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NK: what insiders have been doing
This page follows insider dealings at NK as filed with TWSE / TPEx (MOPS). In the past year (18 October 2025 to 18 October 2026), 9 filings came from 2 insiders.
No open-market purchase or sale appears among the filings, only grants, plan transactions and other operations. Grants and option exercises follow pay plans set in advance, so they reveal less about an insider's own view than a purchase made with personal money.
Insider buying of NK has been absent for the past year. Most trades are made public on the day they happen. That lag is the time during which only the insider knows about the trade.
For context, the typical company on the same exchange (median of 515 companies) published 2 filings over the same period, against 9 filings here.
This summary is built from TWSE / TPEx (MOPS) disclosures alone and does not predict where the share price will go.
Insider Decl.
9
Thresholds
n/a
Buy Volume
n/a
n/a
Sell Volume
n/a
n/a
Fundamental score
Ranked 13,257 of 24,148 companies
48.8
score / 100
Value49
Quality49
FCF yld6.4%
Earn yld3.7%
EV/EBITDA23.3x
ROE30%
Gross mgn21%
Net mgn9.6%
Debt/EBITDA11.9x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
NT$30
Analyst consensus
Income statement
RevenueNT$8.4B
Gross profitNT$1.8B21% margin
EBITDANT$1.9B23% margin
Net incomeNT$809.8M24.4% margin
Valuation
PER (trailing)5.3x
P/Book1.4x
Beta-0.12
Balance sheet & cash
Market capNT$21.3B
Total debtNT$23B
Free Cash FlowNT$1.4B
Debt / Equity109%
Profitability & ownership
ROE30.4%
ROA6.2%
% insiders43.0%
% institutions5.4%
Last declaration on 18 September 2026
Declarations9 total
3,355,000 sharesShareTWSETWMOPS:2101:115/09/18:南冠輪胎股份有限公司:0lv4m2n
7,560,000 sharesShareTWSETWMOPS:2101:115/07/09:南冠輪胎股份有限公司:0c7f3gx
1,930,000 sharesShareTWSETWMOPS:2101:115/06/26:南冠輪胎股份有限公司:0izhelq
8,020,000 sharesShareTWSETWMOPS:2101:115/06/18:南冠輪胎股份有限公司:16jqgo4
4,370,000 sharesShareTWSETWMOPS:2101:115/06/18:詮曄投資股份有限公司:0gnxxil
1,545,000 sharesShareTWSETWMOPS:2101:115/06/12:南冠輪胎股份有限公司:005umps
4,280,000 sharesShareTWSETWMOPS:2101:115/04/24:南冠輪胎股份有限公司:0wz4avw
7,100,000 sharesShareTWSETWMOPS:2101:115/03/13:南冠輪胎股份有限公司:0sbyyoi
2,700,000 sharesShareTWSETWMOPS:2101:115/03/09:南冠輪胎股份有限公司:0pqqiag
9 of 9 declarations
About NK
南港 is a company listed on the XTAI market.