Who has been buying PR TIMES, Inc. stock?

7 distinct investors have filed 8 disclosed large-shareholding filings in PR TIMES, Inc. (3922), most recently on 2026-03-23. 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 PR TIMES, Inc. have?

PR TIMES, Inc. has 8 buy-side and 10 sell-side disclosures on record, covering ¥3.6B ($23.4M) in total reported value, spanning 2021-07-26 to 2026-03-23.

Where does StockDrifts get PR TIMES, Inc. insider data?

From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.

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.

PR TIMES, Inc. 3922

Company

株式会社PR TIMESPR TIMES, Inc.

Investors

Buys

Total Value

¥3.6B ($23.4M)

Avg Return

-5.96%

Last Filing

2026-03-23

PR TIMES, Inc. (3922) has 8 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥3.6B ($23.4M) in reported transaction value. The earliest filing StockDrifts holds for PR TIMES, Inc. is dated 2021-07-26; the most recent is 2026-03-23. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). Across these filings the average return since disclosure is -5.96%, 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
2026-07-31	BUY	Market Buy	山口拓己 YAMAGUCHI TAKUMI	activist	923.9K	¥2,091	+2.1%	¥28M ($183K)
2026-07-06	BUY	unknown	山口拓己 YAMAGUCHI TAKUMI	activist	904.4K	¥2,425	-15.7%	¥121M ($781K)
2026-07-06	BUY	Market Buy	山口拓己 YAMAGUCHI TAKUMI	activist	904.4K	¥2,425	-15.7%	¥121M ($781K)
2026-03-23	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	676.5K	¥2,022	-0.3%	¥290M ($1.9M)
2025-09-22	SELL	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	11.9K	¥3,215	+36.9%	¥113M ($729K)
2025-09-22	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	541.0K	¥3,215	+36.9%	¥422M ($2.7M)
2025-08-08	SELL	negotiated	株式会社ベクトル VECTOR INC.	activist	7.1M	¥2,682	+24.4%	¥1.1B ($7.0M)
2025-07-23	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	818.6K	¥2,846	+28.7%	¥485M ($3.1M)
2025-01-10	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	670.2K	¥1,742	+16.5%	¥1.2B ($7.5M)
2025-01-10	BUY	Market Buy	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	47.7K	¥1,742	+16.5%	¥83M ($536K)
2023-06-07	SELL	unknown	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	unknown	0	¥1,410	-43.9%	¥25M ($159K)
2023-06-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	1.0K	¥1,410	+43.9%	¥146M ($943K)
2023-06-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	984.9K	¥1,410	+43.9%	¥1.4B ($8.9M)
2021-11-12	SELL	unknown	山口拓己 Takumi Yamaguchi	activist	208.5K	¥3,450	+41.2%	¥31M ($203K)
2021-11-12	BUY	Market Buy	山口拓己 Takumi Yamaguchi	activist	244.5K	¥3,450	-41.2%	¥112M ($726K)
2021-11-12	SELL	unknown	山口拓己 Takumi Yamaguchi	activist	212.5K	¥3,450	+41.2%	¥109M ($706K)
2021-11-12	BUY	unknown	山口拓己 Takumi Yamaguchi	activist	208.5K	¥3,450	-41.2%	¥31M ($203K)
2021-11-12	BUY	unknown	山口拓己 Takumi Yamaguchi	activist	244.5K	¥3,450	-41.2%	¥112M ($726K)
2021-11-12	BUY	unknown	山口拓己 Takumi Yamaguchi	activist	212.5K	¥3,450	-41.2%	¥6M ($37K)
2021-11-09	SELL	negotiated	株式会社ベクトル VECTOR INC.	activist	7.5M	¥3,480	+41.7%	¥468M ($3.0M)
2021-10-22	BUY	Market Buy	アセットマネジメントOneインターナショナル Asset Management One International Ltd.	other	17.6K	¥3,675	-44.8%	¥65M ($417K)
2021-10-22	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	31.1K	¥3,675	-44.8%	¥5M ($32K)
2021-10-22	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.2M	¥3,675	-44.8%	¥519M ($3.4M)
2021-07-26	SELL	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	29.1K	¥3,255	+37.7%	¥9M ($57K)
2021-07-26	BUY	Market Buy	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.0M	¥3,255	-37.7%	¥456M ($2.9M)

Frequently asked questions

Who has been buying PR TIMES, Inc. stock?: 7 distinct investors have filed 8 disclosed large-shareholding filings in PR TIMES, Inc. (3922), most recently on 2026-03-23. 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 PR TIMES, Inc. have?: PR TIMES, Inc. has 8 buy-side and 10 sell-side disclosures on record, covering ¥3.6B ($23.4M) in total reported value, spanning 2021-07-26 to 2026-03-23.
Where does StockDrifts get PR TIMES, Inc. insider data?: From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
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.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for PR TIMES, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.