Stephen W. Webster, Chief Financial Officer at Spark Therapeutics, Inc. (ONCE), sold 10,000 shares at $79.38 ($794K) on 2017-08-15, disclosed to the SEC on 2017-08-15.
Open-market sale of $794k ONCE by Chief Financial Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| Filing → |
| VKTX | BUY | 2018-05-31 | $42K | — | Filing → |
| NBRV | BUY | 2018-05-23 | $37K | — | Filing → |
| ONCE | SELL | 2017-11-20 | $701K | — | Filing → |