Grunberg Gregory (CIK 0001711080)

Latest company ownership

Role: Director
Shares held
5,411,860
Last filed at
Jun 21, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q3 2025Q4
Role: Director
Shares held
850
Last filed at
Nov 18, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Apr 21, 2021 Apr 23, 2021 89bio, Inc. Director Sell 51.3 -850 -0.05% $23.5K
Jul 10, 2020 Jul 14, 2020 89bio, Inc. Director Buy 92.5 +109,090 4.38% $3M
Mar 13, 2020 Mar 16, 2020 KALA BIO, Inc. Director Buy 100.0 +2,534,854 88.11% $20M
Nov 11, 2019 Nov 13, 2019 89bio, Inc. Director Buy 100.0 +575,000 100.00% $9.2M
Oct 5, 2018 Oct 9, 2018 KALA BIO, Inc. Director Buy 100.0 +606,060 26.69% $5M
Jul 25, 2017 Jul 26, 2017 KALA BIO, Inc. Director Buy 100.0 +215,000 10.46% $3.2M