Updated Jul 16, 2026 · Last SEC filing 2026-05-19
Inspire Medical Systems, Inc. (INSP) has filed 11 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-19. 3 Form 8-K material event filings were reported by INSP in the last 90 days. 3 Form 144 notices of proposed sale were filed for INSP stock. InsiderAlpha tracks every INSP SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Surgical & Medical Instruments & Apparatus (SIC 3841) |
|---|---|
| SEC CIK | 0001609550 |
| Form 4 filings (90d) | 11 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 3 |
| Latest Form 4 filing | 2026-05-19 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Rondoni John | See Remarks | S — Open-market sale | 2.6K | $43.28 | $114K | SEC | |
| Rondoni John | See Remarks | S — Open-market sale | 700 | $43.01 | $30K | SEC | |
| mcCormick Shawn | Director | S — Open-market sale | 696 | $45.31 | $32K | SEC | |
| Melenikiotou Georgia | Director | F — Tax withholding / forfeiture | 50 | $56.70 | $3K | SEC | |
| Curet Myriam | Director | A — Grant or award | 3.6K | $0.00 | — | SEC | |
| mcCormick Shawn | Director | A — Grant or award | 3.6K | $0.00 | — | SEC | |
| Broader Shelley G | Director | A — Grant or award | 3.6K | $0.00 | — | SEC | |
| Mead Dana G Jr. | Director | A — Grant or award | 3.6K | $0.00 | — | SEC | |
| Melenikiotou Georgia | Director | A — Grant or award | 3.6K | $0.00 | — | SEC | |
| Ellis Gary Lee | Director | A — Grant or award | 3.6K | $0.00 | — | SEC | |
| Tansey Casey M | Director | A — Grant or award | 3.6K | $0.00 | — | SEC | |
| Burks Cynthia | Director | A — Grant or award | 3.6K | $0.00 | — | SEC | |
| Tansey Casey M | Director | A — Grant or award | 308 | $52.07 | $16K | SEC | |
| Melenikiotou Georgia | Director | A — Grant or award | 307 | $52.07 | $16K | SEC | |
| Broader Shelley G | Director | A — Grant or award | 342 | $52.07 | $18K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Inspire Medical Systems, Inc. (INSP). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Melenikiotou Georgia | 2 | $3K |
| mcCormick Shawn | 2 | $32K |
| Rondoni John | 2 | $144K |
| Ellis Gary Lee | 1 | — |
| Mead Dana G Jr. | 1 | — |
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 INSP 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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