Key facts
- This page summarizes RA CAPITAL MANAGEMENT, L.P.'s Form 4 filing for SpyGlass Pharma, Inc. (SGP).
- 10 reported transactions and 6 derivative rows are listed below.
- Accepted by SEC: 11 Feb 2026, 17:15.
RA CAPITAL MANAGEMENT, L.P. - 09 Feb 2026 Form 4 Insider Report for SpyGlass Pharma, Inc. (SGP)
- Reporting relationship
- Director, 10%+ Owner
- Issuer ticker
- SGP
- Reported as of
- 09 Feb 2026
- Net transaction value
- +$59,040,000
- SEC form
- 4
- Accepted by SEC
- 11 Feb 2026, 17:15:24 UTC
- Prior SEC filing
- 05 Feb 2026
- Next SEC filing
- 17 Feb 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Peter Kolchinsky, Manager of RA Capital Management, L.P.
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
RA CAPITAL MANAGEMENT, L.P. filed Form 4 for SpyGlass Pharma, Inc. (SGP) on 11 Feb 2026.
Change
- Previous filing in this sequence was filed on 05 Feb 2026.
- Current net transaction value: +$59,040,000.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 11 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
- 11 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
- 11 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
- 11 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
- 11 Feb 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
SGP
transaction
Common Stock
Conversion of derivative security
- Transaction value
- Shares
- +2,524,473
- Change %
- Price
- Shares after
- 2,524,473
- Date
- 09 Feb 2026
- Ownership
- See footnotes
- Footnotes
- F1, F2, F3
SGP
transaction
Common Stock
Conversion of derivative security
- Transaction value
- Shares
- +1,806,644
- Change %
- Price
- Shares after
- 1,806,644
- Date
- 09 Feb 2026
- Ownership
- See footnotes
- Footnotes
- F1, F2, F4
SGP
transaction
Common Stock
Purchase
- Transaction value
- $55,071,456
- Shares
- +3,441,966
- Change %
- +136%
- Price
- $16.00
- Shares after
- 5,966,439
- Date
- 09 Feb 2026
- Ownership
- See footnotes
- Footnotes
- F2, F3
SGP
transaction
Common Stock
Purchase
- Transaction value
- $3,968,544
- Shares
- +248,034
- Change %
- +14%
- Price
- $16.00
- Shares after
- 2,054,678
- Date
- 09 Feb 2026
- Ownership
- See footnotes
- Footnotes
- F2, F4
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
SGP
transaction
Derivative
Series C-1 Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -1,150,941
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 09 Feb 2026
- Ownership
- See footnotes
- Underlying class
- Common Stock
- Underlying amount
- 1,150,941
- Exercise price
- Footnotes
- F1, F2, F3
SGP
transaction
Derivative
Series C-1 Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -767,294
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 09 Feb 2026
- Ownership
- See footnotes
- Underlying class
- Common Stock
- Underlying amount
- 767,294
- Exercise price
- Footnotes
- F1, F2, F4
SGP
transaction
Derivative
Series C-2 Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -1,150,941
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 09 Feb 2026
- Ownership
- See footnotes
- Underlying class
- Common Stock
- Underlying amount
- 1,150,941
- Exercise price
- Footnotes
- F1, F2, F3
SGP
transaction
Derivative
Series C-2 Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -767,294
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 09 Feb 2026
- Ownership
- See footnotes
- Underlying class
- Common Stock
- Underlying amount
- 767,294
- Exercise price
- Footnotes
- F1, F2, F4
SGP
transaction
Derivative
Series D Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -222,591
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 09 Feb 2026
- Ownership
- See footnotes
- Underlying class
- Common Stock
- Underlying amount
- 222,591
- Exercise price
- Footnotes
- F1, F2, F3
SGP
transaction
Derivative
Series D Preferred Stock
Conversion of derivative security
- Transaction value
- Shares
- -272,056
- Change %
- -100%
- Price
- Shares after
- 0
- Date
- 09 Feb 2026
- Ownership
- See footnotes
- Underlying class
- Common Stock
- Underlying amount
- 272,056
- Exercise price
- Footnotes
- F1, F2, F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote F1
All shares of the preferred stock, par value $0.00001 per share, of the Issuer automatically converted on a one-for-one basis to shares of the Issuer's common stock, par value $0.00001 per share ("Common Stock") immediately prior to the closing of the Issuer's initial public offering of its Common Stock.
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 III Fund, 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. 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 their pecuniary interest therein.
Footnote F3
Held directly by the Fund.
Footnote F4
Held directly by the Nexus Fund III.
SEC remarks
Dr. Zachary Scheiner, a Principal of the Adviser, serves on the Issuer's board of directors.