SEC CIK 1279246

SPERRY MARK A

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
PLUGview stock →67,4272010-03-05

Position History — PLUG

Reported shares owned immediately after each Form 4 transaction, over time.

045,46590,929136,3942006-022007-022008-122009-032009-052010-022010-022010-03

Recent Filings — PLUG

DateActivitySharesPriceOwned After
2010-03-05Open-market sale20,375$0.5367,427
2010-02-08Tax withholding14,073$0.5487,802
2010-02-08Grant / award34,448$0.00101,875
2010-02-08Tax withholding14,073$0.5487,802
2009-05-20Grant / award (derivative)2,500$0.00189,527
2009-05-12Tax withholding2,947$0.9167,427
2009-05-12Grant / award8,505$0.0070,374
2009-04-03Open-market sale48,000$0.9261,869
2009-03-09Grant / award76,549$0.00136,394
2009-03-09Tax withholding26,525$0.91109,869
2008-12-20Tax withholding2,427$0.9061,630
2008-02-04Open-market sale3,150$2.9264,057
2008-01-24Grant / award (derivative)27,000$0.00187,027
2007-02-01Open-market sale3,200$3.6567,207
2006-02-01Grant / award (derivative)40,000$5.58120,027
2006-02-01Grant / award21,000$5.5870,407
2006-02-01Grant / award1,815$5.5849,407

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.