Weekly report · 2026-W39

Sep 21–27

Korean 5% reports, US 13D/13G, insider buys and sells and 13F filings for Sep 21–27.

125 5% ownership reports were filed with Korea's DART that week, 5 of them by institutions or pension funds. SEC received 140 Schedule 13D/13G filings, 89 of them 13D (active intent). US insiders reported 36 open-market buys ($94.2M) and 44 sells ($197M).

125Korean 5% reports
140US 13D/13G
36Insider buys
44Insider sells

Notable institutional 5% reports (Korea)

DART
StockHolderStakeChangeFiled
파인디앤씨
049120수성자산운용
수성자산운용
Institution · Passive holding
12.98%▲ 12.98%p9/23
네패스아크
330860J.P.MORGANSECURITIESPLC
J.P.MORGANSECURITIESPLC
Foreign institution · Passive holding
4.88%▲ 4.88%p9/23
성광벤드
014620UBSAG
UBSAG
Foreign institution · Passive holding
3.69%▲ 3.69%p9/23
자이에스앤디
317400한국투자신탁운용
한국투자신탁운용
Institution · Passive holding
5.46%▲ 0.50%p9/23
키움증권
039490OrbisInvestmentManagementLimited
OrbisInvestmentManagementLimited
Foreign institution · Market trade
5.02%▲ 0.03%p9/23

Notable US 13D/13G

SEC 13D·13G
StockHolderStakeChangeFiled
Cheetah Net Supply Chain Service
CTNTTakeover Time 2026
Takeover Time 2026
Active
62.5%New filing9/21
Syntec Optics Holdings
OPTXAl Kapoor
Al Kapoor
Active
73.6%New filing9/21
Host Digital
HOSTHarmol Samra
Harmol Samra
Active
38.9%New filing9/24
Host Digital
HOSTHans Thomas
Hans Thomas
Active
38.9%New filing9/24
Podcastone
PODCLiveone
Liveone
Active
68.8%New filing9/22
Opera
OPRAHong Kong Kunlun Tech Holding
Hong Kong Kunlun Tech Holding
Active
67.9%New filing9/24
Cheetah Net Supply Chain Service
CTNTTakeover Time 2026
Takeover Time 2026
Active
0.9%▼ 61.6%p9/25
Priority Technology Holdings
PRTHThomas C. Priore
Thomas C. Priore
Active
56.5%New filing9/21
Buzzfeed
BZFDAllen Family Digital
Allen Family Digital
Active
55.7%New filing9/25
Fmc
FMCTessenderlo Group
Tessenderlo Group
Active
20.0%New filing9/25
Pds Biotechnology
PDSBNant Capital
Nant Capital
Active
19.9%New filing9/21
Rainmaker Worldwide
RAKRKelly Michelle White
Kelly Michelle White
Active
16.9%New filing9/21

Largest insider buys

SEC Form 4
StockInsiderTradeAmount ($)Traded
Globalstar
GSATMonroe James Iii · 10% owner
Monroe James Iii
10% owner
Buy29.8M9/18
Capsovision
CVHarari Eliyahou Et Al · 10% owner
Harari Eliyahou Et Al
10% owner
Buy10.0M9/18
Goosehead Insurance
GSHDDurable Capital Partners Lp · 10% owner
Durable Capital Partners Lp
10% owner
Buy7.1M9/22
Enhanced Group
ENHAApeiron Investment Group Ltd. · 10% owner
Apeiron Investment Group Ltd.
10% owner
Buy7.0M9/17
Bank Bradesco
BBDDe Oliveira Andre Luis Duarte · Executive Officer
De Oliveira Andre Luis Duarte
Executive Officer
Buy5.6M9/18
Cascade Real Assets Fund
CRAFXNesbitt Stephen Lane · President
Nesbitt Stephen Lane
President
Buy5.0M9/21
Bank Bradesco
BBDAlvarez Denise Aguiar · Director
Alvarez Denise Aguiar
Director
Buy2.3M9/18
Bank Bradesco
BBDParis Roberto De Jesus · Executive Officer
Paris Roberto De Jesus
Executive Officer
Buy1.7M9/18
Kayne Anderson Bdc
KBDCRobo James L · Director
Robo James L
Director
Buy1.5M9/23
Triplepoint Venture Growth Bdc
TPVGLabe James · CEO
Labe James
CEO
Buy1.5M9/18

Largest insider sells

SEC Form 4
StockInsiderTradeAmount ($)Traded
Globalstar
GSATLynch James F · Director
Lynch James F
Director
Sell29.8M9/18
Sionna Therapeutics
SIONRa Capital Management, L.P. · 10% owner
Ra Capital Management, L.P.
10% owner
Sell21.6M9/17
Snowflake
SNOWDageville Benoit · Director
Dageville Benoit
Director
Sell Plan17.0M9/23
Dell Technologies
DELLKennedy David Alan · CFO
Kennedy David Alan
CFO
Sell14.0M9/17
Crowdstrike Holdings
CRWDSentonas Michael · President
Sentonas Michael
President
Sell11.3M9/21
Redwire
RDWAe Red Holdings, Llc · Director
Ae Red Holdings, Llc
Director
Sell10.5M9/23
Biontech
BNTXSahin Ugur · CEO
Sahin Ugur
CEO
Sell Plan7.9M9/22
Celestica
CLSCooper Todd C · President
Cooper Todd C
President
Sell Plan7.2M9/23
Pharvaris N.V.
PHVSSchikan Johannes Gerardus Christiaan Petrus · Director
Schikan Johannes Gerardus Christiaan Petrus
Director
Sell7.0M9/17
Biontech
BNTXSahin Ugur · CEO
Sahin Ugur
CEO
Sell Plan6.8M9/24

Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.