SEC Form 4 · accession 0001609351-17-000088
Spark Therapeutics, Inc. · ONCE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Stephen W Webster
Officer — Chief Financial Officer
Period of report
Jul 31, 2017
Accepted (ET)
Aug 2, 2017 · 5:58 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001609351
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jul 31, 2017 | M | 2,337 | $3.45 | A | 4,837 | D | |
| Common Stock | Jul 31, 2017 | S | 2,337 | $71.12 | D | 2,500 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (right to buy)F2 | $3.45 | Jul 31, 2017 | M | 2,337 | D | — | Jul 7, 2024 | Common Stock | 2,337 | 126,015 | D |
Explanation of responses
- F1The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 27, 2017, as amended.
- F2This option was granted on July 7, 2014 and vests over four years, with 25% of the shares underlying the option vesting on July 7, 2015, and the remainder vesting quarterly thereafter.