121 Korean listed companies match this signal: officers or major shareholders reported adding shares (30 days). 45 are on KOSPI and 76 on KOSDAQ. Sorted by most news articles in the past 24 hours, the list starts with Samsung Electronics, SK biopharmaceuticals and Amorepacific. 47 of them also carry a red flag such as losses or dilution; check the signals column.

Insider buying 121

Company	Articles 24h	Latest quarter op. profit	Dividend yield	Signals
Samsung Electronics KOSPI · Telecom & broadcasting equipment	111	₩89.49tn +1814%	1.5%	Profit +50% Revenue +30% Revenue & profit growth Op. margin 20%+ Dividend grower Insider buying Insider selling
SK biopharmaceuticals KOSPI · Research & development	53	₩97.1bn +57%	–	Profit +50% Revenue +30% Revenue & profit growth Op. margin 20%+ Insider buying Supply contract
Amorepacific KOSPI · Specialty chemicals	41	₩117bn +59%	0.9%	Profit +50% Revenue & profit growth Dividend grower Insider buying
Yuhan KOSPI · Pharmaceuticals	23	₩66.9bn +34%	0.5%	Revenue & profit growth Dividend grower Insider buying Supply contract
BNK Financial Group KOSPI · Other financial services	14	₩236bn -8%	4.3%	Dividend grower Insider buying
VC KOSDAQ · Other manufacturing	12	₩2.1bn +74%	–	Profit +50% Revenue +30% Revenue & profit growth Buyback Insider buying Major holder adding
Yuanta Securities Korea KOSPI	5	₩86.5bn +222%	4.4%	Profit +50% Revenue +30% Revenue & profit growth Dividend grower Insider buying
Hanatour Service KOSPI · Business support services	5	₩5.4bn -44%	2.4%	Insider buying Dividend cut
Ecopro HN KOSDAQ · Specialty chemicals	4	₩5.8bn +57%	0.6%	Profit +50% Revenue +30% Revenue & profit growth Insider buying Major holder adding Supply contract Dividend cut
Obzen KOSDAQ · Software publishing	4	−₩650m	–	Insider buying Major holder adding Swung to loss Insider selling
Hanwha Investment&securities KOSPI	4	₩55.6bn +47%	–	Revenue +30% Revenue & profit growth Insider buying
DB Securities KOSPI	4	₩47.5bn +46%	–	Revenue +30% Revenue & profit growth Insider buying
Samsung Publishing KOSPI	4	−₩214m	–	Insider buying Major holder adding Insider selling
SK Reit KOSPI	4	–	–	Insider buying
Pintel KOSDAQ	3	−₩477m	–	Insider buying 4 quarters of losses Insider selling Delisting / halt risk
ThinkwareSystems KOSDAQ	3	−₩3.6bn -139%	–	Insider buying Major holder adding Swung to loss
Maniker KOSPI	3	−₩16m -101%	–	Insider buying Major holder adding Swung to loss
E-world KOSPI	3	₩2.5bn	–	Insider buying
Krafton KOSPI · Software publishing	2	₩411bn +67%	0.9%	Profit +50% Revenue +30% Revenue & profit growth Op. margin 20%+ Insider buying Major holder adding
NBR Motion KOSDAQ	2	−₩1.1bn	–	Insider buying New 5% holder Major holder adding Swung to loss
SystemandApplicationTechnologies KOSDAQ	2	₩2.0bn	–	Turnaround Revenue +30% Insider buying
The Asia Business Daily KOSDAQ	2	₩5.0bn	–	Op. margin 20%+ Insider buying Major holder adding
Hanmi Science KOSPI · Other financial services	2	₩59.1bn +71%	0.8%	Profit +50% Insider buying Insider selling
Intelligent Digital Integrated Security KOSDAQ	2	₩8.6bn +74%	–	Profit +50% Insider buying Major holder adding
Sky Labs KOSDAQ	2	–	–	Insider buying New 5% holder Major holder adding
Smcg KOSDAQ	2	₩1.7bn -4%	–	Insider buying Major holder adding
APS Innovation KOSDAQ	2	₩535m	–	Insider buying Major holder adding
S-Oil KOSPI	1	₩965bn	–	Turnaround Revenue +30% Insider buying Supply contract Insider selling
Anapass KOSDAQ	1	−₩4.2bn -205%	–	Insider buying Major holder adding Control change Swung to loss
Ryuk-il C&S KOSDAQ	1	−₩482m	–	Insider buying New 5% holder Major holder adding Delisting / halt risk
Mi KOSDAQ	1	₩19.5bn -35%	–	Revenue +30% Insider buying Major holder adding Control change
Taewoong KOSDAQ	1	₩3.2bn -33%	–	Insider buying Insider selling
Poongsan KOSPI	1	₩125bn +34%	–	Revenue & profit growth Insider buying
Plateer KOSDAQ	1	₩362m	–	Turnaround Insider buying
Chokwang Leather KOSPI	1	−₩1.4bn -205%	–	Insider buying Swung to loss
Daeyoung Packaging KOSPI	1	₩2.5bn +25%	–	Revenue & profit growth Insider buying
HCT KOSDAQ	1	−₩403m -108%	–	Insider buying Swung to loss
Neuromeka KOSDAQ	1	−₩5.3bn	–	Insider buying 4 quarters of losses
Genoray KOSDAQ	1	₩249m	–	Turnaround Insider buying
Hugel KOSDAQ	1	₩56.0bn -1%	–	Op. margin 20%+ Insider buying
Kumbi KOSPI	1	–	–	Insider buying
Ajin Electronic Components KOSPI	1	₩625m -76%	–	Insider buying
Unick KOSDAQ · Auto parts	1	₩4.9bn -11%	–	Insider buying
d'Alba Global KOSPI	0	₩47.2bn +62%	–	Profit +50% Revenue +30% Revenue & profit growth Op. margin 20%+ Insider buying Insider selling
Madup KOSDAQ	0	₩3.8bn +127%	–	Profit +50% Revenue +30% Revenue & profit growth Op. margin 20%+ Insider buying
Hyosung KOSPI	0	₩232bn +134%	–	Profit +50% Revenue & profit growth Op. margin 20%+ Insider buying Supply contract
KohYoungTechnology KOSDAQ	0	₩14.6bn +479%	–	Profit +50% Revenue +30% Revenue & profit growth Insider buying Major holder adding
LX Holdings KOSPI	0	₩60.3bn +42%	–	Revenue +30% Revenue & profit growth Op. margin 20%+ Insider buying Insider selling
Justem KOSDAQ	0	₩9.3bn +346%	–	Profit +50% Revenue +30% Revenue & profit growth Op. margin 20%+ Insider buying
Bookook Securities KOSPI	0	₩24.5bn +19%	–	Revenue +30% Revenue & profit growth Insider buying Major holder adding
Jooyontech KOSPI	0	₩100m	–	Turnaround Insider buying Major holder adding Delisting / halt risk
GemVax & KAEL KOSDAQ	0	₩997m	–	Turnaround Insider buying Treasury share sale Insider selling
Mirae Asset Venture Investment KOSDAQ	0	₩22.4bn +403%	–	Profit +50% Op. margin 20%+ Insider buying Insider selling
Joosung KOSPI	0	−₩267m	–	Insider buying Major holder adding Swung to loss Insider selling
Alt KOSDAQ	0	₩2.1bn	–	Turnaround Revenue +30% Insider buying Major holder adding
Satoshi Holdings KOSDAQ	0	−₩1.6bn	–	Insider buying Major holder adding 4 quarters of losses Insider selling
YeSUN Tech KOSDAQ	0	₩10m	–	Turnaround Insider buying Major holder adding Insider selling
Xavis KOSDAQ	0	−₩675m	–	Insider buying Major holder adding Swung to loss 4 quarters of losses
People & Technology Ms KOSDAQ	0	₩707m	–	Turnaround Insider buying New 5% holder Major holder adding
Mobidays KOSDAQ	0	₩2.9bn +17%	–	Op. margin 20%+ Insider buying Major holder adding Insider selling
Samyang Comtech KOSDAQ · Fabricated metal products	0	₩11.5bn +46%	–	Revenue +30% Revenue & profit growth Op. margin 20%+ Insider buying
KG Chemical KOSPI	0	₩90.9bn +15%	–	Revenue & profit growth Insider buying Major holder adding
AMOREPACIFIC Holdings KOSPI	0	₩123bn +53%	–	Profit +50% Revenue & profit growth Insider buying
KoreaAlcoholIndustrial KOSDAQ	0	₩17.2bn +85%	–	Profit +50% Revenue & profit growth Insider buying
Sejong Telecom KOSDAQ	0	₩1.4bn	–	Turnaround Insider buying Major holder adding
BioSmart KOSDAQ	0	₩5.1bn +22%	–	Revenue +30% Revenue & profit growth Insider buying
iA KOSDAQ	0	₩1.5bn	–	Turnaround Revenue +30% Insider buying
H&SHigh Tech KOSDAQ	0	₩2.0bn	–	Turnaround Revenue +30% Insider buying
Kukil Metal KOSDAQ	0	₩182m	–	Turnaround Insider buying Major holder adding
Exion Group KOSDAQ	0	−₩674m	–	Insider buying Major holder adding Delisting / halt risk
N Citron KOSDAQ	0	−₩1.2bn	–	Insider buying Major holder adding 4 quarters of losses
HNK Machine Tool KOSDAQ	0	−₩868m	–	Insider buying Supply contract 4 quarters of losses
Sinjin SM KOSDAQ	0	₩1.2bn	–	Turnaround Insider buying Major holder adding
BCnC KOSDAQ	0	₩1.8bn +14%	–	Revenue & profit growth Insider buying Insider selling
Becu AI KOSDAQ	0	−₩27m	–	Insider buying Major holder adding 4 quarters of losses
Icure Pharmaceutical In KOSDAQ	0	₩2.4bn	–	Turnaround Revenue +30% Insider buying
Humasis KOSDAQ	0	−₩3.3bn	–	Insider buying Major holder adding 4 quarters of losses
Celemics KOSDAQ	0	−₩924m	–	Insider buying Major holder adding 4 quarters of losses
D&D Platform REIT KOSPI	0	₩10.4bn +10%	–	Op. margin 20%+ Insider buying Insider selling
Seoul Food IND KOSPI	0	₩224m	–	Turnaround Insider buying
Dawon Cable KOSPI	0	₩3.7bn -31%	–	Revenue +30% Insider buying
SM Bexel KOSPI · Auto parts	0	₩765m -41%	–	Insider buying Major holder adding
Myungmoon Pharm KOSPI	0	−₩836m -115%	–	Insider buying Swung to loss
HLB innoVation KOSDAQ	0	−₩9.2bn	–	Insider buying 4 quarters of losses
Pnpoongnyun KOSDAQ	0	₩310m	–	Buyback Insider buying
Eyesvision KOSDAQ	0	₩2.2bn +48%	–	Revenue & profit growth Insider buying
Solborn KOSDAQ	0	₩16.0bn -26%	–	Op. margin 20%+ Insider buying
Welkeeps Hitech KOSDAQ	0	−₩728m	–	Insider buying 4 quarters of losses
Fine DNC KOSDAQ	0	−₩1.4bn	–	Insider buying 4 quarters of losses
Gaeasoft KOSDAQ	0	₩9.9bn +85%	–	Profit +50% Insider buying
CG MedTech KOSDAQ · Medical devices	0	₩333m -83%	–	Insider buying Major holder adding
WISE iTech KOSDAQ	0	−₩853m	–	Insider buying Swung to loss
EM-Tech KOSDAQ	0	−₩7.3bn	–	Insider buying 4 quarters of losses
Dasan DMC KOSDAQ	0	₩2.8bn -26%	–	Insider buying Major holder adding
FSN KOSDAQ	0	₩12.0bn +27%	–	Insider buying Major holder adding
STraffic KOSDAQ	0	−₩2.7bn -169%	–	Insider buying Swung to loss
Shinhan Alpha REIT KOSPI	0	₩25.3bn -8%	–	Op. margin 20%+ Insider buying
TS Trillion KOSDAQ	0	₩290m	–	Turnaround Insider buying
Auros Technology KOSDAQ	0	−₩2.3bn	–	Insider buying 4 quarters of losses
Samyoung S&C KOSDAQ	0	−₩407m	–	Insider buying 4 quarters of losses

Signals are generated automatically from DART filings (quarterly results, ownership reports, major-event reports and filing titles) and news counts. Prices and trading flows are not included. Not investment advice.

What this list means

Officers or major shareholders reported more shares in the past 30 days. Stock option exercises, gifts and inheritances appear in the same report as open-market purchases, so the reason for the change matters.

Related glossary entry →

Lists are generated automatically from filings and are not investment advice.

Signal definitions

Earnings

TurnaroundLatest quarter swung to an operating profit from a loss a year earlier
Profit +50%Latest quarterly operating profit up more than 50% year on year
Revenue +30%Latest quarterly revenue up more than 30% year on year
Revenue & profit growthLatest quarterly revenue and operating profit both up more than 10% year on year
Op. margin 20%+Operating margin of 20% or more on quarterly revenue of at least ₩5bn

Shareholder returns

BuybackTreasury share purchase or buyback trust decided in the past 90 days
CancellationBuyback with repurchased shares to be cancelled (90 days)
High dividendReported dividend yield of 5% or more in the latest annual report
Dividend growerDividend per share raised three years in a row

Ownership

Insider buyingOfficers or major shareholders reported adding shares (30 days)
New 5% holderA new 5%+ ownership report filed in the past 30 days
Major holder addingA 5%+ shareholder reported raising its stake (30 days)
Stake purpose changeA 5% ownership report changed the holding purpose, e.g. to influence management (90 days)

News & events

News surgeCoverage over the past 24 hours at least 3x the usual level
Supply contractSingle sales or supply contract disclosed in the past 30 days
Asset dealDecision to acquire or dispose of tangible assets (90 days)
M&A / stake dealMerger, spin-off or acquisition/sale of shares in another company (90 days)
Control changeChange of largest shareholder, or a contract that would cause one (90 days)
Private placementThird-party allotment rights offering decided in the past 90 days
Bonus issueBonus share issue decided in the past 90 days
Split / consolidationStock split or reverse split decided in the past 180 days
Treasury share saleDecision to sell treasury shares (90 days)
Clinical trial filingFiling on clinical trial plans or results (90 days)

Caution

Dilution riskRights offering or CB/BW/EB issue decided in the past 90 days
Swung to lossLatest quarter swung to an operating loss from a profit a year earlier
4 quarters of lossesOperating loss in each of the last four quarters
Insider sellingOfficers or major shareholders reported cutting shares (30 days)
Dividend cutDividend per share lower than, or dropped from, the prior year
Capital reductionCapital reduction decided in the past 180 days
LitigationLawsuit filed or ruled on, disclosed in the past 180 days
Delisting / halt riskDelisting grounds, rehabilitation, bankruptcy or rumor-related trading halt (180 days)