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CIK 0000727510 · Non-accelerated filer<br>Smaller reporting company

Viskase Holdings, Inc.

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Ticker
VISK
Exchange
OTC
Industry
Biological Products, (No Diagnostic Substances)
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
222372868
Phone
(630) 874-0700
Business address
333 EAST BUTTERFIELD ROAD, SUITE 400, LOMBARD, IL, 60148
Former names
ENZON PHARMACEUTICALS, INC., ENZON PHARMACEUTICALS INC, ENZON PHARMACEUTICALS INC, ENZON PHARMACEUTICAL INC, ENZON INC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2011-04-03 del Campo Ralph COO and Princ. Exec. Officer Option exercise · Restricted Stock Units −16,800 0
2011-04-03 Davit Paul Stephen Exec. Vice Pres. HR Option exercise +12,760 115,050.17
2011-04-03 Davit Paul Stephen Exec. Vice Pres. HR Shares withheld for taxes −3,767 $11.02 $42K 111,283.17
2011-04-03 Davit Paul Stephen Exec. Vice Pres. HR Option exercise · Restricted Stock Units −12,760 0
2011-03-30 del Campo Ralph COO and Princ. Exec. Officer Other acquisition +2,500 159,670.14
2011-03-30 del Campo Ralph COO and Princ. Exec. Officer Shares withheld for taxes −886 $10.76 $10K 158,784.14
2011-03-30 HORAK IVAN D EVP, R&D, CSO Other acquisition +2,500 122,262
2011-03-30 HORAK IVAN D EVP, R&D, CSO Shares withheld for taxes −886 $10.76 $10K 121,376
2011-03-30 Davit Paul Stephen Exec. Vice Pres. HR Other acquisition +1,333 102,684.17
2011-03-30 Davit Paul Stephen Exec. Vice Pres. HR Shares withheld for taxes −394 $10.76 $4K 102,290.17
2011-02-28 Ogden Mark L Acting VP of Fin & Prin FO Purchase +2,000 $10.65 $21K 4,000
2011-02-22 LEBUHN ROBERT Director Sale −10,000 $10.88 $109K 96,519
2011-01-27 HORAK IVAN D EVP, R&D, CSO Other acquisition +16,465 128,332
2011-01-27 HORAK IVAN D EVP, R&D, CSO Shares withheld for taxes −6,070 $11.63 $71K 122,262
2011-01-27 Davit Paul Stephen Exec. Vice Pres. HR Other acquisition +7,599 105,217.17
2011-01-27 Davit Paul Stephen Exec. Vice Pres. HR Shares withheld for taxes −2,533 $11.63 $29K 102,684.17
2011-01-27 del Campo Ralph COO and Princ. Exec. Officer Other acquisition +12,665 164,414.14
2011-01-27 del Campo Ralph COO and Princ. Exec. Officer Shares withheld for taxes −4,744 $11.63 $55K 159,670.14
2011-01-17 HORAK IVAN D EVP, R&D, CSO Other acquisition +18,333 135,125
2011-01-17 HORAK IVAN D EVP, R&D, CSO Shares withheld for taxes −6,793 $12.15 $83K 128,332

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