGEMENT L.L.C.
By:	/s/ Tabea Hsi
Name:	Tabea Hsi
Title:	Senior Managing Director
/s/ Stephen A. Schwarzman
Stephen A. Schwarzman