Ronald J. Tanski

Director, National Fuel Gas.

Companies

CMS EnergyBoard member Nov 12, 2019 to now¹
National Fuel GasBoard member Jun 19, 2015 to now²
CONSUMERS ENERGY COBoard member Nov 12, 2019 to Nov 12, 2019³
National Fuel GasChief executive officer Jun 18, 2014 to Dec 21, 2018⁴
National Fuel GasPresident Nov 29, 2010 to Dec 21, 2018⁵
National Fuel GasChief operating officer Aug 26, 2010 to Dec 23, 2013⁶
National Fuel GasController Jul 3, 2003 to Jul 2, 2010⁷

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

National Fuel Gas NFG361,669 shares⁸$28.4M at $78.44Oct 1, 2026
CMS Energy CMS20,903 shares⁹$1.4M at $67.57May 8, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

Oct 1, 2026Granted 577 shares at $75.89 of National Fuel Gas⁸
Jul 1, 2026Granted 564 shares at $77.63 of National Fuel Gas¹⁰
May 8, 2026Granted 2,411 shares of CMS Energy⁹
Apr 1, 2026Granted 469 shares at $93.29 of National Fuel Gas¹¹
Jan 2, 2026Granted 541 shares at $80.94 of National Fuel Gas¹²
Nov 10, 2025Gift 1,395 shares of National Fuel Gas¹³
Oct 1, 2025Granted 471 shares at $92.95 of National Fuel Gas¹⁴
Jul 1, 2025Granted 518 shares at $84.62 of National Fuel Gas¹⁵
May 2, 2025Granted 2,401 shares of CMS Energy¹⁶
Apr 1, 2025Granted 552 shares at $79.27 of National Fuel Gas¹⁷
Jan 2, 2025Granted 715 shares at $61.22 of National Fuel Gas¹⁸
Nov 26, 2024Gift 1,650 shares of National Fuel Gas¹⁹
Oct 1, 2024Granted 725 shares at $60.37 of National Fuel Gas²⁰
Jul 15, 2024Other 306 shares at $56.99 of National Fuel Gas²⁰
Jul 1, 2024Granted 806 shares at $54.30 of National Fuel Gas²¹
May 3, 2024Granted 2,843 shares of CMS Energy²²
Apr 15, 2024Other 311 shares at $53.48 of National Fuel Gas²¹
Apr 1, 2024Granted 820 shares at $53.37 of National Fuel Gas²³
Jan 2, 2024Granted 865 shares at $50.59 of National Fuel Gas²⁴
Dec 12, 2023Gift 400 shares of National Fuel Gas²⁵
Dec 12, 2023Gift 1,980 shares of National Fuel Gas²⁵
Oct 2, 2023Granted 857 shares at $51.06 of National Fuel Gas²⁶
Jul 3, 2023Granted 849 shares at $51.59 of National Fuel Gas²⁷
May 5, 2023Granted 2,582 shares of CMS Energy²⁸
Apr 3, 2023Granted 758 shares at $57.75 of National Fuel Gas²⁹

Trade performance

Date	Stock	Trade	Value	Return since	Vs S&P since	Vs S&P, 1 year
Apr 11, 2022	NFG	Sale	$3.0M	+11.8%	+63.6%	+11.1%
Mar 28, 2022	NFG	Sale	$2.9M	+13.1%	+56.2%	+4.9%
Mar 14, 2022	NFG	Sale	$2.8M	+21.0%	+64.1%	+8.0%
Feb 28, 2022	NFG	Sale	$2.6M	+25.9%	+50.8%	−1.3%
Feb 14, 2022	NFG	Sale	$2.6M	+28.6%	+47.2%	−2.0%
Jan 31, 2022	NFG	Sale	$2.6M	+29.1%	+42.5%	−5.3%

Returns are price-only (no dividends), measured from the trade date.

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARCMS Energy, Board member
2
SEC EDGARNational Fuel Gas, Board member
3
SEC EDGARCONSUMERS ENERGY CO, Board member
4
SEC EDGARNational Fuel Gas, Chief executive officer
5
SEC EDGARNational Fuel Gas, President
6
SEC EDGARNational Fuel Gas, Chief operating officer
7
SEC EDGARNational Fuel Gas, Controller
8
SEC EDGARNational Fuel Gas shares after the filing of Oct 1, 2026
9
SEC EDGARCMS Energy shares after the filing of May 8, 2026
10
SEC EDGARForm 4 filed Jul 2, 2026
11
SEC EDGARForm 4 filed Apr 2, 2026
12
SEC EDGARForm 4 filed Jan 6, 2026
13
SEC EDGARForm 4 filed Nov 12, 2025
14
SEC EDGARForm 4 filed Oct 2, 2025
15
SEC EDGARForm 4 filed Jul 3, 2025
16
SEC EDGARForm 4 filed May 6, 2025
17
SEC EDGARForm 4 filed Apr 3, 2025
18
SEC EDGARForm 4 filed Jan 3, 2025
19
SEC EDGARForm 4 filed Nov 27, 2024
20
SEC EDGARForm 4 filed Oct 2, 2024
21
SEC EDGARForm 4 filed Jul 3, 2024
22
SEC EDGARForm 4 filed May 6, 2024
23
SEC EDGARForm 4 filed Apr 3, 2024
24
SEC EDGARForm 4 filed Jan 4, 2024
25
SEC EDGARForm 4 filed Dec 14, 2023
26
SEC EDGARForm 4 filed Oct 3, 2023
27
SEC EDGARForm 4 filed Jul 5, 2023
28
SEC EDGARForm 4 filed May 8, 2023
29
SEC EDGARForm 4 filed Apr 4, 2023