Sec Form 3 Filing - Polaris Partners GP VIII, L.L.C. @ Pandion Therapeutics, Inc. - 2020-07-16

Insider filing report for Changes in Beneficial Ownership
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FORM 3
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
Polaris Partners GP VIII, L.L.C.
2. Issuer Name and Ticker or Trading Symbol
Pandion Therapeutics, Inc. [ PAND]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director X __ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last) (First) (Middle)
ONE MARINA PARK DRIVE, 10TH FLOOR
3. Date of Earliest Transaction (MM/DD/YY)
07/16/2020
(Street)
BOSTON, MA02210
4. If Amendment, Date Original Filed (MM/DD/YY)
6. Individual or Joint/Group Filing (Check Applicable Line)
_____ Form filed by One Reporting Person
__ X __ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(MM/DD/YY)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Series A Preferred Stock ( 1 ) ( 1 ) ( 1 ) Common Stock 2,783,892 ( 1 ) I See footnote ( 2 )
Series A Preferred Stock ( 1 ) ( 1 ) ( 1 ) Common Stock 99,637 ( 1 ) I See footnote ( 3 )
Series B Preferred Stock ( 4 ) ( 4 ) ( 4 ) Common Stock 272,046 ( 4 ) I See footnote ( 2 )
Series B Preferred Stock ( 4 ) ( 4 ) ( 4 ) Common Stock 9,736 ( 4 ) I See footnote ( 3 )
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Polaris Partners GP VIII, L.L.C.
ONE MARINA PARK DRIVE, 10TH FLOOR
BOSTON, MA02210
X
Polaris Entrepreneurs' Fund VIII, L.P.
ONE MARINA PARK DRIVE, 10TH FLOOR
BOSTON02210
X
Polaris Partners VIII, L.P.
ONE MARINA PARK DRIVE, 10TH FLOOR
BOSTON, MA02210
X
Signatures
/s/ Lauren Crockett, as attorney-in-fact for Polaris Partners VIII, L.P. 07/16/2020
Signature of Reporting Person Date
/s/ Lauren Crockett, as attorney-in-fact for Polaris Entrepreneurs' Fund VIII L.P. 07/16/2020
Signature of Reporting Person Date
/s/ Lauren Crockett, as attorney-in-fact for Polaris Partners GP VIII, L.L.C. 07/16/2020
Signature of Reporting Person Date
Explanation of Responses:
( 1 )The Series A Preferred Stock is convertible into Common Stock on a 5.0994-for-one basis into the number of shares of Common Stock shown in Column 3 at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares have no expiration date.
( 2 )The reportable securities are owned directly by Polaris Partners VIII, L.P. ("PP VIII"). Polaris Partners GP VIII, L.L.C. ("PPGP VIII") is the general partner of PP VIII. Each of David Barrett, Brian Chee, Amir Nashat and Bryce Youngren are the managing members of PPGP VIII (collectively, the "Managing Members"). Each of the Managing Members may be deemed to have shared voting and dispositive power over the shares held by PP VIII. Each of PPGP VIII and the Managing Members disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.
( 3 )The reportable securities are owned directly by Polaris Entrepreneurs' Fund VIII, L.P. ("PEF VIII"). PPGP VIII is the general partner of PEF VIII. Each of the Managing Members may be deemed to have shared voting and dispositive power over the shares held by PEF VIII. Each of PPGP VIII and the Managing Members disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.
( 4 )The Series B Preferred Stock is convertible into Common Stock on a 5.0994-for-one basis into the number of shares of Common Stock shown in Column 3 at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares have no expiration date.

Remarks:
Exhibit Index: 24.1 Power of Attorney

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