Insider Trading activities of National Interstate Corp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of National Interstate Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of National Interstate Corp since year 2005. Table 2 shows the detailed insider transactions of National Interstate Corp since 2005. The reporting company's ticker symbol is NATL. The reporting company's CIK number is 1301106.
The total value of stock buying since 2005 is $181,902.
The total value of stock sales since 2005 is $30,489,164.
The total value of stock option exercises since 2005 is $5,884,161.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for National Interstate Corp (NATL).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2015-12 0 $0 5,940 $157,113 5,940 $121,235
2015-11 0 $0 1,613 $44,309 1,613 $32,921
2015-08 0 $0 39,800 $1,100,685 39,800 $868,037
2015-01 0 $0 0 $0 19,500 $263,250
2014-12 0 $0 15,947 $469,223 12,447 $254,043
2014-09 0 $0 12,000 $332,760 0 $0
2014-03 0 $0 3,600 $108,072 0 $0
2013-12 0 $0 14,000 $340,230 0 $0
2013-06 0 $0 3,500 $108,290 0 $0
2013-04 0 $0 0 $0 21,088 $351,009
2013-03 0 $0 36,146 $1,157,061 0 $0
2012-12 0 $0 30,000 $829,800 0 $0
2012-11 0 $0 7,900 $214,090 95,500 $1,540,850
2012-09 0 $0 30,000 $781,690 4,010 $79,357
2012-08 0 $0 29,437 $712,067 25,937 $513,291
2012-05 1,000 $25,543 0 $0 0 $0
2011-11 0 $0 0 $0 21,965 $296,527
2011-09 0 $0 10,000 $220,200 0 $0
2011-03 0 $0 2,200 $46,024 0 $0
2010-12 0 $0 2,500 $52,474 0 $0
2010-11 1,000 $20,907 0 $0 0 $0
2010-08 0 $0 2,500 $47,695 0 $0
2010-06 0 $0 17,750 $368,330 0 $0
2010-05 0 $0 9,575 $199,975 0 $0
2010-02 0 $0 0 $0 32,000 $432,000
2009-02 0 $0 13,500 $210,525 0 $0
2008-08 600 $11,070 0 $0 0 $0
2008-04 0 $0 0 $0 200 $4,362
2008-03 4,400 $110,545 0 $0 0 $0
2008-01 0 $0 0 $0 48,000 $648,000
2007-12 0 $0 900 $31,365 0 $0
2007-11 0 $0 10,000 $323,980 0 $0
2007-09 0 $0 613,125 $18,393,350 7,000 $105,209
2007-08 0 $0 14,875 $456,198 0 $0
2007-06 0 $0 3,900 $105,300 0 $0
2007-05 0 $0 0 $0 7,000 $94,500
2007-04 0 $0 1,800 $48,605 0 $0
2007-03 0 $0 12,900 $348,894 0 $0
2007-01 0 $0 0 $0 1,000 $15,030
2006-09 0 $0 15,969 $445,632 10,000 $135,000
2006-06 0 $0 52,000 $1,419,154 0 $0
2006-05 0 $0 3,000 $70,499 0 $0
2006-04 0 $0 0 $0 16,000 $15,040
2006-01 0 $0 0 $0 23,000 $114,500
2005-12 675 $13,837 25,000 $498,371 0 $0
2005-11 0 $0 8,000 $138,400 0 $0
2005-10 0 $0 16,000 $276,000 0 $0
2005-09 0 $0 25,000 $432,803 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of National Interstate Corp insiders (NATL)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2015-12-08 Mercurio Anthony J (President & COO) Sale 5,940 26.45 157,113
2015-12-08 Mercurio Anthony J (President & COO) Option Ex 5,940 20.41 121,235
2015-11-11 Mercurio Anthony J (Executive VP & COO) Sale 1,613 27.47 44,309
2015-11-11 Mercurio Anthony J (Executive VP & COO) Option Ex 1,613 20.41 32,921
2015-08-24 Mcgraw Julie A (VP & Chief Financial Officer) Sale 9,520 26.90 256,088
2015-08-24 Mcgraw Julie A (VP & Chief Financial Officer) Option Ex 9,520 21.81 207,631
2015-08-21 Mcgraw Julie A (VP & Chief Financial Officer) Sale 29,880 27.89 833,353
2015-08-21 Mcgraw Julie A (VP & Chief Financial Officer) Option Ex 29,880 21.81 651,682
2015-08-20 Mcgraw Julie A (VP & Chief Financial Officer) Sale 400 28.11 11,244
2015-08-20 Mcgraw Julie A (VP & Chief Financial Officer) Option Ex 400 21.81 8,724
2015-01-19 Monda Gary N (VP & Chief Investment Officer) Option Ex 19,500 13.50 263,250
2014-12-19 Mercurio Anthony J (Executive VP & COO) Sale 3,500 29.13 101,955
2014-12-19 Mercurio Anthony J (Executive VP & COO) Option Ex 3,500 20.41 71,435
2014-12-18 Mercurio Anthony J (Executive VP & COO) Sale 8,947 29.41 263,131
2014-12-18 Mercurio Anthony J (Executive VP & COO) Option Ex 8,947 20.41 182,608
2014-12-17 Monda Gary N (VP & Chief Investment Officer) Sale 1,329 29.58 39,311
2014-12-16 Monda Gary N (VP & Chief Investment Officer) Sale 2,171 29.86 64,826
2014-09-26 Monda Gary N (VP & Chief Investment Officer) Sale 12,000 27.73 332,760
2014-03-13 Schiavone Joel (Director) Sale 3,600 30.02 108,072
2013-12-31 Schiavone Joel (Director) Sale 2,000 23.44 46,880
2013-12-30 Schiavone Joel (Director) Sale 2,000 23.76 47,520
2013-12-23 Schiavone Joel (Director) Sale 4,000 24.71 98,836
2013-12-20 Schiavone Joel (Director) Sale 6,000 24.50 146,994
2013-06-07 Schiavone Joel (Director) Sale 3,500 30.94 108,290
2013-04-19 Phillips Terry E (Senior VP) Option Ex 21,088 16.64 351,009
2013-03-27 Phillips Terry E (Senior VP) Sale 1,983 29.18 57,863
2013-03-26 Phillips Terry E (Senior VP) Sale 1,817 29.84 54,219
2013-03-25 Phillips Terry E (Senior VP) Sale 4,010 29.94 120,059
2013-03-22 Phillips Terry E (Senior VP) Sale 4,507 30.45 137,238
2013-03-21 Phillips Terry E (Senior VP) Sale 753 32.55 24,510
2013-03-20 Phillips Terry E (Senior VP) Sale 3,662 32.45 118,831
2013-03-19 Phillips Terry E (Senior VP) Sale 1,468 32.55 47,783
2013-03-18 Phillips Terry E (Senior VP) Sale 2,800 33.43 93,604
2013-03-18 Elliott Theodore H Jr (Director) Sale 5,146 33.51 172,442
2013-03-14 Elliott Theodore H Jr (Director) Sale 3,468 32.97 114,339
2013-03-12 Elliott Theodore H Jr (Director) Sale 2,567 32.65 83,812
2013-03-11 Elliott Theodore H Jr (Director) Sale 3,703 33.31 123,346
2013-03-08 Elliott Theodore H Jr (Director) Sale 262 34.41 9,015
2012-12-19 Michelson David W (President and CEO) Sale 30,000 27.66 829,800
2012-11-20 Monda Gary N (VP & Chief Investment Officer) Sale 7,900 27.10 214,090
2012-11-20 Monda Gary N (VP & Chief Investment Officer) Option Ex 15,500 13.50 209,250
2012-11-20 Michelson David W (President and CEO) Option Ex 80,000 16.64 1,331,600
2012-09-13 Phillips Terry E (Senior VP) Sale 6,865 26.08 179,018
2012-09-12 Phillips Terry E (Senior VP) Sale 6,903 26.04 179,754
2012-09-11 Phillips Terry E (Senior VP) Sale 5,703 26.03 148,449
2012-09-10 Phillips Terry E (Senior VP) Sale 2,144 26.01 55,765
2012-09-07 Phillips Terry E (Senior VP) Sale 3,938 26.12 102,860
2012-09-06 Phillips Terry E (Senior VP) Sale 4,447 26.05 115,844
2012-09-04 Phillips Terry E (Senior VP) Option Ex 4,010 19.79 79,357
2012-08-28 Phillips Terry E (Senior VP) Sale 1,200 25.01 30,012
2012-08-28 Phillips Terry E (Senior VP) Option Ex 1,200 19.79 23,748
2012-08-21 Phillips Terry E (Senior VP) Sale 3,628 24.16 87,652
2012-08-21 Phillips Terry E (Senior VP) Option Ex 3,628 19.79 71,798
2012-08-14 Phillips Terry E (Senior VP) Sale 1,301 23.62 30,729
2012-08-14 Phillips Terry E (Senior VP) Option Ex 1,301 19.79 25,746
2012-08-13 Phillips Terry E (Senior VP) Sale 2,509 23.66 59,362
2012-08-13 Phillips Terry E (Senior VP) Option Ex 2,509 19.79 49,653
2012-08-10 Phillips Terry E (Senior VP) Sale 1 24.00 24
2012-08-10 Phillips Terry E (Senior VP) Option Ex 1 19.79 19
2012-08-09 Phillips Terry E (Senior VP) Sale 2,298 24.01 55,174
2012-08-09 Phillips Terry E (Senior VP) Option Ex 2,298 19.79 45,477
2012-08-08 Phillips Terry E (Senior VP) Sale 5,000 24.01 120,050
2012-08-08 Phillips Terry E (Senior VP) Option Ex 5,000 19.79 98,950
2012-08-07 Phillips Terry E (Senior VP) Sale 5,000 24.24 121,199
2012-08-07 Phillips Terry E (Senior VP) Option Ex 5,000 19.79 98,950
2012-08-06 Phillips Terry E (Senior VP) Sale 5,000 24.29 121,450
2012-08-06 Phillips Terry E (Senior VP) Option Ex 5,000 19.79 98,950
2012-08-03 Schiavone Joel (Director) Sale 2,000 24.84 49,680
2012-08-02 Schiavone Joel (Director) Sale 1,500 24.49 36,735
2012-05-18 Jensen Keith A (Director) Buy 1,000 25.54 25,543
2011-11-08 Phillips Terry E (Senior VP) Option Ex 21,965 13.50 296,527
2011-09-28 Monda Gary N (VP & Chief Investment Officer) Sale 10,000 22.02 220,200
2011-03-09 Schiavone Joel (Director) Sale 2,200 20.92 46,024
2010-12-03 Schiavone Joel (Director) Sale 2,500 20.99 52,474
2010-11-09 Peraino Vito C (Director) Buy 1,000 20.91 20,907
2010-08-26 Schiavone Joel (Director) Sale 1,250 18.63 23,287
2010-08-12 Schiavone Joel (Director) Sale 650 19.20 12,483
2010-08-11 Schiavone Joel (Director) Sale 600 19.88 11,925
2010-06-25 Monda Gary N (VP & Chief Investment Officer) Sale 10,000 20.95 209,490
2010-06-21 Phillips Terry E (Senior VP) Sale 7,000 20.48 143,360
2010-06-18 Schiavone Joel (Director) Sale 750 20.64 15,480
2010-05-18 Phillips Terry E (Senior VP) Sale 7,000 21.38 149,660
2010-05-07 Schiavone Joel (Director) Sale 2,575 19.54 50,315
2010-02-04 Spachman Alan R (Director) Option Ex 32,000 13.50 432,000
2009-02-25 Schiavone Joel (Director) Sale 3,500 15.60 54,593
2009-02-24 Schiavone Joel (Director) Sale 9,141 15.58 142,371
2009-02-23 Schiavone Joel (Director) Sale 859 15.79 13,561
2008-08-22 Davis Donald B. Jr (VP, Sec'y and General Counsel) Buy 600 18.45 11,070
2008-04-15 Mcgraw Julie A (VP & Chief Financial Officer) Option Ex 200 21.81 4,362
2008-03-05 Monda Gary N (VP & Chief Investment Officer) Buy 4,400 25.12 110,545
2008-01-22 Spachman Alan R (Chairman) Option Ex 48,000 13.50 648,000
2007-12-04 Larson Donald D (Director) Sale 900 34.85 31,365
2007-11-16 Elliott Theodore H Jr (Director) Sale 10,000 32.40 323,980
2007-09-28 Monda Gary N (VP & Chief Investment Officer) Sale 6,125 30.65 187,755
2007-09-17 Haffner Paul (VP, Sec'y and General Counsel) Sale 5,320 29.02 154,359
2007-09-17 Haffner Paul (VP, Sec'y and General Counsel) Option Ex 5,320 15.03 79,959
2007-09-12 Spachman Alan R (Chairman and CEO) Sale 600,000 30.00 18,000,000
2007-09-07 Haffner Paul (VP, Sec'y and General Counsel) Sale 1,680 30.50 51,236
2007-09-07 Haffner Paul (VP, Sec'y and General Counsel) Option Ex 1,680 15.03 25,250
2007-08-24 Monda Gary N (VP & Chief Investment Officer) Sale 4,298 31.88 137,007
2007-08-23 Monda Gary N (VP & Chief Investment Officer) Sale 3,100 32.08 99,432
2007-08-22 Monda Gary N (VP & Chief Investment Officer) Sale 1,000 32.20 32,200
2007-08-21 Monda Gary N (VP & Chief Investment Officer) Sale 1,477 32.20 47,559
2007-08-03 Phillips Terry E (Senior VP) Sale 5,000 28.00 140,000
2007-06-29 Phillips Terry E (Senior VP) Sale 3,900 27.00 105,300
2007-05-21 Phillips Terry E (Senior VP) Option Ex 7,000 13.50 94,500
2007-04-16 Phillips Terry E (Senior VP) Sale 1,800 27.00 48,605
2007-03-26 Phillips Terry E (Senior VP) Sale 600 27.08 16,244
2007-03-23 Phillips Terry E (Senior VP) Sale 8,000 27.04 216,352
2007-01-30 Haffner Paul (VP, Sec'y & General Counsel) Option Ex 1,000 15.03 15,030
2006-09-26 Michelson David W (Executive VP and COO) Sale 701 27.00 18,927
2006-09-21 Michelson David W (Executive VP and COO) Option Ex 10,000 13.50 135,000
2006-09-07 Michelson David W (Executive VP and COO) Sale 1,604 27.50 44,110
2006-09-06 Michelson David W (Executive VP and COO) Sale 3,396 27.85 94,578
2006-09-05 Michelson David W (Executive VP and COO) Sale 10,268 28.05 288,017
2006-06-29 Elliott Theodore H Jr (Director) Sale 20,574 27.34 562,390
2006-06-28 Schiavone Joel (Director) Sale 5,000 27.27 136,365
2006-06-28 Elliott Theodore H Jr (Director) Sale 26,426 27.26 720,399
2006-05-26 Elliott Theodore H Jr (Director) Sale 634 23.50 14,899
2006-05-25 Elliott Theodore H Jr (Director) Sale 99 23.50 2,326
2006-05-23 Elliott Theodore H Jr (Director) Sale 2,267 23.50 53,274
2006-04-28 Monda Gary N (VP & Chief Investment Officer) Option Ex 16,000 .94 15,040
2006-01-27 Raudins Eric J (VP, Personal Lines) Option Ex 7,000 13.50 94,500
2006-01-11 Raudins Eric J (VP, Personal Lines) Option Ex 16,000 1.25 20,000
2005-12-14 Monda Gary N (Chief Financial Officer) Sale 15,000 20.55 308,205
2005-12-13 Schiavone Joel (Director) Buy 675 20.50 13,837
2005-12-05 Phillips Terry E (Senior VP, Claims) Sale 874 19.00 16,608
2005-12-02 Phillips Terry E (Senior VP, Claims) Sale 9,126 19.02 173,558
2005-11-09 Raudins Eric J (VP, Personal Lines) Sale 8,000 17.30 138,400
2005-10-24 Raudins Eric J (VP, Personal Lines) Sale 16,000 17.25 276,000
2005-09-20 Raudins Eric J (VP, Personal Lines) Sale 5,000 17.50 87,500
2005-09-15 Raudins Eric J (VP, Personal Lines) Sale 15,000 17.50 262,500
2005-09-12 Schiavone Joel (Director) Sale 3,000 16.92 50,754
2005-09-01 Schiavone Joel (Director) Sale 2,000 16.02 32,049

Insider trading activities including stock purchases, stock sales, and option exercises of NATL listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of National Interstate Corp (symbol NATL, CIK number 1301106) see the Securities and Exchange Commission (SEC) website.