Seraphin Luc (CIK 0001341984)

Latest company ownership

Role: CEO
Shares held
319,241
Last filed at
Apr 24, 2025
Confidence Score
51.3
2025Q4
Confidence Score History
2018Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Apr 22, 2025 Apr 24, 2025 RAMBUS INC CEO Sell 38.8 -7,603 -2.33% $354.6K
Apr 15, 2025 Apr 16, 2025 RAMBUS INC CEO Sell 38.8 -10,000 -2.97% $477.9K
Apr 8, 2025 Apr 8, 2025 RAMBUS INC CEO Sell 38.8 -10,000 -2.88% $468.1K
Apr 1, 2025 Apr 3, 2025 RAMBUS INC CEO Sell 97.5 +39,913 13.00% $778.8K
Mar 25, 2025 Mar 26, 2025 RAMBUS INC CEO Sell 35.0 -10,000 -3.16% $586.4K
Mar 18, 2025 Mar 19, 2025 RAMBUS INC CEO Sell 35.0 -10,000 -3.06% $537.9K
Feb 1, 2025 Feb 4, 2025 RAMBUS INC CEO Sell 100.0 +63,679 24.19% $7.7M
Apr 16, 2024 Apr 16, 2024 RAMBUS INC CEO Sell 38.8 -5,530 -2.06% $324.4K
Apr 9, 2024 Apr 10, 2024 RAMBUS INC CEO Sell 30.0 -15,000 -5.29% $920.3K
Apr 1, 2024 Apr 2, 2024 RAMBUS INC CEO Sell 92.5 +23,566 9.07% $899K
Mar 26, 2024 Mar 27, 2024 RAMBUS INC CEO Sell 30.0 -15,000 -5.46% $940.4K
Mar 19, 2024 Mar 20, 2024 RAMBUS INC CEO Sell 30.0 -15,000 -5.18% $875.3K
Mar 12, 2024 Mar 13, 2024 RAMBUS INC CEO Sell 35.0 -15,000 -4.92% $940.3K
Mar 5, 2024 Mar 6, 2024 RAMBUS INC CEO Sell 35.0 -15,000 -4.69% $932.6K
Feb 5, 2024 Feb 6, 2024 RAMBUS INC CEO Sell 20.0 -13,363 -4.01% $913.6K
Feb 1, 2024 Feb 2, 2024 RAMBUS INC CEO Sell 100.0 +77,786 30.46% $9.8M
May 15, 2023 May 16, 2023 RAMBUS INC CEO Sell 47.5 -4,556 -0.59% $225K
May 8, 2023 May 9, 2023 RAMBUS INC CEO Sell 35.0 -12,500 -4.67% $599.8K
May 1, 2023 May 2, 2023 RAMBUS INC CEO Sell 35.0 -12,500 -4.46% $560.4K
Apr 24, 2023 Apr 25, 2023 RAMBUS INC CEO Sell 35.0 -12,500 -4.28% $617.7K
Apr 17, 2023 Apr 18, 2023 RAMBUS INC CEO Sell 35.0 -12,500 -4.10% $619.7K
Apr 10, 2023 Apr 11, 2023 RAMBUS INC CEO Sell 35.0 -12,500 -3.94% $608.6K
Apr 3, 2023 Apr 4, 2023 RAMBUS INC CEO Sell 35.0 -12,500 -3.79% $641K
Mar 27, 2023 Mar 28, 2023 RAMBUS INC CEO Sell 35.0 -12,500 -3.65% $562.3K
Mar 20, 2023 Mar 21, 2023 RAMBUS INC CEO Sell 35.0 -12,500 -3.52% $552.5K
Mar 13, 2023 Mar 14, 2023 RAMBUS INC CEO Sell 35.0 -12,500 -3.40% $513.3K
Mar 6, 2023 Mar 7, 2023 RAMBUS INC CEO Sell 35.0 -12,500 -3.29% $560.3K
Feb 3, 2023 Feb 6, 2023 RAMBUS INC CEO Sell 100.0 +123,429 48.17% $7.1M
Feb 1, 2023 Feb 2, 2023 RAMBUS INC CEO Sell 95.0 +14,353 5.93% $1.5M
Apr 25, 2022 Apr 27, 2022 RAMBUS INC CEO Sell 37.5 -8,313 -3.34% $210.3K
Apr 18, 2022 Apr 19, 2022 RAMBUS INC CEO Sell 42.5 -12,500 -1.65% $322.1K
Apr 11, 2022 Apr 12, 2022 RAMBUS INC CEO Sell 35.0 -12,500 -4.74% $323.3K
Apr 4, 2022 Apr 5, 2022 RAMBUS INC CEO Sell 35.0 -12,500 -4.53% $392.9K
Mar 28, 2022 Mar 30, 2022 RAMBUS INC CEO Sell 35.0 -12,500 -4.33% $403.8K
Mar 21, 2022 Mar 22, 2022 RAMBUS INC CEO Sell 35.0 -12,500 -4.15% $388.7K
Mar 14, 2022 Mar 15, 2022 RAMBUS INC CEO Sell 35.0 -12,500 -3.98% $333.4K
Mar 7, 2022 Mar 9, 2022 RAMBUS INC CEO Sell 35.0 -12,500 -3.83% $351.4K
Feb 3, 2022 Feb 7, 2022 RAMBUS INC CEO Sell 20.0 -13,088 -3.86% $328.1K
Feb 1, 2022 Feb 2, 2022 RAMBUS INC CEO Sell 100.0 +122,794 56.72% $3.1M
Feb 3, 2021 Feb 4, 2021 RAMBUS INC CEO Sell 22.5 -25,000 -10.43% $478.8K
Feb 1, 2021 Feb 3, 2021 RAMBUS INC CEO Sell 100.0 +31,629 15.21% $1.1M
Jan 4, 2021 Jan 5, 2021 RAMBUS INC CEO Sell 52.5 -1,779 -0.43% $31.2K
Dec 3, 2020 Dec 4, 2020 RAMBUS INC CEO Sell 45.0 -5,930 -1.41% $96.8K
Nov 5, 2020 Nov 9, 2020 RAMBUS INC CEO Sell 48.8 -2,745 -1.30% $42.2K
Sep 16, 2020 Sep 17, 2020 RAMBUS INC CEO Sell 48.8 -2,425 -1.15% $34K
Sep 3, 2020 Sep 8, 2020 RAMBUS INC CEO Sell 52.5 -759 -0.36% $10.7K
Jun 3, 2020 Jun 4, 2020 RAMBUS INC CEO Sell 41.3 -5,930 -2.77% $92.8K
May 5, 2020 May 7, 2020 RAMBUS INC CEO Sell 45.0 -7,077 -1.67% $103K
Mar 23, 2020 Mar 24, 2020 RAMBUS INC CEO Sell 32.5 -15,733 -7.09% $153.6K
Feb 3, 2020 Feb 5, 2020 RAMBUS INC CEO Sell 100.0 +36,834 19.90% $1M
Jan 29, 2020 Jan 30, 2020 RAMBUS INC CEO Sell 22.5 -21,959 -10.60% $340.4K
Dec 26, 2019 Dec 30, 2019 RAMBUS INC CEO Sell 37.5 -6,543 -3.41% $91.8K
Dec 2, 2019 Dec 4, 2019 RAMBUS INC CEO Sell 37.5 -7,431 -3.86% $95K
Nov 1, 2019 Nov 4, 2019 RAMBUS INC CEO Sell 17.5 -36,150 -15.81% $503.8K
Sep 13, 2019 Sep 16, 2019 RAMBUS INC CEO Sell 22.5 -29,855 -11.55% $417.6K
Jul 3, 2019 Jul 8, 2019 RAMBUS INC CEO Sell 32.5 -18,287 -7.40% $219.2K
Jul 2, 2019 Jul 2, 2019 RAMBUS INC CEO Sell 22.5 -11,495 -4.45% $139.2K
May 2, 2019 May 6, 2019 RAMBUS INC CEO Sell 48.8 -2,674 -1.02% $30.5K
Mar 13, 2019 Mar 14, 2019 RAMBUS INC CEO Sell 22.5 -37,825 -12.77% $388.1K
Feb 1, 2019 Feb 5, 2019 RAMBUS INC CEO Sell 95.0 +96,800 48.52% $170.7K
Dec 3, 2018 Dec 4, 2018 RAMBUS INC CEO Sell 26.3 -2,570 -1.27% $22.9K