Madison Avenue Partners, LP - 30 Jun 2025 SCHEDULE 13G/A Report for Sage Therapeutics, Inc. Common Stock, par value $0.0001 per share (the "Common Stock") (SAGE)

Filing Manager
Madison Avenue Partners, LP
Reporting Manager
Madison Avenue Partners LP
Security
Sage Therapeutics, Inc. Common Stock, par value $0.0001 per share (the "Common Stock")
Symbol
SAGE
Shares outstanding
62,650,155 shares
Disclosed Ownership
6,077,065 shares
Ownership
9.7%
Form type
SCHEDULE 13G/A
Filing time
14 Aug 2025, 09:22:49 UTC
Date of event
30 Jun 2025
Previous filing
01 Apr 2025
Next filing
14 Nov 2025
SEC
View on sec.gov

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Quoteable Key Fact

"Madison Avenue Partners, LP disclosed 9.7% ownership in Sage Therapeutics, Inc. Common Stock, par value $0.0001 per share (the "Common Stock") (SAGE) on 30 Jun 2025."

Quick Takeaways

  • Madison Avenue Partners, LP filed SCHEDULE 13G/A for Sage Therapeutics, Inc. Common Stock, par value $0.0001 per share (the "Common Stock") (SAGE).
  • Disclosed ownership: 9.7%.
  • Date of event: 30 Jun 2025.

What Changed

  • Previous schedule filing date: 01 Apr 2025.
  • Current filing was accepted on 14 Aug 2025, 09:22.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Madison Avenue Partners LP 9.7% 6,077,065 0 6,077,065 s/ Eli Samaha Eli Samaha, as Managing Member of EMAI Management, LLC, the General Partner of Madison Avenue Partners, LP
Madison Avenue International LP 9.7% 6,077,065 0 6,077,065 /s/ Eli Samaha Eli Samaha, as Manager of Madison Avenue GP, LLC, the General Partner of Madison Avenue International LP
EMAI Management, LLC 9.7% 6,077,065 0 6,077,065 /s/ Eli Samaha Eli Samaha, as Managing Member
Madison Avenue GP, LLC 9.7% 6,077,065 0 6,077,065 /s/ Eli Samaha Eli Samaha, as Manager
Caraway Jackson Investments LLC 9.7% 6,077,065 0 6,077,065 /s/ Eli Samaha Eli Samaha, as Member
Eli Samaha 9.7% 6,077,065 0 6,077,065 Eli Samaha ELI SAMAHA

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