Insider · CIK 0001861996
Karl S. Dahlquist
Files at ATRC (AtriCure, Inc.). First filing Nov 3, 2023, latest Aug 26, 2026.
In brief
Karl S. Dahlquist files SEC Form 4 as officer at ATRC (AtriCure, Inc.). Since Nov 3, 2023, Karl S. Dahlquist has reported 0 open-market buys worth $0 and 4 open-market sells worth $869k, the latest filed on Aug 26, 2026.
A track record needs three past buys with six months of prices behind them; Karl S. Dahlquist has 0, so none is measured yet.
The newest scored trade: sold $458k of ATRC on Aug 24, 2026, filed Aug 26, 2026, scored 40 (moderate). In the last 12 months: 0 buys worth $0 and 1 sell worth $458k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
ATRC: AtriCure, 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 | AtriCure, Inc. | $458k 9,370 shares | -10% | +91% from low0% from high | |
| 10Weak | AtriCure, Inc. | $61k 1,885 shares | -4% | +1% from low-45% from high | |
| 22Weak | AtriCure, Inc. | $308k 8,231 shares | -13% | +19% from low-35% from high | |
| 1Weak | AtriCure, Inc. | $43k 1,248 shares | -4% | +5% from low-39% 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 |
|---|---|---|---|---|---|
| Aug 24, 2026 | ATRC ATRICURE, INC. | 9,370 0.02% of outstanding | $458k | Aug 24, 2026 | none |
| Mar 18, 2024 | ATRC ATRICURE, INC. | 1,885 0.00% of outstanding | $61k | Mar 18, 2024 | $308k |
| Mar 5, 2024 | ATRC ATRICURE, INC. | 8,231 0.02% of outstanding | $308k | Mar 5, 2024 | none |
Transactions
Every row this insider has filed, 14 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 24, 2026 | ATRC AtriCure, Inc. | SOpen-market sale Common Stock | -9,370 | $48.89 | $458k | 87,319 | Aug 26, 2026 |
| Jun 30, 2026 | ATRC AtriCure, Inc. | AGrant or award Common Stock | +636 | $23.78 | $15k | 96,689 | Jul 2, 2026 |
| Mar 1, 2026 | ATRC AtriCure, Inc. | AGrant or award Common Stock | +27,991 | $0.00 | $0 | 96,542 | Mar 3, 2026 |
| Mar 1, 2026 | ATRC AtriCure, Inc. | AGrant or award Common Stock | +15,198 | $0.00 | $0 | 111,740 | Mar 3, 2026 |
| Mar 1, 2026 | ATRC AtriCure, Inc. | FTax withholding Common Stock | -15,687 | $31.26 | $490k | 96,053 | Mar 3, 2026 |
| Jun 30, 2025 | ATRC AtriCure, Inc. | AGrant or award Common Stock | +822 | $25.84 | $21k | 68,551 | Jul 2, 2025 |
| Mar 1, 2025 | ATRC AtriCure, Inc. | AGrant or award Common Stock | +19,359 | $0.00 | $0 | 71,020 | Mar 4, 2025 |
| Mar 1, 2025 | ATRC AtriCure, Inc. | AGrant or award Common Stock | +6,579 | $0.00 | $0 | 77,599 | Mar 4, 2025 |
| Mar 1, 2025 | ATRC AtriCure, Inc. | FTax withholding Common Stock | -9,870 | $38.74 | $382k | 67,729 | Mar 4, 2025 |
| Mar 18, 2024 | ATRC AtriCure, Inc. | SOpen-market sale Common Stock10b5-1 | -1,885 | $32.16 | $61k | 50,954 | Mar 20, 2024 |
| Mar 5, 2024 | ATRC AtriCure, Inc. | SOpen-market sale Common Stock10b5-1 | -8,231 | $37.36 | $308k | 52,839 | Mar 7, 2024 |
| Mar 1, 2024 | ATRC AtriCure, Inc. | AGrant or award Common Stock | +22,050 | $0.00 | $0 | 52,839 | Mar 5, 2024 |
| Mar 1, 2024 | ATRC AtriCure, Inc. | AGrant or award Common Stock | +8,231 | $0.00 | $0 | 61,070 | Mar 5, 2024 |
| Nov 1, 2023 | ATRC AtriCure, Inc. | SOpen-market sale Common Stock10b5-1 | -1,248 | $34.43 | $43k | 30,789 | Nov 3, 2023 |
Questions about Karl S. Dahlquist
Answered from the filings on this page, as of the latest one.
Is Karl S. Dahlquist buying or selling?
In the last 12 months Karl S. Dahlquist reported 0 open-market buys worth $0 and 1 open-market sell worth $458k on SEC Form 4; the latest was sold $458k of ATRC on Aug 24, 2026. Grants, option exercises and tax withholding are not counted.
How did Karl S. Dahlquist's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Karl S. Dahlquist has 0.
Where does Karl S. Dahlquist file Form 4?
Karl S. Dahlquist has filed Form 4 at ATRC (AtriCure, Inc.) as Chief Legal 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.