Insider · CIK 0002018699
Mary Beth Harler
Files at IGMS (IGM Biosciences, Inc.). First filing Dec 18, 2024, latest Jul 25, 2025.
In brief
Mary Beth Harler files SEC Form 4 as CEO and director at IGMS (IGM Biosciences, Inc.). Since Dec 18, 2024, Mary Beth Harler has reported 0 open-market buys worth $0 and 4 open-market sells worth $42k, the latest filed on Jul 25, 2025.
A track record needs three past buys with six months of prices behind them; Mary Beth Harler has 0, so none is measured yet.
The newest scored trade: sold $18k of IGMS on Jul 23, 2025, filed Jul 25, 2025, scored 40 (moderate).
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 40Moderate | IGM Biosciences, Inc. | $18k 14,501 shares | -4% | - | |
| 40Moderate | IGM Biosciences, Inc. | $1,825 1,522 shares | -0% | - | |
| 40Moderate | IGM Biosciences, Inc. | $9,015 7,329 shares | -2% | - | |
| 40Moderate | IGM Biosciences, Inc. | $13k 1,708 shares | -0% | - |
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 |
|---|---|---|---|---|---|
| Mar 14, 2025 | IGMS IGM BIOSCIENCES, INC. | 8,259 0.02% of outstanding | $11k | Mar 14, 2025 | $13k |
Transactions
Every row this insider has filed, 5 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 14, 2025 | IGMS IGM Biosciences, Inc. | DDisposition to issuer Common Stock | -323,680 | - | - | 0 | Aug 14, 2025 |
| Jul 23, 2025 | IGMS IGM Biosciences, Inc. | SOpen-market sale Common Stock | -14,501 | $1.27 | $18k | 323,680 | Jul 25, 2025 |
| Jun 16, 2025 | IGMS IGM Biosciences, Inc. | SOpen-market sale Common Stock | -1,522 | $1.20 | $1,825 | 338,181 | Jun 20, 2025 |
| Mar 14, 2025 | IGMS IGM Biosciences, Inc. | SOpen-market sale Common Stock | -7,329 | $1.23 | $9,015 | 339,703 | Mar 18, 2025 |
| Dec 16, 2024 | IGMS IGM Biosciences, Inc. | SOpen-market sale Common Stock | -1,708 | $7.48 | $13k | 347,032 | Dec 18, 2024 |
Questions about Mary Beth Harler
Answered from the filings on this page, as of the latest one.
Is Mary Beth Harler buying or selling?
Not in the last 12 months. Mary Beth Harler's latest open-market trade on SEC Form 4 was sold $18k of IGMS on Jul 23, 2025.
How did Mary Beth Harler's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mary Beth Harler has 0.
Where does Mary Beth Harler file Form 4?
Mary Beth Harler has filed Form 4 at IGMS (IGM Biosciences, Inc.) as Chief Executive 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.