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buyWeak

Mark Zediker bought $7,900 of BURU

Chief Executive Officer at Nuburu, Inc.. 10,000 shares at an average of $0.79, traded May 22, 2023, filed May 24, 2023.

Conviction score
38
Value
$7,900
10,000 shares
Holdings after
4,318,203
+0% from before
From 52-week low
0%
low $156.00, close $156.00
From 52-week high
-92%
high $2,050.00, as of May 22, 2023

Score components

  • Role
    CEO
    +25
  • Trade size
    $8k at market
    0
  • Relative to holdings
    Under 1% of holdings (0.2%)
    -5
  • Price context
    0% above the 52-week low; 92% below the 52-week high
    +18
  • Cluster
    No other insider buying within 14 days
    0
  • 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.

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.

BURUOct 13, 2026 · close 0.99
Since filing May 24, 2023: -99.3%SPY +95.5% · excess -194.9%

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 0001209191-23-031996, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 22, 2023POpen-market purchase
Common Stock
+10,000$0.79$7,9004,318,203May 24, 2023

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
58Moderate
BURUbuy
Nuburu, Inc.
Alessandro Zamboni
Co-Chief Executive Officer
$1.5M
4,332,525 shares
-
34Weak
BURUsell
Nuburu, Inc.
David Seldin
owner
$460k
624,353 shares
-11%
57Moderate
BURUsell
Nuburu, Inc.
David Seldin
owner
$8.8M
8,065,254 shares
-80%
12Weak
BURUsell
Nuburu, Inc.
David Seldin
owner
$6,113
8,604 shares
-0%
12Weak
BURUsell
Nuburu, Inc.
David Seldin
owner
$6,411
8,652 shares
-0%

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.

Mark Zediker bought $7,900 of BURU | InsiderTell