FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Pass David A. 2. Date of Event Requiring Statement (MM/DD/YYYY)
1/13/2022 

3. Issuer Name and Ticker or Trading Symbol GELESIS HOLDINGS, INC. [GLS]
(Last)       (First)       (Middle)
GELESIS HOLDINGS, INC., 501 BOYLSTON STREET, SUITE 6102
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                          _____ 10% Owner
___X___ Officer (give title below)        _____ Other (specify below)
Chief Op. & Comm. Officer /
(Street)
BOSTON, MA 02116      
(City)             (State)             (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
 

6. Individual or Joint/Group Filing(Check Applicable Line)_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Earnout Shares   (1)(2) 1/13/2027  Common Stock  428673   (1)(2) D   
Stock Option (Right to Buy)   (3) 9/7/2026  Common Stock  500072  $4.05  D   
Stock Option (Right to Buy)   (3) 7/17/2028  Common Stock  388804  $4.05  D   
Stock Option (Right to Buy)   (4) 7/15/2030  Common Stock  416160  $4.26  D   

Explanation of Responses:
(1)  On January 13, 2022, the reporting person received the right to acquire 428,673 shares of the Issuer's Common Stock (the "Earnout Shares"). The Earnout Shares shall vest and be released upon the satisfaction of certain share price vesting conditions (the "Earnout Conditions") as follows: (i) if, at any time prior to January 13, 2027 (the "Earnout Period") the volume-weighted average price ("VWAP") of the Issuer's Common Stock equals or exceeds $12.50 per share for any 20 trading days within a 30-trading day period, one third (1/3) of the Earnout Shares shall vest;
(2)  (ii) if, at any time during the Earnout Period, the VWAP of the Issuer's Common Stock equals or exceeds $15.00 per share for any 20 trading days within a 30-trading day period, one third (1/3) of the Earnout Shares shall vest; and (iii) if, at any time during the Earnout Period, the VWAP of the Issuer's Common Stock equals or exceeds $17.50 per share for any 20 trading days within a 30-trading day period, one third (1/3) of the Earnout Shares shall vest.
(3)  The shares underlying this option are fully vested and exercisable as of the date hereof.
(4)  One third of the shares underlying this option vested and became exercisable on July 15, 2021, with the remainder vesting in eight substantially equal quarterly installments thereafter, subject to the reporting person's continued service on each such vesting date.

Remarks:
Immediately after the closing of the transactions contemplated by that certain Business Combination Agreement dated as of July 19, 2021, as amended, by and among the Issuer (f/k/a Capstar Special Purpose Acquisition Corp.), CPSR Gelesis Merger Sub, Inc. and Gelesis, Inc., the reporting person became an officer of the Issuer. Exhibit 24 - Power of Attorney

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Pass David A.
GELESIS HOLDINGS, INC.
501 BOYLSTON STREET, SUITE 6102
BOSTON, MA 02116


Chief Op. & Comm. Officer

Signatures
/s/ David Abraham, Attorney-in-Fact 1/24/2022
**Signature of Reporting Person Date
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