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XLRN - As of  09/26/24, 04:15:01 PM:   135 Insider Transactions.

Sector: Healthcare    Industry: Biotechnology
Prev Close:$34.35  Avg Vol(3m): 361,373  P/E: 0.00  EPS: -1.29

Email this page to a friend.    Insider Transactions for XLRN

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2020-09-10 10:03:39.0 ACCELERON PHARMA INC XLRN FMR LLC 9.828% view
B 2020-07-16 17:01:15.0 ACCELERON PHARMA INC XLRN BRISTOL MYERS SQUIBB CO 12.0% view
B 2020-06-09 16:33:12.0 ACCELERON PHARMA INC XLRN BlackRock Inc 10.0% view
B 2020-02-14 13:30:35.0 ACCELERON PHARMA INC XLRN PRICE T ROWE ASSOCIATES INC 6.4% view
B 2020-02-12 09:26:56.0 ACCELERON PHARMA INC XLRN VANGUARD GROUP INC 7.84% view
B 2020-02-07 11:12:19.0 ACCELERON PHARMA INC XLRN FMR LLC 14.999% view
S 2020-02-05 11:26:02.0 ACCELERON PHARMA INC XLRN BlackRock Inc 9.2% view
S 2019-11-12 10:16:07.0 ACCELERON PHARMA INC XLRN PRICE T ROWE ASSOCIATES INC 5.6% view
B 2019-02-14 13:50:36.0 ACCELERON PHARMA INC XLRN PRICE T ROWE ASSOCIATES INC 10.8% view
B 2019-02-11 11:02:56.0 ACCELERON PHARMA INC XLRN VANGUARD GROUP INC 7.62% view
S 2019-02-04 10:08:57.0 ACCELERON PHARMA INC XLRN BlackRock Inc 9.6% view
S 2019-01-22 17:00:50.0 ACCELERON PHARMA INC XLRN CELGENE CORP 13.3% view
B 2018-10-10 11:36:56.0 ACCELERON PHARMA INC XLRN PRICE T ROWE ASSOCIATES INC 10.3% view
S 2018-02-14 14:08:14.0 ACCELERON PHARMA INC XLRN PRICE T ROWE ASSOCIATES INC 7.0% view
S 2018-02-13 09:32:54.0 ACCELERON PHARMA INC XLRN FMR LLC 11.289% view
B 2018-02-08 10:46:00.0 ACCELERON PHARMA INC XLRN VANGUARD GROUP INC 5.39% view
B 2018-01-23 14:16:39.0 ACCELERON PHARMA INC XLRN BlackRock Inc 10.5% view
B 2017-11-09 17:23:55.0 ACCELERON PHARMA INC XLRN FMR LLC 11.988% view
S 2017-10-10 08:54:59.0 ACCELERON PHARMA INC XLRN FMR LLC 8.452% view
S 2017-09-25 16:24:30.0 ACCELERON PHARMA INC XLRN CELGENE CORP 13.87% view
B 2017-07-10 14:15:39.0 ACCELERON PHARMA INC XLRN BlackRock Inc 10.4% view
S 2017-02-14 10:42:19.0 ACCELERON PHARMA INC XLRN FMR LLC 13.893% view
B 2017-02-10 15:35:52.0 ACCELERON PHARMA INC XLRN PRICE T ROWE ASSOCIATES INC 10.5% view
B 2017-02-06 13:31:22.0 ACCELERON PHARMA INC XLRN PRICE T ROWE ASSOCIATES INC 9.8% view
B 2017-01-19 17:23:42.0 ACCELERON PHARMA INC XLRN BlackRock Inc 9.3% view
S 2016-02-16 11:02:50.0 ACCELERON PHARMA INC XLRN ADAGE CAPITAL PARTNERS GP LLC 1.17% view
S 2016-02-16 10:41:53.0 ACCELERON PHARMA INC XLRN ADVANCED TECHNOLOGY VENTURES VII LP 4.5% view
B 2016-02-12 08:49:34.0 ACCELERON PHARMA INC XLRN FMR LLC 14.999% view
S 2016-02-11 14:08:36.0 ACCELERON PHARMA INC XLRN PRICE T ROWE ASSOCIATES INC 8.8% view
B 2016-01-25 13:46:16.0 ACCELERON PHARMA INC XLRN BlackRock Inc 6.7% view
B 2016-01-11 16:16:48.0 ACCELERON PHARMA INC XLRN CELGENE CORP 14.6% view
S 2015-08-26 20:21:59.0 ACCELERON PHARMA INC XLRN POLARIS VENTURE PARTNERS IV LP 4.5% view
S 2015-05-26 17:14:00.0 LAYNE CHRISTENSEN CO LAYN STEELHEAD PARTNERS LLC 0.0% view
S 2019-02-12 15:29:27.0 LAYNE CHRISTENSEN CO LAYN BARINGS LLC 0.0% view
S 2019-02-05 16:04:05.0 LAYNE CHRISTENSEN CO LAYN RUTABAGA CAPITAL MANAGEMENT LLC 0.0% view
S 2018-07-03 09:13:54.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT I 0.0% view
S 2018-06-18 16:26:55.0 LAYNE CHRISTENSEN CO LAYN Cetus Capital II 0.0% view
B 2018-05-21 17:12:53.0 LAYNE CHRISTENSEN CO LAYN Cetus Capital II 2.59% view
S 2018-05-04 14:15:24.0 LAYNE CHRISTENSEN CO LAYN Linden Capital L 7.8% view
S 2018-02-23 16:07:03.0 LAYNE CHRISTENSEN CO LAYN GRANITE CONSTRUCTION INC 10.0% view
S 2018-02-15 12:58:17.0 LAYNE CHRISTENSEN CO LAYN STEELHEAD PARTNERS LLC 5.3% view
B 2018-02-14 09:38:31.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT I 8.9% view
S 2018-02-09 15:56:37.0 LAYNE CHRISTENSEN CO LAYN RUTABAGA CAPITAL MANAGEMENT LLC 4.73% view
S 2018-02-08 16:09:35.0 LAYNE CHRISTENSEN CO LAYN Corre Partners Management 5.4% view
B 2018-01-25 11:11:52.0 LAYNE CHRISTENSEN CO LAYN Linden Capital L 9.2% view
S 2018-01-03 12:49:55.0 LAYNE CHRISTENSEN CO LAYN GAMCO INVESTORS 6.06% view
S 2017-09-19 08:58:02.0 LAYNE CHRISTENSEN CO LAYN RUTABAGA CAPITAL MANAGEMENT LLC 7.42% view
B 2017-02-14 10:23:45.0 LAYNE CHRISTENSEN CO LAYN Cetus Capital II 8.1% view
S 2017-02-09 15:25:12.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT I 5.24% view
S 2017-02-03 10:42:43.0 LAYNE CHRISTENSEN CO LAYN Kopernik Global Investors 5.7% view
B 2017-01-30 15:39:34.0 LAYNE CHRISTENSEN CO LAYN BlackRock Inc 9.0% view
B 2016-11-29 15:53:32.0 LAYNE CHRISTENSEN CO LAYN BABSON CAPITAL MANAGEMENT LLC 5.4% view
B 2016-02-16 10:13:04.0 LAYNE CHRISTENSEN CO LAYN HIGHBRIDGE CAPITAL MANAGEMENT LLC 9.99% view
B 2016-02-10 15:29:52.0 LAYNE CHRISTENSEN CO LAYN WHITEBOX ADVISORS LLC 10.62% view
B 2016-02-09 16:22:43.0 LAYNE CHRISTENSEN CO LAYN Kopernik Global Investors 5.41% view
B 2016-02-01 10:59:35.0 LAYNE CHRISTENSEN CO LAYN WYNNEFIELD PARTNERS SMALL CAP VALUE LP 8.9% view
B 2016-01-19 14:13:24.0 LAYNE CHRISTENSEN CO LAYN Corre Partners Management 9.3% view
S 2015-12-11 16:08:37.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT I 12.59% view
S 2015-12-10 17:48:13.0 LAYNE CHRISTENSEN CO LAYN BROWN CAPITAL MANAGEMENT LLC 12.59% view
B 2015-08-19 17:19:20.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT I 14.1% view
B 2015-07-31 16:23:38.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT I 16.1% view
S 2015-07-10 12:47:09.0 LAYNE CHRISTENSEN CO LAYN BlackRock Inc 7.35% view
S 2015-04-27 18:24:28.0 LAYNE CHRISTENSEN CO LAYN Water Asset Management LLC 15.1% view
B 2015-03-12 18:26:09.0 LAYNE CHRISTENSEN CO LAYN HIGHBRIDGE CAPITAL MANAGEMENT LLC 5.14% view
B 2015-02-13 10:45:31.0 LAYNE CHRISTENSEN CO LAYN RUTABAGA CAPITAL MANAGEMENT LLC 9.4% view
S 2015-02-10 14:15:20.0 LAYNE CHRISTENSEN CO LAYN VANGUARD GROUP INC 8.04% view
S 2015-02-05 09:22:09.0 LAYNE CHRISTENSEN CO LAYN DIMENSIONAL FUND ADVISORS LP 6.5% view
B 2015-01-13 15:00:32.0 LAYNE CHRISTENSEN CO LAYN ROYCE & ASSOCIATES LLC 10.82% view
S 2014-11-10 10:52:35.0 LAYNE CHRISTENSEN CO LAYN GAMCO INVESTORS 9.02% view
S 2014-09-22 16:20:13.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT I 16.2% view
B 2014-07-14 12:42:44.0 LAYNE CHRISTENSEN CO LAYN GAMCO INVESTORS 6.014% view
S 2014-02-13 12:56:30.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT INC 5.1% view
B 2014-02-10 14:12:18.0 LAYNE CHRISTENSEN CO LAYN RUTABAGA CAPITAL MANAGEMENT LLC 6.6% view
B 2014-01-13 12:08:09.0 LAYNE CHRISTENSEN CO LAYN ROYCE & ASSOCIATES LLC 9.4% view
B 2013-07-08 15:09:44.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT INC 11.9% view
B 2013-06-27 18:01:44.0 LAYNE CHRISTENSEN CO LAYN GAMCO INVESTORS 7.97% view
B 2013-02-13 10:10:51.0 LAYNE CHRISTENSEN CO LAYN DIMENSIONAL FUND ADVISORS LP 7.36% view
S 2013-02-08 18:13:45.0 LAYNE CHRISTENSEN CO LAYN Invesco Ltd 4.5% view
B 2013-01-14 14:19:38.0 LAYNE CHRISTENSEN CO LAYN GAMCO INVESTORS 7.13% view
B 2012-09-10 10:45:04.0 LAYNE CHRISTENSEN CO LAYN Tradewinds Global Investors 6.51% view
B 2012-07-20 10:34:39.0 LAYNE CHRISTENSEN CO LAYN GAMCO INVESTORS 4.96% view
S 2012-05-29 14:12:24.0 LAYNE CHRISTENSEN CO LAYN GAMCO INVESTORS 9.06% view
B 2012-02-14 09:42:08.0 LAYNE CHRISTENSEN CO LAYN Tradewinds Global Investors 7.3% view
B 2012-02-13 14:08:13.0 LAYNE CHRISTENSEN CO LAYN BlackRock Inc 5.9% view
S 2012-02-07 13:38:38.0 LAYNE CHRISTENSEN CO LAYN KEELEY ASSET MANAGEMENT CORP 4.7% view
B 2011-10-11 10:38:35.0 LAYNE CHRISTENSEN CO LAYN GAMCO INVESTORS 2.63% view
B 2011-10-07 13:58:26.0 LAYNE CHRISTENSEN CO LAYN DIMENSIONAL FUND ADVISORS LP 6.18% view
S 2011-02-10 12:59:15.0 LAYNE CHRISTENSEN CO LAYN KEELEY ASSET MANAGEMENT CORP 6.2% view
B 2011-02-07 09:04:04.0 LAYNE CHRISTENSEN CO LAYN Neuberger Berman Group LLC 13.892% view
B 2010-02-12 17:11:18.0 LAYNE CHRISTENSEN CO LAYN KEELEY ASSET MANAGEMENT CORP 5.15% view
B 2010-01-29 14:51:26.0 LAYNE CHRISTENSEN CO LAYN BlackRock Inc 11.789% view
B 2009-02-11 15:55:58.0 LAYNE CHRISTENSEN CO LAYN NEUBERGER BERMAN INC 12.019% view
B 2009-02-05 13:30:22.0 LAYNE CHRISTENSEN CO LAYN KBC Asset Management Ltd 5.07% view
B 2008-04-10 16:25:55.0 LAYNE CHRISTENSEN CO LAYN NEUBERGER BERMAN INC 6.6% view
B 2008-02-13 12:06:46.0 LAYNE CHRISTENSEN CO LAYN Invesco Ltd 6.47% view
B 2007-02-14 14:19:11.0 LAYNE CHRISTENSEN CO LAYN AMVESCAP PLC 8.92% view
S 2007-01-09 15:53:02.0 LAYNE CHRISTENSEN CO LAYN STEEL PARTNERS II LP 3.9% view
S 2006-12-20 19:30:51.0 LAYNE CHRISTENSEN CO LAYN STEEL PARTNERS II LP 7.9% view
S 2006-10-20 11:56:11.0 LAYNE CHRISTENSEN CO LAYN STEEL PARTNERS II LP 9.3% view
S 2006-06-07 00:00:00.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT INC 9.3% view
S 2006-02-10 00:00:00.0 LAYNE CHRISTENSEN CO LAYN WELLS FARGO & CO 9.3% view
B 2006-01-10 00:00:00.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT INC 7.66% view
S 2005-10-11 00:00:00.0 LAYNE CHRISTENSEN CO LAYN STEEL PARTNERS II LP 11.4% view
S 2005-02-22 00:00:00.0 LAYNE CHRISTENSEN CO LAYN PRICE T ROWE ASSOCIATES INC 0.6% view
S 2005-02-11 00:00:00.0 LAYNE CHRISTENSEN CO LAYN DIMENSIONAL FUND ADVISORS INC 2.54% view
B 2005-01-07 00:00:00.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT INC 11.4% view
B 2004-07-30 00:00:00.0 LAYNE CHRISTENSEN CO LAYN STEEL PARTNERS II LP 11.3% view
S 2004-04-21 00:00:00.0 LAYNE CHRISTENSEN CO LAYN STEEL PARTNERS II LP 7.2% view
B 2004-02-19 00:00:00.0 LAYNE CHRISTENSEN CO LAYN STRONG CAPITAL MANAGEMENT INC ET AL 13.2% view
S 2004-02-11 00:00:00.0 LAYNE CHRISTENSEN CO LAYN WYNNEFIELD PARTNERS SMALL CAP VALUE LP 6.15% view
S 2004-02-05 00:00:00.0 LAYNE CHRISTENSEN CO LAYN PRICE T ROWE ASSOCIATES INC 4.3% view
B 2004-01-16 00:00:00.0 LAYNE CHRISTENSEN CO LAYN STEEL PARTNERS II LP 11.78% view
S 2003-12-03 00:00:00.0 LAYNE CHRISTENSEN CO LAYN STEEL PARTNERS II LP 7.6% view
B 2003-09-09 00:00:00.0 LAYNE CHRISTENSEN CO LAYN PRICE T ROWE ASSOCIATES INC 7.7% view
S 2003-07-09 00:00:00.0 LAYNE CHRISTENSEN CO LAYN STRONG CAPITAL MANAGEMENT INC ET AL n/a view
S 2003-03-05 00:00:00.0 LAYNE CHRISTENSEN CO LAYN WYNNEFIELD PARTNERS SMALL CAP VALUE LP 5.3% view
B 2003-02-14 00:00:00.0 LAYNE CHRISTENSEN CO LAYN DIMENSIONAL FUND ADVISORS INC 7.9% view
S 2003-02-12 00:00:00.0 LAYNE CHRISTENSEN CO LAYN WYNNEFIELD PARTNERS SMALL CAP VALUE LP 0.0% view
B 2003-02-03 00:00:00.0 LAYNE CHRISTENSEN CO LAYN PRICE T ROWE ASSOCIATES INC 6.4% view
B 2002-11-07 00:00:00.0 LAYNE CHRISTENSEN CO LAYN VAN DEN BERG MANAGEMENT INC 6.77% view
B 2002-09-19 00:00:00.0 LAYNE CHRISTENSEN CO LAYN KKR ASSOCIATES 17.1% view
B 2002-05-28 00:00:00.0 LAYNE CHRISTENSEN CO LAYN KKR ASSOCIATES 2.87% view
S 2002-02-14 00:00:00.0 LAYNE CHRISTENSEN CO LAYN FLEETBOSTON FINANCIAL CORP 5.4373% view
B 2002-02-12 00:00:00.0 LAYNE CHRISTENSEN CO LAYN STATE OF WISCONSIN INVESTMENT BOARD 7.9% view
S 2001-02-09 00:00:00.0 LAYNE CHRISTENSEN CO LAYN SHAPIRO CAPITAL MANAGEMENT CO INC 2.66% view
S 2001-02-08 00:00:00.0 LAYNE CHRISTENSEN CO LAYN PRICE T ROWE ASSOCIATES INC 12.0% view
S 2001-01-25 00:00:00.0 LAYNE CHRISTENSEN CO LAYN WYNNEFIELD PARTNERS SMALL CAP VALUE LP 2.64% view
B 2000-02-09 00:00:00.0 LAYNE CHRISTENSEN CO LAYN STATE OF WISCONSIN INVESTMENT BOARD 11.8% view
B 2000-02-03 00:00:00.0 LAYNE CHRISTENSEN CO LAYN DIMENSIONAL FUND ADVISORS INC 19.3% view
B 1999-11-10 00:00:00.0 LAYNE CHRISTENSEN CO LAYN SHAPIRO CAPITAL MANAGEMENT CO INC 18.9% view
B 1999-02-02 00:00:00.0 LAYNE CHRISTENSEN CO LAYN STATE OF WISCONSIN INVESTMENT BOARD 10.7% view
B 1998-04-14 00:00:00.0 LAYNE CHRISTENSEN CO LAYN GREYLOCK INVESTMENTS LIMITED PARTNERSHIP ET AL 15.17% view
B 1998-02-17 00:00:00.0 LAYNE CHRISTENSEN CO LAYN MARLEY GP INC 8.7% view
B 1998-01-26 00:00:00.0 LAYNE CHRISTENSEN CO LAYN STATE OF WISCONSIN INVESTMENT BOARD 7.95% view
B 1997-08-25 00:00:00.0 LAYNE CHRISTENSEN CO LAYN KKR ASSOCIATES 17.7% 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.