RA CAPITAL MANAGEMENT, L.P. - 05 Feb 2026 Form 4 Insider Report for SpyGlass Pharma, Inc. (SGP)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: SGP
Reported as of: 05 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 09 Feb 2026, 17:05:43 UTC
Prior SEC filing: 09 Jan 2026
Next SEC filing: 11 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Peter Kolchinsky, Manager of RA Capital Management, L.P.

Key filing fact

RA CAPITAL MANAGEMENT, L.P. filed Form 4 for SpyGlass Pharma, Inc. (SGP) on 09 Feb 2026.

Key facts

This page summarizes RA CAPITAL MANAGEMENT, L.P.'s Form 4 filing for SpyGlass Pharma, Inc. (SGP).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 09 Feb 2026, 17:05.

Change

Previous filing in this sequence was filed on 09 Jan 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (5)

CIK 0001346824 Primary reporting owner

RA CAPITAL MANAGEMENT, L.P.

Relationship: Director, 10%+ Owner
Address: 200 BERKELEY STREET, 18TH FLOOR, BOSTON
Signature: /s/ Peter Kolchinsky, Manager of RA Capital Management, L.P.
Signature date: 09 Feb 2026

CIK 0001315082

RA Capital Healthcare Fund LP

Relationship: Director, 10%+ Owner
Address: C/O RA CAPITAL MANAGEMENT, L.P., 200 BERKELEY STREET, 18TH FLOOR, BOSTON
Signature: /s/ Peter Kolchinsky, Manager of RA Capital Healthcare Fund GP, LLC, the General Partner of RA Capital Healthcare Fund, L.P.
Signature date: 09 Feb 2026

CIK 0001883840

RA Capital Nexus Fund III, L.P.

Relationship: Director
Address: C/O RA CAPITAL MANAGEMENT, L.P., 200 BERKELEY STREET, 18TH FLOOR, BOSTON
Signature: /s/ Peter Kolchinsky, Manager of RA Capital Nexus Fund III GP, LLC, the General Partner of RA Capital Nexus Fund III, L.P.
Signature date: 09 Feb 2026

CIK 0001384859

Kolchinsky Peter

Relationship: Director, 10%+ Owner
Address: C/O RA CAPITAL MANAGEMENT, L.P., 200 BERKELEY STREET, 18TH FLOOR, BOSTON
Signature: /s/ Peter Kolchinsky, individually
Signature date: 09 Feb 2026

CIK 0001619841

Shah Rajeev M.

Relationship: Director, 10%+ Owner
Address: C/O RA CAPITAL MANAGEMENT, L.P., 200 BERKELEY STREET, 18TH FLOOR, BOSTON
Signature: /s/ Rajeev Shah, individually
Signature date: 09 Feb 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SGP transaction Derivative

Stock Option (right to buy)

Award

Transaction value: $0
Shares: +27,400
Change %
Price: $0.000000
Shares after: 27,400
Date: 05 Feb 2026
Ownership: See footnotes
Underlying class: Common Stock
Underlying amount: 27,400
Exercise price: $16.00
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

This option was granted to Dr. Zachary Scheiner pursuant to the Issuer's non-employee director compensation policy. Subject to Dr. Scheiner's continuing as an Outside Director (as defined in the Issuer's 2026 Equity Incentive Plan) through such applicable vesting date, one thirty-sixth (1/36th) of the shares subject to the option shall vest each month following the Date of Grant on the same day of the month as the Date of Grant (and if there is no corresponding day, on the last day of the month). "Date of Grant" shall mean February 5, 2026.

Footnote F2

RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund") and RA Capital Nexus Fund III, L.P. (the "Nexus Fund III"). The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. Each of the Adviser, the Adviser GP, the Fund, the Nexus Fund III, Dr. Kolchinsky, and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of its or his respective pecuniary interest therein.

Footnote F3

Under Dr. Scheiner,'s arrangement with the Adviser, Dr. Scheiner holds the option for the benefit of the Fund and the Nexus Fund III. Dr. Scheiner is obligated to turn over to the Adviser any net cash or stock received upon exercise of the option, which will offset advisory fees owed by the Fund and the Nexus Fund III to the Adviser. The Reporting Persons therefore disclaim beneficial ownership of the option and underlying common stock.

SEC remarks

Dr. Zachary Scheiner, a Principal of the Adviser, serves on the Issuer's board of directors.