Katherine A. High, See Remarks at Spark Therapeutics, Inc. (ONCE), sold 5,000 shares at $83.30 ($417K) on 2017-10-31, disclosed to the SEC on 2017-11-06.
Open-market sale of $416k ONCE by See Remarks. 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 | 2017-07-26 | $725K | — | Filing → |
| ONCE | SELL | 2017-06-29 | $610K | — | Filing → |
| ONCE | SELL | 2017-06-21 | $600K | — | Filing → |