Last updated: 10 July 2020 at 5:15pm EST

Stephen P Jr Zelnak Net Worth




The estimated Net Worth of Stephen P Jr Zelnak is at least $40.8 Million dollars as of 30 July 2018. Stephen Zelnak owns over 3,500 units of Martin Marietta Materials stock worth over $11,110,445 and over the last 21 years Stephen sold MLM stock worth over $29,734,092.

Stephen Zelnak MLM stock SEC Form 4 insiders trading

Stephen has made over 79 trades of the Martin Marietta Materials stock since 2003, according to the Form 4 filled with the SEC. Most recently Stephen sold 334,730 units of MLM stock worth $2,165,703 on 12 March 2020.

The largest trade Stephen's ever made was selling 334,730 units of Martin Marietta Materials stock on 12 March 2020 worth over $2,165,703. On average, Stephen trades about 10,553 units every 33 days since 2003. As of 30 July 2018 Stephen still owns at least 21,880 units of Martin Marietta Materials stock.

You can see the complete history of Stephen Zelnak stock trades at the bottom of the page.



Insiders trading at Martin Marietta Materials

Over the last 21 years, insiders at Martin Marietta Materials have traded over $122,743,818 worth of Martin Marietta Materials stock and bought 917,432 units worth $73,329,649 . The most active insiders traders include Donald W Slager, Stephen P Jr Zelnak, and Advisory Corpspo Advisory P.... On average, Martin Marietta Materials executives and independent directors trade stock every 28 days with the average trade being worth of $7,731,611. The most recent stock trade was executed by Roselyn R Bar on 14 March 2024, trading 10,000 units of MLM stock currently worth $6,032,900.



What does Martin Marietta Materials do?

martin marietta, an american company and a member of the s&p 500 index, is a leading supplier of aggregates and heavy building materials, with operations spanning 36 states, canada and the caribbean. martin marietta's magnesia specialties business provides a full range of magnesium oxide, magnesium hydroxide and dolomitic lime products.



What does Martin Marietta Materials's logo look like?

Martin Marietta Materials, Inc. logo

Complete history of Stephen Zelnak stock trades at Beazer Homes USA and Martin Marietta Materials

Date
#
Company
Insider
Trans.
Transaction
Shares Price per share Total value Shares after Source
12 Mar 2020 Stephen P Jr Zelnak
Director
Sale 334,730 $6.47 $2,165,703
12 Mar 2020
0
9 Feb 2018 Stephen P Jr Zelnak
Director
Buy 30,000 $15.65 $469,500
9 Feb 2018
334,364
30 Nov 2017 Stephen P Jr Zelnak
Director
Option 515 $21.16 $10,897
30 Nov 2017
304,364
26 Aug 2016 Stephen P Jr Zelnak
Director
Buy 13,649 $10.50 $143,315
26 Aug 2016
278,087
22 Aug 2016 Stephen P Jr Zelnak
Director
Buy 22,518 $10.08 $226,981
22 Aug 2016
264,438
8 Aug 2016 Stephen P Jr Zelnak
Director
Buy 50,000 $9.70 $485,000
8 Aug 2016
241,920
4 May 2016 Stephen P Jr Zelnak
Director
Buy 55,000 $7.25 $398,750
4 May 2016
191,920
4 May 2016 Stephen P Jr Zelnak
Director
Buy 55,000 $7.25 $398,750
4 May 2016
191,920
5 Feb 2016 Stephen P Jr Zelnak
Director
Buy 45,000 $6.89 $310,050
5 Feb 2016
136,920
5 Feb 2016 Stephen P Jr Zelnak
Director
Buy 45,000 $6.89 $310,050
5 Feb 2016
136,920
9 Feb 2015 Stephen P Jr Zelnak
Director
Buy 10,000 $16.54 $165,400
9 Feb 2015
71,261
5 Feb 2015 Stephen P Jr Zelnak
Director
Buy 10,000 $15.63 $156,300
5 Feb 2015
61,261
4 Aug 2014 Stephen P Jr Zelnak
Director
Buy 10,000 $16.66 $166,600
4 Aug 2014
46,017
11 Jun 2014 Stephen P Jr Zelnak
Director
Buy 17,000 $18.78 $319,260
11 Jun 2014
36,017
21 Nov 2011 Stephen P Jr Zelnak
Director
Buy 25,000 $2.01 $50,250
21 Nov 2011
62,288
15 Nov 2009 Stephen P Jr Zelnak
Director
Option 491 $27.45 $13,478
15 Nov 2009
11,888
25 Sep 2009 Stephen P Jr Zelnak
Director
Option 525 $27.45 $14,411
25 Sep 2009
11,397
25 Sep 2008 Stephen P Jr Zelnak
Director
Option 372 $30.70 $11,420
25 Sep 2008
6,372
30 Jul 2018 Stephen P Jr Zelnak
Director
Buy 3,500 $202.87 $710,045
30 Jul 2018
21,880
8 Jun 2016 Stephen P Jr Zelnak
Director
Sale 3,000 $188.90 $566,700
8 Jun 2016
16,689
1 Jun 2016 Stephen P Jr Zelnak
Director
Sale 17,000 $187.75 $3,191,750
1 Jun 2016
19,689
10 May 2016 Stephen P Jr Zelnak
Director
Option 12,500 $187.85 $2,348,125
10 May 2016
48,558
7 Mar 2016 Stephen P Jr Zelnak
Director
Option 10,000 $154.64 $1,546,400
7 Mar 2016
46,058
25 Nov 2015 Stephen P Jr Zelnak
Director
Sale 7,000 $161.44 $1,130,080
25 Nov 2015
35,848
23 Nov 2015 Stephen P Jr Zelnak
Director
Sale 32,572 $159.92 $5,208,914
23 Nov 2015
42,848
30 Jun 2015 Stephen P Jr Zelnak
Director
Sale 18,234 $224.24 $4,088,792
30 Jun 2015
4,955
29 May 2015 Stephen P Jr Zelnak
Director
Buy 15,000 $150.16 $2,252,400
29 May 2015
52,649
26 May 2015 Stephen P Jr Zelnak
Director
Buy 16,150 $151.07 $2,439,781
26 May 2015
37,649
17 Nov 2014 Stephen P Jr Zelnak
Director
Buy 5,700 $125.64 $716,148
17 Nov 2014
20,813
11 Jun 2014 Stephen P Jr Zelnak
Director
Buy 4,000 $129.41 $517,640
11 Jun 2014
15,088
10 Jun 2013 Stephen P Jr Zelnak
Director
Sale 5,620 $106.01 $595,776
10 Jun 2013
9,937
6 Jun 2013 Stephen P Jr Zelnak
Director
Sale 15,000 $105.74 $1,586,100
6 Jun 2013
15,557
4 Jun 2013 Stephen P Jr Zelnak
Director
Option 38,653 $106.98 $4,135,098
4 Jun 2013
48,590
30 May 2013 Stephen P Jr Zelnak
Director
Sale 5,600 $109.99 $615,944
30 May 2013
9,937
28 May 2013 Stephen P Jr Zelnak
Director
Sale 15,000 $109.48 $1,642,200
28 May 2013
15,537
22 May 2013 Stephen P Jr Zelnak
Director
Sale 15,000 $108.72 $1,630,800
22 May 2013
27,640
20 May 2013 Stephen P Jr Zelnak
Director
Option 30,259 $112.09 $3,391,731
20 May 2013
57,899
13 Dec 2012 Stephen P Jr Zelnak
Director
Sale 2,602 $92.63 $241,023
13 Dec 2012
27,615
3 Dec 2012 Stephen P Jr Zelnak
Director
Option 19,525 $90.45 $1,766,036
3 Dec 2012
50,993
15 Nov 2012 Stephen P Jr Zelnak
Director
Sale 17,859 $83.36 $1,488,726
15 Nov 2012
31,468
26 May 2011 Stephen P Jr Zelnak
Director
Sale 10,728 $82.64 $886,562
26 May 2011
59,423
22 Feb 2011 Stephen P Jr Zelnak
Director
Sale 2,980 $88.67 $264,237
22 Feb 2011
75,590
14 Dec 2010 Stephen P Jr Zelnak
Director
Sale 5,880 $93.08 $547,310
14 Dec 2010
78,561
3 Jun 2009 Stephen P Jr Zelnak
Director
Sale 45,766 $82.46 $3,773,864
3 Jun 2009
117,832
21 Aug 2007 Stephen P Jr Zelnak
Director
Option 51,429 $45.92 $2,361,620
21 Aug 2007
181,808
22 May 2007 Stephen P Jr Zelnak
Director
Option 9,762 $61.05 $595,970
22 May 2007
165,141
8 Mar 2007 Stephen P Jr Zelnak
Director
Option 40,000 $48.00 $1,920,000
8 Mar 2007
156,737
6 Mar 2007 Stephen P Jr Zelnak
Director
Option 47,000 $47.94 $2,253,180
6 Mar 2007
156,737
10 Nov 2006 Stephen P Jr Zelnak
Director
Option 45,000 $45.94 $2,067,300
10 Nov 2006
169,105
8 Nov 2006 Stephen P Jr Zelnak
Director
Option 45,000 $45.94 $2,067,300
8 Nov 2006
169,105
25 Aug 2006 Stephen P Jr Zelnak
Director
Option 43,333 $42.38 $1,836,453
25 Aug 2006
169,938
23 Aug 2006 Stephen P Jr Zelnak
Director
Option 40,000 $42.38 $1,695,200
23 Aug 2006
166,605
21 Aug 2006 Stephen P Jr Zelnak
Director
Option 41,667 $38.32 $1,596,679
21 Aug 2006
168,272
16 May 2006 Stephen P Jr Zelnak
Director
Option 24,000 $47.75 $1,146,000
16 May 2006
139,278
12 May 2006 Stephen P Jr Zelnak
Director
Option 24,000 $47.75 $1,146,000
12 May 2006
139,278
13 Mar 2006 Stephen P Jr Zelnak
Director
Option 25,000 $43.58 $1,089,500
13 Mar 2006
139,778
8 Mar 2006 Stephen P Jr Zelnak
Director
Option 30,000 $43.58 $1,307,400
8 Mar 2006
137,278
6 Mar 2006 Stephen P Jr Zelnak
Director
Option 20,000 $43.58 $871,600
6 Mar 2006
137,278
2 Mar 2006 Stephen P Jr Zelnak
Director
Option 20,000 $43.58 $871,600
2 Mar 2006
137,278
28 Feb 2006 Stephen P Jr Zelnak
Director
Option 20,000 $43.58 $871,600
28 Feb 2006
137,278
5 Dec 2005 Stephen P Jr Zelnak
Director
Option 8,333 $37.26 $310,488
5 Dec 2005
121,966
2 Dec 2005 Stephen P Jr Zelnak
Director
Option 10,000 $38.32 $383,200
2 Dec 2005
123,633
1 Dec 2005 Stephen P Jr Zelnak
Director
Option 10,000 $38.32 $383,200
1 Dec 2005
151,622
29 Nov 2005 Stephen P Jr Zelnak
Director
Option 10,000 $38.32 $383,200
29 Nov 2005
151,694
29 Nov 2005 Stephen P Jr Zelnak
Director
Option 10,000 $36.55 $365,500
29 Nov 2005
150,333
28 Nov 2005 Stephen P Jr Zelnak
Director
Option 10,000 $36.55 $365,500
28 Nov 2005
151,622
22 Nov 2005 Stephen P Jr Zelnak
Director
Option 20,000 $38.32 $766,400
22 Nov 2005
151,622
21 Nov 2005 Stephen P Jr Zelnak
Director
Option 10,000 $38.32 $383,200
21 Nov 2005
151,622
18 Nov 2005 Stephen P Jr Zelnak
Director
Sale 713 $74.91 $53,411
18 Nov 2005
141,622
18 Nov 2005 Stephen P Jr Zelnak
Director
Option 10,000 $38.32 $383,200
18 Nov 2005
150,909
17 Nov 2005 Stephen P Jr Zelnak
Director
Option 10,000 $38.32 $383,200
17 Nov 2005
151,622
16 Nov 2005 Stephen P Jr Zelnak
Director
Option 10,000 $36.55 $365,500
16 Nov 2005
151,622
15 Nov 2005 Stephen P Jr Zelnak
Director
Option 10,000 $36.55 $365,500
15 Nov 2005
151,622
14 Nov 2005 Stephen P Jr Zelnak
Director
Option 10,000 $36.55 $365,500
14 Nov 2005
151,622
14 Nov 2005 Stephen P Jr Zelnak
Director
Option 20,000 $36.55 $731,000
14 Nov 2005
151,622
3 Nov 2005 Stephen P Jr Zelnak
Director
Sale 733 $76.67 $56,199
3 Nov 2005
141,622
3 Nov 2005 Stephen P Jr Zelnak
Director
Option 50,000 $36.55 $1,827,500
3 Nov 2005
190,889
1 Sep 2005 Stephen P Jr Zelnak
Director
Option 54,000 $35.50 $1,917,000
1 Sep 2005
195,622
1 Dec 2003 Stephen P Jr Zelnak
Director
Option 9,655 $32.37 $312,532
1 Dec 2003
119,772


Martin Marietta Materials executives and stock owners

Martin Marietta Materials executives and other stock owners filed with the SEC include: