Who has been buying ESR Kendall Square Ritz stock?

1 distinct insiders have filed 65 disclosed insider purchases in ESR Kendall Square Ritz (365550), most recently on 2026-07-15. 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 ESR Kendall Square Ritz have?

ESR Kendall Square Ritz has 65 buy-side and 114 sell-side disclosures on record, covering ₩46.6B ($32.3M) in total reported value, spanning 2025-06-11 to 2026-07-15.

Do insider buys in Korean stocks predict returns?

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

ESR Kendall Square Ritz 365550

Company

ESR켄달스퀘어리츠ESR Kendall Square Ritz

Insiders

Buys

Total Value

₩46.6B ($32.3M)

Avg Return

-0.48%

Last Filing

2026-07-15

ESR Kendall Square Ritz (365550) has 65 disclosed insider purchases and 114 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩46.6B ($32.3M) in reported transaction value. The earliest filing StockDrifts holds for ESR Kendall Square Ritz is dated 2025-06-11; the most recent is 2026-07-15. Across these filings the average return since disclosure is -0.48%, 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
2026-09-22	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	2.9K	₩3,175	+2.4%	₩9M ($6K)
2026-09-22	SELL	기타	미래에셋자산운용 Mirae Asset Asset Management	-	-486	₩3,175	-2.4%	₩1M ($1K)
2026-09-22	SELL	대여	미래에셋자산운용 Mirae Asset Asset Management	-	-25.7K	₩3,175	-2.4%	₩80M ($56K)
2026-09-22	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	45.5K	₩3,175	+2.4%	₩138M ($96K)
2026-09-21	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	41.0K	₩3,135	+3.7%	₩127M ($88K)
2026-09-18	SELL	기타	미래에셋자산운용 Mirae Asset Asset Management	-	-162	₩3,060	-6.2%	₩505K ($351)
2026-09-18	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	27.3K	₩3,060	+6.2%	₩85M ($59K)
2026-09-17	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	21.0K	₩3,120	+4.2%	₩65M ($45K)
2026-09-17	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	9.1K	₩3,120	+4.2%	₩29M ($20K)
2026-09-17	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	10.0K	₩3,120	+4.2%	₩32M ($22K)
2026-09-16	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	175.7K	₩3,135	+3.7%	₩551M ($382K)
2026-09-16	SELL	기타	미래에셋자산운용 Mirae Asset Asset Management	-	-162	₩3,135	-3.7%	₩518K ($359)
2026-09-15	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	67.7K	₩3,190	-3.1%	₩215M ($149K)
2026-09-15	SELL	대여	미래에셋자산운용 Mirae Asset Asset Management	-	-163.4K	₩3,190	+3.1%	₩522M ($362K)
2026-09-15	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	163.4K	₩3,190	-3.1%	₩521M ($362K)
2026-09-14	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	22.8K	₩3,210	-3.7%	₩71M ($49K)
2026-09-14	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	28.0K	₩3,210	-3.7%	₩88M ($61K)
2026-09-14	SELL	Market Sell	미래에셋자산운용 Mirae Asset Asset Management	-	-20.0K	₩3,210	+3.7%	₩62M ($43K)
2026-09-14	SELL	대여	미래에셋자산운용 Mirae Asset Asset Management	-	-104.2K	₩3,210	+3.7%	₩332M ($230K)
2026-09-14	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	104.2K	₩3,210	-3.7%	₩334M ($232K)
2026-09-11	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	18.2K	₩3,185	-3.0%	₩57M ($40K)
2026-09-11	SELL	기타	미래에셋자산운용 Mirae Asset Asset Management	-	-162	₩3,185	+3.0%	₩509K ($354)
2026-09-11	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	49.4K	₩3,185	-3.0%	₩155M ($108K)
2026-09-10	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	78.3K	₩3,120	-1.0%	₩245M ($170K)
2026-09-10	SELL	기타	미래에셋자산운용 Mirae Asset Asset Management	-	-162	₩3,120	+1.0%	₩509K ($353)
2026-09-10	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	82.0K	₩3,120	-1.0%	₩257M ($179K)
2026-09-09	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	47.8K	₩3,145	-1.8%	₩147M ($102K)
2026-09-09	SELL	기타	미래에셋자산운용 Mirae Asset Asset Management	-	-324	₩3,145	+1.8%	₩991K ($689)
2026-09-08	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	45.5K	₩3,140	+1.6%	₩141M ($98K)
2026-09-08	SELL	Market Sell	미래에셋자산운용 Mirae Asset Asset Management	-	-20.0K	₩3,140	-1.6%	₩61M ($43K)
2026-09-08	SELL	대여	미래에셋자산운용 Mirae Asset Asset Management	-	-204	₩3,140	-1.6%	₩624K ($434)
2026-09-08	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	51.9K	₩3,140	+1.6%	₩163M ($113K)
2026-09-07	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	109.0K	₩3,060	+4.3%	₩346M ($240K)
2026-09-04	SELL	기타	미래에셋자산운용 Mirae Asset Asset Management	-	-3.0K	₩3,085	-3.4%	₩9M ($6K)
2026-09-04	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	5.0K	₩3,085	+3.4%	₩16M ($11K)
2026-09-04	SELL	기타	미래에셋자산운용 Mirae Asset Asset Management	-	-4.6K	₩3,085	-3.4%	₩15M ($10K)
2026-09-04	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	208.9K	₩3,085	+3.4%	₩645M ($448K)
2026-09-04	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	101.5K	₩3,085	+3.4%	₩323M ($224K)
2026-09-03	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	486	₩3,120	+2.2%	₩2M ($1K)
2026-09-03	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	15.0K	₩3,120	+2.2%	₩48M ($33K)
2026-09-02	SELL	기타	미래에셋자산운용 Mirae Asset Asset Management	-	-27.5K	₩3,120	+1.1%	₩86M ($60K)
2026-09-02	SELL	기타	미래에셋자산운용 Mirae Asset Asset Management	-	-41.0K	₩3,120	+1.1%	₩127M ($88K)
2026-09-02	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	73.9K	₩3,120	-1.1%	₩232M ($161K)
2026-09-02	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	41.0K	₩3,120	-1.1%	₩128M ($89K)
2026-08-31	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	177.0K	₩3,125	-1.3%	₩534M ($371K)
2026-08-28	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	173.1K	₩3,100	-0.5%	₩530M ($368K)
2026-08-27	BUY	Market Buy	미래에셋자산운용 Mirae Asset Asset Management	-	219.2K	₩3,055	+1.0%	₩661M ($459K)
2026-08-27	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	280.8K	₩3,055	+1.0%	₩848M ($589K)
2026-08-26	SELL	기타	미래에셋자산운용 Mirae Asset Asset Management	-	-3.0K	₩3,065	-1.1%	₩9M ($6K)
2026-08-26	BUY	기타	미래에셋자산운용 Mirae Asset Asset Management	-	22.8K	₩3,065	+1.1%	₩69M ($48K)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying ESR Kendall Square Ritz stock?: 1 distinct insiders have filed 65 disclosed insider purchases in ESR Kendall Square Ritz (365550), most recently on 2026-07-15. 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 ESR Kendall Square Ritz have?: ESR Kendall Square Ritz has 65 buy-side and 114 sell-side disclosures on record, covering ₩46.6B ($32.3M) in total reported value, spanning 2025-06-11 to 2026-07-15.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

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