Jeffrey D. Marrazzo, Chief Executive Officer at Spark Therapeutics, Inc. (ONCE), sold 75,000 shares at $47.30 ($3.6M) on 2015-10-12, disclosed to the SEC on 2015-10-14.
Open-market sale of $3.6M ONCE by Chief Executive Officer. 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $47.30 | 40,000 | $1.9M | 52.2% |
| 2 | $48.11 | 10,765 | $518K | 14.3% |
| 3 | $50.08 | 21,735 | $1.1M | 30.0% |
| 4 | $51.00 | 2,500 | $128K | 3.5% |
| Total | $48.35 avg | 75,000 | $3.6M | 100% |
| Filing → |
| ONCE | SELL | 2017-08-15 | $1.1M | — | Filing → |
| ONCE | SELL | 2017-08-04 | $2.3M | — | Filing → |
| ONCE | SELL | 2017-07-07 | $368K | — | Filing → |