Insider · CIK 0002021233
Erin Pennock Foff
Files at MPLT (MapLight Therapeutics, Inc.). First filing Apr 17, 2026, latest Jul 17, 2026.
In brief
Erin Pennock Foff files SEC Form 4 as officer at MPLT (MapLight Therapeutics, Inc.). Since Apr 17, 2026, Erin Pennock Foff has reported 0 open-market buys worth $0 and 4 open-market sells worth $3.4M, the latest filed on Jul 17, 2026.
A track record needs three past buys with six months of prices behind them; Erin Pennock Foff has 0, so none is measured yet.
The newest scored trade: sold $1.7M of MPLT on Jul 15, 2026, filed Jul 17, 2026, scored 40 (moderate), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 4 sells worth $3.4M.
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 |
|---|---|---|---|---|---|
| 40Moderate | MapLight Therapeutics, Inc. | $1.7M 47,158 shares | -14% | +191% from low-6% from high | |
| 21Weak | MapLight Therapeutics, Inc. | $127k 4,438 shares | -1% | +128% from low-9% from high | |
| 40Moderate | MapLight Therapeutics, Inc. | $1.4M 50,280 shares | -13% | +123% from low-11% from high | |
| 39Weak | MapLight Therapeutics, Inc. | $87k 3,213 shares | -1% | +110% from low-9% 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 |
|---|---|---|---|---|---|
| Jul 15, 2026 | MPLT MapLight Therapeutics, Inc. | 48,158 0.11% of outstanding | $1.8M | Jul 15, 2026 | $1.6M |
| May 4, 2026 | MPLT MapLight Therapeutics, Inc. | 54,718 0.13% of outstanding | $1.7M | May 4, 2026 | $87k |
| Apr 15, 2026 | MPLT MapLight Therapeutics, Inc. | 3,472 0.01% of outstanding | $94k | Apr 15, 2026 | none |
Transactions
Every row this insider has filed, 29 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 17, 2026 | MPLT MapLight Therapeutics, Inc. | AGrant or award Voting Common Stock | +13,360 | $0.00 | $0 | 312,261 | Aug 19, 2026 |
| Aug 17, 2026 | MPLT MapLight Therapeutics, Inc. | AGrant or award Employee Stock Option (right to buy)derivative | +54,240 | $0.00 | $0 | 54,240 | Aug 19, 2026 |
| Jul 15, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -7,155 | $36.16 | $259k | 338,904 | Jul 17, 2026 |
| Jul 15, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -7,845 | $37.04 | $291k | 331,059 | Jul 17, 2026 |
| Jul 15, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -4,465 | $36.00 | $161k | 326,594 | Jul 17, 2026 |
| Jul 15, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -8,972 | $36.99 | $332k | 317,622 | Jul 17, 2026 |
| Jul 15, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -18 | $37.54 | $676 | 317,604 | Jul 17, 2026 |
| Jul 16, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -9,163 | $36.46 | $334k | 308,441 | Jul 17, 2026 |
| Jul 16, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -5,865 | $37.26 | $219k | 302,576 | Jul 17, 2026 |
| Jul 16, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -19 | $37.96 | $721 | 302,557 | Jul 17, 2026 |
| Jul 17, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -3,656 | $37.90 | $139k | 298,901 | Jul 17, 2026 |
| May 7, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -4,321 | $28.52 | $123k | 346,176 | May 11, 2026 |
| May 7, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -117 | $29.10 | $3,405 | 346,059 | May 11, 2026 |
| May 4, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -9,180 | $27.50 | $252k | 391,597 | May 6, 2026 |
| May 4, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -5,460 | $28.37 | $155k | 386,137 | May 6, 2026 |
| May 4, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -312 | $29.56 | $9,223 | 385,825 | May 6, 2026 |
| May 4, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -700 | $30.08 | $21k | 385,125 | May 6, 2026 |
| May 5, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -9,645 | $28.12 | $271k | 375,480 | May 6, 2026 |
| May 5, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -931 | $29.00 | $27k | 374,549 | May 6, 2026 |
| May 6, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -8,152 | $28.04 | $229k | 366,397 | May 6, 2026 |
| May 6, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock10b5-1 | -15,900 | $29.13 | $463k | 350,497 | May 6, 2026 |
| Apr 15, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -2,044 | $26.84 | $55k | 401,946 | Apr 17, 2026 |
| Apr 16, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -288 | $27.01 | $7,779 | 401,658 | Apr 17, 2026 |
| Apr 16, 2026 | MPLT MapLight Therapeutics, Inc. | SOpen-market sale Voting Common Stock | -881 | $27.49 | $24k | 400,777 | Apr 17, 2026 |
| Feb 5, 2026 | MPLT MapLight Therapeutics, Inc. | AGrant or award Voting Common Stock | +13,360 | $0.00 | $0 | 403,835 | Feb 9, 2026 |
| Feb 5, 2026 | MPLT MapLight Therapeutics, Inc. | AGrant or award Employee Stock Option (right to buy)derivative | +54,240 | $0.00 | $0 | 54,240 | Feb 9, 2026 |
| Jan 27, 2026 | MPLT MapLight Therapeutics, Inc. | FTax withholding Voting Common Stock | -44,616 | $17.98 | $802k | 390,475 | Jan 29, 2026 |
| Oct 27, 2025 | MPLT MapLight Therapeutics, Inc. | AGrant or award Voting Common Stock | +48,275 | $0.00 | $0 | 48,275 | Oct 28, 2025 |
| Oct 27, 2025 | MPLT MapLight Therapeutics, Inc. | AGrant or award Employee Stock Option (right to buy)derivative | +196,035 | $0.00 | $0 | 196,035 | Oct 28, 2025 |
Questions about Erin Pennock Foff
Answered from the filings on this page, as of the latest one.
Is Erin Pennock Foff buying or selling?
In the last 12 months Erin Pennock Foff reported 0 open-market buys worth $0 and 4 open-market sells worth $3.4M on SEC Form 4; the latest was sold $1.7M of MPLT on Jul 15, 2026. Grants, option exercises and tax withholding are not counted.
How did Erin Pennock Foff's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Erin Pennock Foff has 0.
Where does Erin Pennock Foff file Form 4?
Erin Pennock Foff has filed Form 4 at MPLT (MapLight Therapeutics, Inc.) as Chief Medical Officer. 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.