Viskase Holdings, Inc.
VISK- Exchange
- OTC
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0000727510
No open-market purchases or sales by Viskase Holdings, Inc. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026
- 0
- 13F valueReported value at the end of Q2 2026
- $0
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding VISK, Q2 2026
No superinvestor reported holding VISK at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Viskase Holdings, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 16, 2023 (view filing)4:05 PM ET | Jun 14-16 | 2 days | Read Randolph CDirector | PPurchase | +99.5K | $0.1397 | +$13.9K | +99.1%200.0K after | 2 lots |
| Aug 17, 2021 (view filing)6:07 PM ET | Aug 13 | 4 days | Couchman Jonathan and 3 others10% Owner | SSaleCommon Stock, $0.01 par value | −107.5K | $0.3898 | −$41.9K | −5.0%2.04M after | 2 lots |
Top 10 13F holders, Q2 2026
The largest institutional positions in Viskase Holdings, Inc. at the end of Q2 2026; share changes are against Q1 2026.
No institution reported holding VISK in 13F filings for Q2 2026.