Director Williams Gregg actively bought Vivani Medical, Inc. ($VANI) shares on the open market 29 times over the last year, totaling about $20.6 million. His most recent purchase occurred on February 15, 2026. These buys rank him 57th among nearly 5,000 insiders in our database by purchase value, far exceeding the average of $1.5 million across about 3 transactions per insider. Gregg made no open market sales in the period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 15, 2026 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 264551 | $1.26 | 36,156,383.0000 | 72,952,235 | 0.74% | 0.36% |
| March 15, 2026 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1310680 | $1.03 | 35,891,832.0000 | 72,952,235 | 3.79% | 1.80% |
| Feb. 15, 2026 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1601941 | $1.03 | 34,316,601.0000 | 72,952,235 | 4.90% | 2.20% |
| Feb. 15, 2026 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 264551 | $1.26 | 34,581,152.0000 | 72,952,235 | 0.77% | 0.36% |
| Jan. 27, 2026 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1351351 | $1.48 | 32,714,660.0000 | 72,952,235 | 4.31% | 1.85% |
| Jan. 15, 2026 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 264551 | $1.26 | 31,363,309.0000 | 72,952,235 | 0.85% | 0.36% |
| Jan. 15, 2026 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1473214 | $1.12 | 31,098,758.0000 | 72,952,235 | 4.97% | 2.02% |
| Jan. 1, 2026 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | A | Non-Qualified Stock Option (right to buy) | 72392 | $1.23 | 72,392.0000 | 72,952,235 | 9999.99% | 0.10% |
| Dec. 15, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1473214 | $1.12 | 29,360,993.0000 | 72,952,235 | 5.28% | 2.02% |
| Dec. 15, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 264551 | $1.26 | 29,625,544.0000 | 72,952,235 | 0.90% | 0.36% |
| Nov. 15, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 264550 | $1.26 | 27,887,779.0000 | 72,952,235 | 0.96% | 0.36% |
| Nov. 15, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1473214 | $1.12 | 27,623,229.0000 | 72,952,235 | 5.63% | 2.02% |
| Oct. 27, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 3703703 | $1.62 | 26,150,015.0000 | 59,242,903 | 16.50% | 6.25% |
| Oct. 15, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 264550 | $1.26 | 22,446,312.0000 | 59,242,903 | 1.19% | 0.45% |
| Oct. 15, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1473214 | $1.12 | 22,181,762.0000 | 59,242,903 | 7.11% | 2.49% |
| Sept. 15, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1473215 | $1.12 | 20,113,310.0000 | 59,242,903 | 7.90% | 2.49% |
| Sept. 15, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 595238 | $1.26 | 20,708,548.0000 | 59,242,903 | 2.96% | 1.00% |
| Jan. 1, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | D | Non-Qualified Stock Option (right to buy) | 364 | $1.16 | 76,393.0000 | 0 | 0.47% | 0.00% |
| June 24, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | A | Non-Qualified Stock Option (right to buy) | 35135 | $1.27 | 35,135.0000 | 59,242,903 | 9999.99% | 0.06% |
| May 16, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 2405 | $1.01 | 13,840,895.0000 | 59,242,903 | 0.02% | 0.00% |
| May 14, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 3499 | $1.01 | 13,831,654.0000 | 59,242,903 | 0.03% | 0.01% |
| May 15, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 6836 | $1.01 | 13,838,490.0000 | 59,242,903 | 0.05% | 0.01% |
| April 24, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1113 | $1.01 | 13,828,155.0000 | 59,242,903 | 0.01% | 0.00% |
| April 21, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1569 | $1.01 | 13,826,799.0000 | 59,242,903 | 0.01% | 0.00% |
| April 22, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 243 | $1.01 | 13,827,042.0000 | 59,242,903 | 0.00% | 0.00% |
| April 11, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 2311 | $1.01 | 13,825,230.0000 | 59,242,903 | 0.02% | 0.00% |
| April 9, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 18529 | $1.02 | 13,822,919.0000 | 59,242,903 | 0.13% | 0.03% |
| April 7, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 58583 | $0.99 | 18,540,691.0000 | 59,242,903 | 0.32% | 0.10% |
| April 4, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 34000 | $0.99 | 18,559,190.0000 | 59,242,903 | 0.18% | 0.06% |
| April 7, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 44400 | $0.99 | 18,603,590.0000 | 59,242,903 | 0.24% | 0.07% |
| April 4, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 5600 | $0.98 | 18,482,108.0000 | 59,242,903 | 0.03% | 0.01% |
| April 8, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 62899 | $1.02 | 18,603,590.0000 | 59,242,903 | 0.34% | 0.11% |
| April 3, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 22939 | $1.00 | 18,398,108.0000 | 59,242,903 | 0.12% | 0.04% |
| April 2, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 2000 | $1.01 | 18,375,169.0000 | 59,242,903 | 0.01% | 0.00% |
| Jan. 1, 2025 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | A | Non-Qualified Stock Option (right to buy) | 76757 | $1.16 | 76,757.0000 | 0 | 9999.99% | 0.00% |
| Nov. 8, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 3968253 | $1.26 | 18,373,169.0000 | 0 | 27.55% | 0.00% |
| June 27, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | A | Common Stock Option | 34839 | $0.00 | 34,839.0000 | 0 | 9999.99% | 0.00% |
| Feb. 15, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1078 | $1.01 | 14,404,916.0000 | 0 | 0.01% | 0.00% |
| Feb. 9, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1071 | $1.01 | 14,403,838.0000 | 0 | 0.01% | 0.00% |
| Feb. 8, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1119 | $1.01 | 14,402,767.0000 | 0 | 0.01% | 0.00% |
| Feb. 5, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 1939 | $1.01 | 14,401,592.0000 | 0 | 0.01% | 0.00% |
| Feb. 6, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 56 | $1.01 | 14,401,648.0000 | 0 | 0.00% | 0.00% |
| Jan. 31, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 100 | $1.01 | 14,399,653.0000 | 0 | 0.00% | 0.00% |
| Jan. 23, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 834 | $1.01 | 14,399,553.0000 | 0 | 0.01% | 0.00% |
| Jan. 22, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 7620 | $1.01 | 14,398,719.0000 | 0 | 0.05% | 0.00% |
| Jan. 18, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 999 | $1.01 | 14,391,022.0000 | 0 | 0.01% | 0.00% |
| Jan. 19, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 77 | $1.01 | 14,391,099.0000 | 0 | 0.00% | 0.00% |
| Jan. 16, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 13067 | $1.01 | 14,390,023.0000 | 0 | 0.09% | 0.00% |
| Jan. 8, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 6731 | $1.08 | 14,376,956.0000 | 0 | 0.05% | 0.00% |
| Jan. 4, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 4200 | $1.07 | 14,368,225.0000 | 0 | 0.03% | 0.00% |
| Jan. 5, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 2000 | $1.08 | 14,370,225.0000 | 0 | 0.01% | 0.00% |
| Jan. 3, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 3563 | $1.01 | 14,364,025.0000 | 0 | 0.02% | 0.00% |
| Jan. 2, 2024 | Vivani Medical, Inc. | $VANI | Williams Gregg | Director | P | Common Stock | 3548 | $1.01 | 14,360,462.0000 | 0 | 0.02% | 0.00% |