Sec Form 4 Filing - BAKER BROS. ADVISORS LP @ Aeglea BioTherapeutics, Inc. - 2021-02-23

Insider filing report for Changes in Beneficial Ownership
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FORM 4
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 *
BAKER BROS. ADVISORS LP
2. Issuer Name and Ticker or Trading Symbol
Aeglea BioTherapeutics, Inc. [ AGLE]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X __ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
860 WASHINGTON STREET, 3RD FLOOR
3. Date of Earliest Transaction (MM/DD/YY)
02/23/2021
(Street)
NEW YORK, NY10014
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
Non-Qualified Stock Option (right to buy) $ 7.11 02/23/2021 A 47,200 ( 1 ) 02/22/2031 Common Stock 47,200 $ 0 47,200 I See Footnotes ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 )
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
BAKER BROS. ADVISORS LP
860 WASHINGTON STREET
3RD FLOOR
NEW YORK, NY10014
X
667, L.P.
860 WASHINGTON STREET, 3RD FLOOR
NEW YORK, NY10014
X
Baker Bros. Advisors (GP) LLC
860 WASHINGTON STREET
3RD FLOOR
NEW YORK, NY10014
X
Baker Brothers Life Sciences LP
860 WASHINGTON STREET
3RD FLOOR
NEW YORK, NY10014
X
BAKER FELIX
860 WASHINGTON STREET
3RD FLOOR
NEW YORK, NY10014
X
BAKER JULIAN
860 WASHINGTON STREET, 3RD FLOOR
NEW YORK, NY10014
X
Signatures
By: Baker Bros. Advisors LP, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing 02/25/2021
** Signature of Reporting Person Date
Baker Bros. Advisors LP, Mgmt. Co. and Inv. Adviser to 667, L.P., pursuant to authority granted by Baker Biotech Capital, L.P., GP to 667, L.P. Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing 02/25/2021
** Signature of Reporting Person Date
By: Baker Bros. Advisors (GP) LLC, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing 02/25/2021
** Signature of Reporting Person Date
Baker Bros. Advisors LP, Mgmt. Co. and Inv. Adviser to BAKER BROTHERS LIFE SCIENCES, L.P., pursuant to authority granted by Baker Brothers Life Sciences Capital, L.P., GP to Baker Brothers Life Sciences, L.P., Name: Scott L. Lessing, Title: President /s/ 02/25/2021
** Signature of Reporting Person Date
/s/ Felix J. Baker 02/25/2021
** Signature of Reporting Person Date
/s/ Julian C. Baker 02/25/2021
** Signature of Reporting Person Date
Explanation of Responses:
( 1 )47,200 non-qualified stock options ("Stock Options") exercisable solely into common stock ("Common Stock") of Aeglea BioTherapeutics, Inc. (the "Issuer") were granted under the Issuer's 2016 Equity Incentive Plan to Sara Brownstein, a full-time employee of Baker Bros. Advisors LP (the "Adviser"), in her capacity as a director of the Issuer. The Stock Options have a strike price of $7.11 per share, and vest in 36 equal monthly installments beginning on March 23, 2021, subject to Sara Brownstein's continued service on the Board of Directors of the Issuer (the "Board").
( 2 )Sara Brownstein serves on the Board as a representative of Baker Brothers Life Sciences, L.P. ("Life Sciences") and 667, L.P. ("667", and together with Life Sciences, the "Funds").
( 3 )Pursuant to the policies of the Adviser, Sara Brownstein does not have any right to any of the Issuer's securities issued as part of her service on the Board and the Funds are entitled to receive all of the pecuniary interest in the securities issued. The Funds each own an indirect proportionate pecuniary interest in the Stock Options. Solely as a result of Felix J. Baker's and Julian C. Baker's ownership interests in (i) the general partners of the Funds and (ii) the Funds, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in the Stock Options (i.e. no direct pecuniary interest).
( 4 )The Adviser serves as the investment adviser to the Funds. In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. The Adviser GP is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds.
( 5 )Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.

Remarks:
Sara Brownstein, a full-time employee of Baker Bros. Advisors LP, was appointed as a director on the Board of Directors (the "Board") of Aeglea BioTherapeutics, Inc. (the "Issuer") on February 23, 2021. By virtue of their representation on the Board, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the reporting persons are deemed directorsby deputization of the Issuer.

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