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▼ SELL 10b5-1 Plan

$ Value

$216K

Shares

2,511

Price

$86

Filed

Apr 3

Insider

Name

Seraphin Luc

Title

President and CEO

CIK

0001341984

Roles

Director Officer

Transaction Details

Transaction Date

2026-04-02

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

348,682

Footnotes

The shares are represented by RSUs which vest in four equal annual installments beginning on April 1, 2027 or the first business trading day thereafter. Each RSU represents a contingent right to receive one share of RMBS common stock. | The shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs. | The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted on November 11, 2025 | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $85.70 to $86.48, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $86.81 to $87.80, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. | The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $87.85 to $88.71, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Filing Info

Accession No.

0001193125-26-142587

Form Type

4

Issuer CIK

0000917273

Seraphin Luc's History

Date Ticker Type Value
2026-04-02 RMBS $216K
2026-04-02 RMBS $240K
2026-04-02 RMBS $15K
2026-04-01 RMBS A $0
2026-04-01 RMBS F $1.1M
2025-04-23 RMBS $298K
2025-04-22 RMBS $56K

Other Insiders at RMBS (90d)

Insider Bought Sold Last
PENG VICTOR 2026-04-01
KISSNER CHARLES 2026-04-01
LAUB STEVEN 2026-04-01
STANG ERIC B 2026-04-01
Higashi Emiko 2026-04-01
Sayiner Necip 2026-04-01
Seraphin Luc
President and CEO
$254K 2026-04-02
Allen John K
Chief Accounting Officer
2026-04-03
Rao Meera $1.0M 2026-04-14
FAN XIANZHI SEAN
EVP, COO
2026-04-01
Shinn John
SVP, General Counsel
2026-04-01