← United States · Coverage record
US · SEC FORM 4
Inspire Medical Systems, Inc.
INSP · NYSE · CIK 0001609550 · Healthcare · Medical Devices
INSIDER SIGNAL
0 qualifying P purchase groups
in the current 180-day scoring window
24 Form 4 transaction lines observed in the same window
4 sales · 20 option, withholding, award, gift or other lines
WHY NO ACTIVE SIGNAL?
Score anatomy
No score is calculated because there is no qualifying purchase in the active window. Unavailable inputs are not treated as zero or as a bearish signal.
Why is there no score?
- No qualifying open-market purchase supplies cluster, size, role, recency or conviction inputs.
- Sales and other Form 4 activity remain visible as context and do not create a negative score.
Sales and other Form 4 activity are shown separately and do not create a negative buy signal. Absence of buying is not scored as bearish.
Insider activity timeline
Owner lanes show the latest 180 days. Symbol shape identifies the transaction type; sales remain context only.
Showing the six most active owners; 6 additional owner(s) remain in Form 4 evidence.
Purchase breadth, concentration & cluster buying
These modules activate when qualifying purchases enter the 180-day research window.
SIGNAL HISTORY
Scores are archived only when the company qualifies for a published US buy-signal snapshot. Last qualifying purchase: 2025-04-07 · Curet Myriam.
Recent Form 4 activity
P is an open-market or private purchase. S is a sale. M, F, A and G usually describe exercises, tax withholding, awards and gifts. These categories remain visually separate.
Market context
Market context has not been captured for this ticker yet. The daily market-context job processes the US universe in rotating batches.
Short interest
Short interest is external context reported to FINRA by broker-dealers. It does not affect the Insider Signal.
- Shares short
- 4,195,817
- Previous report
- 3,928,250
- Avg daily volume
- 906,711
- Days to cover
- 4.6
FINRA settlement date: 2026-09-30 · Captured 2026-10-12 · FINRA equity short interest ↗. A share count, published about a week after each of two settlement dates a month; not a percentage of shares outstanding.
Historical equity purchases
Qualifying code P transactions in the local Form 4 history, including purchases outside the current signal window.
| Transaction date | Reporting owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2025-04-07 | Curet Myriam | Purchase (P) | Common Stock | 1 | USD 148.26 | USD 148 | SEC filing ↗ |
| 2025-03-20 | Curet Myriam | Purchase (P) | Common Stock | 4 | USD 163.84 | USD 655 | SEC filing ↗ |
| 2023-10-12 | Sparks Charisse Y | Purchase (P) | Common Stock | 100 | USD 153.50 | USD 15,350 | SEC filing ↗ |
Form 4 evidence
63 transaction lines in the latest 365-day window; 769 in local history.
| Date | Owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2026-10-14 | Melenikiotou Georgia | Award / grant (A) | Common Stock | 255 | USD 68.07 | USD 17,358 | SEC filing ↗ |
| 2026-10-14 | Ellis Gary Lee | Award / grant (A) | Common Stock | 431 | USD 68.07 | USD 29,338 | SEC filing ↗ |
| 2026-10-14 | CARREL MICHAEL H | Award / grant (A) | Common Stock | 203 | USD 68.07 | USD 13,818 | SEC filing ↗ |
Show recent Form 4 evidence (30 grouped rows)
| Date | Owner | Type | Security | Shares | Avg. price | Approx. value | Source |
|---|---|---|---|---|---|---|---|
| 2026-10-14 | Melenikiotou Georgia | Award / grant (A) | Common Stock | 255 | USD 68.07 | USD 17,358 | SEC filing ↗ |
| 2026-10-14 | Ellis Gary Lee | Award / grant (A) | Common Stock | 431 | USD 68.07 | USD 29,338 | SEC filing ↗ |
| 2026-10-14 | CARREL MICHAEL H | Award / grant (A) | Common Stock | 203 | USD 68.07 | USD 13,818 | SEC filing ↗ |
| 2026-10-14 | Broader Shelley G | Award / grant (A) | Common Stock | 284 | USD 68.07 | USD 19,332 | SEC filing ↗ |
| 2026-08-31 | Kelly Jason P | Award / grant (A) | Common Stock | 6,350 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-08-07 | Kelly Jason P | Sale (S) | Common Stock | 963 | USD 59.55 | USD 57,347 | SEC filing ↗ |
| 2026-07-31 | Mann Melissa | Tax withholding (F) | Common Stock | 326 | USD 50.21 | USD 16,368 | SEC filing ↗ |
| 2026-07-20 | CARREL MICHAEL H | Award / grant (A) | Common Stock | 5,631 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-15 | Tansey Casey M | Award / grant (A) | Common Stock | 346 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-15 | Melenikiotou Georgia | Award / grant (A) | Common Stock | 344 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-15 | Ellis Gary Lee | Award / grant (A) | Common Stock | 581 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-07-15 | Broader Shelley G | Award / grant (A) | Common Stock | 383 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-05-15 | Rondoni John | Sale (S) | Common Stock | 2,641 | USD 43.28 | USD 114,302 | SEC filing ↗ |
| 2026-05-14 | Rondoni John | Sale (S) | Common Stock | 700 | USD 43.01 | USD 30,107 | SEC filing ↗ |
| 2026-05-08 | mcCormick Shawn | Sale (S) | Common Stock | 696 | USD 45.31 | USD 31,536 | SEC filing ↗ |
| 2026-05-01 | Melenikiotou Georgia | Tax withholding (F) | Common Stock | 50 | USD 56.70 | USD 2,835 | SEC filing ↗ |
| 2026-04-30 | mcCormick Shawn | Award / grant (A) | Common Stock | 3,562 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-04-30 | Tansey Casey M | Award / grant (A) | Common Stock | 3,562 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-04-30 | Melenikiotou Georgia | Award / grant (A) | Common Stock | 3,562 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-04-30 | Mead Dana G Jr. | Award / grant (A) | Common Stock | 3,562 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-04-30 | Ellis Gary Lee | Award / grant (A) | Common Stock | 3,562 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-04-30 | Curet Myriam | Award / grant (A) | Common Stock | 3,562 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-04-30 | Burks Cynthia | Award / grant (A) | Common Stock | 3,562 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-04-30 | Broader Shelley G | Award / grant (A) | Common Stock | 3,562 | USD 0.00 | USD 0 | SEC filing ↗ |
| 2026-04-15 | Tansey Casey M | Award / grant (A) | Common Stock | 308 | USD 52.07 | USD 16,038 | SEC filing ↗ |
| 2026-04-15 | Melenikiotou Georgia | Award / grant (A) | Common Stock | 307 | USD 52.07 | USD 15,985 | SEC filing ↗ |
| 2026-04-15 | Ellis Gary Lee | Award / grant (A) | Common Stock | 518 | USD 52.07 | USD 26,972 | SEC filing ↗ |
| 2026-04-15 | Broader Shelley G | Award / grant (A) | Common Stock | 342 | USD 52.07 | USD 17,808 | SEC filing ↗ |
| 2026-02-20 | Weatherby Carlton | Tax withholding (F) | Common Stock | 672 | USD 59.53 | USD 40,004 | SEC filing ↗ |
| 2026-02-20 | Weatherby Carlton | Award / grant (A) | Common Stock | 35,791 | USD 0.00 | USD 0 | SEC filing ↗ |
Multiple price lines in one filing are grouped and share-weighted. Price and value are blank when a grouped filing line lacks price evidence.
Snapshot & identity
| Snapshot date | 2026-10-18 |
|---|---|
| Ranking version | US-v1.2 |
| Data quality | PASS ELIGIBLE · — |
| Ticker | INSP |
| CIK | 0001609550 |
| Sector | Healthcare |
| Industry | Medical Devices Yahoo Finance |
| SEC SIC | 3841 Surgical & Medical Instruments & Apparatus |
| Exchange | NYSE |
Data coverage
| Local Form 4 history | 769 transaction lines from 2020-01-06 to 2026-10-14 3 P purchase lines · 334 S sale lines · 432 other lines |
|---|---|
| SEC company submissions | Open SEC filings ↗ |
Local ledger as of 2026-10-18. Mapping status is an audit field and does not erase SEC filing evidence.