Kelly Patrick Arthur, Co-President and COO of Cipher Mining Inc. ($CIFR), sold shares on the open market seven times over the past year, totaling about $3.4 million. His most recent sale occurred on February 17, 2026. These $CIFR insider sales rank 2,508th among 11,678 individual insiders in the database by total value sold, below the average of $8.6 million across about six transactions per insider. He made no open market purchases in the last 365 days.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 33968 | $0.00 | 1,453,776.0000 | 395,092,054 | 2.39% | 0.01% |
| March 31, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Performance Stock Units | 76427 | $0.00 | 534,986.0000 | 395,092,054 | 12.50% | 0.02% |
| March 31, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 29611 | $0.00 | 1,200,383.0000 | 395,092,054 | 2.41% | 0.01% |
| March 31, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 33968 | $0.00 | 1,229,994.0000 | 395,092,054 | 2.69% | 0.01% |
| March 31, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 36898 | $12.87 | 1,499,856.0000 | 395,092,054 | 2.40% | 0.01% |
| March 31, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 76427 | $0.00 | 1,536,754.0000 | 395,092,054 | 5.23% | 0.02% |
| March 31, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 10674 | $12.87 | 1,460,327.0000 | 395,092,054 | 0.73% | 0.00% |
| March 31, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 29611 | $0.00 | 1,471,001.0000 | 395,092,054 | 2.05% | 0.01% |
| March 31, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 12386 | $12.87 | 1,441,390.0000 | 395,092,054 | 0.85% | 0.00% |
| March 23, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | G | Common Stock | 21700 | $0.00 | 1,419,808.0000 | 395,092,054 | 1.51% | 0.01% |
| March 16, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | S | Common Stock | 35568 | $14.98 | 1,441,508.0000 | 395,092,054 | 2.41% | 0.01% |
| Feb. 25, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | A | Restricted Stock Units | 355338 | $0.00 | 1,263,962.0000 | 395,092,054 | 39.11% | 0.09% |
| Feb. 17, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | S | Common Stock | 35568 | $15.52 | 1,477,076.0000 | 395,092,054 | 2.35% | 0.01% |
| Jan. 15, 2026 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | S | Common Stock | 35568 | $17.76 | 1,512,644.0000 | 395,092,054 | 2.30% | 0.01% |
| Dec. 19, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 156064 | $16.21 | 1,548,212.0000 | 395,092,054 | 9.16% | 0.04% |
| Dec. 19, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | A | Performance Stock Units | 917120 | $0.00 | 917,120.0000 | 395,092,054 | 9999.99% | 0.23% |
| Dec. 19, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Performance Stock Units | 305707 | $0.00 | 611,413.0000 | 395,092,054 | 33.33% | 0.08% |
| Dec. 19, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 305707 | $0.00 | 1,704,276.0000 | 395,092,054 | 21.86% | 0.08% |
| Dec. 15, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 470219 | $0.00 | 1,621,989.0000 | 395,092,054 | 40.83% | 0.12% |
| Dec. 15, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | S | Common Stock | 35569 | $15.08 | 1,151,770.0000 | 395,092,054 | 3.00% | 0.01% |
| Dec. 15, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 33968 | $0.00 | 908,624.0000 | 395,092,054 | 3.60% | 0.01% |
| Dec. 15, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 470219 | $0.00 | 942,592.0000 | 395,092,054 | 33.28% | 0.12% |
| Dec. 15, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 17341 | $14.74 | 1,398,569.0000 | 395,092,054 | 1.22% | 0.00% |
| Dec. 15, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 33968 | $0.00 | 1,415,910.0000 | 395,092,054 | 2.46% | 0.01% |
| Dec. 15, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 240047 | $14.74 | 1,381,942.0000 | 395,092,054 | 14.80% | 0.06% |
| Nov. 17, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | S | Common Stock | 26580 | $14.20 | 1,187,339.0000 | 395,092,054 | 2.19% | 0.01% |
| Oct. 15, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | S | Common Stock | 26581 | $21.08 | 1,213,919.0000 | 361,529,468 | 2.14% | 0.01% |
| Sept. 30, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 366667 | $0.00 | 1,446,779.0000 | 361,529,468 | 20.22% | 0.10% |
| Sept. 30, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 17341 | $12.59 | 1,240,500.0000 | 361,529,468 | 1.38% | 0.00% |
| Sept. 30, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 33968 | $0.00 | 1,412,811.0000 | 361,529,468 | 2.35% | 0.01% |
| Sept. 30, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 366667 | $0.00 | 1,411,057.0000 | 361,529,468 | 35.11% | 0.10% |
| Sept. 30, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 187184 | $12.59 | 1,223,873.0000 | 361,529,468 | 13.27% | 0.05% |
| Sept. 30, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 33968 | $0.00 | 1,257,841.0000 | 361,529,468 | 2.78% | 0.01% |
| Sept. 15, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | S | Common Stock | 44870 | $10.80 | 1,044,390.0000 | 361,529,468 | 4.12% | 0.01% |
| Aug. 15, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | S | Common Stock | 44871 | $5.20 | 1,089,260.0000 | 361,529,468 | 3.96% | 0.01% |
| June 30, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 17341 | $4.78 | 1,134,131.0000 | 361,529,468 | 1.51% | 0.00% |
| June 30, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 33968 | $0.00 | 1,813,446.0000 | 361,529,468 | 1.84% | 0.01% |
| June 30, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 33968 | $0.00 | 1,151,472.0000 | 361,529,468 | 3.04% | 0.01% |
| June 16, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 79955 | $3.93 | 1,117,504.0000 | 361,529,468 | 6.68% | 0.02% |
| June 14, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 166667 | $0.00 | 1,847,414.0000 | 361,529,468 | 8.28% | 0.05% |
| June 14, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 166667 | $0.00 | 1,197,459.0000 | 361,529,468 | 16.17% | 0.05% |
| March 31, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 33968 | $0.00 | 2,014,081.0000 | 361,529,468 | 1.66% | 0.01% |
| March 31, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 33968 | $0.00 | 1,043,038.0000 | 361,529,468 | 3.37% | 0.01% |
| March 31, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 12246 | $2.30 | 1,030,792.0000 | 361,529,468 | 1.17% | 0.00% |
| Feb. 26, 2025 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | A | Restricted Stock Units | 407609 | $0.00 | 2,048,049.0000 | 361,529,468 | 24.85% | 0.11% |
| Dec. 18, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 234174 | $0.00 | 898,444.0000 | 0 | 35.25% | 0.00% |
| Dec. 18, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 470219 | $0.00 | 1,640,440.0000 | 0 | 22.28% | 0.00% |
| Dec. 18, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 470219 | $0.00 | 1,249,117.0000 | 0 | 60.37% | 0.00% |
| Dec. 18, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 240047 | $6.29 | 1,009,070.0000 | 0 | 19.22% | 0.00% |
| Dec. 18, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 234174 | $0.00 | 2,110,659.0000 | 0 | 9.99% | 0.00% |
| Dec. 18, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 119546 | $6.29 | 778,898.0000 | 0 | 13.31% | 0.00% |
| Nov. 8, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | S | Common Stock | 53161 | $7.16 | 664,270.0000 | 0 | 7.41% | 0.00% |
| Oct. 15, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | S | Common Stock | 89742 | $4.37 | 717,431.0000 | 0 | 11.12% | 0.00% |
| Sept. 13, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 198184 | $3.09 | 807,173.0000 | 0 | 19.71% | 0.00% |
| Sept. 13, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 366667 | $0.00 | 1,005,357.0000 | 0 | 57.41% | 0.00% |
| Sept. 13, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 366667 | $0.00 | 2,344,833.0000 | 0 | 13.52% | 0.00% |
| June 14, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 85083 | $4.95 | 638,690.0000 | 0 | 11.76% | 0.00% |
| June 14, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 166666 | $0.00 | 2,711,500.0000 | 0 | 5.79% | 0.00% |
| June 14, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 166666 | $0.00 | 723,773.0000 | 0 | 29.92% | 0.00% |
| March 9, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | A | Restricted Stock Units | 1410658 | $0.00 | 2,878,166.0000 | 0 | 96.13% | 0.00% |
| Jan. 1, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 234174 | $0.00 | 649,008.0000 | 0 | 56.45% | 0.00% |
| Jan. 1, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 91901 | $4.13 | 557,107.0000 | 0 | 14.16% | 0.00% |
| Jan. 1, 2024 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 234174 | $0.00 | 1,467,508.0000 | 0 | 13.76% | 0.00% |
| Sept. 13, 2023 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | F | Common Stock | 187183 | $2.77 | 414,834.0000 | 0 | 31.09% | 0.00% |
| Sept. 13, 2023 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Common Stock | 366666 | $0.00 | 602,017.0000 | 0 | 155.80% | 0.00% |
| Sept. 13, 2023 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | M | Restricted Stock Units | 366666 | $0.00 | 1,701,682.0000 | 0 | 17.73% | 0.00% |
| Aug. 16, 2023 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | S | Common Stock | 15000 | $3.32 | 270,351.0000 | 0 | 5.26% | 0.00% |
| Aug. 17, 2023 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | S | Common Stock | 35000 | $3.19 | 235,351.0000 | 0 | 12.95% | 0.00% |
| June 14, 2023 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Co-President and COO | A | Restricted Stock Units | 500000 | $0.00 | 2,068,348.0000 | 0 | 31.88% | 0.00% |
| Jan. 1, 2023 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Chief Operating Officer | M | Restricted Stock Units | 234174 | $0.00 | 1,568,348.0000 | 0 | 12.99% | 0.00% |
| Jan. 1, 2023 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Chief Operating Officer | F | Common Stock | 105145 | $0.64 | 285,351.0000 | 0 | 26.93% | 0.00% |
| Jan. 1, 2023 | Cipher Digital Inc. | $CIFR | Kelly Patrick Arthur | Chief Operating Officer | M | Common Stock | 234174 | $0.00 | 390,496.0000 | 0 | 149.80% | 0.00% |