OptiCore380540

Largest holderlaelapslab17.87%$27M

Filed holders65% or more, plus insiders

Price and institutional trades

1Y 2Y

$6.26+137.2%1Y

DecJanFebMarAprMayJunJulAugSepOctNov

Holders

$27M · 2026-05-1317.87%−0.21pp

$21M · 2025-06-177.13%

$12M · 2026-01-304.02%New

$10M · 2025-10-143.38%

$3.8M · 2025-07-151.24%

$1.7M · 2026-05-141.14%−0.60pp

Average cost is the mean purchase price from filings since November 2024. Indirect stakes multiply ownership through listed companies.

Indirect-only holders

$713K · indirect0.47%

Daeho AL 13.78% → OptiCore 3.38%0.47%

$482K · indirect0.32%

Daeho AL 9.32% → OptiCore 3.38%0.32%

Filings

Filed	Changed	Before → after	Amount	Avg buy price
2026-08-19	2026-08-05	5.02 → 0.00%	−$8.1M	-	Filing
2026-06-02	2026-05-08	6.29 → 0.00%	−$20M	-	Filing
2026-05-13	2026-05-07	18.08 → 17.87%	-	-	Filing
2026-01-30	2026-01-21	0.00 → 4.02%	+$3.8M	$1.00	Filing
2026-01-26	-	1.23 → 0.51%

Daeho AL 8.21% → OptiCore 3.38%0.28%

$373K · indirect0.24%

Daeho AL 7.21% → OptiCore 3.38%0.24%

$298K · indirect0.20%

Daeho AL 5.77% → OptiCore 3.38%0.20%

$252K · indirect0.16%

Daeho AL 4.87% → OptiCore 3.38%0.16%

$194K · indirect0.13%

Daeho AL 3.75% → OptiCore 3.38%0.13%

No direct stake in the filings. It may be under 5% or filed before November 2024, so actual holdings may be larger.

Show 1 unchanged reports

Filed	Changed	Holder	Change	Before → after	Amount	Avg buy price
2026-05-14	-			1.14 → 1.14%	−$1.7M	-	Filing

26 in the last 2 years · amount = quantity × price per trade in the last year (closing price where no price is filed), avg buy price = average of buys in that filing · change dates and prices only where the original filing was fetched

· avg $2.50 (partial)

Park Kyoung-suInsider report

Not a trade −0.21pp

Kim Jin-hwanInsider report

Park Kyoung-suInsider report

Not a trade −4.54pp

Kim Jin-hwanInsider report

Park Kyoung-suInsider report

Kim Do-hunInsider report

Park Kyoung-suInsider report