ERIKSON ROBERT W

Insider trading activity of ERIKSON ROBERT W

Figures computed from official regulatory filings — methodology.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

ERIKSON ROBERT W

Director at INSITUFORM EAST INC · on record since Dec 15, 2003

President at INSITUFORM EAST INC · on record since Dec 15, 2003

10% owner at INSITUFORM EAST INC · on record since Dec 15, 2003

Director at CERBCO INC · on record since Dec 19, 2003

President at CERBCO INC · on record since Dec 19, 2003

10% owner at CERBCO INC · on record since Dec 19, 2003

Transaction history of ERIKSON ROBERT W

Company	Filed	Type	Qty	Price	Value · USD	Src
CERBCO INC	Mar 1, 2005	AwardD	5,000	—	—	SEC
CERBCO INC	Dec 7, 2004	Other	5,000	28,750.00 USD	—	SEC
CERBCO INC	Dec 7, 2004	OtherD	-5,000	—	—	SEC
CERBCO INC	Sep 22, 2004	Sell	-5,000	8.90 USD	—	SEC
CERBCO INC	Jul 20, 2004	Sell	-500	9.30 USD	—	SEC
CERBCO INC	Jul 20, 2004	Sell	-500	9.20 USD	—	SEC
CERBCO INC	Jul 20, 2004	Sell	-4,000	9.10 USD	—	SEC
CERBCO INC	Mar 1, 2004	Gift	6,000	9.40 USD	—	SEC
CERBCO INC	Mar 1, 2004	Gift	-6,000	9.40 USD	—	SEC
CERBCO INC	Dec 29, 2003	Sell	-2,300	9.50 USD	—	SEC
CERBCO INC	Dec 23, 2003	Sell	-700	10.00 USD	—	SEC
INSITUFORM EAST INC	Dec 23, 2003	Sell	-13,000	1.41 USD	—	SEC
CERBCO INC	Dec 23, 2003	Sell	-2,000	9.50 USD	—	SEC
INSITUFORM EAST INC	Dec 23, 2003	Sell	-2,000	1.42 USD	—	SEC
CERBCO INC	Dec 19, 2003	Other	5,000	7.66 USD	—	SEC
CERBCO INC	Dec 19, 2003	OtherD	-5,000	—	—	SEC
INSITUFORM EAST INC	Dec 15, 2003	OtherD	-15,000	—	—	SEC
INSITUFORM EAST INC	Dec 15, 2003	Other	15,000	1.14 USD	—	SEC