Insider · CIK 0001643875
Scott Braunstein
ceochairofficerdirector
Files at MRNS (MARINUS PHARMACEUTICALS, INC.), CRBU (Caribou Biosciences, Inc.), RAPT (RAPT Therapeutics, Inc.), ATAI (Atai Beckley N.V.), ATAI (AtaiBeckley Inc.). First filing Feb 11, 2025, latest Feb 11, 2025.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
1 / 0
$6,526 bought, $0 sold
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 10Weak | MARINUS PHARMACEUTICALS, INC. | $6,526 5,933 shares | +2% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | ATAI AtaiBeckley Inc. | DDisposition to issuer Stock Optionderivative | -206,000 | - | - | 0 | 31 d ago |
| Sep 11, 2026 | ATAI AtaiBeckley Inc. | DDisposition to issuer Stock Optionderivative | -103,000 | - | - | 0 | 31 d ago |
| Sep 11, 2026 | ATAI AtaiBeckley Inc. | DDisposition to issuer Stock Optionderivative | -56,818 | - | - | 0 | 31 d ago |
| Sep 11, 2026 | ATAI AtaiBeckley Inc. | DDisposition to issuer Stock Optionderivative | -208,063 | - | - | 0 | 31 d ago |
| Nov 4, 2025 | ATAI Atai Beckley N.V. | AGrant or award Stock Optionderivative | +56,818 | $0.00 | $0 | 56,818 | Nov 6, 2025 |
| Jun 26, 2025 | ATAI Atai Beckley N.V. | AGrant or award Stock Optionderivative | +103,000 | $0.00 | $0 | 103,000 | Jun 27, 2025 |
| Jun 21, 2025 | RAPT RAPT Therapeutics, Inc. | AGrant or award Director Stock Option (right to buy)derivative | +25,000 | $0.00 | $0 | 25,000 | Jun 24, 2025 |
| Feb 20, 2025 | CRBU Caribou Biosciences, Inc. | AGrant or award Option to purchase Common Stockderivative | +40,500 | $0.00 | $0 | 40,500 | Feb 21, 2025 |
| Aug 14, 2024 | MRNS MARINUS PHARMACEUTICALS, INC. | POpen-market purchase Common Stock10b5-1 | +5,933 | $1.10 | $6,526 | 304,600 | Feb 11, 2025 |
| Feb 7, 2025 | MRNS MARINUS PHARMACEUTICALS, INC. | DDisposition to issuer Common Stock | -125,064 | $0.55 | $69k | 179,536 | Feb 11, 2025 |
| Feb 11, 2025 | MRNS MARINUS PHARMACEUTICALS, INC. | DDisposition to issuer Common Stock | -179,536 | $0.55 | $99k | 0 | Feb 11, 2025 |
| Feb 11, 2025 | MRNS MARINUS PHARMACEUTICALS, INC. | DDisposition to issuer Stock Option (Right to Buy)derivative | -167,825 | $0.00 | $0 | 0 | Feb 11, 2025 |
| Feb 11, 2025 | MRNS MARINUS PHARMACEUTICALS, INC. | DDisposition to issuer Stock Option (Right to Buy)derivative | -335,650 | $0.00 | $0 | 0 | Feb 11, 2025 |
| Feb 11, 2025 | MRNS MARINUS PHARMACEUTICALS, INC. | DDisposition to issuer Stock Option (Right to Buy)derivative | -360,000 | $0.00 | $0 | 0 | Feb 11, 2025 |
| Feb 11, 2025 | MRNS MARINUS PHARMACEUTICALS, INC. | DDisposition to issuer Stock Option (Right to Buy)derivative | -193,050 | $0.00 | $0 | 0 | Feb 11, 2025 |
| Feb 11, 2025 | MRNS MARINUS PHARMACEUTICALS, INC. | DDisposition to issuer Stock Option (Right to Buy)derivative | -290,000 | $0.00 | $0 | 0 | Feb 11, 2025 |
| Feb 11, 2025 | MRNS MARINUS PHARMACEUTICALS, INC. | DDisposition to issuer Stock Option (Right to Buy)derivative | -450,000 | $0.00 | $0 | 0 | Feb 11, 2025 |
| Feb 11, 2025 | MRNS MARINUS PHARMACEUTICALS, INC. | DDisposition to issuer Stock Option (Right to Buy)derivative | -200,000 | $0.00 | $0 | 0 | Feb 11, 2025 |
| Feb 11, 2025 | MRNS MARINUS PHARMACEUTICALS, INC. | DDisposition to issuer Stock Option (Right to Buy)derivative | -15,917 | $0.00 | $0 | 0 | Feb 11, 2025 |
| Feb 11, 2025 | MRNS MARINUS PHARMACEUTICALS, INC. | DDisposition to issuer Stock Option (Right to Buy)derivative | -7,500 | $0.00 | $0 | 0 | Feb 11, 2025 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.