Who has been buying solar machine stock?

2 distinct insiders have filed 20 disclosed insider purchases in solar machine (116100), most recently on 2026-01-14. 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 solar machine have?

solar machine has 20 buy-side and 18 sell-side disclosures on record, covering ₩135M ($94K) in total reported value, spanning 2024-04-05 to 2026-01-14.

Where does StockDrifts get solar machine 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.

solar machine 116100

Company

태양기계solar machine

Insiders

Buys

Total Value

₩135M ($94K)

Avg Return

+16.36%

Last Filing

2026-01-14

solar machine (116100) has 20 disclosed insider purchases and 18 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩135M ($94K) in reported transaction value. The earliest filing StockDrifts holds for solar machine is dated 2024-04-05; the most recent is 2026-01-14. 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 +16.36%, 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
2026-07-29	BUY	Market Buy	박경희 Park Kyung-hee	CEO	2.4K	₩562	-8.0%	₩2M ($1K)
2026-01-14	BUY	Market Buy	박경희 Park Kyung-hee	CEO	4.0K	₩587	-1.5%	₩2M ($2K)
2026-01-13	SELL	시간외매매	박창엽 Park Chang-yeop	Chairman	-200.0K	₩556	-4.0%	₩111M ($77K)
2026-01-13	BUY	시간외매매	박경희 Park Kyung-hee	CEO	200.0K	₩556	+4.0%	₩111M ($77K)
2025-12-30	BUY	Market Buy	박경희 Park Kyung-hee	CEO	1	₩587	-1.5%	₩587 ($0)
2025-09-15	BUY	Market Buy	박경희 Park Kyung-hee	CEO	30.5K	₩550	+5.1%	₩17M ($12K)
2025-09-12	BUY	Market Buy	박경희 Park Kyung-hee	CEO	65.1K	₩550	+5.1%	₩36M ($25K)
2025-08-20	BUY	Market Buy	박경희 Park Kyung-hee	CEO	226	₩619	-6.6%	₩140K ($97)
2025-08-20	BUY	Market Buy	박경희 Park Kyung-hee	CEO	4.8K	₩619	-6.6%	₩3M ($2K)
2025-08-19	BUY	Market Buy	박경희 Park Kyung-hee	CEO	776	₩599	-3.5%	₩465K ($323)
2025-08-19	BUY	Market Buy	박경희 Park Kyung-hee	CEO	1.1K	₩599	-3.5%	₩677K ($470)
2025-08-19	BUY	Market Buy	박경희 Park Kyung-hee	CEO	8.1K	₩599	-3.5%	₩5M ($3K)
2025-08-19	BUY	Market Buy	박경희 Park Kyung-hee	CEO	200	₩599	-3.5%	₩120K ($83)
2025-08-18	BUY	Market Buy	김교진 Kyojin Kim	vice president	5.7K	₩560	+3.2%	₩3M ($2K)
2025-04-11	BUY	Market Buy	김교진 Kyojin Kim	vice president	7.3K	₩1,019	-43.3%	₩7M ($5K)
2025-03-21	BUY	Market Buy	박경희 Park Kyung-hee	CEO	4.5K	₩800	-27.8%	₩4M ($2K)
2025-03-19	BUY	Market Buy	박경희 Park Kyung-hee	CEO	1.2K	₩880	-34.3%	₩1M ($761)
2025-03-18	BUY	Market Buy	박경희 Park Kyung-hee	CEO	1.7K	₩830	-30.4%	₩1M ($987)
2025-03-13	BUY	신규보고	이형하 Hyungha Lee	moving	35.2K	₩889	-35.0%	₩31M ($22K)
2025-02-04	BUY	시간외매매	박경희 Park Kyung-hee	CEO	46.3K	₩600	-3.7%	₩28M ($19K)
2025-02-03	BUY	Market Buy	박경희 Park Kyung-hee	CEO	1.6K	₩680	-15.0%	₩1M ($777)
2025-01-31	BUY	제3자배정유상증자	우선정공 Woowon Precision	-	1.2M	₩610	-5.3%	₩732M ($508K)
2025-01-13	BUY	신규선임	박경희 Park Kyung-hee	CEO	197.6K	₩759	-23.9%	₩150M ($104K)
2025-01-03	BUY	Market Buy	김교진 Kyojin Kim	vice president	944	₩773	-25.2%	₩730K ($507)
2024-12-24	SELL	Market Sell	김교진 Kyojin Kim	vice president	-2	₩1,018	+43.2%	₩2K ($1)
2024-12-23	BUY	Market Buy	김교진 Kyojin Kim	vice president	6.0K	₩1,197	-51.7%	₩7M ($5K)
2024-12-17	BUY	Market Buy	김교진 Kyojin Kim	vice president	146	₩1,455	-60.3%	₩212K ($148)
2024-12-16	SELL	Market Sell	김교진 Kyojin Kim	vice president	-100	₩1,274	+54.6%	₩127K ($88)
2024-12-11	SELL	Market Sell	김교진 Kyojin Kim	vice president	-2	₩1,199	+51.8%	₩2K ($2)
2024-12-09	SELL	Market Sell	김교진 Kyojin Kim	vice president	-847	₩1,043	+44.6%	₩883K ($613)
2024-12-06	SELL	Market Sell	김교진 Kyojin Kim	vice president	-584	₩1,226	+52.9%	₩716K ($497)
2024-12-04	SELL	Market Sell	김교진 Kyojin Kim	vice president	-400	₩1,257	+54.0%	₩503K ($349)
2024-11-21	SELL	Market Sell	김교진 Kyojin Kim	vice president	-110	₩1,359	+57.5%	₩149K ($104)
2024-11-18	SELL	Market Sell	김교진 Kyojin Kim	vice president	-5	₩1,399	+58.7%	₩7K ($5)
2024-10-11	SELL	Market Sell	김교진 Kyojin Kim	vice president	-10	₩1,393	+58.5%	₩14K ($10)
2024-10-04	SELL	Market Sell	김교진 Kyojin Kim	vice president	-10	₩1,390	+58.4%	₩14K ($10)
2024-10-02	SELL	Market Sell	김교진 Kyojin Kim	vice president	-10	₩1,400	+58.7%	₩14K ($10)
2024-09-30	SELL	Market Sell	김교진 Kyojin Kim	vice president	-99	₩1,415	+59.1%	₩140K ($97)
2024-09-25	SELL	Market Sell	김교진 Kyojin Kim	vice president	-2	₩1,299	+55.5%	₩3K ($2)
2024-09-24	SELL	Market Sell	김교진 Kyojin Kim	vice president	-88	₩1,151	+49.8%	₩101K ($70)
2024-09-23	SELL	Market Sell	김교진 Kyojin Kim	vice president	-130	₩1,345	+57.0%	₩175K ($121)
2024-09-19	SELL	Market Sell	김교진 Kyojin Kim	vice president	-31	₩1,437	+59.8%	₩45K ($31)
2024-09-11	SELL	Market Sell	김교진 Kyojin Kim	vice president	-5	₩1,475	+60.8%	₩7K ($5)
2024-09-10	SELL	Market Sell	김교진 Kyojin Kim	vice president	-342	₩1,343	+57.0%	₩459K ($319)
2024-04-05	BUY	Market Buy	김교진 Kyojin Kim	vice president	25.0K	₩1,660	-65.2%	₩41M ($29K)

Frequently asked questions

Who has been buying solar machine stock?: 2 distinct insiders have filed 20 disclosed insider purchases in solar machine (116100), most recently on 2026-01-14. 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 solar machine have?: solar machine has 20 buy-side and 18 sell-side disclosures on record, covering ₩135M ($94K) in total reported value, spanning 2024-04-05 to 2026-01-14.
Where does StockDrifts get solar machine 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 solar machine. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.