Who
Richard J. Mark
Director
Company insider
Files Form 4 as: Director, DBA Sempra; Director, Tenet Healthcare; Senior VP of Subsidiary, Ameren.
In numbers
- Trades disclosed
- 109
- Buys
- 3
- Sells
- 11
- Bought
- $1.2M
- Sold
- $10.2M
- Companies
- 3
- Companies where not an officer
- 2
- First trade
- 1 Mar 2006
- Last trade
- 1 Oct 2026
- Last filed
- 2 Oct 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 1 Oct 2026filed 2 Oct 2026 | SRE DBA Sempraoption or derivative · Electric Utilities & IPPs | SEC FORM 4 Code A | $12K160.15 at $78.05 | filing |
| 10 Sep 2026filed 14 Sep 2026 | THC Tenet HealthcareProviders & Facilities | SEC FORM 4 Sold | $2.6M10,000 at $263.42 | filing |
| 10 Sep 2026filed 14 Sep 2026 | THC Tenet HealthcareProviders & Facilities | SEC FORM 4 Sold | $2.6M10,000 at $263.42 | filing |
| 1 Jul 2026filed 2 Jul 2026 | SRE DBA Sempraoption or derivative · Electric Utilities & IPPs | SEC FORM 4 Code A | $13K136.81 at $91.37 | filing |
| 1 Jul 2026filed 2 Jul 2026 | SRE DBA Sempraoption or derivative · Electric Utilities & IPPs | SEC FORM 4 Code A | $13K136.81 at $91.37 | filing |
| 27 May 2026filed 28 May 2026 | THC Tenet Healthcareoption or derivative · Providers & Facilities | SEC FORM 4 Code A | —1,188 at $0.00 | filing |
| 27 May 2026filed 28 May 2026 | THC Tenet Healthcareoption or derivative · Providers & Facilities | SEC FORM 4 Code A | —1,188 at $0.00 | filing |
| 22 May 2026filed 26 May 2026 | THC Tenet HealthcareProviders & Facilities | SEC FORM 4 Code M | —1,333 | filing |
| 22 May 2026filed 26 May 2026 | THC Tenet HealthcareProviders & Facilities | SEC FORM 4 Code D | $86K493 at $173.78 | filing |
| 22 May 2026filed 26 May 2026 | THC Tenet Healthcareoption or derivative · Providers & Facilities | SEC FORM 4 Code M | —1,333 | filing |
| 22 May 2026filed 26 May 2026 | THC Tenet Healthcareoption or derivative · Providers & Facilities | SEC FORM 4 Code M | —1,333 | filing |
| 22 May 2026filed 26 May 2026 | THC Tenet HealthcareProviders & Facilities | SEC FORM 4 Code M | —1,333 | filing |
| 22 May 2026filed 26 May 2026 | THC Tenet HealthcareProviders & Facilities | SEC FORM 4 Code D | $86K493 at $173.78 | filing |
| 12 May 2026filed 13 May 2026 | SRE DBA SempraElectric Utilities & IPPs | SEC FORM 4 Code A | —1,499 at $0.00 | filing |
| 12 May 2026filed 13 May 2026 | SRE DBA SempraElectric Utilities & IPPs | SEC FORM 4 Code A | —1,499 at $0.00 | filing |
| 1 Apr 2026filed 2 Apr 2026 | SRE DBA Sempraoption or derivative · Electric Utilities & IPPs | SEC FORM 4 Code A | $12K128.32 at $97.41 | filing |
| 1 Apr 2026filed 2 Apr 2026 | SRE DBA Sempraoption or derivative · Electric Utilities & IPPs | SEC FORM 4 Code A | $12K128.32 at $97.41 | filing |
| 11 Mar 2026filed 11 Mar 2026 | SRE DBA SempraElectric Utilities & IPPs | SEC FORM 4 Bought | $251K2,692 at $93.30 | filing |
| 11 Mar 2026filed 11 Mar 2026 | SRE DBA SempraElectric Utilities & IPPs | SEC FORM 4 Bought | $251K2,692 at $93.30 | filing |
| 2 Jan 2026filed 5 Jan 2026 | SRE DBA Sempraoption or derivative · Electric Utilities & IPPs | SEC FORM 4 Code A | $13K139.34 at $89.71 | filing |
News
Reviewing HealthEquity (NASDAQ:HQY) & Tenet Healthcare (NYSE:THC)THC · themarketsdaily.com · 19 Oct 2026Critical Review: Henry Schein (NASDAQ:HSIC) & Tenet Healthcare (NYSE:THC)THC · tickerreport.com · 16 Oct 2026Tenet Healthcare's Rally Raises a Key Question About Its ValuationTHC · insidermonkey.com · 16 Oct 2026
0 headlines in the last 90 days name Richard J. Mark; 3 articles from the last 14 days about the 2 companies they traded most, at most three about any one of them.