Berto Acquisition Corp. II (GUAC) IPO — S-1 Filing, Stock & Insider Activity

Berto Acquisition Corp. II IPO — Status & S-1 Filing

Ticker: GUAC
Status: Priced — IPO complete
S-1 filed: 2026-04-27
Effective: 2026-05-14
IPO / pricing date: 2026-05-18
Exchange: NASDAQ
Offering price: $10.00
SEC CIK: 0002081515 · View the S-1 on SEC EDGAR →

Track every registration update on the InsiderAlpha IPO tracker.

Updated Jul 16, 2026 · Last SEC filing 2026-05-16

Berto Acquisition Corp. II (GUAC) has filed 2 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-16. 3 Form 8-K material event filings were reported by GUAC in the last 90 days. InsiderAlpha tracks every GUAC SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About Berto Acquisition Corp. II (GUAC)

SEC CIK	0002081515

90-Day SEC Filing Activity

Form 4 filings (90d)	2
Form 8-K filings (90d)	3
Latest Form 4 filing	2026-05-16

Recent GUAC Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-05-15	You Robert	President and CFO	J — Other acquisition / disposition	203.1K	$0.00	—	SEC
2026-05-15	You Harry L.	10% Owner	J — Other acquisition / disposition	232.1K	$0.00	—	SEC
2026-05-15	You Harry L.	10% Owner	J — Other acquisition / disposition	254.8K	$0.00	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for Berto Acquisition Corp. II (GUAC). Updated in real time as new filings are submitted to the SEC.

Most-Active GUAC Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
You Harry L.	2	—
You Robert	1	—

Recent GUAC Form 8-K Material Events

2026-07-01 — Item 8.01, 9.01 [SEC]
2026-05-22 — Item 8.01, 9.01 [SEC]
2026-05-18 — Item 1.01, 3.02, 5.02, 5.03, 8.01, 9.01 [SEC]

Recent Insider Filings

2026-05-16 — You Robert (President and CFO)
2026-05-16 — You Harry L. (10% Owner)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in GUAC insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

GUAC Insider Trading — FAQ

What is the latest insider trade for GUAC?: Berto Acquisition Corp. II (GUAC) had 2 insider filings in the last 90 days, with the most recent on 2026-05-16. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying GUAC stock?: 0 insider purchases of GUAC were filed in the last 90 days.
How many insiders are selling GUAC stock?: 0 insider sales of GUAC were filed in the last 90 days.
Where can I see GUAC SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every GUAC SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live GUAC dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.