Gregg Williams

VANI

Gregg Williams serves as director, 10 percent owner: at Vivani Medical, Inc. (VANI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

54 trades

$36.76M

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$36.76M

Companies Traded

VANI

Active Period

May 2022 – May 2026

54 total trades

Most Recent

Buy VANI

May 19, 2026 · $2.00M

Gregg Williams's Insider Trading at Vivani Medical, Inc. (VANI)

Buys

4 · $2.60M

Sells

0 · $0.00

Total Shares Bought

1,342,538

Total Shares Sold

VANI Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Jun 7, 2022	Buy	3,960	$2.46	$9.7K	11,233,347
Jun 2, 2022	Buy	312,493	$2.30	$719.5K	11,173,949
May 25, 2022	Buy	222,598	$1.97	$438.6K	10,916,894
May 20, 2022	Buy	803,487	$1.78	$1.43M	10,694,296

Showing 51–54 of 54

Related Insiders

Aaron Mendelsohn

Director

VANIBuy · Dec 31, 2025

Explore More Insider Trading Data

VANI Insider Trading Activity

View all insider trades at Vivani Medical, Inc.

Healthcare Sector Insider Trades

See insider activity across healthcare stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity