Gregg Williams bought $2.0M of Vivani Medical (VANI)
Executed Nov 15 2025, disclosed Nov 17 2025, 2 days later.
Over the 21 trading sessions from the disclosed entry session (Nov 17 2025), the stock returned -2.8% (delay-adjusted); from the execution session (Nov 17 2025), -2.8%. Derived: entry at the session's open, exit at the close 20 sessions later.
Gregg Williams (Director) filed 10 Form 4 reports in the trailing twelve months (10 purchases, 0 sales), most often in Vivani Medical, Inc. (VANI). Across 10 priced purchase filings, the average 21-session return was -1.4% from execution and -3.0% from disclosure (delay-adjusted; derived). The largest single filing was $2.0M of VANI (1,351,351 sh × $1.48, as filed), executed Jan 27.
Healthcare · Vivani Medical, Inc., a clinical-stage biopharmaceutical company, engages in the development of miniaturized and subdermal drug implants th…
More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→793,650 sh × $1.26
Exec Jul 15
Filed Jul 16 · 9:00 AM ET VANIPURCHASE Vivani Medical, Inc. $2.0M
1,587,301 sh × $1.26
Exec Jun 15
Filed Jun 16 · 9:00 AM ET VANIPURCHASE Vivani Medical, Inc. $2.0M
1,587,301 sh × $1.26
Exec May 15
Filed May 19 · 8:31 AM ET VANIPURCHASE Vivani Medical, Inc. $2.0M
1,587,301 sh × $1.26
Exec Apr 15
Filed Apr 16 · 6:30 AM ET VANIPURCHASE Vivani Medical, Inc. $1.7M
1,575,231 sh across 2 lots
Exec Mar 15
Filed Mar 16 · 6:15 AM ET VANIPURCHASE Vivani Medical, Inc. $2.0M
1,866,492 sh across 2 lots
Exec Feb 15
Filed Feb 17 · 6:01 AM ET VANIPURCHASE Vivani Medical, Inc. $2.0M
1,351,351 sh × $1.48
Exec Jan 27
Filed Jan 28 · 10:01 AM ET VANIPURCHASE Vivani Medical, Inc. $2.0M
1,737,765 sh across 2 lots
Exec Jan 15
Filed Jan 20 · 9:00 AM ET