Marianne Catherine Brown insider trades

Open-market stock purchases and sales by Marianne Catherine Brown, Unknown at International Business Machines Corp, from SEC Form 4 filings since Mar 31, 2020.

Track record: 100% of 1 scored buy are up 5% or more since purchase, averaging +85%.

Recent trades

DateStockTradeValue
Sep 30, 2026IBM International Business Machines CorpBought (not open market)$91.3K
Jul 1, 2026SCHW Schwab Charles CorpBought (not open market)—
May 26, 2026SCHW Schwab Charles CorpBought (not open market)—
May 26, 2026SCHW Schwab Charles CorpBought (not open market)—
May 20, 2026NOC Northrop Grumman Corp /de/Bought (not open market)$193K
May 13, 2026AKAM Akamai Technologies IncBought (not open market)—
Apr 1, 2026SCHW Schwab Charles CorpBought (not open market)—
Mar 31, 2026IBM International Business Machines CorpBought (not open market)$91.4K
Mar 31, 2026NOC Northrop Grumman Corp /de/Bought (not open market)$46.4K
Jan 2, 2026SCHW Schwab Charles CorpBought (not open market)—
Dec 31, 2025IBM International Business Machines CorpBought (not open market)$91.5K
Dec 31, 2025NOC Northrop Grumman Corp /de/Bought (not open market)$46.2K

Companies traded

  • IBM International Business Machines Corp: other filings, last Sep 30, 2026
  • SCHW Schwab Charles Corp: 1 buy, last Jul 1, 2026
  • NOC Northrop Grumman Corp /de/: other filings, last May 20, 2026
  • AKAM Akamai Technologies Inc: other filings, last May 13, 2026
  • VMW Vmware LLC: other filings, last Nov 22, 2023

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