Protara Therapeutics, Inc. ($PRTO) Insider Transactions

Last updated: 2026-04-02 21:10 UTC | Total transactions: 122

In the last 12 months, insiders at Protara Therapeutics, Inc. ($PRTO) filed 122 transactions with the SEC: 2 open-market purchases totaling $127,600 and 38 sales totaling $1,965,200. Net insider sentiment: net selling.

Protara Therapeutics, Inc. operates in the Biological products, (no disgnostic substances) industry (Life sciences sector).

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View all SEC Filings for Protara Therapeutics, Inc. (PRTO).

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Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
April 1, 2026 Zummo Jacqueline Chief R&D Officer S Common Stock 22598 $5.26 95,961.0000 42,836,129 19.06% 0.05%
Jan. 26, 2026 Fabbio Patrick Chief Financial Officer F Common Stock 3261 $6.67 64,115.0000 42,272,104 4.84% 0.01%
Jan. 26, 2026 Fry Hannah VP, Controller F Common Stock 1457 $6.67 42,723.0000 42,272,104 3.30% 0.00%
Jan. 26, 2026 Shefferman Jesse CEO and President F Common Stock 8732 $6.67 1,021,832.0000 42,272,104 0.85% 0.02%
Jan. 26, 2026 Zummo Jacqueline Chf Scientific Operations Off F Common Stock 3724 $6.67 118,559.0000 42,272,104 3.05% 0.01%
Jan. 20, 2026 Fry Hannah VP, Controller F Common Stock 2132 $5.60 44,180.0000 42,272,104 4.60% 0.01%
Jan. 20, 2026 Shefferman Jesse CEO and President F Common Stock 16322 $5.60 1,030,564.0000 42,272,104 1.56% 0.04%
Jan. 20, 2026 Fabbio Patrick Chief Financial Officer F Common Stock 3063 $5.60 67,376.0000 42,272,104 4.35% 0.01%
Jan. 20, 2026 Zummo Jacqueline Chf Scientific Operations Off F Common Stock 6578 $5.60 122,283.0000 42,272,104 5.10% 0.02%
Jan. 16, 2026 CONKLING WILLIAM Chief Commercial Officer A Stock Option (Right to Buy) 158000 $0.00 158,000.0000 42,272,104 9999.99% 0.37%
Jan. 16, 2026 CONKLING WILLIAM Chief Commercial Officer A Common Stock 26000 $0.00 76,000.0000 42,272,104 52.00% 0.06%
Jan. 16, 2026 Zummo Jacqueline Chf Scientific Operations Off A Stock Option (Right to Buy) 180000 $0.00 180,000.0000 42,272,104 9999.99% 0.43%
Jan. 16, 2026 Zummo Jacqueline Chf Scientific Operations Off A Common Stock 30000 $0.00 128,861.0000 42,272,104 30.35% 0.07%
Jan. 16, 2026 Shefferman Jesse CEO and President A Stock Option (Right to Buy) 524000 $0.00 524,000.0000 42,272,104 9999.99% 1.24%
Jan. 16, 2026 Shefferman Jesse CEO and President A Common Stock 87000 $0.00 1,046,886.0000 42,272,104 9.06% 0.21%
Jan. 16, 2026 Nicacio Leonardo Viana Chief Medical Officer A Stock Option (Right to Buy) 158000 $0.00 158,000.0000 42,272,104 9999.99% 0.37%
Jan. 16, 2026 Nicacio Leonardo Viana Chief Medical Officer A Common Stock 26000 $0.00 78,181.0000 42,272,104 49.83% 0.06%
Jan. 16, 2026 Fry Hannah VP, Controller A Stock Option (Right to Buy) 55000 $0.00 55,000.0000 42,272,104 9999.99% 0.13%
Jan. 16, 2026 Fry Hannah VP, Controller A Common Stock 9500 $0.00 46,312.0000 42,272,104 25.81% 0.02%
Jan. 16, 2026 Fabbio Patrick Chief Financial Officer A Stock Option (Right to Buy) 175000 $0.00 175,000.0000 42,272,104 9999.99% 0.41%
Jan. 16, 2026 Fabbio Patrick Chief Financial Officer A Common Stock 28000 $0.00 70,439.0000 42,272,104 65.98% 0.07%
June 24, 2025 Shefferman Jesse CEO and President G Common Stock 300000 $0.00 959,886.0000 40,707,937 23.81% 0.74%
June 26, 2025 Shefferman Jesse CEO and President G Common Stock 3400 $0.00 973,453.0000 40,707,937 0.35% 0.01%
June 27, 2025 Shefferman Jesse CEO and President G Common Stock 3367 $0.00 959,886.0000 40,707,937 0.35% 0.01%
June 27, 2025 Shefferman Jesse CEO and President G Common Stock 10200 $0.00 963,253.0000 40,707,937 1.05% 0.03%
June 26, 2025 Shefferman Jesse CEO and President G Common Stock 1700 $0.00 976,853.0000 40,707,937 0.17% 0.00%
June 12, 2025 BESHAR LUKE M Not found A Stock Option (Right to Buy) 24000 $0.00 24,000.0000 40,707,937 9999.99% 0.06%
June 12, 2025 Smith Cynthia Not found A Stock Option (Right to Buy) 24000 $0.00 24,000.0000 40,707,937 9999.99% 0.06%
June 12, 2025 Solomon Michael Edward Not found A Stock Option (Right to Buy) 24000 $0.00 24,000.0000 40,707,937 9999.99% 0.06%
June 12, 2025 Levy Richard S Not found A Stock Option (Right to Buy) 24000 $0.00 24,000.0000 40,707,937 9999.99% 0.06%
June 12, 2025 SARGEN GREGORY Not found A Stock Option (Right to Buy) 24000 $0.00 24,000.0000 40,707,937 9999.99% 0.06%
June 12, 2025 Flannelly Barry P Not found A Stock Option (Right to Buy) 24000 $0.00 24,000.0000 40,707,937 9999.99% 0.06%
June 12, 2025 GARCEAU ROGER Not found A Stock Option (Right to Buy) 24000 $0.00 24,000.0000 40,707,937 9999.99% 0.06%
June 12, 2025 Huang Jane Not found A Stock Option (Right to Buy) 24000 $0.00 24,000.0000 40,707,937 9999.99% 0.06%
June 2, 2025 CONKLING WILLIAM Chief Commercial Officer A Stock Option (Right to Buy) 200000 $0.00 200,000.0000 40,707,937 9999.99% 0.49%
June 2, 2025 CONKLING WILLIAM Chief Commercial Officer A Common Stock 50000 $0.00 50,000.0000 40,707,937 9999.99% 0.12%
May 14, 2025 Levy Richard S Not found P Common Stock 20000 $3.19 51,000.0000 40,707,937 64.52% 0.05%
May 14, 2025 Levy Richard S Not found P Common Stock 20000 $3.19 51,000.0000 40,707,937 64.52% 0.05%
April 15, 2025 Nicacio Leonardo Viana Chief Medical Officer A Common Stock 50000 $0.00 52,181.0000 40,707,937 2292.53% 0.12%
April 15, 2025 Nicacio Leonardo Viana Chief Medical Officer A Stock Option (Right to Buy) 150000 $0.00 150,000.0000 40,707,937 9999.99% 0.37%
March 26, 2025 Zummo Jacqueline Chf Scientific Operations Off S Common Stock 21224 $4.53 98,861.0000 20,592,847 17.67% 0.10%
Jan. 24, 2025 Fabbio Patrick Chief Financial Officer A Common Stock 23500 $0.00 45,500.0000 20,592,847 106.82% 0.11%
Jan. 24, 2025 Fry Hannah VP, Controller A Common Stock 9500 $0.00 38,942.0000 20,592,847 32.27% 0.05%
Jan. 24, 2025 Zummo Jacqueline Chf Scientific Operations Off A Stock Option (Right to Buy) 146000 $0.00 146,000.0000 20,592,847 9999.99% 0.71%
Jan. 24, 2025 Zummo Jacqueline Chf Scientific Operations Off A Common Stock 24500 $0.00 126,639.0000 20,592,847 23.99% 0.12%
Jan. 24, 2025 Shefferman Jesse CEO and President A Stock Option (Right to Buy) 387000 $0.00 387,000.0000 20,592,847 9999.99% 1.88%
Jan. 24, 2025 Fabbio Patrick Chief Financial Officer A Stock Option (Right to Buy) 140000 $0.00 140,000.0000 20,592,847 9999.99% 0.68%
Jan. 24, 2025 Shefferman Jesse CEO and President A Common Stock 65000 $0.00 994,022.0000 20,592,847 7.00% 0.32%
Jan. 24, 2025 Fry Hannah VP, Controller A Stock Option (Right to Buy) 55000 $0.00 55,000.0000 20,592,847 9999.99% 0.27%
Jan. 21, 2025 Fry Hannah VP, Controller F Common Stock 2130 $4.76 27,312.0000 20,592,847 7.23% 0.01%
Jan. 21, 2025 Fabbio Patrick Chief Financial Officer F Common Stock 3061 $4.76 18,939.0000 20,592,847 13.91% 0.01%
Jan. 21, 2025 Shefferman Jesse CEO and President F Common Stock 15469 $4.76 913,553.0000 20,592,847 1.67% 0.08%
Jan. 21, 2025 Zummo Jacqueline Chf Scientific Operations Off F Common Stock 6554 $4.76 95,585.0000 20,592,847 6.42% 0.03%
Jan. 3, 2025 Fry Hannah VP, Controller F Common Stock 394 $6.14 29,442.0000 20,592,847 1.32% 0.00%
Jan. 3, 2025 Shefferman Jesse CEO and President F Common Stock 6479 $6.14 929,022.0000 20,592,847 0.69% 0.03%
Jan. 3, 2025 Zummo Jacqueline Chf Scientific Operations Off F Common Stock 2157 $6.14 102,139.0000 20,592,847 2.07% 0.01%
Sept. 11, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 1600 $1.71 1,995,634.0000 21,233,163 0.08% 0.01%
Sept. 11, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 31000 $1.71 2,108,935.0000 21,233,163 1.45% 0.15%
Sept. 12, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 6500 $1.71 1,989,134.0000 21,233,163 0.33% 0.03%
Sept. 12, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 119801 $1.71 1,989,134.0000 21,233,163 5.68% 0.56%
Sept. 10, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 24000 $1.77 2,148,035.0000 21,233,163 1.10% 0.11%
Sept. 10, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 1500 $1.77 2,148,035.0000 21,233,163 0.07% 0.01%
Sept. 9, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 1900 $1.89 2,149,535.0000 21,233,163 0.09% 0.01%
Sept. 9, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 34592 $1.89 2,172,035.0000 21,233,163 1.57% 0.16%
Aug. 28, 2024 Shefferman Jesse CEO and President G Common Stock 5263 $0.00 938,801.0000 21,233,163 0.56% 0.02%
Aug. 28, 2024 Shefferman Jesse CEO and President G Common Stock 3300 $0.00 935,501.0000 21,233,163 0.35% 0.02%
July 16, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 3500 $2.44 2,210,027.0000 21,233,163 0.16% 0.02%
July 16, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 7896 $2.44 2,210,027.0000 21,233,163 0.36% 0.04%
July 11, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 32993 $2.40 2,221,423.0000 21,233,163 1.46% 0.16%
July 9, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 5997 $2.21 2,267,477.0000 21,233,163 0.26% 0.03%
July 9, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 2500 $2.21 2,241,423.0000 21,233,163 0.11% 0.01%
July 10, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 13061 $2.31 2,254,416.0000 21,233,163 0.58% 0.06%
July 10, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 5000 $2.31 2,236,423.0000 21,233,163 0.22% 0.02%
July 11, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 15000 $2.40 2,221,423.0000 21,233,163 0.67% 0.07%
July 1, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 2500 $2.12 2,300,974.0000 21,233,163 0.11% 0.01%
July 1, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 5788 $2.12 2,300,974.0000 21,233,163 0.25% 0.03%
June 27, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 34103 $2.26 2,317,256.0000 11,420,948 1.45% 0.30%
June 28, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 5000 $2.07 2,304,262.0000 11,420,948 0.22% 0.04%
June 28, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 12994 $2.07 2,304,262.0000 11,420,948 0.56% 0.11%
June 27, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 12471 $2.26 2,309,262.0000 11,420,948 0.54% 0.11%
June 25, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 6225 $2.26 2,368,830.0000 11,420,948 0.26% 0.05%
June 25, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 6500 $2.26 2,368,830.0000 11,420,948 0.27% 0.06%
June 7, 2024 SARGEN GREGORY Not found A Stock Option (Right to Buy) 10000 $0.00 10,000.0000 11,420,948 9999.99% 0.09%
June 7, 2024 Solomon Michael Edward Not found A Stock Option (Right to Buy) 10000 $0.00 10,000.0000 11,420,948 9999.99% 0.09%
June 7, 2024 Smith Cynthia Not found A Stock Option (Right to Buy) 10000 $0.00 10,000.0000 11,420,948 9999.99% 0.09%
June 7, 2024 Flannelly Barry P Not found A Stock Option (Right to Buy) 10000 $0.00 10,000.0000 11,420,948 9999.99% 0.09%
June 7, 2024 GARCEAU ROGER Not found A Stock Option (Right to Buy) 10000 $0.00 10,000.0000 11,420,948 9999.99% 0.09%
June 7, 2024 Levy Richard S Not found A Stock Option (Right to Buy) 10000 $0.00 10,000.0000 11,420,948 9999.99% 0.09%
June 7, 2024 BESHAR LUKE M Not found A Stock Option (Right to Buy) 10000 $0.00 10,000.0000 11,420,948 9999.99% 0.09%
June 7, 2024 Huang Jane Not found A Stock Option (Right to Buy) 10000 $0.00 10,000.0000 11,420,948 9999.99% 0.09%
May 31, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 5824 $2.90 108,696.0000 11,420,948 5.09% 0.05%
May 30, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 9230 $2.94 114,520.0000 11,420,948 7.46% 0.08%
May 21, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 1800 $3.06 2,406,409.0000 11,420,948 0.07% 0.02%
May 21, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 31200 $3.06 2,405,909.0000 11,420,948 1.28% 0.27%
May 22, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 500 $3.00 2,405,909.0000 11,420,948 0.02% 0.00%
May 22, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 9300 $3.02 4,555,018.0000 11,420,948 0.20% 0.08%
May 17, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 2750 $3.33 2,440,609.0000 11,420,948 0.11% 0.02%
May 17, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 19685 $3.06 2,439,409.0000 11,420,948 0.80% 0.17%
May 17, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 1200 $3.06 2,439,409.0000 11,420,948 0.05% 0.01%
May 17, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 47250 $3.33 2,459,094.0000 11,420,948 1.89% 0.41%
May 10, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 151700 $3.11 2,380,294.0000 11,420,948 5.99% 1.33%
May 9, 2024 Opaleye Management Inc. TenPercentOwner S Common Stock, par value $0.001 per share 30600 $3.09 2,531,994.0000 11,420,948 1.19% 0.27%
Jan. 19, 2024 Fry Hannah VP, Controller F Common Stock 904 $1.91 29,836.0000 11,331,338 2.94% 0.01%
Jan. 19, 2024 Shefferman Jesse CEO and President A Common Stock 59000 $0.00 951,867.0000 11,331,338 6.61% 0.52%
Jan. 19, 2024 Shefferman Jesse CEO and President F Common Stock 7803 $1.91 944,064.0000 11,331,338 0.82% 0.07%
Jan. 19, 2024 Shefferman Jesse CEO and President A Stock Option (Right to Buy) 357000 $0.00 357,000.0000 11,331,338 9999.99% 3.15%
Jan. 19, 2024 Bandari Jathin Chief Medical Officer A Common Stock 23000 $0.00 59,583.0000 11,331,338 62.87% 0.20%
Jan. 19, 2024 Bandari Jathin Chief Medical Officer F Common Stock 2879 $1.91 56,704.0000 11,331,338 4.83% 0.03%
Jan. 19, 2024 Bandari Jathin Chief Medical Officer A Stock Option (Right to Buy) 137000 $0.00 137,000.0000 11,331,338 9999.99% 1.21%
Jan. 19, 2024 Zummo Jacqueline Chf Scientific Operations Off A Common Stock 23000 $0.00 107,345.0000 11,331,338 27.27% 0.20%
Jan. 19, 2024 Zummo Jacqueline Chf Scientific Operations Off F Common Stock 3049 $1.91 104,296.0000 11,331,338 2.84% 0.03%
Jan. 19, 2024 Zummo Jacqueline Chf Scientific Operations Off A Stock Option (Right to Buy) 137000 $0.00 137,000.0000 11,331,338 9999.99% 1.21%
Jan. 19, 2024 Fabbio Patrick Chief Financial Officer A Common Stock 22000 $0.00 22,000.0000 11,331,338 9999.99% 0.19%
Jan. 19, 2024 Fabbio Patrick Chief Financial Officer A Stock Option (Right to Buy) 131000 $0.00 131,000.0000 11,331,338 9999.99% 1.16%
Jan. 19, 2024 Fry Hannah VP, Controller A Common Stock 8000 $0.00 30,740.0000 11,331,338 35.18% 0.07%
Jan. 19, 2024 Fry Hannah VP, Controller A Stock Option (Right to Buy) 46000 $0.00 46,000.0000 11,331,338 9999.99% 0.41%
Jan. 10, 2024 Bandari Jathin Chief Medical Officer F Common Stock 1877 $2.39 36,583.0000 11,331,338 4.88% 0.02%
Jan. 10, 2024 Zummo Jacqueline Chf Scientific Operations Off F Common Stock 5229 $2.39 84,345.0000 11,331,338 5.84% 0.05%
Jan. 10, 2024 Shefferman Jesse CEO and President F Common Stock 5746 $2.39 892,867.0000 11,331,338 0.64% 0.05%
Jan. 3, 2024 Fry Hannah VP, Controller F Common Stock 324 $2.17 22,740.0000 11,331,338 1.40% 0.00%
Jan. 3, 2024 Shefferman Jesse CEO and President F Common Stock 5840 $2.17 898,613.0000 11,331,338 0.65% 0.05%
Jan. 3, 2024 Zummo Jacqueline Chf Scientific Operations Off F Common Stock 1899 $2.17 89,574.0000 11,331,338 2.08% 0.02%