Who
Marianne Catherine Brown
Director
Company insider
Files Form 4 as: Director, Charles Schwab; Director, Northrop Grumman; Director, International Business Machines; Director, Akamai Technologies; Director, Vmware.
In numbers
- Trades disclosed
- 118
- Buys
- 1
- Sells
- 0
- Bought
- $267K
- Sold
- $0
- Companies
- 5
- Companies where not an officer
- 5
- First trade
- 31 Mar 2020
- Last trade
- 1 Oct 2026
- Last filed
- 5 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 5 Oct 2026 | SCHW Charles Schwaboption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code A | —407 | filing |
| 30 Sep 2026filed 1 Oct 2026 | NOC Northrop GrummanAerospace & Defense | SEC FORM 4 Code A | $46K96 at $483.48 | filing |
| 30 Sep 2026filed 1 Oct 2026 | IBM International Business Machinesoption or derivative · IT Services & Consulting | SEC FORM 4 Code A | $91K415 at $219.93 | filing |
| 1 Jul 2026filed 6 Jul 2026 | SCHW Charles Schwaboption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code A | —418 | filing |
| 1 Jul 2026filed 6 Jul 2026 | SCHW Charles Schwaboption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code A | —418 | filing |
| 30 Jun 2026filed 2 Jul 2026 | IBM International Business Machinesoption or derivative · IT Services & Consulting | SEC FORM 4 Code A | $91K325 at $281.21 | filing |
| 30 Jun 2026filed 2 Jul 2026 | IBM International Business Machinesoption or derivative · IT Services & Consulting | SEC FORM 4 Code A | $91K325 at $281.21 | filing |
| 30 Jun 2026filed 1 Jul 2026 | NOC Northrop GrummanAerospace & Defense | SEC FORM 4 Code A | $46K91 at $509.31 | filing |
| 30 Jun 2026filed 1 Jul 2026 | NOC Northrop GrummanAerospace & Defense | SEC FORM 4 Code A | $46K91 at $509.31 | filing |
| 26 May 2026filed 27 May 2026 | SCHW Charles SchwabCapital Markets & Asset Management | SEC FORM 4 Code A | —1,602 at $0.00 | filing |
| 26 May 2026filed 27 May 2026 | SCHW Charles Schwaboption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code A | —3,977 at $0.00 | filing |
| 26 May 2026filed 27 May 2026 | SCHW Charles Schwaboption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code A | —3,977 at $0.00 | filing |
| 26 May 2026filed 27 May 2026 | SCHW Charles SchwabCapital Markets & Asset Management | SEC FORM 4 Code A | —1,602 at $0.00 | filing |
| 20 May 2026filed 21 May 2026 | NOC Northrop GrummanAerospace & Defense | SEC FORM 4 Code A | $193K349 at $552.17 | filing |
| 20 May 2026filed 21 May 2026 | NOC Northrop GrummanAerospace & Defense | SEC FORM 4 Code A | $193K349 at $552.17 | filing |
| 13 May 2026filed 14 May 2026 | AKAM Akamai Technologiesoption or derivative · Business Services | SEC FORM 4 Code A | —1,892 at $0.00 | filing |
| 13 May 2026filed 14 May 2026 | AKAM Akamai Technologiesoption or derivative · Business Services | SEC FORM 4 Code A | —1,892 at $0.00 | filing |
| 1 Apr 2026filed 2 Apr 2026 | SCHW Charles Schwaboption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code A | —434 | filing |
| 1 Apr 2026filed 2 Apr 2026 | SCHW Charles Schwaboption or derivative · Capital Markets & Asset Management | SEC FORM 4 Code A | —434 | filing |
| 31 Mar 2026filed 2 Apr 2026 | NOC Northrop GrummanAerospace & Defense | SEC FORM 4 Code A | $46K68 at $682.24 | filing |
News
Charles Schwab, JPMorgan Restrict Third-Party AI Agents Over Security RisksSCHW · theepochtimes.com · 18 Oct 2026Charles Schwab CEO: AI agents trading on your behalf need 'rules of the road'SCHW · aol.com · 16 Oct 2026After JPMorgan, Charles Schwab blocks unauthorised AI agents from accessing customer accountsSCHW · moneycontrol.com · 16 Oct 2026
0 headlines in the last 90 days name Marianne Catherine Brown; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.