Mark Holdsworth

Companies

• R F INDUSTRIES LTDBoard member Jan 5, 2021 to now¹
• Parsons CorporationBoard member May 7, 2019 to now²
• Legacy IMBDS, Inc.Board member Nov 14, 2016 to Jun 15, 2018³
• BlackRock TCP Capital Corp.Authorized Person Dec 12, 2012 to Feb 6, 2018⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• RFR F INDUSTRIES LTD RFIL835,297 shares⁵$6.0M at $7.14Sep 14, 2026
• Parsons Corporation PSN39,918 shares⁶$1.8M at $44.19May 12, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 10, 2026Granted 7,850 shares of R F INDUSTRIES LTD⁵
• May 12, 2026Bought 6,754 shares at $51.54 of Parsons Corporation⁶
• May 12, 2026Bought 3,246 shares at $50.70 of Parsons Corporation⁶
• Apr 14, 2026Granted 2,947 shares of Parsons Corporation⁷
• Sep 10, 2025Granted 10,416 shares of R F INDUSTRIES LTD⁸
• Apr 15, 2025Granted 2,682 shares of Parsons Corporation⁹
• Mar 27, 2025Bought 10,000 shares at $4.74 of R F INDUSTRIES LTD¹⁰
• Mar 27, 2025Bought 5,000 shares at $4.68 of R F INDUSTRIES LTD¹⁰
• Oct 15, 2024Bought 7,009 shares at $4.00 of R F INDUSTRIES LTD¹¹
• Oct 4, 2024Bought 8,815 shares at $4.07 of R F INDUSTRIES LTD¹²
• Oct 3, 2024Bought 100 shares at $3.95 of R F INDUSTRIES LTD¹²
• Oct 2, 2024Bought 8,800 shares at $3.97 of R F INDUSTRIES LTD¹²
• Oct 1, 2024Bought 10,000 shares at $4.00 of R F INDUSTRIES LTD¹³
• Sep 30, 2024Bought 5,000 shares at $3.94 of R F INDUSTRIES LTD¹³
• Sep 27, 2024Bought 220 shares at $3.69 of R F INDUSTRIES LTD¹³
• Sep 5, 2024Granted 13,476 shares of R F INDUSTRIES LTD¹⁴
• Apr 16, 2024Granted 2,179 shares of Parsons Corporation¹⁵
• Nov 1, 2023Granted 6,756 shares of R F INDUSTRIES LTD¹⁶
• Oct 3, 2023Bought 1,517 shares at $2.83 of R F INDUSTRIES LTD¹⁷
• Oct 2, 2023Bought 454 shares at $2.93 of R F INDUSTRIES LTD¹⁷
• Sep 29, 2023Bought 8,000 shares at $3.01 of R F INDUSTRIES LTD¹⁷
• Sep 27, 2023Bought 57,042 shares at $2.70 of R F INDUSTRIES LTD¹⁸
• Sep 26, 2023Bought 13,723 shares at $2.57 of R F INDUSTRIES LTD¹⁸
• Sep 6, 2023Granted 13,333 shares of R F INDUSTRIES LTD¹⁹
• Apr 18, 2023Granted 3,855 shares of Parsons Corporation²⁰