Nielsen Jack (CIK 0001602402)

Latest company ownership

Shares held
2,571,024
Last filed at
Dec 16, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q3 2025Q4
IOBT - IO Biotech, Inc.
Role: Director
Shares held
41,533
Last filed at
Jun 13, 2023
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q4 2025Q4
TIL - Instil Bio, Inc.
Role: Director
Shares held
1,500
Last filed at
Jan 10, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 14, 2022 Dec 16, 2022 Harmony Biosciences Holdings, Inc. Director Sell 50.0 -2,834 -0.11% ✓ $169.9K
Dec 7, 2022 Dec 9, 2022 Harmony Biosciences Holdings, Inc. Director Sell 31.3 -110,751 -4.13% ✓ $6.7M
Nov 29, 2022 Dec 1, 2022 Harmony Biosciences Holdings, Inc. Director Sell 31.3 -129,652 -4.61% ✓ $7.7M
Nov 18, 2022 Nov 22, 2022 Harmony Biosciences Holdings, Inc. Director Sell 36.3 -77,600 -2.68% ✓ $4.4M
Nov 11, 2022 Nov 15, 2022 Harmony Biosciences Holdings, Inc. Director Sell 26.3 -158,400 -5.19% ✓ $9.1M
Aug 4, 2022 Aug 8, 2022 Harmony Biosciences Holdings, Inc. Director Sell 15.0 -250,000 -7.58% ✗ $13.2M
Aug 2, 2022 Aug 3, 2022 Harmony Biosciences Holdings, Inc. Director Sell 36.3 -75,117 -2.23% ✓ $4.1M
Jul 18, 2022 Jul 20, 2022 Harmony Biosciences Holdings, Inc. Director Sell 40.0 -40,087 -1.17% ✓ $2.2M
Jul 13, 2022 Jul 15, 2022 Harmony Biosciences Holdings, Inc. Director Sell 47.5 -5,773 -0.17% ✓ $317.7K
Jul 8, 2022 Jul 12, 2022 Harmony Biosciences Holdings, Inc. Director Sell 46.3 -10,768 -0.31% ✓ $592.8K
Jul 5, 2022 Jul 7, 2022 Harmony Biosciences Holdings, Inc. Director Sell 21.3 -300,741 -8.06% ✓ $16.7M
Jun 29, 2022 Jul 1, 2022 Harmony Biosciences Holdings, Inc. Director Sell 46.3 -14,571 -0.39% ✓ $758.8K
Jun 24, 2022 Jun 28, 2022 Harmony Biosciences Holdings, Inc. Director Sell 35.0 -100,463 -2.61% ✓ $5.3M
Apr 21, 2022 Apr 25, 2022 Harmony Biosciences Holdings, Inc. Director Sell 47.5 -6,554 -0.17% ✓ $342.1K
Apr 18, 2022 Apr 20, 2022 Harmony Biosciences Holdings, Inc. Director Sell 31.3 -132,258 -3.32% ✓ $6.9M
Apr 12, 2022 Apr 14, 2022 Harmony Biosciences Holdings, Inc. Director Sell 41.3 -119,829 -0.98% ✓ $6.1M
Apr 7, 2022 Apr 11, 2022 Harmony Biosciences Holdings, Inc. Director Sell 47.5 -11,165 -0.14% ✓ $560.1K
Apr 4, 2022 Apr 6, 2022 Harmony Biosciences Holdings, Inc. Director Sell 43.8 -21,394 -0.26% ✓ $1.1M
Mar 30, 2022 Apr 1, 2022 Harmony Biosciences Holdings, Inc. Director Sell 43.8 -37,391 -0.30% ✓ $1.9M
Mar 25, 2022 Mar 29, 2022 Harmony Biosciences Holdings, Inc. Director Sell 41.3 -114,121 -0.89% ✓ $5.8M
Mar 22, 2022 Mar 24, 2022 Harmony Biosciences Holdings, Inc. Director Sell 43.8 -36,294 -0.28% ✓ $1.8M
Mar 17, 2022 Mar 21, 2022 Harmony Biosciences Holdings, Inc. Director Sell 47.5 -16,181 -0.19% ✓ $810.4K
Nov 9, 2021 Nov 12, 2021 IO Biotech, Inc. Director Buy 100.0 +650,000 27.48% ✗ $9.1M
Mar 23, 2021 Mar 25, 2021 Instil Bio, Inc. Director Buy 88.8 +300,000 2.46% ✗ $6M
Aug 25, 2020 Aug 27, 2020 Harmony Biosciences Holdings, Inc. Director Buy 95.0 +4,745 12.50% ✗ $162.7K
Aug 20, 2020 Aug 24, 2020 Harmony Biosciences Holdings, Inc. Director Buy 100.0 +37,957 100.00% ✗ $1M