Bistos419540

Largest holderCU Medical Systems49.83%$6.2M

Filed holders115% or more, plus insiders

Price and institutional trades

1Y 2Y

$2.10−69.2%2Y

JanAprJulOctJanAprJulOct

Holders

$6.2M · 2026-08-2049.83%New

$1.6M · direct 8.36% · indirect 4.06% · 2026-08-1012.42%New

Direct8.36%
CU Medical Systems 8.15% → Bistos 49.83%4.06%

$798K · 2026-01-211.66%

$633K · 2026-01-211.31%

7 other related parties$687K1.48%

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

Indirect-only holders

$1.4M · indirect11.37%

CU Medical Systems 22.82% → Bistos 49.83%11.37%

$253K · indirect2.03%

CU Medical Systems 4.07% → Bistos 49.83%2.03%

Companies held by Bistos

CU Medical Systems$452K · 2026-07-132.54%

Filings

Filed	Changed	Before → after	Amount	Avg buy price
2026-08-20	2026-08-14	49.22 → 49.91%	+$100K	$2.36	Filing
2026-08-10	2026-07-06	12.42 → 8.36%	−$6.7M	-	Filing
2026-06-22	2026-06-18	34.20 → 49.22%	+$2.6M	$1.91	Filing
2026-06-12	2026-06-05	34.42 → 34.20%	−$13M	$1.97	Filing
2026-04-06	2026-03-30	0.00 → 12.42%	+$2.2M	$0.68

CU Medical Systems 2.78% → Bistos 49.83%1.39%

$173K · indirect1.39%

CU Medical Systems 2.78% → Bistos 49.83%1.39%

$158K · indirect1.27%

CU Medical Systems 2.54% → Bistos 49.83%1.27%

$158K · indirect1.27%

CU Medical Systems 2.54% → Bistos 49.83%1.27%

$13K · indirect0.11%

QuantumRail 8.33% → CU Medical Systems 2.54% → Bistos 49.83%0.11%

$13K · indirect0.10%

QuantumRail 8.10% → CU Medical Systems 2.54% → Bistos 49.83%0.10%

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

13 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 $1.93 (partial)

· avg $4.23 (partial)

Park Seung-giInsider report