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buyModerate

Mario Zarazua bought $4.5M of OYSE

Chief Executive Officer at Oyster Enterprises II Acquisition Corp. 455,000 shares at an average of $10.00, traded May 23, 2025, filed May 27, 2025.

Conviction score
58
Value
$4.5M
455,000 shares
Holdings after
455,000
change unknown
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $4.5M at market
    +25
  • Relative to holdings
    First purchase: no shares before this trade
    +8
  • Price context
    No price history yet
    0
  • 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.

This signal so far: 1m -, 3m +0.8%, 6m +1.2%.

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.

OYSEOct 12, 2026 · close 10.41
Since filing Jul 11, 2025: +4.5%SPY +33.8% · excess -29.3%

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 0001213900-25-047965, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 23, 2025POpen-market purchase
Class A ordinary shares
+455,000$10.00$4.5M455,000May 27, 2025
May 23, 2025POpen-market purchase
Rights to receive Class A ordinary sharesderivative
+455,000--8,361,250May 27, 2025

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.

Mario Zarazua bought $4.5M of OYSE | InsiderTell