Mott David M (CIK 0001219871)

Latest company ownership

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
3,736,243
Last filed at
Jul 24, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q3 2025Q4
Shares held
3,580,877
Last filed at
Jan 15, 2014
Confidence Score
50.0
2025Q4
Confidence Score History
2014Q1 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
Shares held
1,938,562
Last filed at
May 13, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q2 2025Q4
Shares held
1,583,214
Last filed at
Jul 1, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q1 2025Q4
Shares held
267,935
Last filed at
Nov 12, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q4 2025Q4
Shares held
229,224
Last filed at
Jun 3, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2022Q1 2025Q4
Shares held
55,000
Last filed at
Jun 12, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q3 2025Q4
ARDX - ARDELYX, INC.
Role: Director
Shares held
54,059
Last filed at
Jun 23, 2025
Confidence Score
53.1
2025Q4
Confidence Score History
2015Q2 2025Q4
NVAX - NOVAVAX INC
Role: Director
Shares held
10,420
Last filed at
Jun 13, 2025
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q3 2025Q4
Shares held
0
Last filed at
Feb 27, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jun 16, 2025 Jun 18, 2025 ARDELYX, INC. Director Buy 92.5 +200,000 7.42% ✗ $725.9K
Jun 9, 2025 Jun 11, 2025 ARDELYX, INC. Director Buy 92.5 +200,000 8.01% ✗ $737.3K
May 15, 2025 May 19, 2025 ARDELYX, INC. Director Buy 90.0 +100,000 4.17% ✗ $329.1K
May 2, 2025 May 5, 2025 ARDELYX, INC. Director Buy 100.0 +381,377 18.92% ✗ $1.6M
Feb 24, 2025 Feb 26, 2025 ARDELYX, INC. Director Buy 90.0 +77,729 4.01% ✗ $388.7K
Jan 21, 2025 Jan 22, 2025 ARDELYX, INC. Director Buy 97.5 +199,000 11.44% ✗ $992.7K
Dec 19, 2024 Dec 23, 2024 ARDELYX, INC. Director Buy 97.5 +213,300 14.96% ✗ $996.6K
Nov 13, 2024 Nov 14, 2024 ARDELYX, INC. Director Buy 97.5 +215,868 17.85% ✗ $996.6K
Nov 17, 2022 Nov 17, 2022 ARDELYX, INC. Director Buy 100.0 +567,000 94.54% ✗ $1M
Feb 18, 2022 Feb 23, 2022 Enliven Therapeutics, Inc. Director Buy 95.0 +151,472 194.81% ✗ $219.7K
Feb 15, 2022 Feb 17, 2022 Enliven Therapeutics, Inc. Director Buy 95.0 +45,926 144.30% ✗ $54.7K
Feb 10, 2022 Feb 14, 2022 Enliven Therapeutics, Inc. Director Buy 91.3 +31,826 100.00% ✗ $39.2K
Sep 23, 2021 Sep 24, 2021 NOVAVAX INC Director Sell 16.3 -24,961 -38.42% ✗ $6.3M
Dec 10, 2020 Dec 10, 2020 ARDELYX, INC. Director Buy 100.0 +170,000 68.75% ✗ $1M
Jun 24, 2020 Jun 26, 2020 ARDELYX, INC. Director Buy 97.5 +140,971 132.60% ✗ $965.9K
Jun 22, 2020 Jun 24, 2020 ARDELYX, INC. Director Buy 83.8 +4,673 4.60% ✗ $31.5K
Apr 7, 2020 Apr 9, 2020 Mersana Therapeutics, Inc. Director Buy 100.0 +538,599 100.00% ✗ $3M
Jan 24, 2020 Jan 28, 2020 Adaptimmune Therapeutics PLC Director Buy 96.3 +7,500,000 7.90% ✗ $5M
Nov 12, 2019 Nov 12, 2019 Galera Therapeutics, Inc. 10% Owner Buy 100.0 +416,666 10.57% ✗ $5M
Jul 22, 2019 Jul 24, 2019 Mirum Pharmaceuticals, Inc. 10% Owner Buy 100.0 +450,000 12.04% ✗ $6.8M
May 9, 2019 May 13, 2019 Trevi Therapeutics, Inc. 10% Owner Buy 100.0 +2,500,000 128.96% ✗ $25M
Mar 5, 2019 Mar 6, 2019 Mersana Therapeutics, Inc. Director Buy 100.0 +3,750,000 46.07% ✗ $15M
Sep 7, 2018 Sep 10, 2018 Adaptimmune Therapeutics PLC Director Buy 100.0 +15,000,000 18.76% ✗ $25M
Mar 26, 2018 Mar 28, 2018 Adaptimmune Therapeutics PLC Director Buy 97.5 +6,571,164 8.95% ✗ $12.6M
Mar 21, 2018 Mar 23, 2018 Adaptimmune Therapeutics PLC Director Buy 87.5 +1,268,508 1.76% ✗ $2.4M
Feb 26, 2018 Feb 27, 2018 Oruka Therapeutics, Inc. 10% Owner Sell 20.0 -1,460,209 -100.00% ✗ $731.3K
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. Director Buy 100.0 +1,000,000 14.01% ✗ $15M
Mar 27, 2017 Mar 28, 2017 Adaptimmune Therapeutics PLC Director Buy 100.0 +12,870,000 21.71% ✗ $9M
Jul 18, 2016 Jul 20, 2016 ARDELYX, INC. Director Buy 100.0 +1,527,301 40.00% ✗ $13.3M
Jan 13, 2016 Jan 14, 2016 ARDELYX, INC. Director Buy 100.0 +1,000,000 35.59% ✗ $10M
Oct 5, 2015 Oct 6, 2015 SYNLOGIC, INC. 10% Owner Buy 100.0 +1,146,308 21.08% ✗ $6M
Jun 5, 2015 Jun 9, 2015 ARDELYX, INC. Director Buy 100.0 +2,803,738 100.00% ✗ $30M
Jan 15, 2014 Jan 15, 2014 CRESCENT BIOPHARMA, INC. 10% Owner Buy 100.0 +512,500 14.31% ✗ $4.1M