Jeffrey D. Marrazzo, Chief Executive Officer at Spark Therapeutics, Inc. (ONCE), sold 5,000 shares at $52.53 ($263K) on 2016-07-18, disclosed to the SEC on 2016-07-19.
Open-market sale of $263k ONCE by Chief Executive Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| ONCE | SELL | 2017-07-07 | $368K | — | Filing → |
| ONCE | SELL | 2017-06-22 | $572K | — | Filing → |
| ONCE | SELL | 2016-10-19 | $273K | — | Filing → |