Jeffrey D. Marrazzo, Chief Executive Officer at Spark Therapeutics, Inc. (ONCE), sold 10,000 shares at $61.84 ($627K) on 2016-08-15, disclosed to the SEC on 2016-08-17.
Open-market sale of $627k 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 | $61.84 | 5,000 | $309K | 49.3% |
| 2 | $62.84 | 1,500 | $94K | 15.0% |
| 3 | $63.96 | 3,400 | $217K | 34.7% |
| 4 | $64.64 | 100 | $6K | 1.0% |
| Total | $62.74 avg | 10,000 | $627K | 100% |
| Filing → |
| ONCE | SELL | 2017-07-07 | $368K | — | Filing → |
| ONCE | SELL | 2017-06-22 | $572K | — | Filing → |
| ONCE | SELL | 2016-10-19 | $273K | — | Filing → |