No insider purchase over the last 90 days. The latest, by 고연완, was filed 27 May 2026.
Who traded when
BuySaleSince the insiders bought
- -46.7%Entry ₩18,400 · Close 30 Oct 2026 ₩9,810
- -48.7%Entry ₩19,110 · Close 30 Oct 2026 ₩9,810
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.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
- 721 sharesKRXDART:20260527000169Canonical exit: 18 Aug 2026 (T+90)
- 1,392 shares0.0069% mcap100.0% of flowKRXDART:20260416000098Canonical exit: 14 Jul 2026 (T+90)
- 45,990 shares0.23% mcap56.3% of flowKRXDART:20260414002486
- 45,990 shares@ ₩18,830.000.18% mcap43.7% of flowShareKRXDART:20260414002495Canonical exit: 6 Jul 2026 (T+90)
- 32,000 shares0.14% mcap100.0% of flowKRXDART:20260406004521
- 10,000 shares@ ₩24,200.000.049% mcap100.0% of flowShareKRXDART:20260406004455
- 22,000 shares@ ₩23,782.000.11% mcap100.0% of flowShareKRXDART:20260406004423
- 0KRXDART:20260313000887
- 0KRXDART:20260313000868
- 0KRXDART:20260313000222
- 58,500 shares@ ₩308.000.0038% mcap100.0% of flowShareKRXDART:20260313000209Canonical exit: 11 Jun 2026 (T+90)
- 7,033 sharesShareKRXDART:20260227006582Canonical exit: 28 May 2026 (T+90)
- 0KRXDART:20260227006763
- 7,033 sharesShareKRXDART:20260227006486
- 700,000 sharesShareKRXDART:20260209000569
- 800,000 sharesKRXDART:20260209000499
- 2,617 sharesKRXDART:20251106000106Canonical exit: 1 Feb 2026 (T+90)
- ●Executives0DART
- 18,383 sharesShareKRXDART:20250502000378Canonical exit: 31 Jul 2025 (T+90)
- 7,353 sharesShareKRXDART:20250502000368
- 11,030 sharesShareKRXDART:20250502000364
- 7,500 sharesShareKRXDART:20241024000234
- 22,000 sharesShareKRXDART:20241024000204
- 4,631 sharesKRXDART:20240813000778Canonical exit: 10 Nov 2024 (T+90)
- 0KRXDART:20240807000181
25 of 73 declarations
About FIBERPRO, Inc.
On April 7, 2026, 인터베스트 appears on both sides at 파이버프로 (FIBERPRO, Inc.): a purchase of EUR 493,615 and a sale of EUR 635,766. The other large sales in the record are EUR 405,014 for 고연완 (대표이사) on April 2, 2026 and EUR 300,319 for 정호진 (사내이사) on April 6, 2026.
This South Korean technology company, listed on the Korea Exchange, is worth KRW 371.8 billion, and insiders hold 50% of the capital. Of 73 filings, published by 10 filers between January 19, 2022 and May 27, 2026, there are 22 sales and 11 purchases, or 33% purchases. Four sales carry an amount (EUR 1,480,007 in all, median EUR 352,667), against three purchases (EUR 523,183, median EUR 19,063). 김종관 (기술이사) filed 35 times and 고연완 23, including 6 purchases and 11 sales.
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The year 2022 has 27 filings, against 5 in 2025 and 16 in 2026. From August 7, 2024 to August 12, 2024, 4 filers bought. Filings are published the same day, at the median.
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