Jason L. Mumford

Insider

First SEC filing: Dec. 1, 2017 · Latest: Dec. 1, 2017

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 19 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 1, 2020	CNX	F	169	$7.23	$1,222	14,609 Direct	-1.14%	Disposed	403.7% (price as of 2026-08-21)
Jan. 31, 2020	CNX	F	541	$7.23	$3,911	14,778 Direct	-3.53%	Disposed	403.7% (price as of 2026-08-21)
Jan. 30, 2020	CNX	F	220	$7.01	$1,542	15,319 Direct	-1.42%	Disposed	419.5% (price as of 2026-08-21)
Jan. 30, 2020	CNX	A	797	—	—	15,539 Direct	+5.41%	Acquired	(price as of 2026-08-21)
Jan. 30, 2020	CNX	F	172	$7.01	$1,206	14,742 Direct	-1.15%	Disposed	419.5% (price as of 2026-08-21)
Jan. 2, 2020	CNX	A	1,998	—	—	1,998 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 2, 2020	CNX	A	4,181	—	—	14,914 Direct	+38.95%	Acquired	(price as of 2026-08-21)
Nov. 8, 2019	CNX	F	143	$9.37	$1,340	10,733 Direct	-1.31%	Disposed	288.7% (price as of 2026-08-21)
Feb. 1, 2019	CNX	F	169	$11.15	$1,884	10,876 Direct	-1.53%	Disposed	226.6% (price as of 2026-08-21)
Jan. 31, 2019	CNX	A	3,262	—	—	11,045 Direct	+41.91%	Acquired	(price as of 2026-08-21)
Jan. 31, 2019	CNX	F	240	$12.14	$2,914	7,783 Direct	-2.99%	Disposed	200.0% (price as of 2026-08-21)
Jan. 30, 2019	CNX	F	172	$13.53	$2,327	8,023 Direct	-2.10%	Disposed	169.2% (price as of 2026-08-21)
Jan. 30, 2019	CNX	F	42	$13.53	$568	8,195 Direct	-0.51%	Disposed	169.2% (price as of 2026-08-21)
Jan. 30, 2019	CNX	A	152	—	—	8,237 Direct	+1.88%	Acquired	(price as of 2026-08-21)
Nov. 8, 2018	CNX	F	143	$15.40	$2,202	8,085 Direct	-1.74%	Disposed	136.5% (price as of 2026-08-21)
Feb. 1, 2018	CNX	A	1,837	—	—	8,228 Direct	+28.74%	Acquired	(price as of 2026-08-21)
Jan. 30, 2018	CNX	F	295	$14.01	$4,133	6,391 Direct	-4.41%	Disposed	160.0% (price as of 2026-08-21)
Jan. 30, 2018	CNX	F	158	$13.68	$2,161	6,686 Direct	-2.31%	Disposed	166.2% (price as of 2026-08-21)
Jan. 30, 2018	CNX	A	1,875	—	—	6,844 Direct	+37.73%	Acquired	(price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Jan. 2, 2020	CNX	Stock Option (right to buy)	Common shares, $0.01 par value per share (1,998)	—	Jan. 2, 2030	1,998	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 5 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Dec. 1, 2017	CNX	Common shares, $0.01 par value per share	4,352	Direct
Dec. 1, 2017	CNX	Common shares, $0.01 par value per share	2,742	Indirect
Dec. 1, 2017	CNX	Stock Option (right to buy)→ Common shares, $0.01 par value per share (8,929)	8,929	Direct
Dec. 1, 2017	CNX	Stock Option (right to buy)→ Common shares, $0.01 par value per share (284)	284	Direct
Dec. 1, 2017	CNX	Stock Option (right to buy)→ Common shares, $0.01 par value per share (203)	203	Direct