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buyWeak cluster of 2

Gregg Williams bought $21k of VANI

director, owner at Vivani Medical, Inc.. 20,840 shares at an average of $1.02, traded Apr 9, 2025, filed Apr 11, 2025.

Conviction score
37
Value
$21k
20,840 shares
Holdings after
13,825,230
+0% from before
From 52-week low
+9%
low $0.96, close $1.05
From 52-week high
-28%
high $1.45, as of Apr 9, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $21k at market
    0
  • Relative to holdings
    Under 1% of holdings (0.2%)
    -5
  • Price context
    9% above the 52-week low; 28% below the 52-week high
    +14
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    3 buys in 90 days
    +5
  • Track record
    Too few past buys to judge (1 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +2.0%, 3m +37.3%, 6m +34.3%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

VANIOct 9, 2026 · close 1.25
Since filing Apr 11, 2025: +22.5%SPY +48.2% · excess -25.7%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001753926-25-000620, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 9, 2025POpen-market purchase
Common Stockindirect: See footnote
+18,529$1.02$19k13,822,919Apr 11, 2025
Apr 11, 2025POpen-market purchase
Common Stockindirect: See footnote
+2,311$1.01$2,33413,825,230Apr 11, 2025

Related signals

Other insiders at Vivani Medical, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
48Moderate
VANIbuy
Vivani Medical, Inc.
Gregg Williams
director, owner
$2.0M
1,587,301 shares
+5%
48Moderate
VANIbuy
Vivani Medical, Inc.
Gregg Williams
director, owner
$2.0M
1,587,301 shares
+5%
56Moderate
VANIbuy
Vivani Medical, Inc.
Gregg Williams
director, owner
$2.0M
1,587,301 shares
+5%
56Moderate
VANIbuy
Vivani Medical, Inc.
Gregg Williams
director, owner
$1.7M
1,575,231 shares
+5%
56Moderate
VANIbuy
Vivani Medical, Inc.
Gregg Williams
director, owner
$2.0M
1,866,492 shares
+7%
52Moderate
VANIbuy
Vivani Medical, Inc.
Gregg Williams
director, owner
$2.0M
1,351,351 shares
+5%
56Moderate
VANIbuy
Vivani Medical, Inc.
Gregg Williams
director, owner
$2.0M
1,737,765 shares
+7%
34Weak
VANIbuy 2
Vivani Medical, Inc.
Aaron Mendelsohn
director
$25k
20,000 shares
+12%
60Notable
VANIbuy 2
Vivani Medical, Inc.
Gregg Williams
director, owner
$2.0M
1,737,765 shares
+8%
52Moderate
VANIbuy
Vivani Medical, Inc.
Gregg Williams
director, owner
$2.0M
1,737,764 shares
+8%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.