NORTHROP GRUMMAN CORP

Ticker: NOC CUSIP: 666807102 Class: COM

OAK ASSOCIATES LTD /OH/'s Holding History (CIK: 0000836372)

Note: Option positions (PUT/CALL) are excluded.

Q4 2016
Shares 9,850 Value ($000) $2,291 Avg Close $200.65 Range $182.75 - $218.77
Q3 2016
Shares 11,459 Value ($000) $2,624 Avg Close $186.23 Range $178.16 - $192.37
Q2 2016
Shares 11,459 Value ($000) $2,547 Avg Close $180.17 Range $167.24 - $191.50
Q1 2016
Shares 11,609 Value ($000) $2,297 Avg Close $161.05 Range $148.95 - $170.52
Q4 2015
Shares 16,138 Value ($000) $3,047 Avg Close $155.62 Range $137.87 - $164.41
Q3 2015
Shares 18,995 Value ($000) $3,152 Avg Close $141.60 Range $128.46 - $149.14
Q2 2015
Shares 40,920 Value ($000) $6,491 Avg Close $134.61 Range $127.92 - $140.47
Q1 2015
Shares 50,340 Value ($000) $8,103 Avg Close $133.81 Range $118.31 - $143.99
Q4 2014
Shares 50,340 Value ($000) $7,420 Avg Close $114.24 Range $98.32 - $128.02
Q3 2014
Shares 59,040 Value ($000) $7,779 Avg Close $104.60 Range $97.77 - $111.63
Q2 2014
Shares 61,150 Value ($000) $7,315 Avg Close $99.58 Range $95.46 - $103.59
Q1 2014
Shares 62,650 Value ($000) $7,730 Avg Close $97.12 Range $89.29 - $103.07
Q4 2013
Shares 65,070 Value ($000) $7,458 Avg Close $87.28 Range $75.26 - $95.04
Q2 2013
Shares 65,120 Value ($000) $5,392 Avg Close $62.64 Range $55.45 - $68.16