Updated Jul 16, 2026 · Last SEC filing 2026-07-02
AtriCure, Inc. (ATRC) has filed 15 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 3 Form 8-K material event filings were reported by ATRC in the last 90 days. 2 Form 144 notices of proposed sale were filed for ATRC stock. InsiderAlpha tracks every ATRC SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001323885 |
|---|
| Form 4 filings (90d) | 15 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 2 |
| Latest Form 4 filing | 2026-07-02 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Seith Douglas J | Chief Operating Officer | A — Grant or award | 527 | $23.78 | $13K | SEC | |
| Dahlquist Karl S. | Chief Legal Officer | A — Grant or award | 636 | $23.78 | $15K | SEC | |
| Doraiswamy Vinayak | Chief Scientific Officer | A — Grant or award | 636 | $23.78 | $15K | SEC | |
| Privitera Salvatore | Chief Technical Officer | A — Grant or award | 636 | $23.78 | $15K | SEC | |
| CARREL MICHAEL H | President, CEO, & Director | A — Grant or award | 636 | $23.78 | $15K | SEC | |
| Prange Karen | Director | S — Open-market sale | 3.0K | $28.65 | $86K | SEC | |
| Prange Karen | Director | A — Grant or award | 6.1K | $0.00 | — | SEC | |
| GROVES REGINA E | Director | A — Grant or award | 6.1K | $0.00 | — | SEC | |
| WHITE ROBERT S. | Director | A — Grant or award | 6.1K | $0.00 | — | SEC | |
| Nachman Shlomo | Director | A — Grant or award | 6.1K | $0.00 | — | SEC | |
| JOHNSON B KRISTINE | Director | A — Grant or award | 6.1K | $0.00 | — | SEC | |
| WEHRWEIN SVEN | Director | A — Grant or award | 6.1K | $0.00 | — | SEC | |
| Yuen Maggie | Director | A — Grant or award | 6.1K | $0.00 | — | SEC | |
| Telman Deborah H | Director | A — Grant or award | 6.1K | $0.00 | — | SEC | |
| Doraiswamy Vinayak | Chief Scientific Officer | S — Open-market sale | 5.0K | $28.13 | $141K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for AtriCure, Inc. (ATRC). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Prange Karen | 2 | $86K |
| Doraiswamy Vinayak | 2 | $156K |
| Yuen Maggie | 1 | — |
| Seith Douglas J | 1 | $13K |
| Privitera Salvatore | 1 | $15K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in ATRC insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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