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ONCE - As of 05/17/24, 12:25:01 PM: 19 Insider Transactions. Sector: Healthcare Industry: Biotechnology Prev Close:$54.47 Avg Vol(3m): 537,592 P/E: 0.00 EPS: -2.53 Email this page to a friend. Insider Transactions for ONCE

Buy/Sell*	Filed Date	Subject	Symbol	Acquirer	Pct Owned	Details
S	2020-02-14 16:05:05.0	Spark Therapeutics	ONCE	Children	2.2%	view
S	2019-04-10 10:34:14.0	Spark Therapeutics	ONCE	WELLINGTON MANAGEMENT GROUP LLP	0.54%	view
B	2019-03-07 10:06:02.0	Spark Therapeutics	ONCE	Partner Fund Management	5.9%	view
S	2019-02-14 13:51:03.0	Spark Therapeutics	ONCE	WELLINGTON MANAGEMENT GROUP LLP	7.51%	view
B	2019-02-11 14:23:14.0	Spark Therapeutics	ONCE	VANGUARD GROUP INC	8.2%	view
B	2019-01-28 15:20:41.0	Spark Therapeutics	ONCE	JPMORGAN CHASE & CO	5.9%	view
S	2018-11-13 13:13:31.0	Spark Therapeutics	ONCE	WELLINGTON MANAGEMENT GROUP LLP	10.16%	view
B	2018-03-09 08:50:02.0	Spark Therapeutics	ONCE	FEDERATED INVESTORS INC	5.0%	view
B	2018-02-13 09:45:58.0	Spark Therapeutics	ONCE	FMR LLC	6.96%	view
B	2018-02-12 10:22:53.0	Spark Therapeutics	ONCE	VANGUARD GROUP INC	7.2%	view
S	2018-01-11 12:12:59.0	Spark Therapeutics	ONCE	Children	16.0%	view
B	2017-02-14 11:55:32.0	Spark Therapeutics	ONCE	VANGUARD GROUP INC	5.64%	view
S	2017-02-10 15:39:21.0	Spark Therapeutics	ONCE	PRICE T ROWE ASSOCIATES INC	9.8%	view
S	2017-01-30 15:40:37.0	Spark Therapeutics	ONCE	BlackRock Inc	3.0%	view
S	2016-12-12 11:03:57.0	Spark Therapeutics	ONCE	PRICE T ROWE ASSOCIATES INC	19.0%	view
S	2016-02-12 11:12:23.0	Spark Therapeutics	ONCE	Children	28.9%	view
S	2015-12-22 16:58:19.0	Spark Therapeutics	ONCE	Sofinnova Venture Partners VIII	6.5%	view
B	2015-07-10 07:47:16.0	Spark Therapeutics	ONCE	Sofinnova Venture Partners VIII	8.6%	view
B	2015-02-05 17:29:25.0	Spark Therapeutics	ONCE	Children	36.4%	view

* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.