MIZUHO FINANCIAL GROUP INC (MFG) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-06

MIZUHO FINANCIAL GROUP INC (MFG) has filed 18 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-06. InsiderAlpha tracks every MFG SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About MIZUHO FINANCIAL GROUP INC (MFG)

SEC CIK	0001335730

90-Day SEC Filing Activity

Form 4 filings (90d)	18
Latest Form 4 filing	2026-07-06

Recent MFG Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-07-01	Take Hidekatsu	Insider	M — Option exercise	6.6K	$0.00	—	SEC
2026-07-01	Hihara Shinichiro	See Remarks	D — Derivative transaction	1.0K	$49,990.33	$51.89M	SEC
2026-07-01	Hitomi Makoto	Insider	D — Derivative transaction	445	$21,431.31	$9.54M	SEC
2026-07-01	Yonezawa Takefumi	See Remarks	D — Derivative transaction	1.2K	$59,140.78	$72.62M	SEC
2026-07-01	Take Hidekatsu	Insider	D — Derivative transaction	2.6K	$127,239.37	$336.17M	SEC
2026-07-01	Hihara Shinichiro	See Remarks	M — Option exercise	2.6K	$0.00	—	SEC
2026-07-01	Shiraishi Shiro	See Remarks	D — Derivative transaction	526	$25,332.29	$13.32M	SEC
2026-07-01	Hitomi Makoto	Insider	M — Option exercise	1.1K	$0.00	—	SEC
2026-07-01	Yonezawa Takefumi	See Remarks	M — Option exercise	3.1K	$0.00	—	SEC
2026-07-01	Akita Natsumi	See Remarks	M — Option exercise	4.5K	$0.00	—	SEC
2026-07-01	Akita Natsumi	See Remarks	D — Derivative transaction	1.8K	$86,929.24	$156.91M	SEC
2026-07-01	Tsujimori Hideki	See Remarks	M — Option exercise	1.3K	$0.00	—	SEC
2026-07-01	Tsujimori Hideki	See Remarks	D — Derivative transaction	526	$25,332.29	$13.32M	SEC
2026-07-01	Shiraishi Shiro	See Remarks	M — Option exercise	1.3K	$0.00	—	SEC
2026-07-01	Sugawara Masayuki	See Remarks	M — Option exercise	5.3K	$0.00	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for MIZUHO FINANCIAL GROUP INC (MFG). Updated in real time as new filings are submitted to the SEC.

Most-Active MFG Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
Sugawara Masayuki	5	$215.23M
Kihara Masahiro	5	$3.23B
Akita Natsumi	5	$156.91M
Take Hidekatsu	5	$336.17M
Matsuura Shuji	5	$122.98M

Recent Insider Filings

2026-07-06 — Akita Natsumi (See Remarks)
2026-07-06 — Tsujimori Hideki (See Remarks)
2026-07-06 — Shiraishi Shiro (See Remarks)
2026-07-06 — Hitomi Makoto (Insider)
2026-07-06 — Yonezawa Takefumi (See Remarks)

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 MFG 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

MFG Insider Trading — FAQ

What is the latest insider trade for MFG?: MIZUHO FINANCIAL GROUP INC (MFG) had 18 insider filings in the last 90 days, with the most recent on 2026-07-06. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying MFG stock?: 0 insider purchases of MFG were filed in the last 90 days.
How many insiders are selling MFG stock?: 0 insider sales of MFG were filed in the last 90 days.
Where can I see MFG SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every MFG SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

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