Amendment: SEC Form SCHEDULE 13D/A filed by Sage Therapeutics Inc.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 2)
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Sage Therapeutics, Inc. (Name of Issuer) |
Common Stock, par value $0.0001 per share (Title of Class of Securities) |
78667J108 (CUSIP Number) |
Wendell Taylor, Secretary Biogen Inc., 225 Binney Street Cambridge, MA, 02142 (617) 679-2000 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
07/30/2025 (Date of Event Which Requires Filing of This Statement) |

SCHEDULE 13D
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CUSIP No. | 78667J108 |
1 |
Name of reporting person
Biogen Inc. | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
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3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
OO | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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6 | Citizenship or place of organization
DELAWARE
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Number of Shares Beneficially Owned by Each Reporting Person With: |
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11 | Aggregate amount beneficially owned by each reporting person
0.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
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13 | Percent of class represented by amount in Row (11)
0 % | ||||||||
14 | Type of Reporting Person (See Instructions)
CO |
SCHEDULE 13D
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CUSIP No. | 78667J108 |
1 |
Name of reporting person
Biogen MA Inc. | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
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3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
OO | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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6 | Citizenship or place of organization
MASSACHUSETTS
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Number of Shares Beneficially Owned by Each Reporting Person With: |
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11 | Aggregate amount beneficially owned by each reporting person
0.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
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13 | Percent of class represented by amount in Row (11)
0 % | ||||||||
14 | Type of Reporting Person (See Instructions)
CO |
SCHEDULE 13D
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Item 1. | Security and Issuer | |
(a) | Title of Class of Securities:
Common Stock, par value $0.0001 per share | |
(b) | Name of Issuer:
Sage Therapeutics, Inc. | |
(c) | Address of Issuer's Principal Executive Offices:
55 Cambridge Parkway, Cambridge,
MASSACHUSETTS
, 02142. | |
Item 1 Comment:
The following constitutes Amendment No. 2 to the Schedule 13D filed by the undersigned ("Amendment No. 2") on January 10, 2024, as amended by Amendment No. 1 on July 21, 2025. This Amendment No. 2 amends the Schedule 13D as specifically set forth herein. | ||
Item 5. | Interest in Securities of the Issuer | |
(a) | Item 5 is hereby amended and restated in its entirety as follows:
As of July 28, 2025, the aggregate number of shares of Common Stock beneficially owned by the Reporting Persons was 6,241,473.00 shares, representing 9.941% of the 62,784,397 issued and outstanding shares of Common Stock of the Issuer as of July 23, 2025 (as disclosed in the Issuer's most recent quarterly report on Form 10-Q filed on July 30, 2025).
On July 29, 2025, the Reporting Persons sold all of their shares of Common Stock at a price per share of $8.53 in a block trade.
As of the date of this filing, the Reporting Persons beneficially own no shares of Common Stock, representing 0.00% of the issued and outstanding shares of Common Stock. As of the date of this filing, the Reporting Persons have no powers to vote, or to direct the vote of, or to dispose, or to direct the disposition of, shares of Common Stock. | |
(b) | Item 5(a) of this Schedule 13D is incorporated by reference into this Item 5(b). | |
(c) | Item 5(a) of this Schedule 13D is incorporated by reference into this Item 5(c). | |
(d) | Not applicable. | |
(e) | On July 29, 2025, the Reporting Persons ceased to be the beneficial owners of more than five percent of Common Stock. |
SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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