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Who

Dan Wolterman

Director

Company insider

Files Form 4 as: Director, Hyperfine; Director, Globus Medical; Director, Nuvasive; Director, Invuity; Director, Volcano.

In numbers

Trades disclosed
57
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
5
Companies where not an officer
5
First trade
10 Sep 2013
Last trade
3 Jun 2026
Last filed
4 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
HYPR HyperfineDirector · Medical Devices · last 3 Jun 20260 buys · 0 sells
GMED Globus MedicalDirector · Medical Devices · last 21 Jan 20260 buys · 0 sells
NuvasiveDirector · last 1 Sep 20230 buys · 0 sells
InvuityDirector · last 23 Oct 20180 buys · 0 sells
VolcanoDirector · last 17 Feb 20150 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
3 Jun 2026filed 4 Jun 2026HYPR Hyperfineoption or derivative · Medical DevicesSEC FORM 4 Code A—52,600 at $0.00filing
3 Jun 2026filed 4 Jun 2026HYPR Hyperfineoption or derivative · Medical DevicesSEC FORM 4 Code A—52,600 at $0.00filing
22 May 2026filed 22 May 2026HYPR Hyperfineoption or derivative · Medical DevicesSEC FORM 4 Code A—157,700 at $0.00filing
22 May 2026filed 22 May 2026HYPR Hyperfineoption or derivative · Medical DevicesSEC FORM 4 Code A—157,700 at $0.00filing
21 Jan 2026filed 23 Jan 2026GMED Globus Medicaloption or derivative · Medical DevicesSEC FORM 4 Code A—15,000 at $0.00filing
21 Jan 2026filed 23 Jan 2026GMED Globus Medicaloption or derivative · Medical DevicesSEC FORM 4 Code A—15,000 at $0.00filing
5 Jun 2025filed 6 Jun 2025HYPR Hyperfineoption or derivative · Medical DevicesSEC FORM 4 Code A—81,817 at $0.00filing
20 May 2025filed 20 May 2025HYPR Hyperfineoption or derivative · Medical DevicesSEC FORM 4 Code A—79,200 at $0.00filing
23 Jan 2025filed 28 Mar 2025GMED Globus Medicaloption or derivative · Medical DevicesSEC FORM 4 Code A—15,000 at $0.00filing
12 Jun 2024filed 12 Jun 2024HYPR Hyperfineoption or derivative · Medical DevicesSEC FORM 4 Code A—79,200 at $0.00filing
26 Jan 2024filed 30 Jan 2024GMED Globus Medicaloption or derivative · Medical DevicesSEC FORM 4 Code A—15,000 at $0.00filing
1 Sep 2023filed 6 Sep 2023GMED Globus Medicaloption or derivative · Medical DevicesSEC FORM 4 Code A—15,000 at $0.00filing
1 Sep 2023filed 6 Sep 2023GMED Globus MedicalMedical DevicesSEC FORM 4 Code A—24,025filing
1 Sep 2023filed 5 Sep 2023Nuvasiveoption or derivativeSEC FORM 4 Code D—2,644 at $0.00filing
1 Sep 2023filed 5 Sep 2023Nuvasiveoption or derivativeSEC FORM 4 Code D—4,230 at $0.00filing
1 Sep 2023filed 5 Sep 2023Nuvasiveoption or derivativeSEC FORM 4 Code D—2,822 at $0.00filing
1 Sep 2023filed 5 Sep 2023Nuvasiveoption or derivativeSEC FORM 4 Code D—2,130 at $0.00filing
1 Sep 2023filed 5 Sep 2023Nuvasiveoption or derivativeSEC FORM 4 Code D—3,230 at $0.00filing
1 Sep 2023filed 5 Sep 2023Nuvasiveoption or derivativeSEC FORM 4 Code D—2,577 at $0.00filing
1 Sep 2023filed 5 Sep 2023Nuvasiveoption or derivativeSEC FORM 4 Code D—3,095 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

James R. TobinDirector · Director at Globus Medical, filing Form 4 there in the last year
Brett HaleCFO and CAO · CFO and CAO at Hyperfine, filing Form 4 there in the last year
Thomas TeisseyreChief Operating Officer · Chief Operating Officer at Hyperfine, filing Form 4 there in the last year
Stephen T. ZarrilliDirector · Director at Globus Medical, filing Form 4 there in the last year
David D. DavidarDirector · Director at Globus Medical, filing Form 4 there in the last year