19 insiders bought €2.8M of shares over the last 90 days, the latest by 홍석호, filed 19 Aug 2026.
Booster Co., Ltd.: what insiders have been doing
This page follows insider dealings at Booster Co., Ltd. as filed with DART (FSS), a company from the Industrials sector. The last twelve months, up to 22 October 2026, brought 47 filings signed by 21 insiders.
Not one open-market sale was filed. On the buying side, 20 insiders reported 46 purchases totalling €2,832. The totals do not cover 45 filings with an undisclosed amount. Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. Among those who bought: 16 board members, 9 senior executives and 3 chief executives. Biggest ticket of the year: €2,832, bought by 유덕기 and made public on 1 June 2026 (0.015% of market cap).
For context, the typical company on the same exchange (median of 2,650 companies) published 7 filings over the same period, against 47 filings here. Looking back to 2021, when coverage begins, insiders filed 69 purchases and 1 sale.
The last insider purchase was made public on 19 August 2026, 82 days ago. Filings reach the DART (FSS) feed a median of 4 days after the trade. This delay matters because a trade only becomes useful information once it is public.
Other companies in the same sector with recent insider buying flagged by our signals: Bolloré SE and Deceuninck. This summary is built from DART (FSS) disclosures alone and does not predict where the share price will go.
Who traded when
BuySale+14 other insiders
Since the insiders bought
- -50.9%Entry ₩3,225 · Close 22 Oct 2026 ₩1,583
- -56.6%Entry ₩3,650 · Close 22 Oct 2026 ₩1,583
- -4.0%Entry ₩3,670 · Close at T+90 ₩3,525
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
- Other0DART
- 4,599 sharesShareKRXDART:20260819000216Canonical exit: 17 Nov 2026 (T+90)
- 877 sharesShareKRXDART:20260819000217Canonical exit: 17 Nov 2026 (T+90)
- 28,293 sharesShareKRXDART:20260819000177Canonical exit: 17 Nov 2026 (T+90)
- 977 sharesShareKRXDART:20260819000207Canonical exit: 17 Nov 2026 (T+90)
- 51,131 sharesShareKRXDART:20260819000174Canonical exit: 17 Nov 2026 (T+90)
- 1,002 sharesShareKRXDART:20260819000212Canonical exit: 17 Nov 2026 (T+90)
- 21,833 sharesShareKRXDART:20260819000188Canonical exit: 17 Nov 2026 (T+90)
- 1,877 sharesShareKRXDART:20260819000205Canonical exit: 17 Nov 2026 (T+90)
- 2,121 sharesShareKRXDART:20260819000179Canonical exit: 17 Nov 2026 (T+90)
- 676 sharesShareKRXDART:20260819000224Canonical exit: 17 Nov 2026 (T+90)
- 2,660 sharesShareKRXDART:20260819000199Canonical exit: 17 Nov 2026 (T+90)
- 1,952 sharesShareKRXDART:20260819000221Canonical exit: 17 Nov 2026 (T+90)
- 992,211 sharesShareKRXDART:20260819000164Canonical exit: 17 Nov 2026 (T+90)
- 1,127 sharesShareKRXDART:20260819000195Canonical exit: 17 Nov 2026 (T+90)
- 751 sharesShareKRXDART:20260819000191Canonical exit: 17 Nov 2026 (T+90)
- 19,046 sharesShareKRXDART:20260819000183Canonical exit: 17 Nov 2026 (T+90)
- 21,098 sharesShareKRXDART:20260819000193Canonical exit: 17 Nov 2026 (T+90)
- 20,450 sharesShareKRXDART:20260819000186Canonical exit: 17 Nov 2026 (T+90)
- 1,492,240 sharesShareKRXDART:20260819000171Canonical exit: 17 Nov 2026 (T+90)
- 17,885 sharesShareKRXDART:20260624000334Canonical exit: 22 Sept 2026 (T+90)
- 17,193 sharesShareKRXDART:20260624000345Canonical exit: 22 Sept 2026 (T+90)
- 36,506 sharesShareKRXDART:20260624000320Canonical exit: 22 Sept 2026 (T+90)
- 25,790 sharesShareKRXDART:20260624000324Canonical exit: 22 Sept 2026 (T+90)
- 19,022 sharesShareKRXDART:20260624000340Canonical exit: 22 Sept 2026 (T+90)
25 of 81 declarations
About Booster Co., Ltd.
부스타 is a company operating in the industrial sector, listed on the XKRX market.
