Who has been buying Sapien Semiconductor stock?

8 distinct insiders have filed 44 disclosed insider purchases in Sapien Semiconductor (452430), most recently on 2026-07-01. 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 Sapien Semiconductor have?

Sapien Semiconductor has 44 buy-side and 47 sell-side disclosures on record, covering ₩985M ($684K) in total reported value, spanning 2024-02-19 to 2026-07-01.

Where does StockDrifts get Sapien Semiconductor insider data?

From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Sapien Semiconductor 452430

Company

사피엔반도체Sapien Semiconductor

Insiders

Buys

Total Value

₩985M ($684K)

Avg Return

+32.26%

Last Filing

2026-07-01

Sapien Semiconductor (452430) has 44 disclosed insider purchases and 47 disclosed disposals on record, filed by 8 distinct insiders. Together those filings cover ₩985M ($684K) in reported transaction value. The earliest filing StockDrifts holds for Sapien Semiconductor is dated 2024-02-19; the most recent is 2026-07-01. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea). Across these filings the average return since disclosure is +32.26%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-07-01	SELL	Market Sell	송근호 Song Geun-ho	Researcher	-3.3K	₩30,700	+8.0%	₩101M ($70K)
2026-06-01	SELL	Market Sell	송근호 Song Geun-ho	Researcher	-240	₩40,700	+30.6%	₩10M ($7K)
2026-05-08	BUY	Market Buy	박종온 Park Jong-on	Researcher	100	₩44,950	+15.5%	₩4M ($3K)
2026-04-29	SELL	기타	이지행 Jihaeng Lee	Managing Director	-13.0K	₩43,050	+1.3%	₩560M ($389K)
2026-04-28	BUY	Market Buy	박종온 Park Jong-on	Researcher	5	₩43,100	+20.4%	₩216K ($150)
2026-04-24	BUY	주식매수선택권	정준영 Jung Joon-young	moving	6.0K	₩46,700	-7.8%	₩280M ($195K)
2026-04-24	BUY	주식매수선택권	이지행 Jihaeng Lee	Managing Director	13.0K	₩46,700	-7.8%	₩607M ($422K)
2026-04-24	BUY	주식매수선택권	전종구 Jeon Jong-gu	Vice President (Director of Research Institute)	2.5K	₩46,700	-7.8%	₩117M ($81K)
2026-04-24	BUY	주식매수선택권	김경호 Kyungho Kim	moving	2.5K	₩46,700	-7.8%	₩117M ($81K)
2026-04-24	BUY	주식매수선택권	박재호 Jaeho Park	Researcher	9.0K	₩46,700	-7.8%	₩420M ($292K)
2026-04-24	BUY	주식매수선택권	송근호 Song Geun-ho	Researcher	4.5K	₩46,700	-7.8%	₩210M ($146K)
2026-04-24	BUY	주식매수선택권	김경호 Kyungho Kim	moving	1.3K	₩46,700	-7.8%	₩58M ($41K)
2026-04-23	BUY	Market Buy	박종온 Park Jong-on	Researcher	24	₩47,600	+9.0%	₩1M ($793)
2026-04-23	BUY	Market Buy	박종온 Park Jong-on	Researcher	26	₩47,600	+9.0%	₩1M ($859)
2026-03-12	BUY	Market Buy	박종온 Park Jong-on	Researcher	300	₩35,000	+48.3%	₩11M ($7K)
2026-03-04	BUY	Market Buy	박종온 Park Jong-on	Researcher	40	₩27,250	+90.5%	₩1M ($757)
2026-03-04	BUY	Market Buy	박종온 Park Jong-on	Researcher	47	₩27,250	+90.5%	₩1M ($889)
2026-02-23	BUY	Market Buy	박종온 Park Jong-on	Researcher	9	₩34,050	+52.4%	₩306K ($213)
2026-02-03	SELL	Market Sell	정대영 Daeyoung Jeong	Managing Director	-2.6K	₩39,950	+14.8%	₩104M ($72K)
2026-01-08	BUY	Market Buy	박종온 Park Jong-on	Researcher	1	₩37,400	+38.8%	₩37K ($26)
2026-01-02	BUY	Market Buy	박종온 Park Jong-on	Researcher	1	₩35,550	+46.0%	₩36K ($25)
2025-12-15	BUY	Market Buy	박종온 Park Jong-on	Researcher	28	-	-	-
2025-10-23	BUY	Market Buy	박종온 Park Jong-on	Researcher	167	-	-	-
2025-10-17	BUY	주식매수선택권	송근호 Song Geun-ho	Researcher	500	-	-	-
2025-10-10	BUY	Market Buy	박종온 Park Jong-on	Researcher	1	-	-	-
2025-09-22	BUY	주식매수선택권	정준영 Jung Joon-young	moving	1.0K	₩29,000	+17.4%	₩29M ($20K)
2025-09-01	BUY	Market Buy	박종온 Park Jong-on	Researcher	34	-	-	-
2025-07-31	SELL	Market Sell	송근호 Song Geun-ho	Researcher	-300	-	-	-
2025-07-21	SELL	Market Sell	송근호 Song Geun-ho	Researcher	-4.2K	₩29,750	-14.4%	₩125M ($87K)
2025-07-21	SELL	Market Sell	송근호 Song Geun-ho	Researcher	-2.3K	₩29,750	-14.4%	₩69M ($48K)
2025-07-21	SELL	Market Sell	송근호 Song Geun-ho	Researcher	-500	₩29,750	-14.4%	₩15M ($10K)
2025-07-16	SELL	Market Sell	박재호 Jaeho Park	Researcher	-340	₩28,600	-19.1%	₩10M ($7K)
2025-07-15	SELL	Market Sell	박재호 Jaeho Park	Researcher	-370	₩27,600	-23.4%	₩10M ($7K)
2025-07-09	SELL	Market Sell	박재호 Jaeho Park	Researcher	-370	₩26,800	-27.1%	₩10M ($7K)
2025-07-08	SELL	Market Sell	박재호 Jaeho Park	Researcher	-365	₩26,950	-26.4%	₩10M ($7K)
2025-07-07	SELL	Market Sell	박재호 Jaeho Park	Researcher	-380	₩26,550	-28.3%	₩10M ($7K)
2025-07-03	SELL	Market Sell	박재호 Jaeho Park	Researcher	-365	₩25,800	-32.0%	₩9M ($7K)
2025-07-01	BUY	Market Buy	박종온 Park Jong-on	Researcher	72	-	-	-
2025-07-01	SELL	Market Sell	박재호 Jaeho Park	Researcher	-365	₩26,800	-27.1%	₩10M ($7K)
2025-06-30	SELL	Market Sell	박재호 Jaeho Park	Researcher	-360	₩28,750	-18.4%	₩10M ($7K)
2025-06-27	SELL	Market Sell	이지행 Jihaeng Lee	Managing Director	-300	-	-	-
2025-06-27	SELL	Market Sell	박재호 Jaeho Park	Researcher	-360	₩27,500	-23.8%	₩10M ($7K)
2025-06-26	SELL	Market Sell	정준영 Jung Joon-young	moving	-100	₩27,150	-25.4%	₩3M ($2K)
2025-06-26	SELL	Market Sell	박재호 Jaeho Park	Researcher	-370	₩27,150	-25.4%	₩10M ($7K)
2025-06-26	SELL	Market Sell	정준영 Jung Joon-young	moving	-200	₩27,150	-25.4%	₩5M ($4K)
2025-06-25	SELL	Market Sell	박재호 Jaeho Park	Researcher	-370	₩27,500	-23.8%	₩10M ($7K)
2025-06-24	SELL	Market Sell	박재호 Jaeho Park	Researcher	-405	₩26,300	-29.5%	₩11M ($7K)
2025-06-23	SELL	Market Sell	박재호 Jaeho Park	Researcher	-410	₩23,850	-42.8%	₩10M ($7K)
2025-06-20	SELL	Market Sell	박재호 Jaeho Park	Researcher	-420	₩23,850	-42.8%	₩10M ($7K)
2025-06-18	SELL	Market Sell	박재호 Jaeho Park	Researcher	-430	₩23,050	-47.7%	₩10M ($7K)

Showing the 50 most recent of 122 filings.

Frequently asked questions

Who has been buying Sapien Semiconductor stock?: 8 distinct insiders have filed 44 disclosed insider purchases in Sapien Semiconductor (452430), most recently on 2026-07-01. 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 Sapien Semiconductor have?: Sapien Semiconductor has 44 buy-side and 47 sell-side disclosures on record, covering ₩985M ($684K) in total reported value, spanning 2024-02-19 to 2026-07-01.
Where does StockDrifts get Sapien Semiconductor insider data?: From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Source filings

Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for Sapien Semiconductor. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.