Jeffrey D. Marrazzo, Chief Executive Officer at Spark Therapeutics, Inc. (ONCE), sold 75,000 shares at $47.02 ($3.6M) on 2015-10-07, disclosed to the SEC on 2015-10-09.
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 | $47.02 | 25,000 | $1.2M | 32.8% |
| 2 | $48.33 | 24,117 | $1.2M | 32.5% |
| 3 | $50.40 | 900 | $45K | 1.3% |
| 4 | $47.48 | 4,983 | $237K | 6.6% |
| 5 | $48.17 | 20,000 | $963K | 26.9% |
| Total | $47.82 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 → |