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Who

Willem Elfrink

Director

Company insider

Files Form 4 as: Director, Heartbeam.

In numbers

Trades disclosed
19
Buys
1
Sells
0
Bought
$300K
Sold
$0
Companies
1
Companies where not an officer
1
First trade
11 Nov 2021
Last trade
2 Oct 2026
Last filed
9 Oct 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
BEAT HeartbeamDirector · Medical Devices · last 2 Oct 20261 buy · 0 sells

Activity over time

1 Apr – 1 Oct
01Apr 26Jun 26Jul 26Sep 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
2 Oct 2026filed 9 Oct 2026BEAT Heartbeamoption or derivative · Medical DevicesSEC FORM 4 Code A—93,750 at $0.00filing
2 Oct 2026filed 9 Oct 2026BEAT Heartbeamoption or derivative · Medical DevicesSEC FORM 4 Code A—93,750 at $0.00filing
16 Apr 2026filed 16 Apr 2026BEAT HeartbeamMedical DevicesSEC FORM 4 Bought$150K187,500 at $0.80filing
16 Apr 2026filed 16 Apr 2026BEAT HeartbeamMedical DevicesSEC FORM 4 Bought$150K187,500 at $0.80filing
9 Feb 2026filed 23 Mar 2026BEAT Heartbeamoption or derivative · Medical DevicesSEC FORM 4 Code A—51,724 at $0.00filing
9 Feb 2026filed 23 Mar 2026BEAT Heartbeamoption or derivative · Medical DevicesSEC FORM 4 Code A—51,724 at $0.00filing
12 Jun 2024filed 20 Jun 2024BEAT HeartbeamMedical DevicesSEC FORM 4 Code A—33,185 at $0.00filing
13 Jul 2023filed 18 Jul 2023BEAT HeartbeamMedical DevicesSEC FORM 4 Code A—23,961 at $0.00filing
12 Feb 2023filed 14 Feb 2023BEAT Heartbeamoption or derivative · Medical DevicesSEC FORM 4 Code C—43,636 at $0.00filing
9 Feb 2023filed 13 Feb 2023BEAT Heartbeamoption or derivative · Medical DevicesSEC FORM 4 Code C$10K3,640 at $2.75filing
9 Feb 2023filed 13 Feb 2023BEAT HeartbeamMedical DevicesSEC FORM 4 Code D—125,351 at $0.00filing
9 Feb 2023filed 13 Feb 2023BEAT HeartbeamMedical DevicesSEC FORM 4 Code C$10K3,640 at $2.75filing
15 Jul 2022filed 19 Jul 2022BEAT HeartbeamMedical DevicesSEC FORM 4 Code A—55,147 at $0.00filing
16 Jun 2022filed 21 Jun 2022BEAT Heartbeamoption or derivative · Medical DevicesSEC FORM 4 Code A—50,000filing
21 Dec 2021filed 6 Jan 2022BEAT Heartbeamoption or derivative · Medical DevicesSEC FORM 4 Code A—10,000 at $0.00filing
21 Dec 2021filed 23 Dec 2021BEAT Heartbeamoption or derivative · Medical DevicesSEC FORM 4 Code P—10,000 at $0.00filing
11 Nov 2021filed 15 Nov 2021BEAT HeartbeamMedical DevicesSEC FORM 4 Code M$256K60,972 at $4.20filing
11 Nov 2021filed 15 Nov 2021BEAT HeartbeamMedical DevicesSEC FORM 4 Code M$449K106,825 at $4.20filing
11 Nov 2021filed 15 Nov 2021BEAT HeartbeamMedical DevicesSEC FORM 4 Code M$691K164,610 at $4.20filing

News

HeartBeam (NASDAQ:BEAT) Upgraded at Wall Street ZenBEAT · themarketsdaily.com · 13 Oct 2026

0 headlines in the last 90 days name Willem Elfrink; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care1

Buys in green, sells in red, by the company’s sector.

Related people

George de UriosteDirector · Director at HeartBeam, filing Form 4 there in the last year
Michael R. JaffDirector · Director at HeartBeam, filing Form 4 there in the last year
Kenneth Warwick Nelson IIIDirector · Director at HeartBeam, filing Form 4 there in the last year
Richard FerrariDirector · Director at HeartBeam, filing Form 4 there in the last year
Marga Ortigas-WedekindDirector · Director at HeartBeam, filing Form 4 there in the last year