Timothy D. Yang

Insider

First SEC filing: Sept. 21, 2018 · Latest: Sept. 21, 2018

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

MGY buying Dec. 14, 2018

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 55 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

55 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 4, 2022	MGY	M	35,664	—	—	539,370 Direct	+7.08%	Acquired	(price as of 2026-08-20)
May 4, 2022	MGY	M	36,864	—	—	576,234 Direct	+6.83%	Acquired	(price as of 2026-08-20)
May 4, 2022	MGY	M	35,664	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
May 4, 2022	MGY	M	36,864	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2022	MGY	F	17,375	$22.54	$391,632	503,706 Direct	-3.33%	Disposed	25.1% (price as of 2026-08-20)
Feb. 25, 2022	MGY	F	9,750	$20.96	$204,360	521,081 Direct	-1.84%	Disposed	34.5% (price as of 2026-08-20)
Feb. 16, 2022	MGY	M	81,495	—	—	554,532 Direct	+17.23%	Acquired	(price as of 2026-08-20)
Feb. 16, 2022	MGY	F	24,901	$20.30	$505,490	529,631 Direct	-4.49%	Disposed	38.9% (price as of 2026-08-20)
Feb. 16, 2022	MGY	A	1,200	—	—	530,831 Direct	+0.23%	Acquired	(price as of 2026-08-20)
Feb. 16, 2022	MGY	M	81,495	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 16, 2022	MGY	A	35,664	—	—	35,664 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 16, 2022	MGY	A	36,864	—	—	36,864 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 20, 2021	MGY	F	19,675	$16.15	$317,751	473,037 Direct	-3.99%	Disposed	74.6% (price as of 2026-08-20)
Sept. 1, 2021	MGY	F	2,188	$15.55	$34,023	492,712 Direct	-0.44%	Disposed	81.3% (price as of 2026-08-20)
Aug. 2, 2021	MGY	F	2,188	$13.89	$30,391	494,900 Direct	-0.44%	Disposed	103.0% (price as of 2026-08-20)
July 1, 2021	MGY	F	2,188	$16.08	$35,183	497,088 Direct	-0.44%	Disposed	75.3% (price as of 2026-08-20)
June 1, 2021	MGY	F	2,188	$13.76	$30,107	499,276 Direct	-0.44%	Disposed	104.9% (price as of 2026-08-20)
May 4, 2021	MGY	M	78,124	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
May 4, 2021	MGY	M	76,924	—	—	0 Direct	—	Acquired	(price as of 2026-08-20)
May 4, 2021	MGY	M	78,124	—	—	501,464 Direct	+18.45%	Acquired	(price as of 2026-08-20)
May 4, 2021	MGY	M	76,924	—	—	423,340 Direct	+22.21%	Acquired	(price as of 2026-08-20)
May 3, 2021	MGY	F	2,186	$11.42	$24,964	346,416 Direct	-0.63%	Disposed	146.8% (price as of 2026-08-20)
April 1, 2021	MGY	F	1,636	$12.19	$19,943	348,602 Direct	-0.47%	Disposed	131.3% (price as of 2026-08-20)
March 1, 2021	MGY	F	5,764	$12.06	$69,514	350,238 Direct	-1.62%	Disposed	133.7% (price as of 2026-08-20)
Feb. 25, 2021	MGY	F	6,003	$12.19	$73,177	356,002 Direct	-1.66%	Disposed	131.3% (price as of 2026-08-20)
Feb. 18, 2021	MGY	A	1,200	—	—	362,005 Direct	+0.33%	Acquired	(price as of 2026-08-20)
Feb. 18, 2021	MGY	A	76,924	—	—	76,924 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 18, 2021	MGY	A	78,124	—	—	78,124 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 1, 2021	MGY	F	1,648	$8.84	$14,568	360,805 Direct	-0.45%	Disposed	218.9% (price as of 2026-08-20)
Jan. 4, 2021	MGY	F	1,648	$7.26	$11,964	362,453 Direct	-0.45%	Disposed	288.3% (price as of 2026-08-20)
Dec. 1, 2020	MGY	F	1,354	$6.23	$8,435	364,101 Direct	-0.37%	Disposed	352.5% (price as of 2026-08-20)
Nov. 2, 2020	MGY	F	1,354	$4.53	$6,134	365,455 Direct	-0.37%	Disposed	522.3% (price as of 2026-08-20)
Oct. 1, 2020	MGY	F	1,354	$5.09	$6,892	366,809 Direct	-0.37%	Disposed	453.8% (price as of 2026-08-20)
Sept. 1, 2020	MGY	F	1,354	$6.49	$8,787	368,163 Direct	-0.37%	Disposed	334.4% (price as of 2026-08-20)
Aug. 3, 2020	MGY	F	1,354	$5.91	$8,002	369,517 Direct	-0.37%	Disposed	377.0% (price as of 2026-08-20)
July 1, 2020	MGY	F	1,354	$6.32	$8,557	370,871 Direct	-0.36%	Disposed	346.0% (price as of 2026-08-20)
June 1, 2020	MGY	F	1,354	$5.55	$7,515	372,225 Direct	-0.36%	Disposed	407.9% (price as of 2026-08-20)
May 1, 2020	MGY	F	1,354	$5.82	$7,880	373,579 Direct	-0.36%	Disposed	384.4% (price as of 2026-08-20)
April 1, 2020	MGY	F	1,354	$3.61	$4,888	374,933 Direct	-0.36%	Disposed	680.9% (price as of 2026-08-20)
March 16, 2020	MGY	F	3,528	$4.02	$14,183	376,287 Direct	-0.93%	Disposed	601.2% (price as of 2026-08-20)
March 2, 2020	MGY	F	5,764	$7.60	$43,806	379,815 Direct	-1.49%	Disposed	270.9% (price as of 2026-08-20)
Feb. 25, 2020	MGY	A	74,332	—	—	74,332 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 25, 2020	MGY	A	74,332	—	—	385,579 Direct	+23.88%	Acquired	(price as of 2026-08-20)
Feb. 3, 2020	MGY	F	1,473	$10.30	$15,172	311,247 Direct	-0.47%	Disposed	173.7% (price as of 2026-08-20)
Jan. 2, 2020	MGY	F	1,648	$12.63	$20,814	312,720 Direct	-0.52%	Disposed	123.2% (price as of 2026-08-20)
Dec. 2, 2019	MGY	F	2,188	$11.19	$24,484	314,368 Direct	-0.69%	Disposed	151.9% (price as of 2026-08-20)
Nov. 1, 2019	MGY	F	2,186	$10.15	$22,188	316,556 Direct	-0.69%	Disposed	177.7% (price as of 2026-08-20)
Oct. 1, 2019	MGY	F	2,188	$10.66	$23,324	318,742 Direct	-0.68%	Disposed	164.4% (price as of 2026-08-20)
Sept. 20, 2019	MGY	F	17,888	$11.65	$208,395	320,930 Direct	-5.28%	Disposed	142.0% (price as of 2026-08-20)
Feb. 25, 2019	MGY	A	54,330	—	—	54,330 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 25, 2019	MGY	A	68,818	—	—	338,818 Direct	+25.49%	Acquired	(price as of 2026-08-20)
Dec. 14, 2018	MGY	P	20,000	$11.17	$223,400	120,000 Direct	+20.00%	Acquired	152.4% (price as of 2026-08-20)
Sept. 20, 2018	MGY	M	100,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 20, 2018	MGY	M	150,000	—	—	270,000 Direct	+125.00%	Acquired	(price as of 2026-08-20)
Sept. 20, 2018	MGY	A	100,000	—	—	100,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 20, 2018	MGY	A	100,000	—	—	100,000 Direct	—	Acquired	(price as of 2026-08-20)

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
May 4, 2022	MGY	Performance Restricted Stock Units	Class A Common Stock	—	—	35,664	Acquired
May 4, 2022	MGY	Performance Restricted Stock Units	Class A Common Stock	—	—	36,864	Acquired
Feb. 16, 2022	MGY	Performance Share Units	Class A Common Stock	—	—	81,495	Disposed
Feb. 16, 2022	MGY	Performance Restricted Stock Units	Class A Common Stock (35,664)	—	—	35,664	Acquired
Feb. 16, 2022	MGY	Performance Restricted Stock Units	Class A Common Stock (36,864)	—	—	36,864	Acquired
May 4, 2021	MGY	Performance Restricted Stock Units	Class A Common Stock	—	—	78,124	Acquired
May 4, 2021	MGY	Performance Restricted Stock Units	Class A Common Stock	—	—	76,924	Acquired
Feb. 18, 2021	MGY	Performance Restricted Stock Units	Class A Common Stock (76,924)	—	—	76,924	Acquired
Feb. 18, 2021	MGY	Performance Restricted Stock Units	Class A Common Stock (78,124)	—	—	78,124	Acquired
Feb. 25, 2020	MGY	Performance Share Units	Class A Common Stock (74,332)	—	—	74,332	Acquired
Feb. 25, 2019	MGY	Performance Share Units	Class A Common Stock (54,330)	—	—	54,330	Acquired
Sept. 20, 2018	MGY	Performance Share Units	Class A Common Stock	—	—	100,000	Disposed
Sept. 20, 2018	MGY	Performance Share Units (?PSUs?)	Class A Common Stock (100,000)	—	—	100,000	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Sept. 21, 2018	MGY	No securities beneficially owned	0	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

MGY

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2022	$481,238	$60,700	—	—	—	—	$24,400	$2,586,334
2021	$460,558	—	—	—	$568,900	—	$23,200	$2,511,088
2020	$445,310	—	—	—	$278,226	—	$22,800	$1,754,278

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.