Inspire Medical Systems, Inc. INSP
Institutional shares held
29 Million
101K
calls
246K
puts
Total value of holdings
$2.5B
$8.72M
calls
$21.2M
puts
Market Cap
$2.49B
28,788,600
Shares Out.
Institutional ownership
100.72%
# of Institutions
372
We take great care to ensure that the data presented and summarized in this overview for Inspire Medical Systems, Inc. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding INSP
View all-
Vanguard Group Inc Valley Forge, PA3MShares$259 Million0.0% of portfolio
-
Black Rock Inc. New York, NY1.86MShares$160 Million0.01% of portfolio
-
Ken Griffin Citadel Advisors LLC | Chicago, Il1.75MShares$151 Million0.02% of portfolio
-
William Blair Investment Management, LLC Chicago, IL1.3MShares$112 Million0.27% of portfolio
-
Baillie Gifford & CO1.08MShares$93.6 Million0.06% of portfolio
-
Deerfield Management Company, L.P. (Series C) New York, NY1.05MShares$90.5 Million1.45% of portfolio
-
State Street Corp Boston, MA979KShares$84.6 Million0.0% of portfolio
-
Braidwell LP Stamford, CT884KShares$76.3 Million3.78% of portfolio
-
Ubs Asset Management Americas Inc Chicago, IL834KShares$72 Million0.01% of portfolio
-
Soleus Capital Management, L.P. Greenwich, CT728KShares$62.9 Million3.29% of portfolio
Latest Institutional Activity in INSP
Top Purchases
Top Sells
About INSP
Inspire Medical Systems, Inc., a medical technology company, focuses on the development and commercialization of minimally invasive solutions for patients with obstructive sleep apnea (OSA) in the United States and internationally. The company offers Inspire system, a neurostimulation technology that provides a safe and effective treatment for moderate to severe OSA. It also develops a novel, a closed-loop solution that continuously monitors a patient's breathing and delivers mild hypoglossal nerve stimulation to maintain an open airway. The company was incorporated in 2007 and is headquartered in Golden Valley, Minnesota.
Insider Transactions at INSP
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 02
2025
|
Shawn Mc Cormick Director |
SELL
Open market or private sale
|
Direct |
1,200
-4.61%
|
$166,800
$139.0 P/Share
|
|
Nov 28
2025
|
Shawn Mc Cormick Director |
SELL
Open market or private sale
|
Direct |
2,000
-7.13%
|
$254,000
$127.48 P/Share
|
|
Oct 14
2025
|
Shelley G. Broader Director |
BUY
Grant, award, or other acquisition
|
Direct |
245
+5.31%
|
$19,110
$78.84 P/Share
|
|
Oct 14
2025
|
Gary Lee Ellis Director |
BUY
Grant, award, or other acquisition
|
Direct |
372
+5.45%
|
$29,016
$78.84 P/Share
|
|
Oct 14
2025
|
Casey M Tansey Director |
BUY
Grant, award, or other acquisition
|
Direct |
221
+0.98%
|
$17,238
$78.84 P/Share
|
|
Oct 14
2025
|
Georgia Melenikiotou Director |
BUY
Grant, award, or other acquisition
|
Direct |
229
+5.43%
|
$17,862
$78.84 P/Share
|
|
Aug 29
2025
|
Richard Buchholz Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
11,000
-19.69%
|
$1,023,000
$93.39 P/Share
|
|
Aug 19
2025
|
Richard Buchholz Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
5,380
-3.0%
|
$484,200
$90.24 P/Share
|
|
Aug 19
2025
|
Richard Buchholz Chief Financial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
25,008
+17.64%
|
$1,400,448
$56.58 P/Share
|
|
Aug 08
2025
|
Myriam Curet Director |
SELL
Open market or private sale
|
Direct |
4
-0.12%
|
$308
$77.28 P/Share
|
|
Jul 15
2025
|
Georgia Melenikiotou Director |
BUY
Grant, award, or other acquisition
|
Direct |
131
+3.37%
|
$16,768
$128.0 P/Share
|
|
Jul 15
2025
|
Shelley G. Broader Director |
BUY
Grant, award, or other acquisition
|
Direct |
148
+3.47%
|
$18,944
$128.0 P/Share
|
|
Jul 15
2025
|
Casey M Tansey Director |
BUY
Grant, award, or other acquisition
|
Direct |
133
+0.6%
|
$17,024
$128.0 P/Share
|
|
Jul 15
2025
|
Gary Lee Ellis Director |
BUY
Grant, award, or other acquisition
|
Direct |
221
+3.51%
|
$28,288
$128.0 P/Share
|
|
Jun 04
2025
|
Shawn Mc Cormick Director |
BUY
Exercise of conversion of derivative security
|
Direct |
4,000
+12.48%
|
$64,000
$16.0 P/Share
|
|
May 19
2025
|
John Rondoni Officer |
SELL
Open market or private sale
|
Direct |
1,734
-11.19%
|
$258,366
$149.38 P/Share
|
|
May 08
2025
|
Myriam Curet Director |
SELL
Open market or private sale
|
Direct |
2
-0.06%
|
$306
$153.22 P/Share
|
|
May 02
2025
|
Shawn Mc Cormick Director |
SELL
Open market or private sale
|
Direct |
360
-1.48%
|
$57,600
$160.0 P/Share
|
|
May 02
2025
|
Georgia Melenikiotou Director |
SELL
Payment of exercise price or tax liability
|
Direct |
35
-0.96%
|
-
|
|
May 01
2025
|
Gary Lee Ellis Director |
BUY
Grant, award, or other acquisition
|
Direct |
1,266
+17.76%
|
-
|
Last 12 Months Summary
Buy / Acquisition
158K
Shares
From
21
Insiders
| Grant, award, or other acquisition | 104K shares |
|---|---|
| Open market or private purchase | 5 shares |
| Exercise of conversion of derivative security | 54K shares |
| Bona fide gift | 500 shares |
Sell / Disposition
135K
Shares
From
14
Insiders
| Payment of exercise price or tax liability | 23.9K shares |
|---|---|
| Open market or private sale | 48.8K shares |
| Other acquisition or disposition | 61.8K shares |
| Bona fide gift | 500 shares |