Jeffrey D. Marrazzo, Chief Executive Officer at Spark Therapeutics, Inc. (ONCE), sold 5,000 shares at $54.10 ($273K) on 2016-10-17, disclosed to the SEC on 2016-10-19.
Open-market sale of $273k 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $54.10 | 2,400 | $130K | 47.5% |
| 2 | $55.11 | 2,300 | $127K | 46.4% |
| 3 | $55.71 | 300 | $17K | 6.1% |
| Total | $54.66 avg | 5,000 | $273K | 100% |
| Filing → |
| ONCE | SELL | 2017-07-07 | $368K | — | Filing → |
| ONCE | SELL | 2017-06-22 | $572K | — | Filing → |
| ONCE | SELL | 2016-09-19 | $627K | — | Filing → |