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Who

David L. Swartz

Director

Company insider

Files Form 4 as: Director, RadNet.

In numbers

Trades disclosed
75
Buys
2
Sells
7
Bought
$197K
Sold
$3.6M
Companies
1
Companies where not an officer
1
First trade
28 Mar 2006
Last trade
18 Jun 2026
Last filed
22 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
RDNT RadNetDirector · Diagnostics & Labs · last 18 Jun 20262 buys · 7 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
18 Jun 2026filed 22 Jun 2026RDNT RadNetDiagnostics & LabsSEC FORM 4 Sold$145K2,699 at $53.89filing
18 Jun 2026filed 22 Jun 2026RDNT RadNetDiagnostics & LabsSEC FORM 4 Sold$145K2,699 at $53.89filing
2 Jun 2026filed 3 Jun 2026RDNT RadNetDiagnostics & LabsSEC FORM 4 Code A—2,946 at $0.00filing
2 Jun 2026filed 3 Jun 2026RDNT RadNetDiagnostics & LabsSEC FORM 4 Code A—2,946 at $0.00filing
10 Jun 2025filed 11 Jun 2025RDNT RadNetDiagnostics & LabsSEC FORM 4 Code A—2,699 at $0.00filing
7 Mar 2025filed 11 Mar 2025RDNT RadNetDiagnostics & LabsSEC FORM 4 Sold$1.3M25,000 at $50.84filing
13 Jun 2024filed 13 Jun 2024RDNT RadNetDiagnostics & LabsSEC FORM 4 Code A—2,591 at $0.00filing
12 Jun 2024filed 12 Jun 2024RDNT RadNetDiagnostics & LabsSEC FORM 4 Sold$254K4,066 at $62.42filing
10 Jun 2024filed 12 Jun 2024RDNT RadNetDiagnostics & LabsSEC FORM 4 Sold$1.3M20,934 at $60.43filing
7 Jun 2023filed 9 Jun 2023RDNT RadNetDiagnostics & LabsSEC FORM 4 Code A—4,066 at $0.00filing
8 Jun 2022filed 9 Jun 2023RDNT RadNetDiagnostics & LabsSEC FORM 4 Code A—6,269 at $0.00filing
8 Jun 2022filed 2 Aug 2022RDNT RadNetDiagnostics & LabsSEC FORM 4 Code A—6,269 at $0.00filing
11 Aug 2021filed 13 Aug 2021RDNT RadNetDiagnostics & LabsSEC FORM 4 Bought$151K4,519 at $33.47filing
10 Jun 2021filed 14 Jun 2021RDNT RadNetDiagnostics & LabsSEC FORM 4 Code A—3,999 at $0.00filing
2 Jan 2021filed 7 May 2021RDNT RadNetoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—16,447 at $0.00filing
2 Jan 2021filed 7 May 2021RDNT RadNetoption or derivative · Diagnostics & LabsSEC FORM 4 Code M—22,935 at $0.00filing
2 Jan 2021filed 7 May 2021RDNT RadNetDiagnostics & LabsSEC FORM 4 Code M—39,382 at $0.00filing
1 Jun 2020filed 3 Jun 2020RDNT RadNetDiagnostics & LabsSEC FORM 4 Code A—7,383 at $0.00filing
17 Sep 2019filed 27 Sep 2019RDNT RadNetDiagnostics & LabsSEC FORM 4 Code D$166K11,000 at $15.06filing
16 Sep 2019filed 27 Sep 2019RDNT RadNetDiagnostics & LabsSEC FORM 4 Code D$151K10,000 at $15.10filing

News

RadNet (NASDAQ:RDNT) Shares Cross Above 200 Day Moving Average – Should You Sell?RDNT · dailypolitical.com · 14 Oct 2026

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

Sectors

Health Care9

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

Related people

Howard G. BergerPresident, CEO · President, CEO at RadNet, filing Form 4 there in the last year
Cornelis WesdorpPres & CEO, Digital Health · Pres & CEO, Digital Health at RadNet, filing Form 4 there in the last year
Stephen M. ForthuberPres & CEO-Eastern Operations · Pres & CEO-Eastern Operations at RadNet, filing Form 4 there in the last year
Gregory E. SpurlockDirector · Director at RadNet, filing Form 4 there in the last year
Lawrence L. LevittDirector · Director at RadNet, filing Form 4 there in the last year
Donald J. TrumpPresident · Also traded RDNT in the last 90 days