Insider · CIK 0001388177
Darin G Billerbeck
Files at MRAM (EVERSPIN TECHNOLOGIES INC). First filing Dec 11, 2023, latest May 13, 2026.
In brief
Darin G Billerbeck files SEC Form 4 as director at MRAM (EVERSPIN TECHNOLOGIES INC). Since Dec 11, 2023, Darin G Billerbeck has reported 0 open-market buys worth $0 and 3 open-market sells worth $1.3M, the latest filed on May 13, 2026.
A track record needs three past buys with six months of prices behind them; Darin G Billerbeck has 0, so none is measured yet.
The newest scored trade: sold $1.1M of MRAM on May 11, 2026, filed May 13, 2026, scored 45 (moderate). In the last 12 months: 0 buys worth $0 and 2 sells worth $1.2M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
MRAM: EVERSPIN TECHNOLOGIES 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 |
|---|---|---|---|---|---|
| 45Moderate | EVERSPIN TECHNOLOGIES INC | $1.1M 30,000 shares | -19% | +622% from low0% from high | |
| 10Weak | MRAMsell EVERSPIN TECHNOLOGIES INC | $113k 12,000 shares | -9% | +113% from low-21% from high | |
| 44Moderate | EVERSPIN TECHNOLOGIES INC | $87k 10,000 shares | -11% | +66% from low-16% 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 |
|---|---|---|---|---|---|
| May 11, 2026 | MRAM EVERSPIN TECHNOLOGIES, INC. | 30,000 0.13% of outstanding | $1.1M | May 11, 2026 | none |
| Nov 10, 2025 | MRAM EVERSPIN TECHNOLOGIES, INC. | 12,000 0.05% of outstanding | $113k | Nov 10, 2025 | none |
| Dec 8, 2023 | MRAM EVERSPIN TECHNOLOGIES INC | 10,000 0.05% of outstanding | $90k | Dec 8, 2023 | none |
Transactions
Every row this insider has filed, 9 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | MRAM EVERSPIN TECHNOLOGIES INC | AGrant or award Common Stock | +3,852 | $0.00 | $0 | 127,925 | May 22, 2026 |
| May 11, 2026 | MRAM EVERSPIN TECHNOLOGIES INC | MOption exercise Common Stock | +30,000 | $8.52 | $256k | 154,073 | May 13, 2026 |
| May 11, 2026 | MRAM EVERSPIN TECHNOLOGIES INC | SOpen-market sale Common Stock | -30,000 | $37.16 | $1.1M | 124,073 | May 13, 2026 |
| May 11, 2026 | MRAM EVERSPIN TECHNOLOGIES INC | MOption exercise Nonqualified Stock Option (Right to Buy)derivative | -30,000 | $0.00 | $0 | 0 | May 13, 2026 |
| Nov 10, 2025 | MRAM EVERSPIN TECHNOLOGIES INC | MOption exercise Common Stock | +12,000 | $7.20 | $86k | 136,073 | Nov 12, 2025 |
| Nov 10, 2025 | MRAM EVERSPIN TECHNOLOGIES INC | SOpen-market sale Common Stock | -12,000 | $9.42 | $113k | 124,073 | Nov 12, 2025 |
| Nov 10, 2025 | MRAM EVERSPIN TECHNOLOGIES INC | MOption exercise Nonqualified Stock Option (Right to Buy)derivative | -12,000 | $0.00 | $0 | 0 | Nov 12, 2025 |
| May 22, 2025 | MRAM EVERSPIN TECHNOLOGIES INC | AGrant or award Common Stock | +20,325 | $0.00 | $0 | 124,073 | May 27, 2025 |
| Dec 8, 2023 | MRAM EVERSPIN TECHNOLOGIES INC | SOpen-market sale Common Stock | -10,000 | $8.73 | $87k | 82,775 | Dec 11, 2023 |
Questions about Darin G Billerbeck
Answered from the filings on this page, as of the latest one.
Is Darin G Billerbeck buying or selling?
In the last 12 months Darin G Billerbeck reported 0 open-market buys worth $0 and 2 open-market sells worth $1.2M on SEC Form 4; the latest was sold $1.1M of MRAM on May 11, 2026. Grants, option exercises and tax withholding are not counted.
How did Darin G Billerbeck's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Darin G Billerbeck has 0.
Where does Darin G Billerbeck file Form 4?
Darin G Billerbeck has filed Form 4 at MRAM (EVERSPIN TECHNOLOGIES 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.