Elliot Dean Hoops

Insider

First SEC filing: May 19, 2021 · Latest: Feb. 11, 2022

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

Insider at

MP buying March 11, 2022

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 20 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

20 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 26, 2024	MP	G	6,476	—	—	31,225 Indirect	+26.17%	Acquired	(price as of 2026-08-20)
Feb. 26, 2024	MP	G	6,476	—	—	80,335 Direct	-7.46%	Disposed	(price as of 2026-08-20)
Jan. 12, 2024	MP	A	45,997	—	—	86,811 Direct	+112.70%	Acquired	(price as of 2026-08-20)
May 18, 2023	MP	G	3,429	—	—	24,749 Indirect	+16.08%	Acquired	(price as of 2026-08-20)
May 18, 2023	MP	G	3,429	—	—	40,814 Direct	-7.75%	Disposed	(price as of 2026-08-20)
May 17, 2023	MP	F	5,679	$22.09	$125,449	44,243 Direct	-11.38%	Disposed	144.0% (price as of 2026-08-20)
Jan. 18, 2023	MP	G	7,662	—	—	21,320 Indirect	+56.10%	Acquired	(price as of 2026-08-20)
Jan. 18, 2023	MP	G	7,662	—	—	49,922 Direct	-13.31%	Disposed	(price as of 2026-08-20)
Jan. 14, 2023	MP	F	980	$29.53	$28,939	57,584 Direct	-1.67%	Disposed	82.5% (price as of 2026-08-20)
Jan. 13, 2023	MP	A	12,698	—	—	58,564 Direct	+27.68%	Acquired	(price as of 2026-08-20)
May 17, 2022	MP	F	3,766	$38.69	$145,707	45,866 Direct	-7.59%	Disposed	39.3% (price as of 2026-08-20)
March 11, 2022	MP	P	4,000	$44.01	$176,040	13,658 Indirect	+41.42%	Acquired	22.4% (price as of 2026-08-20)
Jan. 20, 2022	MP	G	3,026	—	—	9,658 Indirect	+45.63%	Acquired	(price as of 2026-08-20)
Jan. 20, 2022	MP	G	3,026	—	—	49,632 Direct	-5.75%	Disposed	(price as of 2026-08-20)
Jan. 14, 2022	MP	F	974	$46.83	$45,612	59,290 Direct	-1.62%	Disposed	15.1% (price as of 2026-08-20)
Jan. 14, 2022	MP	A	4,000	—	—	60,264 Direct	+7.11%	Acquired	(price as of 2026-08-20)
Jan. 14, 2022	MP	A	3,203	—	—	56,264 Direct	+6.04%	Acquired	(price as of 2026-08-20)
Jan. 14, 2022	MP	A	10,000	—	—	53,061 Direct	+23.22%	Acquired	(price as of 2026-08-20)
May 17, 2021	MP	A	36,429	—	—	43,061 Direct	+549.29%	Acquired	(price as of 2026-08-20)
May 17, 2021	MP	F	2,475	$27.45	$67,939	6,632 Direct	-27.18%	Disposed	96.3% (price as of 2026-08-20)
May 17, 2021	MP	A	9,107	—	—	9,107 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.

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
May 19, 2021	MP	Class A Common Stock	0	Direct
May 19, 2021	MP	Class A Common Stock	1,000	Indirect