Williams Gregg (CIK 0001624919)

Latest company ownership

Shares held
4,799,200
Last filed at
Nov 17, 2025
Confidence Score
99.2
2025Q4
Confidence Score History
2014Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 15, 2025 Dec 16, 2025 Vivani Medical, Inc. Director Buy 95.0 +1,737,765 6.23% ✗ $2M
Nov 15, 2025 Nov 17, 2025 Vivani Medical, Inc. Director Buy 95.0 +1,737,764 6.65% ✗ $2M
Oct 27, 2025 Oct 28, 2025 Vivani Medical, Inc. Director Buy 100.0 +3,703,703 16.50% ✗ $6M
Oct 15, 2025 Oct 16, 2025 Vivani Medical, Inc. Director Buy 95.0 +1,737,764 8.39% ✗ $2M
Sep 15, 2025 Sep 17, 2025 Vivani Medical, Inc. Director Buy 100.0 +2,068,453 11.10% ✗ $2.4M
May 14, 2025 May 16, 2025 Vivani Medical, Inc. Director Buy 56.3 +12,740 0.09% ✗ $12.9K
Apr 24, 2025 Apr 28, 2025 Vivani Medical, Inc. Director Buy 47.5 +1,113 0.01% ✗ $1.1K
Apr 21, 2025 Apr 23, 2025 Vivani Medical, Inc. Director Buy 47.5 +1,812 0.01% ✗ $1.8K
Apr 9, 2025 Apr 11, 2025 Vivani Medical, Inc. Director Buy 56.3 +20,840 0.15% ✗ $21.2K
Apr 4, 2025 Apr 8, 2025 Vivani Medical, Inc. Director Buy 82.5 +205,482 1.12% ✗ $205.3K
Apr 2, 2025 Apr 4, 2025 Vivani Medical, Inc. Director Buy 56.3 +24,939 0.14% ✗ $25K
Nov 8, 2024 Nov 13, 2024 Vivani Medical, Inc. Director Buy 100.0 +3,968,253 27.55% ✗ $5M
Feb 15, 2024 Feb 20, 2024 Vivani Medical, Inc. Director Buy 47.5 +1,078 0.01% ✗ $1.1K
Feb 8, 2024 Feb 9, 2024 Vivani Medical, Inc. Director Buy 47.5 +2,190 0.02% ✗ $2.2K
Feb 5, 2024 Feb 6, 2024 Vivani Medical, Inc. Director Buy 47.5 +1,995 0.01% ✗ $2K
Jan 31, 2024 Feb 2, 2024 Vivani Medical, Inc. Director Buy 47.5 +100 0.00% ✗ $101
Jan 23, 2024 Jan 25, 2024 Vivani Medical, Inc. Director Buy 47.5 +834 0.01% ✗ $842.3
Jan 22, 2024 Jan 22, 2024 Vivani Medical, Inc. Director Buy 55.0 +7,620 0.05% ✗ $7.7K
Jan 18, 2024 Jan 19, 2024 Vivani Medical, Inc. Director Buy 47.5 +1,076 0.01% ✗ $1.1K
Jan 16, 2024 Jan 16, 2024 Vivani Medical, Inc. Director Buy 56.3 +13,067 0.09% ✗ $13.2K
Jan 8, 2024 Jan 9, 2024 Vivani Medical, Inc. Director Buy 47.5 +6,731 0.05% ✗ $7.3K
Jan 4, 2024 Jan 5, 2024 Vivani Medical, Inc. Director Buy 47.5 +6,200 0.04% ✗ $6.7K
Jan 2, 2024 Jan 3, 2024 Vivani Medical, Inc. Director Buy 47.5 +7,111 0.05% ✗ $7.2K
Dec 22, 2023 Dec 27, 2023 Vivani Medical, Inc. Director Buy 47.5 +100 0.00% ✗ $100
Dec 19, 2023 Dec 21, 2023 Vivani Medical, Inc. Director Buy 82.5 +153,872 1.08% ✗ $135.4K
Dec 14, 2023 Dec 18, 2023 Vivani Medical, Inc. Director Buy 47.5 +4,301 0.03% ✗ $3.8K
Dec 11, 2023 Dec 13, 2023 Vivani Medical, Inc. Director Buy 61.3 +29,806 0.21% ✗ $26.5K
Dec 6, 2023 Dec 8, 2023 Vivani Medical, Inc. Director Buy 47.5 +993 0.01% ✗ $953.3
Nov 22, 2023 Nov 27, 2023 Vivani Medical, Inc. Director Buy 47.5 +3,463 0.02% ✗ $3.3K
Nov 16, 2023 Nov 20, 2023 Vivani Medical, Inc. Director Buy 47.5 +3,266 0.02% ✗ $3.1K
Oct 20, 2023 Oct 24, 2023 Vivani Medical, Inc. Director Buy 72.5 +103,368 0.74% ✗ $103.4K
Oct 12, 2023 Oct 16, 2023 Vivani Medical, Inc. Director Buy 56.3 +12,419 0.09% ✗ $12.5K
Oct 9, 2023 Oct 11, 2023 Vivani Medical, Inc. Director Buy 47.5 +664 0.00% ✗ $664
Oct 6, 2023 Oct 10, 2023 Vivani Medical, Inc. Director Buy 72.5 +87,887 0.63% ✗ $89.6K
Oct 3, 2023 Oct 5, 2023 Vivani Medical, Inc. Director Buy 55.0 +9,924 0.07% ✗ $9.9K
Sep 28, 2023 Oct 2, 2023 Vivani Medical, Inc. Director Buy 61.3 +36,210 0.26% ✗ $36.8K
Sep 25, 2023 Sep 27, 2023 Vivani Medical, Inc. Director Buy 56.3 +26,681 0.19% ✗ $25.4K
Sep 20, 2023 Sep 22, 2023 Vivani Medical, Inc. Director Buy 56.3 +21,426 0.15% ✗ $19.7K
Sep 14, 2023 Sep 18, 2023 Vivani Medical, Inc. Director Buy 72.5 +101,779 0.74% ✗ $97.4K
Sep 8, 2023 Sep 12, 2023 Vivani Medical, Inc. Director Buy 56.3 +13,997 0.10% ✗ $13.3K
Sep 5, 2023 Sep 7, 2023 Vivani Medical, Inc. Director Buy 65.0 +53,267 0.39% ✗ $50K
Aug 31, 2023 Sep 1, 2023 Vivani Medical, Inc. Director Buy 56.3 +16,183 0.12% ✗ $15.1K
Apr 27, 2023 May 1, 2023 Vivani Medical, Inc. Director Buy 100.0 +2,040,494 17.53% ✗ $2.2M
Jun 13, 2022 Jun 15, 2022 Vivani Medical, Inc. Director Buy 47.5 +3,800 0.03% ✗ $7.6K
Jun 3, 2022 Jun 7, 2022 Vivani Medical, Inc. Director Buy 47.5 +3,960 0.04% ✗ $9.7K
May 31, 2022 Jun 2, 2022 Vivani Medical, Inc. Director Buy 90.0 +312,493 2.88% ✗ $719.5K
May 23, 2022 May 25, 2022 Vivani Medical, Inc. Director Buy 85.0 +222,598 2.08% ✗ $438.6K
May 18, 2022 May 20, 2022 Vivani Medical, Inc. Director Buy 95.0 +803,487 8.12% ✗ $1.4M
Dec 12, 2018 Dec 14, 2018 Vivani Medical, Inc. Director Buy 95.0 +3,275,100 9.93% ✗ $3M
Oct 18, 2018 Oct 22, 2018 Vivani Medical, Inc. Director Buy 95.0 +2,467,767 8.09% ✗ $4M
Oct 15, 2018 Oct 16, 2018 Vivani Medical, Inc. Director Buy 56.3 +17,633 0.06% ✓ $29.3K
Oct 11, 2018 Oct 12, 2018 Vivani Medical, Inc. Director Buy 56.3 +19,403 0.06% ✓ $31.2K
Oct 9, 2018 Oct 10, 2018 Vivani Medical, Inc. Director Buy 56.3 +26,333 0.09% ✓ $42.6K
Oct 4, 2018 Oct 9, 2018 Vivani Medical, Inc. Director Buy 56.3 +26,769 0.09% ✓ $46.8K
Oct 2, 2018 Oct 4, 2018 Vivani Medical, Inc. Director Buy 56.3 +24,075 0.08% ✓ $43.1K
Sep 28, 2018 Oct 1, 2018 Vivani Medical, Inc. Director Buy 56.3 +25,098 0.08% ✓ $47.1K
Sep 26, 2018 Sep 27, 2018 Vivani Medical, Inc. Director Buy 60.0 +26,753 0.09% ✓ $52K
Sep 24, 2018 Sep 25, 2018 Vivani Medical, Inc. Director Buy 60.0 +31,395 0.10% ✓ $58.8K
Sep 20, 2018 Sep 21, 2018 Vivani Medical, Inc. Director Buy 60.0 +31,750 0.10% ✓ $57.4K
Sep 18, 2018 Sep 19, 2018 Vivani Medical, Inc. Director Buy 60.0 +29,616 0.10% ✓ $53.9K
Sep 14, 2018 Sep 17, 2018 Vivani Medical, Inc. Director Buy 56.3 +26,075 0.09% ✓ $45.6K
Sep 12, 2018 Sep 13, 2018 Vivani Medical, Inc. Director Buy 60.0 +31,750 0.11% ✓ $52.3K
Sep 10, 2018 Sep 12, 2018 Vivani Medical, Inc. Director Buy 56.3 +26,483 0.09% ✓ $44.5K
Sep 6, 2018 Sep 10, 2018 Vivani Medical, Inc. Director Buy 60.0 +31,750 0.11% ✓ $55.4K
Sep 4, 2018 Sep 5, 2018 Vivani Medical, Inc. Director Buy 60.0 +30,828 0.10% ✓ $52K
Aug 30, 2018 Aug 31, 2018 Vivani Medical, Inc. Director Buy 60.0 +31,750 0.11% ✓ $54.7K
Aug 28, 2018 Aug 29, 2018 Vivani Medical, Inc. Director Buy 56.3 +29,860 0.10% ✓ $47.8K
Aug 24, 2018 Aug 27, 2018 Vivani Medical, Inc. Director Buy 56.3 +23,323 0.08% ✓ $37K
Aug 22, 2018 Aug 23, 2018 Vivani Medical, Inc. Director Buy 56.3 +17,052 0.06% ✓ $27.8K
Aug 20, 2018 Aug 21, 2018 Vivani Medical, Inc. Director Buy 56.3 +19,985 0.07% ✓ $32.3K
Aug 16, 2018 Aug 17, 2018 Vivani Medical, Inc. Director Buy 56.3 +18,063 0.06% ✓ $28.1K
Aug 14, 2018 Aug 16, 2018 Vivani Medical, Inc. Director Buy 96.3 +3,247,362 5.73% ✓ $5M
Aug 10, 2018 Aug 13, 2018 Vivani Medical, Inc. Director Buy 56.3 +22,875 0.09% ✓ $35.8K
Aug 8, 2018 Aug 9, 2018 Vivani Medical, Inc. Director Buy 56.3 +22,509 0.08% ✓ $35.4K
Aug 6, 2018 Aug 7, 2018 Vivani Medical, Inc. Director Buy 56.3 +16,148 0.06% ✓ $26.9K
Jul 26, 2018 Jul 30, 2018 Vivani Medical, Inc. Director Buy 56.3 +23,749 0.09% ✓ $38.4K
Jul 24, 2018 Jul 25, 2018 Vivani Medical, Inc. Director Buy 56.3 +26,277 0.10% ✓ $42.4K
Jul 20, 2018 Jul 24, 2018 Vivani Medical, Inc. Director Buy 56.3 +24,476 0.09% ✓ $40.8K
Jul 18, 2018 Jul 19, 2018 Vivani Medical, Inc. Director Buy 56.3 +22,760 0.09% ✓ $39K
Jul 16, 2018 Jul 18, 2018 Vivani Medical, Inc. Director Buy 56.3 +25,575 0.10% ✓ $45.6K
Jun 15, 2018 Jun 18, 2018 Vivani Medical, Inc. Director Buy 48.8 +9,327 0.04% ✗ $16.8K
Jun 13, 2018 Jun 14, 2018 Vivani Medical, Inc. Director Buy 60.0 +35,235 0.13% ✗ $64.4K
Jun 11, 2018 Jun 12, 2018 Vivani Medical, Inc. Director Buy 60.0 +48,659 0.18% ✗ $89.3K
Jun 7, 2018 Jun 8, 2018 Vivani Medical, Inc. Director Buy 60.0 +46,862 0.18% ✗ $86.1K
Jun 5, 2018 Jun 6, 2018 Vivani Medical, Inc. Director Buy 60.0 +43,843 0.17% ✗ $84.1K
Jun 4, 2018 Jun 5, 2018 Vivani Medical, Inc. Director Buy 60.0 +59,988 0.11% ✗ $51.5K
Jun 1, 2018 Jun 1, 2018 Vivani Medical, Inc. Director Buy 60.0 +25,355 0.10% ✗ $50.3K
May 31, 2018 May 31, 2018 Vivani Medical, Inc. Director Buy 56.3 +15,602 0.06% ✗ $30.9K
May 30, 2018 May 30, 2018 Vivani Medical, Inc. Director Buy 48.8 +12,350 0.05% ✗ $24.4K
May 3, 2018 May 7, 2018 Vivani Medical, Inc. Director Buy 100.0 +6,756,757 34.68% ✗ $10M
Nov 21, 2017 Nov 24, 2017 Vivani Medical, Inc. Director Buy 56.3 +24,604 0.13% ✗ $29.2K
Nov 17, 2017 Nov 21, 2017 Vivani Medical, Inc. Director Buy 56.3 +17,020 0.09% ✗ $20.1K
Apr 7, 2017 Apr 10, 2017 Vivani Medical, Inc. Director Buy 100.0 +4,000,000 26.00% ✗ $4M
Dec 2, 2016 Dec 6, 2016 Vivani Medical, Inc. Director Buy 65.0 +32,156 0.38% ✗ $60.8K
Jun 8, 2016 Jun 9, 2016 Vivani Medical, Inc. Director Buy 100.0 +2,717,352 46.59% ✗ $9M
Nov 19, 2014 Nov 21, 2014 Vivani Medical, Inc. Director Buy 97.5 +111,111 100.00% ✗ $1000K