John David Parker

Insider

First SEC filing: May 18, 2021 · Latest: May 18, 2021

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

MMI selling May 17, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 90 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

90 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 10, 2026	MMI	M	2,808	—	—	44,270 Direct	+6.77%	Acquired	(price as of 2026-08-20)
Aug. 10, 2026	MMI	F	1,434	$30.67	$43,981	43,310 Direct	-3.20%	Disposed	5.1% (price as of 2026-08-20)
Aug. 10, 2026	MMI	M	2,808	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 10, 2026	MMI	A	19,218	—	—	19,218 Direct	—	Acquired	(price as of 2026-08-20)
July 31, 2025	MMI	A	11,232	—	—	11,232 Direct	—	Acquired	(price as of 2026-08-20)
May 10, 2025	MMI	M	2,000	—	—	2,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
May 10, 2025	MMI	F	1,021	$29.81	$30,436	27,658 Direct	-3.56%	Disposed	8.1% (price as of 2026-08-20)
May 10, 2025	MMI	M	2,000	—	—	28,679 Direct	+7.50%	Acquired	(price as of 2026-08-20)
March 10, 2025	MMI	M	3,490	—	—	13,968 Direct	-19.99%	Disposed	(price as of 2026-08-20)
March 10, 2025	MMI	M	4,130	—	—	12,396 Direct	-24.99%	Disposed	(price as of 2026-08-20)
March 10, 2025	MMI	M	11,756	—	—	23,520 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 10, 2025	MMI	M	2,648	—	—	2,654 Direct	-49.94%	Disposed	(price as of 2026-08-20)
March 10, 2025	MMI	M	2,212	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 10, 2025	MMI	F	1,260	$35.47	$44,692	26,679 Direct	-4.51%	Disposed	-9.2% (price as of 2026-08-20)
March 10, 2025	MMI	M	3,490	—	—	27,603 Direct	+14.47%	Acquired	(price as of 2026-08-20)
March 10, 2025	MMI	F	2,110	$35.47	$74,842	24,113 Direct	-8.05%	Disposed	-9.2% (price as of 2026-08-20)
March 10, 2025	MMI	M	4,130	—	—	26,223 Direct	+18.69%	Acquired	(price as of 2026-08-20)
March 10, 2025	MMI	F	6,002	$35.47	$212,891	22,093 Direct	-21.36%	Disposed	-9.2% (price as of 2026-08-20)
March 10, 2025	MMI	M	11,756	—	—	28,095 Direct	+71.95%	Acquired	(price as of 2026-08-20)
March 10, 2025	MMI	F	1,096	$35.47	$38,875	16,339 Direct	-6.29%	Disposed	-9.2% (price as of 2026-08-20)
March 10, 2025	MMI	M	2,648	—	—	17,435 Direct	+17.91%	Acquired	(price as of 2026-08-20)
March 10, 2025	MMI	F	798	$35.47	$28,305	14,787 Direct	-5.12%	Disposed	-9.2% (price as of 2026-08-20)
March 10, 2025	MMI	M	2,212	—	—	15,585 Direct	+16.54%	Acquired	(price as of 2026-08-20)
Feb. 6, 2025	MMI	A	8,679	—	—	8,679 Direct	—	Acquired	(price as of 2026-08-20)
May 17, 2024	MMI	S	1,835	$35.29	$64,757	13,373 Direct	-12.07%	Disposed	-8.7% (price as of 2026-08-20)
May 10, 2024	MMI	M	2,000	—	—	4,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
May 10, 2024	MMI	M	3,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 10, 2024	MMI	F	1,021	$33.68	$34,387	14,823 Direct	-6.44%	Disposed	-4.3% (price as of 2026-08-20)
May 10, 2024	MMI	M	2,000	—	—	15,844 Direct	+14.45%	Acquired	(price as of 2026-08-20)
May 10, 2024	MMI	F	1,532	$33.68	$51,598	13,844 Direct	-9.96%	Disposed	-4.3% (price as of 2026-08-20)
May 10, 2024	MMI	M	3,000	—	—	15,376 Direct	+24.24%	Acquired	(price as of 2026-08-20)
May 2, 2024	MMI	A	17,460	—	—	17,460 Direct	—	Acquired	(price as of 2026-08-20)
March 14, 2024	MMI	S	9,716	$32.83	$318,976	12,376 Direct	-43.98%	Disposed	-1.9% (price as of 2026-08-20)
March 10, 2024	MMI	M	4,130	—	—	16,527 Direct	-19.99%	Disposed	(price as of 2026-08-20)
March 10, 2024	MMI	M	11,756	—	—	28,976 Direct	-28.86%	Disposed	(price as of 2026-08-20)
March 10, 2024	MMI	M	2,648	—	—	5,302 Direct	-33.31%	Disposed	(price as of 2026-08-20)
March 10, 2024	MMI	M	2,204	—	—	2,212 Direct	-49.91%	Disposed	(price as of 2026-08-20)
March 10, 2024	MMI	M	1,780	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 10, 2024	MMI	F	2,110	$34.06	$71,867	22,092 Direct	-8.72%	Disposed	-5.4% (price as of 2026-08-20)
March 10, 2024	MMI	M	4,130	—	—	23,450 Direct	+21.38%	Acquired	(price as of 2026-08-20)
March 10, 2024	MMI	F	5,054	$34.06	$172,139	19,320 Direct	-20.74%	Disposed	-5.4% (price as of 2026-08-20)
March 10, 2024	MMI	M	11,756	—	—	24,374 Direct	+93.17%	Acquired	(price as of 2026-08-20)
March 10, 2024	MMI	F	955	$34.06	$32,527	12,618 Direct	-7.04%	Disposed	-5.4% (price as of 2026-08-20)
March 10, 2024	MMI	M	2,648	—	—	13,573 Direct	+24.24%	Acquired	(price as of 2026-08-20)
March 10, 2024	MMI	F	796	$34.06	$27,112	10,925 Direct	-6.79%	Disposed	-5.4% (price as of 2026-08-20)
March 10, 2024	MMI	M	2,204	—	—	11,721 Direct	+23.16%	Acquired	(price as of 2026-08-20)
March 10, 2024	MMI	F	642	$34.06	$21,867	9,517 Direct	-6.32%	Disposed	-5.4% (price as of 2026-08-20)
March 10, 2024	MMI	M	1,780	—	—	10,159 Direct	+21.24%	Acquired	(price as of 2026-08-20)
May 10, 2023	MMI	M	2,000	—	—	6,000 Direct	-25.00%	Disposed	(price as of 2026-08-20)
May 10, 2023	MMI	M	3,000	—	—	3,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
May 10, 2023	MMI	F	1,021	$28.08	$28,670	8,379 Direct	-10.86%	Disposed	14.7% (price as of 2026-08-20)
May 10, 2023	MMI	M	2,000	—	—	9,400 Direct	+27.03%	Acquired	(price as of 2026-08-20)
May 10, 2023	MMI	F	1,532	$28.08	$43,019	7,400 Direct	-17.15%	Disposed	14.7% (price as of 2026-08-20)
May 10, 2023	MMI	M	3,000	—	—	8,932 Direct	+50.57%	Acquired	(price as of 2026-08-20)
March 14, 2023	MMI	S	4,974	$30.96	$153,995	5,932 Direct	-45.61%	Disposed	4.1% (price as of 2026-08-20)
March 10, 2023	MMI	M	11,756	—	—	40,732 Direct	-22.40%	Disposed	(price as of 2026-08-20)
March 10, 2023	MMI	M	2,648	—	—	7,950 Direct	-24.99%	Disposed	(price as of 2026-08-20)
March 10, 2023	MMI	M	2,204	—	—	4,416 Direct	-33.29%	Disposed	(price as of 2026-08-20)
March 10, 2023	MMI	M	1,778	—	—	1,780 Direct	-49.97%	Disposed	(price as of 2026-08-20)
March 10, 2023	MMI	M	2,014	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 10, 2023	MMI	F	6,002	$32.15	$192,964	10,906 Direct	-35.50%	Disposed	0.2% (price as of 2026-08-20)
March 10, 2023	MMI	M	11,756	—	—	16,629 Direct	+241.25%	Acquired	(price as of 2026-08-20)
March 10, 2023	MMI	F	1,352	$32.15	$43,467	4,873 Direct	-21.72%	Disposed	0.2% (price as of 2026-08-20)
March 10, 2023	MMI	M	2,648	—	—	6,225 Direct	+74.03%	Acquired	(price as of 2026-08-20)
March 10, 2023	MMI	F	1,126	$32.15	$36,201	3,577 Direct	-23.94%	Disposed	0.2% (price as of 2026-08-20)
March 10, 2023	MMI	M	2,204	—	—	4,703 Direct	+88.20%	Acquired	(price as of 2026-08-20)
March 10, 2023	MMI	F	908	$32.15	$29,192	2,499 Direct	-26.65%	Disposed	0.2% (price as of 2026-08-20)
March 10, 2023	MMI	M	1,778	—	—	3,407 Direct	+109.15%	Acquired	(price as of 2026-08-20)
March 10, 2023	MMI	F	1,030	$32.15	$33,114	1,629 Direct	-38.74%	Disposed	0.2% (price as of 2026-08-20)
March 10, 2023	MMI	M	2,014	—	—	2,659 Direct	+312.25%	Acquired	(price as of 2026-08-20)
Feb. 9, 2023	MMI	A	20,657	—	—	20,657 Direct	—	Acquired	(price as of 2026-08-20)
May 23, 2022	MMI	S	2,447	$41.00	$100,327	645 Direct	-79.14%	Disposed	-21.4% (price as of 2026-08-20)
May 10, 2022	MMI	F	1,532	$41.13	$63,011	1,858 Direct	-45.19%	Disposed	-21.7% (price as of 2026-08-20)
May 10, 2022	MMI	M	3,000	—	—	3,390 Direct	+769.23%	Acquired	(price as of 2026-08-20)
May 10, 2022	MMI	M	2,000	—	—	8,000 Direct	-20.00%	Disposed	(price as of 2026-08-20)
May 10, 2022	MMI	M	3,000	—	—	6,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
May 10, 2022	MMI	F	1,021	$41.13	$41,994	2,837 Direct	-26.46%	Disposed	-21.7% (price as of 2026-08-20)
May 10, 2022	MMI	M	2,000	—	—	3,858 Direct	+107.64%	Acquired	(price as of 2026-08-20)
March 14, 2022	MMI	S	5,624	$45.52	$256,004	390 Direct	-93.52%	Disposed	-29.2% (price as of 2026-08-20)
March 10, 2022	MMI	M	2,008	—	—	3,796 Direct	+112.30%	Acquired	(price as of 2026-08-20)
March 10, 2022	MMI	F	1,026	$45.16	$46,334	2,770 Direct	-27.03%	Disposed	-28.7% (price as of 2026-08-20)
March 10, 2022	MMI	M	1,778	—	—	4,548 Direct	+64.19%	Acquired	(price as of 2026-08-20)
March 10, 2022	MMI	F	908	$45.16	$41,005	3,640 Direct	-19.96%	Disposed	-28.7% (price as of 2026-08-20)
March 10, 2022	MMI	M	2,204	—	—	5,844 Direct	+60.55%	Acquired	(price as of 2026-08-20)
March 10, 2022	MMI	F	1,126	$45.16	$50,850	4,718 Direct	-19.27%	Disposed	-28.7% (price as of 2026-08-20)
March 10, 2022	MMI	M	2,648	—	—	7,366 Direct	+56.13%	Acquired	(price as of 2026-08-20)
March 10, 2022	MMI	F	1,352	$45.16	$61,056	6,014 Direct	-18.35%	Disposed	-28.7% (price as of 2026-08-20)
March 10, 2022	MMI	M	2,648	—	—	10,598 Direct	-19.99%	Disposed	(price as of 2026-08-20)
March 10, 2022	MMI	M	2,204	—	—	6,620 Direct	-24.98%	Disposed	(price as of 2026-08-20)
March 10, 2022	MMI	M	1,778	—	—	3,558 Direct	-33.32%	Disposed	(price as of 2026-08-20)
March 10, 2022	MMI	M	2,008	—	—	2,014 Direct	-49.93%	Disposed	(price as of 2026-08-20)
Feb. 16, 2022	MMI	M	2,364	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 16, 2022	MMI	F	966	$48.12	$46,484	1,788 Direct	-35.08%	Disposed	-33.0% (price as of 2026-08-20)
Feb. 16, 2022	MMI	M	2,364	—	—	2,514 Direct	+1576.00%	Acquired	(price as of 2026-08-20)
Feb. 10, 2022	MMI	A	58,788	—	—	58,788 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 13, 2021	MMI	S	6,358	$39.82	$253,176	150 Direct	-97.70%	Disposed	-19.1% (price as of 2026-08-20)
Aug. 13, 2021	MMI	S	2,498	$40.00	$99,920	6,508 Direct	-27.74%	Disposed	-19.5% (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
Aug. 10, 2026	MMI	Restricted Stock Units	Common Stock (8,424)	—	—	2,808	Disposed
Feb. 10, 2026	MMI	Restricted Stock Units	Common Stock (19,218)	—	—	19,218	Acquired
July 31, 2025	MMI	Restricted Stock Units	Common Stock (11,232)	—	—	11,232	Acquired
May 10, 2025	MMI	Restricted Stock Units	Common Stock (2,000)	—	—	2,000	Disposed
March 10, 2025	MMI	Restricted Stock Units	Common Stock (3,490)	—	Feb. 8, 2034	3,490	Disposed
March 10, 2025	MMI	Restricted Stock Units	Common Stock (4,130)	—	Feb. 9, 2033	4,130	Disposed
March 10, 2025	MMI	Restricted Stock Units	Common Stock (11,756)	—	Feb. 10, 2032	11,756	Disposed
March 10, 2025	MMI	Restricted Stock Units	Common Stock (2,648)	—	Feb. 11, 2031	2,648	Disposed
March 10, 2025	MMI	Restricted Stock Units	Common Stock (2,212)	—	Feb. 11, 2030	2,212	Disposed
Feb. 6, 2025	MMI	Restricted Stock Units	Common Stock (8,679)	—	—	8,679	Acquired
May 10, 2024	MMI	Restricted Stock Units	Common Stock (2,000)	—	—	2,000	Disposed
May 10, 2024	MMI	Restricted Stock Units	Common Stock (3,000)	—	—	3,000	Disposed
May 2, 2024	MMI	Restricted Stock Units	Common Stock (17,460)	—	—	17,460	Acquired
March 10, 2024	MMI	Restricted Stock Units	Common Stock (4,130)	—	Feb. 9, 2033	4,130	Disposed
March 10, 2024	MMI	Restricted Stock Units	Common Stock (11,756)	—	Feb. 10, 2032	11,756	Disposed
March 10, 2024	MMI	Restricted Stock Units	Common Stock (2,648)	—	Feb. 11, 2031	2,648	Disposed
March 10, 2024	MMI	Restricted Stock Units	Common Stock (2,204)	—	Feb. 11, 2030	2,204	Disposed
March 10, 2024	MMI	Restricted Stock Units	Common Stock (1,780)	—	Feb. 13, 2029	1,780	Disposed
May 10, 2023	MMI	Restricted Stock Units	Common Stock (2,000)	—	—	2,000	Disposed
May 10, 2023	MMI	Restricted Stock Units	Common Stock (3,000)	—	—	3,000	Disposed
March 10, 2023	MMI	Restricted Stock Units	Common Stock (11,756)	—	Feb. 10, 2032	11,756	Disposed
March 10, 2023	MMI	Restricted Stock Units	Common Stock (2,648)	—	Feb. 11, 2031	2,648	Disposed
March 10, 2023	MMI	Restricted Stock Units	Common Stock (2,204)	—	Feb. 11, 2030	2,204	Disposed
March 10, 2023	MMI	Restricted Stock Units	Common Stock (1,778)	—	Feb. 13, 2029	1,778	Disposed
March 10, 2023	MMI	Restricted Stock Units	Common Stock (2,014)	—	Feb. 26, 2028	2,014	Disposed
Feb. 9, 2023	MMI	Restricted Stock Units	Common Stock (20,657)	—	—	20,657	Acquired
May 10, 2022	MMI	Restricted Stock Units	Common Stock (2,000)	—	—	2,000	Disposed
May 10, 2022	MMI	Restricted Stock Units	Common Stock (3,000)	—	—	3,000	Disposed
March 10, 2022	MMI	Restricted Stock Units	Common Stock (2,648)	—	Feb. 11, 2031	2,648	Disposed
March 10, 2022	MMI	Restricted Stock Units	Common Stock (2,204)	—	Feb. 11, 2030	2,204	Disposed
March 10, 2022	MMI	Restricted Stock Units	Common Stock (1,778)	—	Feb. 13, 2029	1,778	Disposed
March 10, 2022	MMI	Restricted Stock Units	Common Stock (2,008)	—	Feb. 26, 2028	2,008	Disposed
Feb. 16, 2022	MMI	Restricted Stock Units	Common Stock (2,364)	—	Feb. 16, 2027	2,364	Disposed
Feb. 10, 2022	MMI	Restricted Stock Units	Common Stock (58,788)	—	—	58,788	Acquired

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

Initial ownership (Form 3) 8 holdings

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

Date	Ticker	Security	Shares	Ownership
May 18, 2021	MMI	Common Stock	9,006	Direct
May 18, 2021	MMI	Restricted Stock Units→ Common Stock (2,364)	2,364	Direct
May 18, 2021	MMI	Restricted Stock Units→ Common Stock (4,022)	4,022	Direct
May 18, 2021	MMI	Restricted Stock Units→ Common Stock (5,336)	5,336	Direct
May 18, 2021	MMI	Restricted Stock Units→ Common Stock (9,000)	9,000	Direct
May 18, 2021	MMI	Restricted Stock Units→ Common Stock (8,824)	8,824	Direct
May 18, 2021	MMI	Restricted Stock Units→ Common Stock (13,246)	13,246	Direct
May 18, 2021	MMI	Restricted Stock Units→ Common Stock (10,000)	10,000	Direct