Aubree Barnum

CIK 2045589 · View on SEC EDGAR ↗

Insider

First SEC filing: Dec. 31, 2024 · Latest: Dec. 31, 2024

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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.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

LAC selling Nov. 14, 2025

Insider transactions

0 buys (P) 1 sells (S) Net: $-21,434 + 18 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

18 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 10, 2026	LAC	M	15,673	—	—	31,347 Direct	-33.33%	Disposed	(price as of 2026-08-20)
April 10, 2026	LAC	F	17,278	$4.17	$72,049	99,094 Direct	-14.85%	Disposed	-29.4% (price as of 2026-08-20)
April 10, 2026	LAC	M	15,673	—	—	116,372 Direct	+15.56%	Acquired	(price as of 2026-08-20)
Feb. 12, 2026	LAC	F	3,735	$4.54	$16,957	100,699 Direct	-3.58%	Disposed	-35.1% (price as of 2026-08-20)
Feb. 9, 2026	LAC	A	8,548	—	—	104,434 Direct	+8.91%	Acquired	(price as of 2026-08-20)
Jan. 29, 2026	LAC	A	26,199	—	—	26,199 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 29, 2026	LAC	A	25,613	—	—	95,886 Direct	+36.45%	Acquired	(price as of 2026-08-20)
Jan. 23, 2026	LAC	M	7,037	—	—	7,037 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Jan. 23, 2026	LAC	F	3,137	$6.47	$20,296	70,273 Direct	-4.27%	Disposed	-54.5% (price as of 2026-08-20)
Jan. 23, 2026	LAC	M	7,037	—	—	73,410 Direct	+10.60%	Acquired	(price as of 2026-08-20)
Nov. 14, 2025	LAC	S	4,763	$4.50	$21,434	66,373 Direct	-6.70%	Disposed	-34.6% (price as of 2026-08-20)
Oct. 24, 2025	LAC	M	11,417	—	—	22,834 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Oct. 24, 2025	LAC	M	11,417	—	—	71,136 Direct	+19.12%	Acquired	(price as of 2026-08-20)
June 9, 2025	LAC	F	17,014	$2.74	$46,618	59,719 Direct	-22.17%	Disposed	7.5% (price as of 2026-08-20)
April 15, 2025	LAC	F	3,050	$2.75	$8,388	76,733 Direct	-3.82%	Disposed	7.1% (price as of 2026-08-20)
April 10, 2025	LAC	A	47,020	—	—	47,020 Direct	—	Acquired	(price as of 2026-08-20)
April 10, 2025	LAC	A	41,507	—	—	79,783 Direct	+108.44%	Acquired	(price as of 2026-08-20)
Jan. 23, 2025	LAC	M	7,037	—	—	14,074 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Jan. 23, 2025	LAC	M	7,037	—	—	38,276 Direct	+22.53%	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
April 10, 2026	LAC	Restricted Share Units	Common Shares (15,673)	—	—	15,673	Disposed
Jan. 29, 2026	LAC	Restricted Share Units	Common Shares (26,199)	—	—	26,199	Acquired
Jan. 23, 2026	LAC	Restricted Share Units	Common Shares (7,037)	—	—	7,037	Disposed
Oct. 24, 2025	LAC	Restricted Share Units	Common Shares (11,417)	—	—	11,417	Disposed
April 10, 2025	LAC	Restricted Share Units	Common Shares (47,020)	—	—	47,020	Acquired
Jan. 23, 2025	LAC	Restricted Share Units	Common Shares (7,037)	—	—	7,037	Disposed

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. 31, 2024	LAC	Common Shares	31,239	Direct
Dec. 31, 2024	LAC	Common Shares	24	Indirect
Dec. 31, 2024	LAC	Restricted Share Units [F1]→ Common Shares (21,111)	21,111	Direct
Dec. 31, 2024	LAC	Restricted Share Units [F1]→ Common Shares (34,251)	34,251	Direct
Dec. 31, 2024	LAC	Restricted Share Units [F1]→ Common Shares (3,146)	3,146	Direct