Barrett M James (CIK 0001219855)

Latest company ownership

Shares held
82,978,668
Last filed at
Sep 10, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q1 2025Q4
ARDX - ARDELYX, INC.
Role: 10% Owner
Shares held
9,169,210
Last filed at
May 30, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2014Q4 2025Q4
Shares held
4,659,333
Last filed at
Aug 29, 2014
Confidence Score
50.0
2025Q4
Confidence Score History
2010Q2 2025Q4
SYBX - SYNLOGIC, INC.
Role: 10% Owner
Shares held
4,228,940
Last filed at
Jan 26, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2015Q4 2025Q4
Shares held
2,927,708
Last filed at
Oct 10, 2017
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q4 2025Q4
APPN - APPIAN CORP
Role: 10% Owner
Shares held
2,724,202
Last filed at
Feb 15, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q4 2025Q4
BE - Bloom Energy Corp
Role: 10% Owner
Shares held
996,870
Last filed at
Jul 31, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q3 2025Q4
Shares held
492,583
Last filed at
Jul 6, 2017
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q3 2025Q4
Shares held
212,970
Last filed at
Dec 3, 2015
Confidence Score
50.0
2025Q4
Confidence Score History
2015Q2 2025Q4
Shares held
86,930
Last filed at
Jun 3, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2016Q1 2025Q4
Shares held
11,000
Last filed at
May 21, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2014Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Sep 7, 2018 Sep 10, 2018 Adaptimmune Therapeutics PLC 10% Owner Buy 93.8 +3,000,000 3.75% ✗ $5M
Jul 27, 2018 Jul 31, 2018 Bloom Energy Corp 10% Owner Buy 100.0 +1,333,333 100.00% ✗ $20M
May 10, 2018 May 11, 2018 CRESCENT BIOPHARMA, INC. Director Sell 47.5 -9,539 -0.07% ✗ $169.9K
Mar 26, 2018 Mar 28, 2018 Adaptimmune Therapeutics PLC 10% Owner Buy 97.5 +6,571,164 8.95% ✗ $12.6M
Mar 21, 2018 Mar 23, 2018 Adaptimmune Therapeutics PLC 10% Owner Buy 87.5 +1,268,508 1.76% ✗ $2.4M
Nov 27, 2017 Nov 27, 2017 APPIAN CORP 10% Owner Sell 15.0 -569,620 -100.00% ✗ $11.1M
Nov 20, 2017 Nov 21, 2017 APPIAN CORP 10% Owner Sell 15.0 -2,820,516 -100.00% ✗ $55M
Oct 10, 2017 Oct 10, 2017 RHYTHM PHARMACEUTICALS, INC. 10% Owner Buy 100.0 +550,000 12.61% ✗ $9.4M
Jul 3, 2017 Jul 6, 2017 Mersana Therapeutics, Inc. 10% Owner Buy 100.0 +1,000,000 14.01% ✗ $15M
Jun 1, 2017 Jun 5, 2017 Senseonics Holdings, Inc. Director Buy 100.0 +7,092,198 45.86% ✗ $10M
Mar 27, 2017 Mar 28, 2017 Adaptimmune Therapeutics PLC 10% Owner Buy 100.0 +12,870,000 21.71% ✗ $9M
Jul 18, 2016 Jul 20, 2016 ARDELYX, INC. 10% Owner Buy 96.3 +763,650 9.56% ✗ $6.7M
Mar 23, 2016 Mar 23, 2016 Senseonics Holdings, Inc. Director Buy 100.0 +1,578,947 11.37% ✗ $4.5M
Jan 13, 2016 Jan 14, 2016 ARDELYX, INC. 10% Owner Buy 96.3 +500,000 6.68% ✗ $5M
Dec 4, 2015 Dec 8, 2015 SUPERNUS PHARMACEUTICALS, INC. Director Sell 17.5 -212,970 -48.00% ✗ $3.1M
Nov 25, 2015 Nov 30, 2015 SUPERNUS PHARMACEUTICALS, INC. Director Sell 37.5 -16,179 -0.41% ✗ $264.5K
Nov 17, 2015 Nov 18, 2015 SUPERNUS PHARMACEUTICALS, INC. Director Sell 17.5 -93,000 -2.29% ✗ $1.5M
Nov 16, 2015 Nov 18, 2015 CRESCENT BIOPHARMA, INC. Director Sell 52.5 -452 -0.01% ✗ $3.1K
Nov 13, 2015 Nov 17, 2015 SUPERNUS PHARMACEUTICALS, INC. Director Sell 17.5 -119,650 -2.86% ✗ $1.9M
Oct 5, 2015 Oct 6, 2015 SYNLOGIC, INC. 10% Owner Buy 100.0 +1,146,308 21.08% ✗ $6M
Jun 17, 2015 Jun 19, 2015 SUPERNUS PHARMACEUTICALS, INC. Director Sell 17.5 -111,881 -1.43% ✗ $1.8M
Jun 15, 2015 Jun 17, 2015 SUPERNUS PHARMACEUTICALS, INC. Director Sell 20.0 -2,823,071 -22.61% ✗ $928.7K
Jun 5, 2015 Jun 9, 2015 ARDELYX, INC. 10% Owner Buy 100.0 +1,869,159 33.26% ✗ $20M
Dec 23, 2014 Dec 29, 2014 ARDELYX, INC. 10% Owner Sell 47.5 -10,000 -0.18% ✗ $54.7K
Aug 27, 2014 Aug 29, 2014 Viracta Therapeutics, Inc. 10% Owner Sell 17.5 -266,700 -5.41% ✗ $2.1M
Aug 8, 2014 Aug 12, 2014 Viracta Therapeutics, Inc. 10% Owner Sell 17.5 -710,540 -12.61% ✗ $4.7M
Jan 15, 2014 Jan 15, 2014 CRESCENT BIOPHARMA, INC. Director Buy 100.0 +1,000,000 13.20% ✗ $8M
Dec 3, 2013 Dec 5, 2013 GYRE THERAPEUTICS, INC. 10% Owner Sell 40.0 -16,000 -0.35% ✗ $85.9K
Nov 21, 2013 Nov 22, 2013 GYRE THERAPEUTICS, INC. 10% Owner Sell 51.3 -5,333 -0.12% ✗ $27.5K
Jun 30, 2010 Jul 2, 2010 Viracta Therapeutics, Inc. 10% Owner Buy 100.0 +23,824,451 100.00% ✗ $6.6M