Children's Hospital of Philadelphia Foundation, 10% Owner at Spark Therapeutics, Inc. (ONCE), sold 1,000,000 shares at $42.30 ($42.3M) on 2016-06-20, disclosed to the SEC on 2016-06-22.
Open-market sale of $42.3M ONCE by 10% Owner. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Negative factors outweigh the positive ones.
| Filing → |
| ONCE | SELL | 2017-09-26 | $84.6M | — | Filing → |
| ONCE | SELL | 2017-05-15 | $47.3M | — | Filing → |
| ONCE | SELL | 2016-08-18 | $60.9M | — | Filing → |