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.



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

Insider
Trans.
Transaction
Total value
Stephen P Jr Zelnak
Director
Sale $2,165,703
12 Mar 2020
Stephen P Jr Zelnak
Director
Buy $469,500
9 Feb 2018
Stephen P Jr Zelnak
Director
Option $10,897
30 Nov 2017
Stephen P Jr Zelnak
Director
Buy $143,315
26 Aug 2016
Stephen P Jr Zelnak
Director
Buy $226,981
22 Aug 2016
Stephen P Jr Zelnak
Director
Buy $485,000
8 Aug 2016
Stephen P Jr Zelnak
Director
Buy $398,750
4 May 2016
Stephen P Jr Zelnak
Director
Buy $398,750
4 May 2016
Stephen P Jr Zelnak
Director
Buy $310,050
5 Feb 2016
Stephen P Jr Zelnak
Director
Buy $310,050
5 Feb 2016
Stephen P Jr Zelnak
Director
Buy $165,400
9 Feb 2015
Stephen P Jr Zelnak
Director
Buy $156,300
5 Feb 2015
Stephen P Jr Zelnak
Director
Buy $166,600
4 Aug 2014
Stephen P Jr Zelnak
Director
Buy $319,260
11 Jun 2014
Stephen P Jr Zelnak
Director
Buy $50,250
21 Nov 2011
Stephen P Jr Zelnak
Director
Option $13,478
15 Nov 2009
Stephen P Jr Zelnak
Director
Option $14,411
25 Sep 2009
Stephen P Jr Zelnak
Director
Option $11,420
25 Sep 2008
Stephen P Jr Zelnak
Director
Buy $710,045
30 Jul 2018
Stephen P Jr Zelnak
Director
Sale $566,700
8 Jun 2016
Stephen P Jr Zelnak
Director
Sale $3,191,750
1 Jun 2016
Stephen P Jr Zelnak
Director
Option $2,348,125
10 May 2016
Stephen P Jr Zelnak
Director
Option $1,546,400
7 Mar 2016
Stephen P Jr Zelnak
Director
Sale $1,130,080
25 Nov 2015
Stephen P Jr Zelnak
Director
Sale $5,208,914
23 Nov 2015
Stephen P Jr Zelnak
Director
Sale $4,088,792
30 Jun 2015
Stephen P Jr Zelnak
Director
Buy $2,252,400
29 May 2015
Stephen P Jr Zelnak
Director
Buy $2,439,781
26 May 2015
Stephen P Jr Zelnak
Director
Buy $716,148
17 Nov 2014
Stephen P Jr Zelnak
Director
Buy $517,640
11 Jun 2014
Stephen P Jr Zelnak
Director
Sale $595,776
10 Jun 2013
Stephen P Jr Zelnak
Director
Sale $1,586,100
6 Jun 2013
Stephen P Jr Zelnak
Director
Option $4,135,098
4 Jun 2013
Stephen P Jr Zelnak
Director
Sale $615,944
30 May 2013
Stephen P Jr Zelnak
Director
Sale $1,642,200
28 May 2013
Stephen P Jr Zelnak
Director
Sale $1,630,800
22 May 2013
Stephen P Jr Zelnak
Director
Option $3,391,731
20 May 2013
Stephen P Jr Zelnak
Director
Sale $241,023
13 Dec 2012
Stephen P Jr Zelnak
Director
Option $1,766,036
3 Dec 2012
Stephen P Jr Zelnak
Director
Sale $1,488,726
15 Nov 2012
Stephen P Jr Zelnak
Director
Sale $886,562
26 May 2011
Stephen P Jr Zelnak
Director
Sale $264,237
22 Feb 2011
Stephen P Jr Zelnak
Director
Sale $547,310
14 Dec 2010
Stephen P Jr Zelnak
Director
Sale $3,773,864
3 Jun 2009
Stephen P Jr Zelnak
Director
Option $2,361,620
21 Aug 2007
Stephen P Jr Zelnak
Director
Option $595,970
22 May 2007
Stephen P Jr Zelnak
Director
Option $1,920,000
8 Mar 2007
Stephen P Jr Zelnak
Director
Option $2,253,180
6 Mar 2007
Stephen P Jr Zelnak
Director
Option $2,067,300
10 Nov 2006
Stephen P Jr Zelnak
Director
Option $2,067,300
8 Nov 2006
Stephen P Jr Zelnak
Director
Option $1,836,453
25 Aug 2006
Stephen P Jr Zelnak
Director
Option $1,695,200
23 Aug 2006
Stephen P Jr Zelnak
Director
Option $1,596,679
21 Aug 2006
Stephen P Jr Zelnak
Director
Option $1,146,000
16 May 2006
Stephen P Jr Zelnak
Director
Option $1,146,000
12 May 2006
Stephen P Jr Zelnak
Director
Option $1,089,500
13 Mar 2006
Stephen P Jr Zelnak
Director
Option $1,307,400
8 Mar 2006
Stephen P Jr Zelnak
Director
Option $871,600
6 Mar 2006
Stephen P Jr Zelnak
Director
Option $871,600
2 Mar 2006
Stephen P Jr Zelnak
Director
Option $871,600
28 Feb 2006
Stephen P Jr Zelnak
Director
Option $310,488
5 Dec 2005
Stephen P Jr Zelnak
Director
Option $383,200
2 Dec 2005
Stephen P Jr Zelnak
Director
Option $383,200
1 Dec 2005
Stephen P Jr Zelnak
Director
Option $383,200
29 Nov 2005
Stephen P Jr Zelnak
Director
Option $365,500
29 Nov 2005
Stephen P Jr Zelnak
Director
Option $365,500
28 Nov 2005
Stephen P Jr Zelnak
Director
Option $766,400
22 Nov 2005
Stephen P Jr Zelnak
Director
Option $383,200
21 Nov 2005
Stephen P Jr Zelnak
Director
Sale $53,411
18 Nov 2005
Stephen P Jr Zelnak
Director
Option $383,200
18 Nov 2005
Stephen P Jr Zelnak
Director
Option $383,200
17 Nov 2005
Stephen P Jr Zelnak
Director
Option $365,500
16 Nov 2005
Stephen P Jr Zelnak
Director
Option $365,500
15 Nov 2005
Stephen P Jr Zelnak
Director
Option $365,500
14 Nov 2005
Stephen P Jr Zelnak
Director
Option $731,000
14 Nov 2005
Stephen P Jr Zelnak
Director
Sale $56,199
3 Nov 2005
Stephen P Jr Zelnak
Director
Option $1,827,500
3 Nov 2005
Stephen P Jr Zelnak
Director
Option $1,917,000
1 Sep 2005
Stephen P Jr Zelnak
Director
Option $312,532
1 Dec 2003


Martin Marietta Materials executives and stock owners

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