SEC FORM 4 SEC Form 4
FORM 4 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
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Altschuler Steven

(Last) (First) (Middle)
C/O SPARK THERAPEUTICS, INC.
3737 MARKET STREET, SUITE 1300

(Street)
PHILADELPHIA PA 19104

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Spark Therapeutics, Inc. [ ONCE ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
05/30/2018
4. If Amendment, Date of Original Filed (Month/Day/Year)
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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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
Common Stock 05/31/2018 M 1,500 A $0(1) 26,500 D
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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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 (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (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: 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
Stock Option (right to buy) $81.53 05/30/2018 A 4,000 (2) 05/29/2028 Common Stock 4,000 $0 4,000 D
Restricted Stock Units (3) 05/30/2018 A 1,500 (4) (4) Common Stock 1,500 $0 1,500 D
Restricted Stock Units (3) 05/31/2018 M 1,500 (5) (5) Common Stock 1,500 $0 0 D
Explanation of Responses:
1. Each restricted stock unit converted into one share of Spark Therapeutics, Inc. common stock.
2. 100% of the shares vest on the one-year anniversary of the grant date.
3. Each restricted stock unit represents a contingent right to receive one share of Spark Therapeutics, Inc. common stock.
4. 100% of the restricted stock units vest on the one-year anniversary of the grant date. Vested shares will be delivered to the reporting person on the vesting date.
5. On May 31, 2017, the reporting person was granted 1,500 restricted stock units that vest on the one-year anniversary of the grant date. Vested shares are delivered to the reporting person on the vesting date.
Remarks:
/s/ Joseph La Barge, as Attorney in Fact for Steven M. Altschuler, MD 05/31/2018
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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