Insider · CIK 0002021198
Robert C. Malenka
Files at MPLT (MapLight Therapeutics, Inc.). First filing Jan 30, 2026, latest Apr 17, 2026.
Robert C. Malenka files SEC Form 4 as director at MPLT (MapLight Therapeutics, Inc.). Since Jan 30, 2026, Robert C. Malenka has reported 0 open-market buys worth $0 and 6 open-market sells worth $1.6M, the latest filed on Apr 17, 2026.
A track record needs three past buys with six months of prices behind them; Robert C. Malenka has 0, so none is measured yet.
The newest scored trade: sold $231k of MPLT on Apr 15, 2026, filed Apr 17, 2026, scored 23 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 6 sells worth $1.6M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
MPLT: MapLight Therapeutics, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 23Weak | MapLight Therapeutics, Inc. | $231k 8,593 shares | -3% | +110% from low-9% from high | |
| 28Weak | MPLTsell MapLight Therapeutics, Inc. | $260k 14,195 shares | -4% | +40% from low-15% from high | |
| 27Weak | MPLTsell MapLight Therapeutics, Inc. | $221k 12,116 shares | -3% | +34% from low-18% from high | |
| 25Weak | MPLTsell MapLight Therapeutics, Inc. | $124k 6,863 shares | -2% | +40% from low-15% from high | |
| 26Weak | MPLTsell MapLight Therapeutics, Inc. | $127k 7,040 shares | -2% | +40% from low-15% from high | |
| 35Weak | MPLTsell MapLight Therapeutics, Inc. | $636k 34,398 shares | -9% | +47% from low-11% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Feb 24, 2026 | MPLT MAPLIGHT THERAPEUTICS, INC. | 736 0.00% of outstanding | $13k | Feb 24, 2026 | $1.4M |
| Feb 23, 2026 | MPLT MAPLIGHT THERAPEUTICS, INC. | 11,264 0.02% of outstanding | $207k | Feb 23, 2026 | $1.1M |
| Feb 20, 2026 | MPLT MAPLIGHT THERAPEUTICS, INC. | 2,195 0.00% of outstanding | $40k | Feb 20, 2026 | $1.1M |
| Feb 13, 2026 | MPLT MAPLIGHT THERAPEUTICS, INC. | 12,116 0.03% of outstanding | $221k | Feb 13, 2026 | $887k |
| Feb 11, 2026 | MPLT MAPLIGHT THERAPEUTICS, INC. | 241 0.00% of outstanding | $4,338 | Feb 11, 2026 | $883k |
| Feb 10, 2026 | MPLT MAPLIGHT THERAPEUTICS, INC. | 6,622 0.01% of outstanding | $120k | Feb 10, 2026 | $763k |
| Feb 3, 2026 | MPLT MAPLIGHT THERAPEUTICS, INC. | 1 0.00% of outstanding | $18 | Feb 3, 2026 | $763k |
| Feb 2, 2026 | MPLT MAPLIGHT THERAPEUTICS, INC. | 7,039 0.02% of outstanding | $127k | Feb 2, 2026 | $636k |
| Jan 30, 2026 | MPLT MAPLIGHT THERAPEUTICS, INC. | 6,612 0.01% of outstanding | $120k | Jan 30, 2026 | $516k |
| Jan 29, 2026 | MPLT MAPLIGHT THERAPEUTICS, INC. | 21,262 0.05% of outstanding | $394k | Jan 29, 2026 | $122k |
| Jan 28, 2026 | MPLT MAPLIGHT THERAPEUTICS, INC. | 6,524 0.01% of outstanding | $122k | Jan 28, 2026 | none |
Transactions
Every row this insider has filed, 18 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Apr 15, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -8,593 | $26.90 | $231k | 316,466 | Apr 17, 2026 |
| Feb 20, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -2,195 | $18.03 | $40k | 337,059 | Feb 24, 2026 |
| Feb 23, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -10,788 | $18.39 | $198k | 326,271 | Feb 24, 2026 |
| Feb 23, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -476 | $19.06 | $9,073 | 325,795 | Feb 24, 2026 |
| Feb 24, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -736 | $18.15 | $13k | 325,059 | Feb 24, 2026 |
| Feb 13, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -12,116 | $18.21 | $221k | 339,254 | Feb 18, 2026 |
| Feb 10, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -6,622 | $18.12 | $120k | 351,611 | Feb 12, 2026 |
| Feb 11, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -241 | $18.00 | $4,338 | 351,370 | Feb 12, 2026 |
| Feb 2, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -7,039 | $18.02 | $127k | 358,234 | Feb 4, 2026 |
| Feb 3, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -1 | $18.00 | $18 | 358,233 | Feb 4, 2026 |
| Jan 28, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -5,860 | $18.61 | $109k | 393,811 | Jan 30, 2026 |
| Jan 28, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -664 | $19.05 | $13k | 393,147 | Jan 30, 2026 |
| Jan 29, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -21,262 | $18.55 | $394k | 371,885 | Jan 30, 2026 |
| Jan 30, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -6,612 | $18.11 | $120k | 365,273 | Jan 30, 2026 |
| Oct 27, 2025 | MPLT MapLight Therapeutics, Inc. | AGrant or award Voting Common Stock | +34,390 | $0.00 | $0 | 399,671 | Oct 28, 2025 |
| Oct 28, 2025 | MPLT MapLight Therapeutics, Inc. | CConversion Voting Common Stockindirect: See footnote | +3,895 | - | - | 31,672 | Oct 28, 2025 |
| Oct 27, 2025 | MPLT MapLight Therapeutics, Inc. | AGrant or award Employee Stock Option (right to buy)derivative | +139,610 | $0.00 | $0 | 139,610 | Oct 28, 2025 |
| Oct 28, 2025 | MPLT MapLight Therapeutics, Inc. | CConversion Series C Preferred Stockderivativeindirect: See footnote | -65,477 | $0.00 | $0 | 0 | Oct 28, 2025 |
Questions about Robert C. Malenka
Answered from the filings on this page, as of the latest one.
Is Robert C. Malenka buying or selling?
In the last 12 months Robert C. Malenka reported 0 open-market buys worth $0 and 6 open-market sells worth $1.6M on SEC Form 4; the latest was sold $231k of MPLT on Apr 15, 2026. Grants, option exercises and tax withholding are not counted.
How did Robert C. Malenka's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Robert C. Malenka has 0.
Where does Robert C. Malenka file Form 4?
Robert C. Malenka has filed Form 4 at MPLT (MapLight Therapeutics, Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
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.