Black Ronald D (CIK 0001222711)

Latest company ownership

Role: CEO
Shares held
217,755
Last filed at
Feb 5, 2018
Confidence Score
50.0
2025Q4
Confidence Score History
2013Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 1, 2018 Feb 5, 2018 RAMBUS INC CEO Sell 100.0 +174,525 21.77% $1.2M
Jun 8, 2017 Jun 12, 2017 RAMBUS INC CEO Sell 22.5 -12,750 -1.98% $154.8K
May 1, 2017 May 3, 2017 RAMBUS INC CEO Buy 61.3 +2,057 0.32% $21.2K
Feb 1, 2017 Feb 3, 2017 RAMBUS INC CEO Sell 95.0 +282,623 78.67% $177.4K
Jul 21, 2016 Jul 22, 2016 RAMBUS INC CEO Sell 20.0 -29,528 -7.60% $399K
May 2, 2016 May 3, 2016 RAMBUS INC CEO Buy 68.8 +2,372 0.61% $21.3K
May 1, 2015 May 1, 2015 RAMBUS INC CEO Buy 78.8 +2,201 1.99% $21.3K
May 1, 2014 May 2, 2014 RAMBUS INC CEO Buy 86.3 +2,863 5.41% $21.2K
Nov 1, 2013 Nov 1, 2013 RAMBUS INC CEO Buy 86.3 +3,631 7.37% $21.1K
May 1, 2013 May 1, 2013 RAMBUS INC CEO Buy 91.3 +5,000 11.29% $21.4K