RA CAPITAL MANAGEMENT, L.P. - 05 Feb 2026 Form 3 Insider Report for SpyGlass Pharma, Inc. (SGP)

Role
Director, 10%+ Owner
Signature
/s/ Peter Kolchinsky, Manager of RA Capital Management, L.P.
Issuer symbol
SGP
Transactions as of
05 Feb 2026
Net transactions value
$0
Form type
3
Filing time
05 Feb 2026, 15:44:38 UTC
Previous filing
09 Jan 2026
Next filing
11 Feb 2026
SEC
View on sec.gov

Reporting Owners (5)

Name Relationship Address Signature Signature date CIK
RA CAPITAL MANAGEMENT, L.P. Director, 10%+ Owner 200 BERKELEY STREET, 18TH FLOOR, BOSTON /s/ Peter Kolchinsky, Manager of RA Capital Management, L.P. 05 Feb 2026 0001346824
RA Capital Healthcare Fund LP Director, 10%+ Owner C/O RA CAPITAL MANAGEMENT, L.P., 200 BERKELEY STREET, 18TH FLOOR, BOSTON /s/ Peter Kolchinsky, Manager of RA Capital Healthcare Fund GP, LLC, the General Partner of RA Capital Healthcare Fund, L.P. 05 Feb 2026 0001315082
RA Capital Nexus Fund III, L.P. Director C/O RA CAPITAL MANAGEMENT, L.P., 200 BERKELEY STREET, 18TH FLOOR, BOSTON /s/ Peter Kolchinsky, Manager of RA Capital Nexus Fund III GP, LLC, the General Partner of RA Capital Nexus Fund III, L.P. 05 Feb 2026 0001883840
Kolchinsky Peter Director, 10%+ Owner C/O RA CAPITAL MANAGEMENT, L.P., 200 BERKELEY STREET, 18TH FLOOR, BOSTON /s/ Peter Kolchinsky, individually 05 Feb 2026 0001384859
Shah Rajeev M. Director, 10%+ Owner C/O RA CAPITAL MANAGEMENT, L.P., 200 BERKELEY STREET, 18TH FLOOR, BOSTON /s/ Rajeev Shah, individually 05 Feb 2026 0001619841

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding SGP Series C-1 Preferred Stock 05 Feb 2026 Common Stock 1,150,941 See footnotes F1, F2, F3
holding SGP Series C-1 Preferred Stock 05 Feb 2026 Common Stock 767,294 See footnotes F1, F2, F4
holding SGP Series C-2 Preferred Stock 05 Feb 2026 Common Stock 1,150,941 See footnotes F1, F2, F3
holding SGP Series C-2 Preferred Stock 05 Feb 2026 Common Stock 767,294 See footnotes F1, F2, F4
holding SGP Series D Preferred Stock 05 Feb 2026 Common Stock 222,591 See footnotes F1, F2, F3
holding SGP Series D Preferred Stock 05 Feb 2026 Common Stock 272,056 See footnotes F1, F2, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 All shares of the preferred stock, par value $0.00001 per share, of the Issuer will automatically be converted on a one-for-one basis to shares of the Issuer's common stock, par value $0.00001 per share ("Common Stock") prior to the closing of the Issuer's initial public offering of its Common Stock.
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.
F3 Held directly by the Fund.
F4 Held directly by the Nexus Fund III.

Remarks:

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