Who has been buying Star Flyer Inc. stock?

4 distinct investors have filed 8 disclosed large-shareholding filings in Star Flyer Inc. (9206), most recently on 2026-05-13. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Star Flyer Inc. have?

Star Flyer Inc. has 8 buy-side and 8 sell-side disclosures on record, covering ¥9.9B ($63.8M) in total reported value, spanning 2022-03-17 to 2026-05-13.

Do insider buys in Japanese stocks predict returns?

Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Star Flyer Inc. 9206

Company

株式会社スターフライヤーStar Flyer Inc.

Investors

Buys

Total Value

¥9.9B ($63.8M)

Avg Return

-18.46%

Last Filing

2026-05-13

Star Flyer Inc. (9206) has 8 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥9.9B ($63.8M) in reported transaction value. The earliest filing StockDrifts holds for Star Flyer Inc. is dated 2022-03-17; the most recent is 2026-05-13. Across these filings the average return since disclosure is -18.46%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-05-13	BUY	private	アイエックスジーエス・インク(IXGS, Inc.) IXGS, Inc.	passive	4.3M	¥1,914	+1.4%	¥8.2B ($52.7M)
2026-03-17	SELL	Market Buy	アイエックスジーエス・インク(IXGS IXGS Inc.	passive	5.5K	¥2,006	+3.3%	¥1.2B ($7.9M)
2025-10-20	SELL	negotiated	株式会社ジャパネットホールディングス Japanet Holdings Co.,Ltd.	strategic	500.0K	¥2,315	+16.2%	¥1.7B ($11.3M)
2025-10-17	SELL	negotiated	株式会社ジャパネットホールディングス Japanet Holdings Co.,Ltd.	strategic	500.0K	¥2,310	+16.0%	¥1.7B ($11.3M)
2025-10-17	BUY	negotiated	株式会社ジャパネットホールディングス Japanet Holdings Co.,Ltd.	strategic	500.0K	¥2,310	-	¥1.7B ($11.3M)
2025-05-22	SELL	Market Buy	アイエックスジーエス・インク(IXGS, Inc.) IXGS, Inc.	passive	695.2K	¥2,195	+11.6%	¥331M ($2.1M)
2025-05-02	SELL	Market Buy	アイエックスジーエス・インク(IXGS, Inc.) IXGS, Inc.	passive	875.2K	¥2,468	+21.4%	¥48M ($310K)
2023-01-04	BUY	unknown	株式会社エアトリインターナショナル AirTrip International Co., Ltd.	other	79.5K	¥2,437	-20.4%	¥194M ($1.2M)
2023-01-04	BUY	unknown	株式会社エアトリ AirTrip Corp.	other	103.9K	¥2,437	-20.4%	¥253M ($1.6M)
2022-10-05	SELL	subscription	アイエックスジーエス・インク(IXGS, Inc.) IXGS, Inc.	passive	875.2K	¥2,475	+21.6%	¥980M ($6.3M)
2022-09-29	BUY	Market Buy	株式会社ジャパネットホールディングス Japanet Holdings Co.,Ltd.	strategic	1.1M	¥2,458	-21.1%	¥1.5B ($9.5M)
2022-09-26	BUY	subscription	アイエックスジーエス・インク(IXGS, Inc.) IXGS, Inc.	passive	1.4M	¥2,505	-22.6%	¥124M ($799K)
2022-09-08	BUY	negotiated	株式会社ジャパネットホールディングス Japanet Holdings Co.,Ltd.	strategic	500.0K	¥2,487	-22.0%	¥1.2B ($8.0M)
2022-09-02	SELL	subscription	アイエックスジーエス・インク(IXGS, Inc.) IXGS, Inc.	passive	1.4M	¥2,482	+21.8%	¥291M ($1.9M)
2022-07-05	BUY	subscription	アイエックスジーエス・インク(IXGS, Inc.) IXGS, Inc.	passive	1.4M	¥2,408	-19.4%	¥127M ($821K)
2022-04-01	SELL	subscription	アイエックスジーエス・インク(IXGS, Inc.) IXGS, Inc.	passive	1.4M	¥2,416	+19.7%	¥190M ($1.2M)
2022-03-17	BUY	subscription	アイエックスジーエス・インク(IXGS, Inc.) IXGS, Inc.	passive	1.5M	¥2,715	-28.6%	¥86M ($554K)

Frequently asked questions

Who has been buying Star Flyer Inc. stock?: 4 distinct investors have filed 8 disclosed large-shareholding filings in Star Flyer Inc. (9206), most recently on 2026-05-13. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Star Flyer Inc. have?: Star Flyer Inc. has 8 buy-side and 8 sell-side disclosures on record, covering ¥9.9B ($63.8M) in total reported value, spanning 2022-03-17 to 2026-05-13.
Do insider buys in Japanese stocks predict returns?: Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.