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Insider · CIK 0002046099

Mario Zarazua

ceoofficerdirectorownerother

Files at OYSE (Oyster Enterprises II Acquisition Corp). First filing May 27, 2025, latest May 27, 2025.

In brief

Mario Zarazua files SEC Form 4 as CEO, director and 10% owner at OYSE (Oyster Enterprises II Acquisition Corp). Since May 27, 2025, Mario Zarazua has reported 1 open-market buy worth $4.5M and 0 open-market sells worth $0, the latest filed on May 27, 2025.

A track record needs three past buys with six months of prices behind them; Mario Zarazua has 0, so none is measured yet.

The newest scored trade: bought $4.5M of OYSE on May 23, 2025, filed May 27, 2025, scored 58 (moderate).

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
1 / 0
$4.5M bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

OYSE: Oyster Enterprises II Acquisition Corp

OYSEOct 12, 2026 · close 10.41

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
58Moderate
OYSEbuy
Oyster Enterprises II Acquisition Corp
$4.5M
455,000 shares
--

Transactions

Every row this insider has filed, 2 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
May 23, 2025OYSE
Oyster Enterprises II Acquisition Corp
POpen-market purchase
Class A ordinary shares
+455,000$10.00$4.5M455,000May 27, 2025
May 23, 2025OYSE
Oyster Enterprises II Acquisition Corp
POpen-market purchase
Rights to receive Class A ordinary sharesderivative
+455,000--8,361,250May 27, 2025

Questions about Mario Zarazua

Answered from the filings on this page, as of the latest one.

Is Mario Zarazua buying or selling?

Not in the last 12 months. Mario Zarazua's latest open-market trade on SEC Form 4 was bought $4.5M of OYSE on May 23, 2025.

How did Mario Zarazua's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mario Zarazua has 0.

Where does Mario Zarazua file Form 4?

Mario Zarazua has filed Form 4 at OYSE (Oyster Enterprises II Acquisition Corp) as Chief Executive Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

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: insider trades and track record | InsiderTell