Jeffrey D. Marrazzo, Chief Executive Officer at Spark Therapeutics, Inc. (ONCE), sold 16,970 shares at $60.02 ($1.0M) on 2016-08-10, disclosed to the SEC on 2016-08-12.
Open-market sale of $1.0M 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 | $60.02 | 6,971 | $418K | 41.1% |
| 2 | $60.06 | 9,999 | $601K | 58.9% |
| Total | $60.04 avg | 16,970 | $1.0M | 100% |
| Filing → |
| ONCE | SELL | 2017-07-07 | $368K | — | Filing → |
| ONCE | SELL | 2017-06-22 | $572K | — | Filing → |
| ONCE | SELL | 2016-10-19 | $273K | — | Filing → |