Insider · CIK 0000924039

KNAFEL SIDNEY R

Reports to the SEC for 4 companies · NEW YORK, NY

sec.gov

Transactions

Companies

Filings

CIK

0000924039

Forms 4 and 5

Insider transactions

44 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2019-12-30	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+4,908 sh	$36.78	+$181K	78,588
2018-12-28	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+5,116 sh	$30.16	+$154K	73,681
2017-12-29	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+5,778 sh	$33.58	+$194K	68,565
2016-12-30	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+5,612 sh	$31.38	+$176K	62,787
2015-12-30	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+2,057 sh	$30.81	+$63.4K	57,175
2014-12-30	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+4,988 sh	$35.21	+$176K	55,118
2013-12-30	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+2,881 sh	$34.48	+$99.3K	50,184
2013-01-31	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+957 sh	$29.06	+$27.8K	47,303
2012-12-28	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+2,196 sh	$28.14	+$61.8K	46,346
2012-02-27	VirtualScopics, Inc.stock optionA Award	Director	AAward	+3,750 sh	$1.21	+$4,537.5	387,694
2012-02-27	VirtualScopics, Inc.restricted stock unitA Award	Director	AAward	+13.3K sh	$1.21	+$16.1K	412,283
2012-02-27	VirtualScopics, Inc.stock optionA Award	Director	AAward	+3,750 sh	$1.21	+$4,537.5	398,944
2012-02-27	VirtualScopics, Inc.stock optionA Award	Director	AAward	+3,750 sh	$1.21	+$4,537.5	395,194
2012-02-27	VirtualScopics, Inc.stock optionA Award	Director	AAward	+3,750 sh	$1.21	+$4,537.5	391,444
2011-12-23	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+849 sh	$25.48	+$21.6K	44,150
2011-08-15	VirtualScopics, Inc.F Tax Payment	Director	FTax Payment	−20.7K sh	$1.29	−$26.6K	435,091
2011-08-15	VirtualScopics, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+36K sh	$0.74	+$26.6K	455,742
2011-08-15	VirtualScopics, Inc.Stock OptionM Exercise/Conversion	Director	MExercise/Conversion	−36K sh	—	—	786,804
2011-03-02	VirtualScopics, Inc.Restricted Stock UnitA Award	Director	AAward	+12.3K sh	$1.99	+$24.5K	1,232,546
2011-03-02	VirtualScopics, Inc.stock optionA Award	Director	AAward	+2,500 sh	$1.99	+$4,975	1,242,546
2011-03-02	VirtualScopics, Inc.stock optionA Award	Director	AAward	+2,500 sh	$1.99	+$4,975	1,240,046
2011-03-02	VirtualScopics, Inc.stock optionA Award	Director	AAward	+2,500 sh	$1.99	+$4,975	1,237,546
2011-03-02	VirtualScopics, Inc.stock optionA Award	Director	AAward	+2,500 sh	$1.99	+$4,975	1,235,046
2010-12-23	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+704 sh	$26.01	+$18.3K	43,301
2010-05-10	VirtualScopics, Inc.stock optionP Purchase	Director	PPurchase	+2,929 sh	$1.28	+$3,749.12	111,014
2010-05-10	VirtualScopics, Inc.stock optionP Purchase	Director	PPurchase	+2,930 sh	$1.28	+$3,750.4	102,225
2010-05-10	VirtualScopics, Inc.stock optionP Purchase	Director	PPurchase	+2,930 sh	$1.28	+$3,750.4	105,155
2010-05-10	VirtualScopics, Inc.stock optionP Purchase	Director	PPurchase	+2,930 sh	$1.28	+$3,750.4	108,085
2009-12-28	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+642 sh	$22.86	+$14.7K	42,597
2009-11-11	VirtualScopics, Inc.Restricted Stock UnitA Award	Director	AAward	+37.5K sh	$1.16	+$43.5K	121,949
2009-11-04	VirtualScopics, Inc.STOCK OPTIOND Disposition to Issuer	Director	DDisposition to Issuer	−25K sh	$3.03	−$75.8K	335,902
2009-11-04	VirtualScopics, Inc.STOCK OPTIONA Award	Director	AAward	+12.5K sh	$1.20	+$15K	348,402
2008-12-26	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+1,154 sh	$15.55	+$17.9K	41,956
2006-08-10	VirtualScopics, Inc.stock optionA Award	Director	AAward	+6,250 sh	$3.03	+$18.9K	66,421
2006-08-10	VirtualScopics, Inc.stock optionA Award	Director	AAward	+6,250 sh	$3.03	+$18.9K	66,421
2006-08-10	VirtualScopics, Inc.stock optionA Award	Director	AAward	+6,250 sh	$3.03	+$18.9K	66,421
2006-08-10	VirtualScopics, Inc.stock optionA Award	Director	AAward	+6,250 sh	$3.03	+$18.9K	66,421
2005-12-22	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+1,634 sh	$34.81	+$56.9K	32,436
2005-03-10	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+270 sh	$30.94	+$8,353.8	30,802
2004-12-23	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+861 sh	$31.02	+$26.7K	30,532
2004-02-06	BIORELIANCE CORPU Disposition from Tender	Director, Chairman, 10% Shareholder	UDisposition from Tender	−1.22M sh	$48.00	−$58.4M	0
2004-02-06	BIORELIANCE CORPU Disposition from Tender	Director, Chairman, 10% Shareholder	UDisposition from Tender	−1.83M sh	$48.00	−$88M	0
2003-12-23	GAMGENERAL AMERICAN INVESTORS CO INCJ Other	Director	JOther	+501 sh	$29.07	+$14.6K	29,671
2003-11-06	INSIGHT COMMUNICATIONS CO INCClass B Common StockA Award	Director, Chairman	AAward	+68K sh	—	—	68,000

Recent filings

Accepted (ET)
Feb 75
KNAFEL SIDNEY R0000040417-20-000015
SEC(opens sec.gov)
Feb 75
KNAFEL SIDNEY R0000040417-19-000012
SEC(opens sec.gov)
Jan 305
KNAFEL SIDNEY R0000040417-18-000012
SEC(opens sec.gov)
Feb 95
GENERAL AMERICAN INVESTORS CO INC0000040417-17-000017
SEC(opens sec.gov)
Feb 115
GENERAL AMERICAN INVESTORS CO INC0000040417-16-000144
SEC(opens sec.gov)
Jan 275
GENERAL AMERICAN INVESTORS CO INC0000040417-15-000017
SEC(opens sec.gov)
Feb 135
GENERAL AMERICAN INVESTORS CO INC0000040417-14-000063
SEC(opens sec.gov)
Jan 245
KNAFEL SIDNEY R0000040417-13-000006
SEC(opens sec.gov)
Mar 54
KNAFEL SIDNEY R0001144204-12-012886
SEC(opens sec.gov)
Jan 105
KNAFEL SIDNEY R0000040417-12-000001
SEC(opens sec.gov)
Aug 184
KNAFEL SIDNEY R0001386139-11-000008
SEC(opens sec.gov)
Mar 44
KNAFEL SIDNEY R0001144204-11-012982
SEC(opens sec.gov)

Companies

Address

810 SEVENTH AVENUE

NEW YORK, NY, US 10019