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buyWeak cluster of 2

Aaron Mendelsohn bought $25k of VANI

director at Vivani Medical, Inc.. 20,000 shares at an average of $1.23, traded Dec 29, 2025, filed Dec 31, 2025.

Conviction score
34
Value
$25k
20,000 shares
Holdings after
188,170
+12% from before
From 52-week low
+30%
low $0.96, close $1.25
From 52-week high
-33%
high $1.87, as of Dec 29, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $25k at market
    0
  • Relative to holdings
    Holdings up 12%
    +3
  • Price context
    33% below the 52-week high
    +8
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 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 +13.0%, 3m -18.7%, 6m 0.0%.

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 Dec 31, 2025: +1.6%SPY +15.1% · excess -13.4%

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 0001753926-25-002003, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 8, 2024GGift
Common Stock
-20,000$0.00$0168,170Dec 31, 2025
Dec 29, 2025POpen-market purchase
Common Stock
+20,000$1.23$25k188,170Dec 31, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
44Moderate
VANIbuy
Vivani Medical, Inc.
Gregg Williams
director, owner
$1000k
793,650 shares
+2%
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%
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.

Aaron Mendelsohn bought $25k of VANI | InsiderTell