Katherine A. High, See Remarks at Spark Therapeutics, Inc. (ONCE), sold 9,900 shares at $54.42 ($539K) on 2016-05-23, disclosed to the SEC on 2016-05-24.
Open-market sale of $539k 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 | 2017-09-01 | $803K | — | Filing → |
| ONCE | SELL | 2017-07-26 | $725K | — | Filing → |
| ONCE | SELL | 2017-06-29 | $610K | — | Filing → |