Robert J. Bitterman

Companies

• Phio Pharmaceuticals Corp.Chief executive officer Feb 22, 2023 to now¹
• Phio Pharmaceuticals Corp.Chair Nov 16, 2022 to now²
• Phio Pharmaceuticals Corp.President Feb 22, 2023 to Jun 11, 2024¹
• Phio Pharmaceuticals Corp.Board member Mar 1, 2013 to Jun 11, 2024³

Holdings

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

Shares held

• PPPhio Pharmaceuticals Corp. PHIO764,871 shares⁴$708.3K at $0.93Sep 28, 2026

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

Recent filings

• Sep 28, 2026Granted 400,000 shares of Phio Pharmaceuticals Corp.⁴
• Sep 22, 2026Bought 2,000 shares at $1.03 of Phio Pharmaceuticals Corp.⁵
• Sep 11, 2026Shares withheld for tax 68,550 shares at $1.03 of Phio Pharmaceuticals Corp.⁶
• Aug 18, 2026Bought 10,000 shares at $1.06 of Phio Pharmaceuticals Corp.⁷
• Jun 26, 2026Bought 10,000 shares at $0.99 of Phio Pharmaceuticals Corp.⁸
• Feb 5, 2026Granted 120,000 shares of Phio Pharmaceuticals Corp.⁹
• Dec 31, 2025Bought 5,000 shares at $1.03 of Phio Pharmaceuticals Corp.¹⁰
• Dec 23, 2025Bought 5,000 shares at $1.02 of Phio Pharmaceuticals Corp.¹¹
• Nov 21, 2025Bought 5,000 shares at $1.14 of Phio Pharmaceuticals Corp.¹²
• Nov 18, 2025Bought 5,000 shares at $1.27 of Phio Pharmaceuticals Corp.¹³
• Sep 11, 2025Granted 250,000 shares of Phio Pharmaceuticals Corp.¹⁴
• Sep 11, 2025Shares withheld for tax 4,111 shares at $2.32 of Phio Pharmaceuticals Corp.¹⁴
• Jun 10, 2025Bought 2,000 shares at $2.42 of Phio Pharmaceuticals Corp.¹⁵
• Jun 9, 2025Bought 1,500 shares at $2.75 of Phio Pharmaceuticals Corp.¹⁶
• May 22, 2025Bought 1,200 shares at $1.78 of Phio Pharmaceuticals Corp.¹⁷
• May 21, 2025Bought 3,000 shares at $1.77 of Phio Pharmaceuticals Corp.¹⁷
• Sep 11, 2024Granted 15,500 shares of Phio Pharmaceuticals Corp.¹⁸
• Jun 7, 2024Bought 1,000 shares at $0.74 of Phio Pharmaceuticals Corp.¹⁹
• Jun 6, 2024Bought 1,000 shares at $0.75 of Phio Pharmaceuticals Corp.²⁰
• Feb 26, 2024Bought 2,500 shares at $0.91 of Phio Pharmaceuticals Corp.²¹
• Feb 20, 2024Shares withheld for tax 1,804 shares at $0.76 of Phio Pharmaceuticals Corp.²²
• Oct 1, 2023Shares withheld for tax 917 shares at $1.51 of Phio Pharmaceuticals Corp.²³
• Jul 1, 2023Bought 1,000 shares at $2.84 of Phio Pharmaceuticals Corp.²⁴
• Jun 30, 2023Bought 1,000 shares at $2.88 of Phio Pharmaceuticals Corp.²⁴
• Feb 20, 2023Granted 11,000 shares of Phio Pharmaceuticals Corp.²⁵