Stephen W. Webster, Chief Financial Officer at Spark Therapeutics, Inc. (ONCE), sold 10,000 shares at $55.00 ($552K) on 2017-04-24, disclosed to the SEC on 2017-04-26.
Open-market sale of $552k 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $55.00 | 1,898 | $104K | 18.9% |
| 2 | $55.22 | 8,102 | $447K | 81.1% |
| Total | $55.18 avg | 10,000 | $552K | 100% |
| Filing → |
| VKTX | BUY | 2018-05-31 | $42K | — | Filing → |
| NBRV | BUY | 2018-05-23 | $37K | — | Filing → |
| ONCE | SELL | 2017-11-20 | $701K | — | Filing → |