Sandell Scott D (CIK 0001237289)

Latest company ownership

Shares held
82,978,668
Last filed at
Jan 28, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q1 2025Q4
SVRA - Savara Inc
Role: 10% Owner
Shares held
24,471,264
Last filed at
Jul 19, 2023
Confidence Score
50.0
2025Q4
Confidence Score History
2023Q3 2025Q4
Shares held
19,476,414
Last filed at
Apr 29, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2016Q1 2025Q4
Shares held
4,659,333
Last filed at
Aug 29, 2014
Confidence Score
50.0
2025Q4
Confidence Score History
2010Q2 2025Q4
BZFD - BuzzFeed, Inc.
Role: 10% Owner
Shares held
3,401,499
Last filed at
Mar 14, 2025
Confidence Score
49.4
2025Q4
Confidence Score History
2025Q1 2025Q4
NET - Cloudflare, Inc.
Role: Director
Shares held
3,290,491
Last filed at
Feb 25, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q2 2025Q4
Shares held
3,000,000
Last filed at
Apr 13, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q2 2025Q4
Shares held
2,927,708
Last filed at
Oct 10, 2017
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q4 2025Q4
SYBX - SYNLOGIC, INC.
Role: 10% Owner
Shares held
2,922,773
Last filed at
Oct 6, 2023
Confidence Score
50.0
2025Q4
Confidence Score History
2015Q4 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
2,611,050
Last filed at
Apr 7, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q1 2025Q4
Shares held
2,237,196
Last filed at
Jan 27, 2023
Confidence Score
50.0
2025Q4
Confidence Score History
2014Q1 2025Q4
MBX - MBX Biosciences, Inc.
Role: 10% Owner
Shares held
2,091,383
Last filed at
Sep 17, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2024Q3 2025Q4
Shares held
1,989,872
Last filed at
Apr 15, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q2 2025Q4
NKTX - Nkarta, Inc.
Role: 10% Owner
Shares held
1,712,810
Last filed at
Jul 16, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q3 2025Q4
Shares held
1,625,678
Last filed at
Dec 23, 2024
Confidence Score
50.1
2025Q4
Confidence Score History
2021Q1 2025Q4
NEUE - NeueHealth, Inc.
Role: Director
Shares held
1,352,200
Last filed at
Oct 6, 2025
Confidence Score
32.2
2025Q4
Confidence Score History
2021Q2 2025Q4
KRRO - Korro Bio, Inc.
Role: 10% Owner
Shares held
1,090,793
Last filed at
Apr 24, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2024Q2 2025Q4
Shares held
859,375
Last filed at
Mar 10, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q1 2025Q4
Shares held
669,002
Last filed at
Jun 30, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q2 2025Q4
Shares held
267,935
Last filed at
Nov 12, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q4 2025Q4
Shares held
212,650
Last filed at
Nov 12, 2015
Confidence Score
50.0
2025Q4
Confidence Score History
2015Q2 2025Q4
CVRX - CVRx, Inc.
Role: 10% Owner
Shares held
92,951
Last filed at
Jul 7, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q3 2025Q4
BE - Bloom Energy Corp
Role: Director
Shares held
55,751
Last filed at
Apr 1, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q3 2025Q4
SPT - Sprout Social, Inc.
Role: 10% Owner
Shares held
20,578
Last filed at
Nov 17, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q3 2025Q4
Shares held
11,348
Last filed at
Jun 15, 2023
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q3 2025Q4
Shares held
6,997
Last filed at
Jan 31, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2023Q3 2025Q4
IONQ - IonQ, Inc.
Role: 10% Owner
Shares held
1,141
Last filed at
Nov 18, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2022Q2 2025Q4
Shares held
829
Last filed at
Sep 16, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q3 2025Q4
ARDX - ARDELYX, INC.
Role: 10% Owner
Shares held
43
Last filed at
Jun 12, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2014Q4 2025Q4
ACLX - Arcellx, Inc.
Role: 10% Owner
Shares held
0
Last filed at
Dec 22, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2022Q1 2025Q4
Shares held
0
Last filed at
May 4, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2022Q1 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)
Oct 2, 2025 Oct 6, 2025 NeueHealth, Inc. Director Sell 26.3 -6,229,226 -32.57% ✗ $39.5K
Mar 12, 2025 Mar 14, 2025 BuzzFeed, Inc. 10% Owner Sell 20.0 -362,966 -9.64% ✗ $798K
Mar 7, 2025 Mar 11, 2025 BuzzFeed, Inc. 10% Owner Sell 22.5 -47,477 -1.25% ✗ $96.2K
Mar 4, 2025 Mar 6, 2025 BuzzFeed, Inc. 10% Owner Sell 36.3 -21,531 -0.56% ✗ $44.6K
Dec 23, 2024 Dec 23, 2024 Marker Therapeutics, Inc. 10% Owner Buy 100.0 +554,250 51.73% ✗ $1.8M
Sep 16, 2024 Sep 17, 2024 MBX Biosciences, Inc. 10% Owner Buy 100.0 +500,000 16.05% ✗ $8M
Apr 22, 2024 Apr 24, 2024 Korro Bio, Inc. 10% Owner Buy 85.0 +17,857 1.66% ✗ $1000K
Nov 20, 2023 Nov 22, 2023 Cloudflare, Inc. Director Sell 2.5 -211,534 -49.26% ✓ $15.5M
Aug 7, 2023 Aug 9, 2023 Cloudflare, Inc. Director Sell 17.5 -1,238,932 -73.81% ✗ $1.3M
Jul 18, 2023 Jul 20, 2023 Sagimet Biosciences Inc. 10% Owner Buy 67.5 +29,338 0.38% ✗ $469.4K
Jul 17, 2023 Jul 19, 2023 Savara Inc 10% Owner Buy 85.0 +333,333 1.38% ✗ $1000K
Jan 25, 2023 Jan 27, 2023 CRESCENT BIOPHARMA, INC. 10% Owner Sell 15.0 -3,652,016 -42.37% ✗ $11.5M
Jan 5, 2023 Jan 6, 2023 CRESCENT BIOPHARMA, INC. 10% Owner Sell 32.5 -71,362 -0.82% ✗ $196.9K
Dec 30, 2022 Jan 4, 2023 CRESCENT BIOPHARMA, INC. 10% Owner Sell 17.5 -398,133 -4.38% ✗ $1.2M
Dec 23, 2022 Dec 27, 2022 Arcellx, Inc. 10% Owner Sell 51.3 -390 -0.01% ✗ $12.4K
Dec 20, 2022 Dec 22, 2022 Arcellx, Inc. 10% Owner Sell 27.5 -1,998,378 -29.63% ✗ $5.5K
Jun 21, 2022 Jun 23, 2022 Arcellx, Inc. 10% Owner Buy 93.8 +312,500 4.86% ✗ $5M
Jun 14, 2022 Jun 16, 2022 Cloudflare, Inc. Director Sell 47.5 -2,441 -0.58% ✓ $99.9K
May 26, 2022 May 31, 2022 IonQ, Inc. 10% Owner Sell 15.0 -2,922,966 -10.00% ✗ $17.1M
May 12, 2022 May 16, 2022 Robinhood Markets, Inc. Director Sell 47.5 -8,792 -0.04% ✗ $73.9K
May 2, 2022 May 4, 2022 Robinhood Markets, Inc. Director Sell 26.3 -23,805,233 -49.94% ✗ $19.6K
Apr 11, 2022 Apr 13, 2022 Trevi Therapeutics, Inc. 10% Owner Buy 100.0 +3,580,526 45.96% ✗ $6.8M
Apr 5, 2022 Apr 7, 2022 Enliven Therapeutics, Inc. 10% Owner Sell 20.0 -694,551 -21.01% ✗ $751.3K
Feb 14, 2022 Feb 15, 2022 Cloudflare, Inc. Director Sell 42.5 -6,622 -1.55% ✓ $701.2K
Feb 8, 2022 Feb 9, 2022 Arcellx, Inc. 10% Owner Buy 100.0 +1,583,333 32.65% ✗ $23.7M
Jan 28, 2022 Feb 1, 2022 Robinhood Markets, Inc. Director Sell 26.3 -23,847,675 -33.35% ✗ $29.6K
Jan 21, 2022 Jan 25, 2022 Enliven Therapeutics, Inc. 10% Owner Sell 22.5 -134,558 -3.91% ✗ $202.2K
Jan 18, 2022 Jan 20, 2022 Enliven Therapeutics, Inc. 10% Owner Sell 36.3 -26,555 -0.77% ✗ $48.7K
Jan 12, 2022 Jan 14, 2022 Enliven Therapeutics, Inc. 10% Owner Sell 36.3 -21,550 -0.62% ✗ $41.8K
Jan 7, 2022 Jan 11, 2022 Enliven Therapeutics, Inc. 10% Owner Sell 36.3 -18,760 -0.53% ✗ $38.7K
Jan 4, 2022 Jan 6, 2022 Enliven Therapeutics, Inc. 10% Owner Sell 32.5 -31,916 -0.90% ✗ $72.2K
Dec 30, 2021 Jan 3, 2022 Enliven Therapeutics, Inc. 10% Owner Sell 20.0 -116,476 -3.19% ✗ $266.9K
Dec 27, 2021 Dec 29, 2021 Enliven Therapeutics, Inc. 10% Owner Sell 22.5 -67,427 -1.81% ✗ $159.5K
Dec 9, 2021 Dec 27, 2021 ARDELYX, INC. 10% Owner Sell 17.5 -2,881,570 -21.14% ✗ $3.6M
Dec 9, 2021 Dec 27, 2021 Enliven Therapeutics, Inc. 10% Owner Sell 20.0 -291,152 -7.25% ✗ $688.5K
Jul 2, 2021 Jul 7, 2021 CVRx, Inc. 10% Owner Buy 100.0 +250,250 12.84% ✗ $4.5M
Jun 28, 2021 Jun 30, 2021 NeueHealth, Inc. 10% Owner Buy 95.0 +1,944,444 2.78% ✗ $35M
Jun 28, 2021 Jun 30, 2021 Monte Rosa Therapeutics, Inc. 10% Owner Buy 100.0 +1,050,000 15.81% ✗ $20M
Apr 13, 2021 Apr 15, 2021 OnKure Therapeutics, Inc. 10% Owner Buy 100.0 +666,666 16.19% ✗ $10M
Mar 16, 2021 Mar 18, 2021 Marker Therapeutics, Inc. 10% Owner Buy 100.0 +5,714,285 114.29% ✗ $10M
Nov 19, 2020 Nov 20, 2020 Cloudflare, Inc. Director Sell 15.0 -337,404 -9.85% ✗ $22.3M
Nov 16, 2020 Nov 18, 2020 Cloudflare, Inc. Director Sell 15.0 -450,579 -11.62% ✗ $29.4M
Nov 11, 2020 Nov 13, 2020 Cloudflare, Inc. Director Sell 16.3 -12,265,641 -75.98% ✗ $5.5M
Aug 19, 2020 Aug 21, 2020 Cloudflare, Inc. Director Sell 15.0 -439,300 -12.85% ✗ $17.6M
Aug 14, 2020 Aug 18, 2020 Cloudflare, Inc. Director Sell 16.3 -250,700 -6.83% ✗ $9.9M
Aug 17, 2020 Aug 18, 2020 Sprout Social, Inc. 10% Owner Sell 15.0 -3,441,846 -38.14% ✗ $94.7M
Aug 11, 2020 Aug 13, 2020 Cloudflare, Inc. Director Sell 15.0 -615,846 -14.37% ✗ $23.6M
Aug 7, 2020 Aug 10, 2020 Cloudflare, Inc. Director Sell 17.5 -19,579,956 -82.04% ✗ $3.4M
Jul 14, 2020 Jul 16, 2020 Nkarta, Inc. 10% Owner Buy 100.0 +666,666 29.82% ✗ $12M
Jun 15, 2020 Jun 17, 2020 ARDELYX, INC. 10% Owner Sell 52.5 -43 0.00% ✗ $273.9
Jun 10, 2020 Jun 12, 2020 ARDELYX, INC. 10% Owner Sell 20.0 -2,485,605 -15.41% ✗ $573.1K
May 19, 2020 May 21, 2020 Cloudflare, Inc. Director Sell 16.3 -5,221,452 -56.00% ✗ $9.6M
Apr 27, 2020 Apr 29, 2020 Senseonics Holdings, Inc. 10% Owner Sell 22.5 -271,235 -1.37% ✗ $165.6K
Apr 21, 2020 Apr 23, 2020 Senseonics Holdings, Inc. 10% Owner Sell 32.5 -165,061 -0.83% ✗ $105.9K
Apr 16, 2020 Apr 20, 2020 Senseonics Holdings, Inc. 10% Owner Sell 22.5 -203,584 -1.01% ✗ $138.9K
Apr 13, 2020 Apr 15, 2020 Senseonics Holdings, Inc. 10% Owner Sell 32.5 -178,317 -0.88% ✗ $120K
Apr 13, 2020 Apr 14, 2020 Mersana Therapeutics, Inc. 10% Owner Sell 51.3 -2,198 -0.03% ✗ $19.9K
Apr 9, 2020 Apr 13, 2020 Mersana Therapeutics, Inc. 10% Owner Sell 22.5 -3,997,802 -33.43% ✗ $177.8K
Apr 3, 2020 Apr 13, 2020 Trevi Therapeutics, Inc. 10% Owner Sell 52.5 -564 -0.01% ✗ $1.5K
Aug 28, 2019 Apr 13, 2020 Mersana Therapeutics, Inc. 10% Owner Sell 52.5 -1,211 -0.01% ✗ $3.5K
Apr 7, 2020 Apr 9, 2020 Senseonics Holdings, Inc. 10% Owner Sell 22.5 -328,219 -1.59% ✗ $210.7K
Apr 2, 2020 Apr 6, 2020 Senseonics Holdings, Inc. 10% Owner Sell 22.5 -291,327 -1.39% ✗ $164.3K
Mar 30, 2020 Apr 1, 2020 Senseonics Holdings, Inc. 10% Owner Sell 22.5 -294,521 -1.39% ✗ $183.6K
Mar 25, 2020 Mar 27, 2020 Senseonics Holdings, Inc. 10% Owner Sell 20.0 -702,505 -3.21% ✗ $522.1K
Mar 16, 2020 Mar 16, 2020 Enliven Therapeutics, Inc. 10% Owner Buy 100.0 +475,000 13.42% ✗ $7.6M
Mar 6, 2020 Mar 10, 2020 CHAMPIONS ONCOLOGY, INC. 10% Owner Sell 17.5 -708,155 -29.24% ✗ $5M
Jan 24, 2020 Jan 28, 2020 Adaptimmune Therapeutics PLC 10% Owner 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. 10% Owner Buy 100.0 +3,750,000 46.07% ✗ $15M
Nov 12, 2018 Nov 13, 2018 ARDELYX, INC. 10% Owner Sell 52.5 -592 0.00% ✗ $1.8K
Sep 7, 2018 Sep 10, 2018 Adaptimmune Therapeutics PLC 10% Owner Buy 100.0 +15,000,000 18.76% ✗ $25M
Jul 27, 2018 Jul 31, 2018 Bloom Energy Corp Director Buy 100.0 +1,333,333 100.00% ✗ $20M
May 10, 2018 May 11, 2018 CRESCENT BIOPHARMA, INC. 10% Owner 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
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. 10% Owner Buy 100.0 +1,000,000 14.01% ✗ $15M
Jun 1, 2017 Jun 5, 2017 Senseonics Holdings, Inc. 10% Owner Buy 100.0 +7,092,198 47.86% ✗ $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 100.0 +2,290,951 19.43% ✗ $20M
Mar 23, 2016 Mar 23, 2016 Senseonics Holdings, Inc. 10% Owner Buy 100.0 +1,578,947 11.93% ✗ $4.5M
Jan 13, 2016 Jan 14, 2016 ARDELYX, INC. 10% Owner Buy 100.0 +1,500,000 14.57% ✗ $15M
Nov 16, 2015 Nov 18, 2015 CRESCENT BIOPHARMA, INC. 10% Owner Sell 52.5 -452 -0.01% ✗ $3.1K
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. 10% Owner Sell 17.5 -136,597 -1.76% ✗ $2.3M
Jun 15, 2015 Jun 17, 2015 SUPERNUS PHARMACEUTICALS, INC. 10% Owner Sell 17.5 -2,863,403 -26.91% ✗ $1.6M
Jun 5, 2015 Jun 9, 2015 ARDELYX, INC. 10% Owner Buy 100.0 +4,672,897 83.14% ✗ $50M
Dec 23, 2014 Dec 29, 2014 ARDELYX, INC. 10% Owner Sell 51.3 -9,408 -0.17% ✗ $42K
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. 10% Owner Buy 100.0 +1,000,000 13.20% ✗ $8M
Dec 5, 2013 Dec 5, 2013 GYRE THERAPEUTICS, INC. 10% Owner Sell 52.5 -1,000 -0.02% ✗ $5.1K
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