Rambus Inc. filings document the reporting obligations of a Nasdaq-listed semiconductor company with common stock registered under the Exchange Act. Recent 8-K reports disclose operating and financial results, earnings-release exhibits, executive appointments and departures, board matters, and other material-event updates tied to the company’s chips, silicon IP, licensing, and product revenue model.
Proxy and shareholder-vote filings describe director elections, auditor ratification, executive compensation votes, governance practices, and voting outcomes from annual meetings. The filing record also includes capital-structure disclosure for Rambus common stock, material agreements and governance matters, and formal exhibits that support the company’s periodic financial and corporate-event reporting.
Rambus Inc. director Steven Laub received an equity grant of 2,223 shares of common stock in the form of restricted stock units (RSUs). These RSUs vest on April 1, 2027, or the first business day thereafter, at which time each unit converts into one share of RMBS common stock.
Following this grant, Laub holds 9,019 shares of Rambus common stock directly, indicating this is a relatively small, routine compensation-related award rather than an open-market purchase or sale.
Rao Meera reported acquisition or exercise transactions in this Form 4 filing.
Rambus Inc. director Meera Rao received a grant of 2,223 restricted stock units (RSUs) of Rambus common stock. The award was recorded at a price of $0.00 per share, reflecting a compensation grant rather than a market purchase.
All 2,223 RSUs vest on April 1, 2027, or the first business day thereafter, and each RSU represents the right to receive one share of Rambus common stock. Following this grant, Rao directly holds 31,484 shares, indicating a routine equity-based compensation award rather than an open-market transaction.
Sayiner Necip reported acquisition or exercise transactions in this Form 4 filing.
Rambus Inc. director Necip Sayiner received an equity award of 2,223 shares of common stock on April 1, 2026. The award is in the form of restricted stock units, with each RSU representing the right to receive one share of RMBS common stock. All RSUs vest on April 1, 2027, or the first business day thereafter. Following this grant, Sayiner directly holds 33,047 shares of Rambus common stock.
Rambus Inc. director Eric B. Stang received an equity grant of 2,223 shares of Common Stock in the form of restricted stock units (RSUs). The RSUs vest on April 1, 2027, or the first business day thereafter, and each RSU converts into one share of RMBS common stock upon vesting.
After this grant, Stang holds 2,223 shares directly from this RSU award and 24,218 shares indirectly through the Stang Family Trust dated September 2, 2004, for which he serves as a trustee.
Rambus Inc. director Victor Peng reported an acquisition of company equity through a stock award. He received 2,223 restricted stock units (RSUs), each representing the contingent right to receive one share of RMBS common stock. All RSUs vest on April 1, 2027 or the first business day thereafter. Following this grant, Peng directly holds 2,391 shares of Rambus common stock.
KISSNER CHARLES reported acquisition or exercise transactions in this Form 4 filing.
Rambus Inc. director Charles Kissner received an equity award of 2,223 restricted stock units (RSUs) of common stock. The RSUs were granted at no cash cost on April 1, 2026 and each unit represents the right to receive one RMBS share.
All 2,223 RSUs vest on April 1, 2027 or the first business day thereafter. Following this grant, Kissner directly holds 40,545 common shares, and an additional 18,747 shares are held indirectly through Kissner and Associates LLC, where he is the owner.
Rambus Inc. senior vice president and general counsel John Shinn received 5,558 shares of common stock in the form of restricted stock units (RSUs). The RSUs vest in four equal annual installments beginning on April 1, 2027, with each RSU representing one share of RMBS common stock.
On the same date, 1,913 shares were withheld at $89.95 per share to cover his tax liability related to RSU vesting. After these compensation-related transactions, Shinn directly holds 22,112 shares of Rambus common stock.
Rambus Inc. President and CEO Luc Seraphin reported equity compensation activity and a modest share sale. On April 1, 2026, he received 32,684 shares of Common Stock as a grant, represented by restricted stock units that vest in four equal annual installments beginning on April 1, 2027.
Also on April 1, 12,561 shares were withheld at $89.95 per share to cover his tax liability related to RSU vesting. On April 2, 2026, he executed open-market sales totaling 5,426 shares of Common Stock at weighted average prices of $86.0396, $87.1145, and $88.3501, under a pre-arranged Rule 10b5-1 trading plan. Following these transactions, he directly holds 345,767 shares of Rambus Common Stock.
Rambus EVP and COO Fan Xianzhi Sean reported routine equity compensation and tax withholding transactions. On April 1, 2026, he received 22,234 restricted stock units (RSUs), each representing one share of Rambus common stock, vesting in four equal annual installments beginning on April 1, 2027.
On the same date, 9,916 shares of common stock were withheld at $89.95 per share to cover tax liabilities arising from RSU vesting. After these transactions, he directly held 206,272 shares of Rambus common stock.
Rambus Chief Accounting Officer John K. Allen reported equity compensation and related tax withholding transactions in company stock. He received 2,779 restricted stock units, each representing a right to one share of Rambus common stock, vesting in four equal annual installments starting on April 1, 2027. On the same date, 495 shares and 658 shares of common stock were withheld at $89.95 per share to cover tax liabilities from RSU vesting, rather than being sold on the open market. Following these transactions, Allen directly holds 18,262 shares of Rambus common stock, which include shares acquired through the Rambus Inc. 2015 Employee Stock Purchase Plan.