Sage Therapeutics, Inc.
Total Trades
6
Buys
4
Sells
1
Largest Trade
$500K+
Insiders
4
Institutional Funds
2
Inst. Value
$100K–$500K
Activist Filings
37
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Barrett Elizabeth | Director | BUY | $15K–$50K | 2K | $18.64 | Aug 11, 2023 |
| Barrett Elizabeth | Director | BUY | $50K–$100K | 1K | $50.50 | May 11, 2023 |
| JONAS JEFFREY M | Director | EXERCISE | $1K–$15K | 12K | $0.45 | Feb 10, 2023 |
| JONAS JEFFREY M | Director | SELL | $500K+ | 12K | $44.61 | Feb 10, 2023 |
| Greene Barry E | President and CEO | BUY | $500K+ | 15K | $34.48 | Nov 15, 2022 |
| Golumbeski George | Director | BUY | $100K–$500K | 8K | $31.45 | May 9, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 2 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| DekaBank Deutsche Girozentrale | 22K | $100K–$500K | SH |
| HUNTINGTON NATIONAL BANK | 1 | <$1K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Nov 14, 2025
0.0%
0 shares
SC 13G/A · Aug 14, 2025
9.7%
6.1M shares
SC 13D/A · Jul 30, 2025
0.0%
0 shares
SC 13G/A · Jul 29, 2025
5.2%
3.3M shares
SC 13D/A · Jul 22, 2025
10.0%
6.2M shares
SC 13G/A · Apr 17, 2025
7.2%
4.4M shares
Madison Avenue International LP
SC 13G · Apr 1, 2025
8.0%
4.9M shares
SC 13G/A · Mar 7, 2025
0.8%
501K shares
SC 13G/A · Mar 6, 2025
1.6%
1.0M shares
SC 13G/A · Feb 14, 2025
4.9%
3.0M shares
SC 13G/A · Feb 12, 2025
6.7%
4.1M shares
SC 13G · Feb 5, 2025
7.4%
4.5M shares
SC 13G/A · Jan 31, 2025
7.9%
4.8M shares
SC 13G/A · Jan 17, 2025
1.9%
1.2M shares
SC 13D · Jan 10, 2025
10.2%
6.2M shares
SC 13G/A · Nov 14, 2024
7.3%
4.5M shares
SC 13G/A · Nov 12, 2024
9.4%
5.8M shares
SC 13G/A · Nov 12, 2024
8.6%
5.3M shares
SC 13G/A · Nov 8, 2024
8.8%
5.4M shares
SC 13G/A · Nov 4, 2024
9.4%
5.8M shares
SC 13G/A · Nov 4, 2024
9.4%
5.8M shares
SC 13G/A · Oct 21, 2024
8.8%
5.4M shares
STATE STREET CORPORATION 04-2456637
SC 13G/A · Oct 18, 2024
4.8%
2.9M shares
The Vanguard Group - 23-1945930
SC 13G/A · Jun 10, 2024
10.5%
6.3M shares
SC 13G/A · Jun 10, 2024
10.5%
6.3M shares
Wellington Management Group LLP
SC 13G/A · Jun 6, 2024
0.1%
40K shares
SC 13G · Feb 14, 2024
8.7%
5.2M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
8.9%
5.3M shares
SC 13G/A · Feb 13, 2024
5.8%
3.5M shares
SC 13G/A · Jan 26, 2024
7.8%
4.7M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G · Jan 24, 2024
6.5%
0 shares
Wellington Management Group LLP
SC 13G/A · Jul 10, 2023
10.7%
6.4M shares
SC 13G · Feb 17, 2023
5.2%
3.1M shares
SC 13G/A · Feb 14, 2023
5.0%
3.0M shares
SC 13G · Feb 3, 2023
8.3%
4.9M shares
SC 13G/A · Jul 11, 2022
10.1%
6.0M shares
SC 13G/A · Feb 11, 2022
5.4%
3.2M shares