Gregg Williams bought $2.0M of Vivani Medical (VANI)
Executed Jan 15, disclosed Jan 20, 5 days later.
Over the 21 trading sessions from the disclosed entry session (Jan 20), the stock returned -0.8% (delay-adjusted); from the execution session (Jan 15), -7.1%. Derived: entry at the session's open, exit at the close 20 sessions later.
Gregg Williams (Director) filed 12 Form 4 reports in the trailing twelve months (12 purchases, 0 sales), most often in Vivani Medical, Inc. (VANI). Across 12 priced purchase filings, the average 21-session return was -1.2% from execution and -4.4% from disclosure (delay-adjusted; derived). The largest single filing was $6.0M of VANI (3,703,703 sh × $1.62, as filed), executed Oct 27 2025.
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 Dec 15 2025
Filed Dec 16 2025 · 9:00 AM ET