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Insider · CIK 0002045597

Michael John Brown

director

Files at ZSTK (ZeroStack Corp.), LAC (LITHIUM AMERICAS CORP.). First filing Apr 4, 2025, latest Mar 23, 2026.

Michael John Brown files SEC Form 4 as director at LAC (LITHIUM AMERICAS CORP.), and also at ZSTK (ZeroStack Corp.). Since Apr 4, 2025, Michael John Brown has reported 4 open-market buys worth $9,612 and 0 open-market sells worth $0, the latest filed on Mar 23, 2026.

A track record needs three past buys with six months of prices behind them; Michael John Brown has 0, so none is measured yet.

The newest scored trade: bought $3,780 of LAC on Mar 20, 2026, filed Mar 23, 2026, scored 26 (weak). In the last 12 months: 1 buy worth $3,780 and 0 sells worth $0.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
4 / 0
$9,612 bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

LAC: LITHIUM AMERICAS CORP.

LACOct 9, 2026 · close 2.35

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
26Weak
LACbuy
LITHIUM AMERICAS CORP.
$3,780
1,000 shares
+16%+59% from low-63% from high
26Weak
LACbuy
LITHIUM AMERICAS CORP.
$2,840
1,000 shares
+19%+26% from low-36% from high
20Weak
LACbuy
LITHIUM AMERICAS CORP.
$282
100 shares
+2%-
21Weak
LACbuy
LITHIUM AMERICAS CORP.
$2,710
1,000 shares
+24%-

Transactions

Every row this insider has filed, 11 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Apr 13, 2026LAC
LITHIUM AMERICAS CORP.
AGrant or award
Deferred Share Units ("DSUs")derivative
+12,038$0.00$0116,906Apr 15, 2026
Mar 20, 2026LAC
LITHIUM AMERICAS CORP.
POpen-market purchase
Common Shares
+1,000$3.78$3,7807,201Mar 23, 2026
Jan 15, 2026LAC
LITHIUM AMERICAS CORP.
AGrant or award
Deferred Share Units ("DSUs")derivative
+10,447$0.00$0104,868Jan 20, 2026
Oct 22, 2025ZSTK
ZeroStack Corp.
AGrant or award
Deferred Share Units ("DSUs")derivative
+7,468$0.00$094,421Oct 23, 2025
Oct 22, 2025LAC
LITHIUM AMERICAS CORP.
AGrant or award
Deferred Share Units ("DSUs")derivative
+7,468$0.00$094,421Oct 23, 2025
Sep 5, 2025LAC
LITHIUM AMERICAS CORP.
POpen-market purchase
Common Shares
+1,000$2.84$2,8406,201Sep 8, 2025
Jul 30, 2025LAC
LITHIUM AMERICAS CORP.
AGrant or award
Deferred Share Units ("DSUs")derivative
+17,636$0.00$086,953Jul 30, 2025
May 19, 2025LAC
LITHIUM AMERICAS CORP.
POpen-market purchase
Common Shares
+100$2.82$2825,201May 20, 2025
Apr 30, 2025LAC
LITHIUM AMERICAS CORP.
AGrant or award
Deferred Share Units ("DSUs")derivative
+16,950$0.00$069,317May 1, 2025
Apr 10, 2025LAC
LITHIUM AMERICAS CORP.
AGrant or award
Deferred Share Units ("DSUs")derivative
+12,580$0.00$052,367Apr 14, 2025
Apr 3, 2025LAC
LITHIUM AMERICAS CORP.
POpen-market purchase
Common Shares
+1,000$2.71$2,7105,101Apr 4, 2025

Questions about Michael John Brown

Answered from the filings on this page, as of the latest one.

Is Michael John Brown buying or selling?

In the last 12 months Michael John Brown reported 1 open-market buy worth $3,780 and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $3,780 of LAC on Mar 20, 2026. Grants, option exercises and tax withholding are not counted.

How did Michael John Brown's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Michael John Brown has 0.

Where does Michael John Brown file Form 4?

Michael John Brown has filed Form 4 at LAC (LITHIUM AMERICAS CORP.); ZSTK (ZeroStack Corp.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Michael John Brown: insider trades and track record | InsiderTell