Baker Bros. Adjusts Replimune Group Holdings

Ticker: REPL · Form: 4 · Filed: 2026-04-07T21:15:19-04:00

Sentiment: neutral

Topics: insider-filing, ownership-change

Related Tickers: REPL

TL;DR

Baker Bros. just filed a Form 4 on Replimune - ownership changes incoming.

AI Summary

On April 1, 2026, Baker Bros. Advisors LP, through Julian Baker and Felix Baker, reported a change in beneficial ownership of securities for Replimune Group, Inc. The filing details transactions related to their holdings, indicating adjustments in their investment positions.

Why It Matters

This filing provides insight into the trading activity of a significant institutional investor, Baker Bros. Advisors, which could signal their confidence or concerns regarding Replimune Group's future performance.

Risk Assessment

Risk Level: medium — Form 4 filings can indicate insider sentiment, but the specific impact depends on the nature and volume of the transactions, which are not detailed here.

Key Players & Entities

Replimune Group, Inc. (company) — Issuer of securities
Baker Bros. Advisors LP (company) — Reporting entity
Julian Baker (person) — Reporting person associated with Baker Bros. Advisors LP
Felix Baker (person) — Reporting person associated with Baker Bros. Advisors LP
0001737953 (company) — Issuer CIK
0001087939 (person) — Julian Baker CIK
0001087940 (person) — Felix Baker CIK
0001263508 (company) — Baker Bros. Advisors LP CIK

FAQ

What specific transactions were reported in this Form 4 filing?

The filing is a Form 4, which reports changes in beneficial ownership of securities, but the specific details of the transactions (e.g., buy/sell, number of shares, price) are not provided in the summary text.

Who are the reporting persons associated with this filing?

The reporting persons are Julian Baker (CIK 0001087939) and Felix Baker (CIK 0001087940), both associated with Baker Bros. Advisors LP.

What is the period of report for this filing?

The period of report is April 1, 2026.

What is the CIK for Replimune Group, Inc. as the issuer?

The CIK for Replimune Group, Inc. (Issuer) is 0001737953.

What is the filing date and acceptance time for this Form 4?

The filing date and acceptance time were both on April 7, 2026, at 21:15:19.

From the Filing

EDGAR Filing Documents for 0001193125-26-146029 This page uses Javascript. Your browser either doesn't support Javascript or you have it turned off. To see this page as it is meant to appear please use a Javascript enabled browser. SEC.gov EDGAR Latest Filings Filings search tools Filing Detail SEC Home » Company Search » Current Page Form 4 - Statement of changes in beneficial ownership of securities: SEC Accession No. 0001193125-26-146029 Filing Date 2026-04-07 Accepted 2026-04-07 21:15:19 Documents 1 Period of Report 2026-04-01 Document Format Files Seq Description Document Type Size 1 4 ownership.html 4 1 4 ownership.xml 4 18290 Complete submission text file 0001193125-26-146029.txt 22601 Mailing Address BAKER BROS. ADVISORS LP 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 Business Address BAKER JULIAN ( Reporting ) CIK : 0001087939 (see all company filings) Type: 4 | Act: 34 | File No.: 001-38596 | Film No.: 26846281 Mailing Address BAKER BROS. ADVISORS LP 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 Business Address BAKER FELIX ( Reporting ) CIK : 0001087940 (see all company filings) Type: 4 | Act: 34 | File No.: 001-38596 | Film No.: 26846282 Mailing Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 Business Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 2123395600 BAKER BROS. ADVISORS LP ( Reporting ) CIK : 0001263508 (see all company filings) State of Incorp.: DE | Fiscal Year End: 1231 Type: 4 | Act: 34 | File No.: 001-38596 | Film No.: 26846286 Mailing Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 Business Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 212-339-5600 Baker Brothers Life Sciences LP ( Reporting ) CIK : 0001363364 (see all company filings) State of Incorp.: DE | Fiscal Year End: 1231 Type: 4 | Act: 34 | File No.: 001-38596 | Film No.: 26846283 Mailing Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 Business Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 212-339-5600 667, L.P. ( Reporting ) CIK : 0001551139 (see all company filings) State of Incorp.: DE | Fiscal Year End: 1231 Type: 4 | Act: 34 | File No.: 001-38596 | Film No.: 26846284 Mailing Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 Business Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 (212)339-5600 Baker Bros. Advisors (GP) LLC ( Reporting ) CIK : 0001580575 (see all company filings) State of Incorp.: DE | Fiscal Year End: 1231 Type: 4 | Act: 34 | File No.: 001-38596 | Film No.: 26846285 Mailing Address 500 UNICORN PARK WOBURN MA 01801 Business Address 500 UNICORN PARK WOBURN MA 01801 (781) 222-9600 Replimune Group, Inc. ( Issuer ) CIK : 0001737953 (see all company filings) EIN. : 822082553 | State of Incorp.: DE | Fiscal Year End: 0331 SIC : 2836 Biological Products, (No Diagnostic Substances) (CF Office: 03 Life Sciences)