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CalciMedica, Inc. Major Shareholding Notification 2021

Oct 19, 2021

34649_mrq_2021-10-19_324e0c3a-024a-489d-a395-f77c12e7a77f.zip

Major Shareholding Notification

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SC 13G 1 tm2130109d1_sc13g.htm SCHEDULE 13G

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. ) *

GRAYBUG VISION, INC.

(Name of Issuer)

Common Stock, par value $0.0001 per share

(Title of Class of Securities)

38942Q103

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(CUSIP Number)

December 31 , 2020

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(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)

x 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, as amended (the "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).

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 2 of 23 Pages

1 NAMES OF REPORTING PERSONS
AffaMed
Project Limited
2 CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) o (b) o
3 SEC
USE ONLY
4 CITIZENSHIP
OR PLACE OF ORGANIZATION
British
Virgin Islands
NUMBER
OF 5 SOLE
VOTING POWER
SHARES -0-
BENEFICIALLY 6 SHARED
VOTING POWER
OWNED
BY 1,383,596
EACH REPORTING 7 SOLE
DISPOSITIVE POWER
PERSON -0-
WITH 8 SHARED
DISPOSITIVE POWER
1,383,596
9 AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,383,596
10 CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) ¨
11 PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
6.6%
12 TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS)
CO

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 3 of 23 Pages

| 1 | NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE
PERSONS (ENTITIES ONLY) | |
| --- | --- | --- |
| | Affamed
Therapeutics Limited | |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | (a) o (b) o |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION | |
| | cayman
islands | |
| NUMBER
OF | 5 | SOLE
VOTING POWER |
| SHARES | | -0- |
| BENEFICIALLY | 6 | SHARED
VOTING POWER |
| OWNED
BY | | 1,383,596 |
| EACH REPORTING | 7 | SOLE
DISPOSITIVE POWER |
| PERSON | | -0- |
| WITH | 8 | SHARED
DISPOSITIVE POWER |
| | | 1,383,596 |
| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,383,596 | |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | |
| | 6.6% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | CO | |

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 4 of 23 Pages

| 1 | NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE
PERSONS (ENTITIES ONLY) | |
| --- | --- | --- |
| | C-Bridge
IV Investment Three Group Limited | |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | (a) o (b) o |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION | |
| | British
Virgin Islands | |
| NUMBER
OF | 5 | SOLE
VOTING POWER |
| SHARES | | -0- |
| BENEFICIALLY | 6 | SHARED
VOTING POWER |
| OWNED
BY | | 1,383,596 |
| EACH REPORTING | 7 | SOLE
DISPOSITIVE POWER |
| PERSON | | -0- |
| WITH | 8 | SHARED
DISPOSITIVE POWER |
| | | 1,383,596 |
| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,383,596 | |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | |
| | 6.6% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | CO | |

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 5 of 23 Pages

| 1 | NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE
PERSONS (ENTITIES ONLY) | |
| --- | --- | --- |
| | C-Bridge
IV Investment Six Limited | |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | (a) o (b) o |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION | |
| | British
Virgin islands | |
| NUMBER
OF | 5 | SOLE
VOTING POWER |
| SHARES | | -0- |
| BENEFICIALLY | 6 | SHARED
VOTING POWER |
| OWNED
BY | | 1,383,596 |
| EACH REPORTING | 7 | SOLE
DISPOSITIVE POWER |
| PERSON | | -0- |
| WITH | 8 | SHARED
DISPOSITIVE POWER |
| | | 1,383,596 |
| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,383,596 | |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | |
| | 6.6% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | CO | |

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 6 of 23 Pages

| 1 | NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE
PERSONS (ENTITIES ONLY) | |
| --- | --- | --- |
| | C-Bridge
IV Investment Twenty Limited | |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | (a) o (b) o |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION | |
| | British
Virgin islands | |
| NUMBER
OF | 5 | SOLE
VOTING POWER |
| SHARES | | -0- |
| BENEFICIALLY | 6 | SHARED
VOTING POWER |
| OWNED
BY | | 1,383,596 |
| EACH REPORTING | 7 | SOLE
DISPOSITIVE POWER |
| PERSON | | -0- |
| WITH | 8 | SHARED
DISPOSITIVE POWER |
| | | 1,383,596 |
| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,383,596 | |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | |
| | 6.6% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | CO | |

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 7 of 23 Pages

| 1 | NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE
PERSONS (ENTITIES ONLY) | |
| --- | --- | --- |
| | Affamed
Management Limited | |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | (a) o (b) o |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION | |
| | British
Virgin islands | |
| NUMBER
OF | 5 | SOLE
VOTING POWER |
| SHARES | | -0- |
| BENEFICIALLY | 6 | SHARED
VOTING POWER |
| OWNED
BY | | 1,383,596 |
| EACH REPORTING | 7 | SOLE
DISPOSITIVE POWER |
| PERSON | | -0- |
| WITH | 8 | SHARED
DISPOSITIVE POWER |
| | | 1,383,596 |
| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,383,596 | |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | |
| | 6.6% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | CO | |

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 8 of 23 Pages

| 1 | NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE
PERSONS (ENTITIES ONLY) | |
| --- | --- | --- |
| | C-Bridge
Healthcare Fund IV, L.P. | |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | (a) o (b) o |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION | |
| | cayman
islands | |
| NUMBER
OF | 5 | SOLE
VOTING POWER |
| SHARES | | -0- |
| BENEFICIALLY | 6 | SHARED
VOTING POWER |
| OWNED
BY | | 1,383,596 |
| EACH REPORTING | 7 | SOLE
DISPOSITIVE POWER |
| PERSON | | -0- |
| WITH | 8 | SHARED
DISPOSITIVE POWER |
| | | 1,383,596 |
| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,383,596 | |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | |
| | 6.6% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | PN | |

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 9 of 23 Pages

| 1 | NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE
PERSONS (ENTITIES ONLY) | |
| --- | --- | --- |
| | C-Bridge
Healthcare Fund GP IV, L.P. | |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | (a) o (b) o |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION | |
| | cayman
islands | |
| NUMBER
OF | 5 | SOLE
VOTING POWER |
| SHARES | | -0- |
| BENEFICIALLY | 6 | SHARED
VOTING POWER |
| OWNED
BY | | 1,383,596 |
| EACH REPORTING | 7 | SOLE
DISPOSITIVE POWER |
| PERSON | | -0- |
| WITH | 8 | SHARED
DISPOSITIVE POWER |
| | | 1,383,596 |
| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,383,596 | |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | |
| | 6.6% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | PN | |

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 10 of 23 Pages

| 1 | NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE
PERSONS (ENTITIES ONLY) | |
| --- | --- | --- |
| | C-Bridge
Capital GP IV, Ltd. | |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | (a) o (b) o |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION | |
| | cayman
islands | |
| NUMBER
OF | 5 | SOLE
VOTING POWER |
| SHARES | | -0- |
| BENEFICIALLY | 6 | SHARED
VOTING POWER |
| OWNED
BY | | 1,383,596 |
| EACH REPORTING | 7 | SOLE
DISPOSITIVE POWER |
| PERSON | | -0- |
| WITH | 8 | SHARED
DISPOSITIVE POWER |
| | | 1,383,596 |
| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,383,596 | |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | |
| | 6.6% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | CO | |

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 11 of 23 Pages

| 1 | NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE
PERSONS (ENTITIES ONLY) | |
| --- | --- | --- |
| | C-Bridge
Joint Value Creation Limited | |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | (a) o (b) o |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION | |
| | British
Virgin islands | |
| NUMBER
OF | 5 | SOLE
VOTING POWER |
| SHARES | | -0- |
| BENEFICIALLY | 6 | SHARED
VOTING POWER |
| OWNED
BY | | 1,383,596 |
| EACH REPORTING | 7 | SOLE
DISPOSITIVE POWER |
| PERSON | | -0- |
| WITH | 8 | SHARED
DISPOSITIVE POWER |
| | | 1,383,596 |
| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,383,596 | |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | |
| | 6.6% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | CO | |

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 12 of 23 Pages

| 1 | NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE
PERSONS (ENTITIES ONLY) | |
| --- | --- | --- |
| | TF
Capital IV, Ltd. | |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | (a) o (b) o |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION | |
| | cayman
islands | |
| NUMBER
OF | 5 | SOLE
VOTING POWER |
| SHARES | | -0- |
| BENEFICIALLY | 6 | SHARED
VOTING POWER |
| OWNED
BY | | 1,383,596 |
| EACH REPORTING | 7 | SOLE
DISPOSITIVE POWER |
| PERSON | | -0- |
| WITH | 8 | SHARED
DISPOSITIVE POWER |
| | | 1,383,596 |
| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,383,596 | |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | |
| | 6.6% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | CO | |

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 13 of 23 Pages

| 1 | NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE
PERSONS (ENTITIES ONLY) | |
| --- | --- | --- |
| | Nova
Aqua Limited | |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | (a) o (b) o |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION | |
| | British
Virgin islands | |
| NUMBER
OF | 5 | SOLE
VOTING POWER |
| SHARES | | -0- |
| BENEFICIALLY | 6 | SHARED
VOTING POWER |
| OWNED
BY | | 1,383,596 |
| EACH REPORTING | 7 | SOLE
DISPOSITIVE POWER |
| PERSON | | -0- |
| WITH | 8 | SHARED
DISPOSITIVE POWER |
| | | 1,383,596 |
| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,383,596 | |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | |
| | 6.6% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | CO | |

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 14 of 23 Pages

| 1 | NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE
PERSONS (ENTITIES ONLY) | |
| --- | --- | --- |
| | Wei
fu | |
| 2 | CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) | (a) o (b) o |
| 3 | SEC
USE ONLY | |
| 4 | CITIZENSHIP
OR PLACE OF ORGANIZATION | |
| | singapore | |
| NUMBER
OF | 5 | SOLE
VOTING POWER |
| SHARES | | -0- |
| BENEFICIALLY | 6 | SHARED
VOTING POWER |
| OWNED
BY | | 1,383,596 |
| EACH REPORTING | 7 | SOLE
DISPOSITIVE POWER |
| PERSON | | -0- |
| WITH | 8 | SHARED
DISPOSITIVE POWER |
| | | 1,383,596 |
| 9 | AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | |
| | 1,383,596 | |
| 10 | CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) | ¨ |
| 11 | PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | |
| | 6.6% | |
| 12 | TYPE
OF REPORTING PERSON (SEE INSTRUCTIONS) | |
| | IN | |

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Field: Split-Segment; Name: 02

SCHEDULE 13G

CUSIP No. 38942Q103 Page 15 of 23 Pages

Item 1.

(a) NAME OF ISSUER:

Graybug Vision, Inc.

(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

275 Shoreline Drive, Suite 450

Redwood City, CA 94065

Item 2.

(a) NAME OF PERSON FILING:

This Statement is being filed by and on behalf of AffaMed Project Limited, AffaMed Therapeutics Limited, C-Bridge IV Investment Three Group Limited, C-Bridge IV Investment Six Limited, C-Bridge IV Investment Twenty Limited, AffaMed Management Limited, C-Bridge Healthcare Fund IV, L.P., C-Bridge Healthcare Fund GP IV, L.P., C-Bridge Capital GP IV, Ltd., C-Bridge Joint Value Creation Limited, TF Capital IV, Ltd., Nova Aqua Limited and Mr. Wei Fu (collectively, the "Reporting Persons").

The shares reported herein are held directly by AffaMed Project Limited. AffaMed Project Limited is wholly owned by AffaMed Therapeutics Limited. AffaMed Therapeutics Limited is controlled by C-Bridge IV Investment Three Group Limited, C-Bridge IV Investment Six Limited, C-Bridge IV Investment Twenty Limited and AffaMed Management Limited. C-Bridge IV Investment Three Group Limited, C-Bridge IV Investment Six Limited, C-Bridge IV Investment Twenty Limited are each wholly owned by C-Bridge Healthcare Fund IV, L.P. C-Bridge Healthcare Fund GP IV, L.P. is the general partner of C-Bridge Healthcare Fund IV, L.P. C-Bridge Capital GP IV, Ltd. is the general partner of C-Bridge Healthcare Fund GP IV, L.P. C-Bridge Healthcare Fund GP IV, L.P. is controlled by TF Capital IV, Ltd. and Nova Aqua Limited. TF Capital IV, Ltd. is wholly owned by Nova Aqua Limited. AffaMed Management Limited is wholly owned by C-Bridge Joint Value Creation Limited. C-Bridge Joint Value Creation Limited is wholly owned by Nova Aqua Limited. Nova Aqua Limited is controlled by Mr. Wei Fu.

(b) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:

The business address of each of the Reporting Persons is Suite 3306-3307, Two Exchange Square, 8 Connaught Place, Central, Hong Kong.

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 16 of 23 Pages

(c) CITIZENSHIP:

AffaMed Project Limited is a British Virgin Islands corporation. AffaMed Therapeutics Limited is a Cayman Islands corporation. C-Bridge IV Investment Three Group Limited is a British Virgin Islands corporation. C-Bridge IV Investment Six Limited is a British Virgin Islands corporation. C-Bridge IV Investment Twenty Limited is a British Virgin Islands corporation. AffaMed Management Limited is a British Virgin Islands corporation. C-Bridge Healthcare Fund IV, L.P. is a Cayman Islands limited partnership. C-Bridge Healthcare Fund GP IV, L.P. is a Cayman Islands limited partnership. C-Bridge Capital GP IV, Ltd. is a British Virgin Islands corporation. C-Bridge Joint Value Creation Limited is a British Virgin Islands corporation. TF Capital IV, Ltd. is a Cayman Islands corporation. Nova Aqua Limited is a British Virgin Islands corporation. Mr. Wei Fu is a citizen of Singapore.

(d) TITLE OF CLASS OF SECURITIES:

Common Stock, par value $0.0001 per share.

(e) CUSIP NUMBER: 38942Q103

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:

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e) [ ] An investment advisor in accordance with §240.13d-1(b)(1)(ii)(E);
(f) [ ] An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);
(g) [ ] A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);
(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C.
1813);
(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the
Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j) [ ] A non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J);
(k) [ ] Group, in accordance with §240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance
with §240.13d-1(b)(1)(ii)(J), please specify the type of institution: ____

Not applicable.

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 17 of 23 Pages

ITEM 4. OWNERSHIP:

The percentages set forth in this Item 4 are based on there being 20,979,265 shares of Common Stock outstanding as of November 6, 2020 as disclosed in Graybug Vision, Inc.'s Form 10-Q filed on November 12, 2020 for the quarterly period ended September 30, 2020.

AffaMed Project Limited

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 18 of 23 Pages

AffaMed Therapeutics Limited

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

C-Bridge IV Investment Three Group Limited

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

C-Bridge IV Investment Six Limited

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 19 of 23 Pages

C-Bridge IV Investment Twenty Limited

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

AffaMed Management Limited

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

C-Bridge Healthcare Fund IV, L.P.

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 20 of 23 Pages

C-Bridge Healthcare Fund GP IV, L.P.

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

C-Bridge Capital GP IV, Ltd.

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 21 of 23 Pages

C-Bridge Joint Value Creation Limited

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

TF Capital IV, Ltd.

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

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Field: Split-Segment; Name: 03

SCHEDULE 13G

CUSIP No. 38942Q103 Page 22 of 23 Pages

Nova Aqua Limited

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

Wei Fu

(a) AMOUNT BENEFICIALLY OWNED (AS OF DECEMBER 31, 2020): 1,383,596

(b) PERCENT OF CLASS: 6.6%

(c) NUMBER OF SHARES AS TO WHICH THE PERSON HAS:

(i) sole power to vote or to direct the vote: -0-

(ii) shared power to vote or to direct the vote: 1,383,596

(iii) sole power to dispose or to direct the disposition of: -0-

(iv) shared power to dispose or to direct the disposition of: 1,383,596

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 OR CONTROL PERSON:

Not applicable.

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SCHEDULE 13G

CUSIP No. 38942Q103 Page 23 of 23 Pages

ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:

Not applicable.

ITEM 9. NOTICE OF DISSOLUTION OF GROUP:

Not applicable.

ITEM 10. CERTIFICATIONS:

Not applicable.

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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: September 18, 2021

AFFAMED PROJECT LIMITED — By: /s/ Mengjiao JIANG
Name: Mengjiao JIANG
Title: Director
AffaMed Therapeutics Limited
By: /s/ Dayao ZHAO
Name: Dayao ZHAO
Title: Director
C-Bridge IV Investment Three Group Limited
By: /s/ Wei Fu
Name: Wei Fu
Title: Director
C-Bridge IV Investment Six Limited
By: /s/ Wei Fu
Name: Wei Fu
Title: Director

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C-Bridge IV Investment Twenty Limited — By: /s/ Wei Fu
Name: Wei Fu
Title: Director
AffaMed Management Limited
By: /s/ Wei Fu
Name: Wei Fu
Title: Director
C-Bridge Healthcare Fund IV, L.P.
By: /s/ Wei Fu
Name: Wei Fu
Title: Authorized Representative
C-Bridge Healthcare Fund GP IV, L.P.
By: /s/ Wei Fu
Name: Wei Fu
Title: Authorized Representative
C-Bridge Capital GP IV, Ltd.
By: /s/ Wei Fu
Name: Wei Fu
Title: Director

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C-Bridge Joint Value Creation Limited — By: /s/ Wei Fu
Name: Wei Fu
Title: Director
TF Capital IV, Ltd.
By: /s/ Wei Fu
Name: Wei Fu
Title: Director
Nova Aqua Limited
By: /s/ Wei Fu
Name: Wei Fu
Title: Authorized Representative
/s/ Wei Fu
Wei Fu

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