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CIK 0002029492

MLAC Mountain Lake Acquisition Corp.

Insider trading from SEC Form 4. Last filing Jun 15, 2026.

In brief

Mountain Lake Acquisition Corp. (MLAC) has 14 SEC Form 4 filings on file from 6 insiders, the latest filed on Jun 15, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.

Last 90 days

Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
6
with a Form 4 at this company

Signals

Open-market buys and sells at Mountain Lake Acquisition Corp., scored.

No scored open-market trades yet. Grants, exercises and other rows are below.

Transactions

Every row filed, 36 in all.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Jun 11, 2026Paul Grinberg
Chief Executive Officer
DDisposition to issuer
Class A ordinary shares, par value $0.0001 per share
-478,010--0Jun 15, 2026
Jun 11, 2026Douglas Horlick
CFO and President
DDisposition to issuer
Class A ordinary shares, par value $0.0001 per share
-478,010--0Jun 15, 2026
Jun 11, 2026Jeffrey Todd Lager
director
MOption exercise
Class A ordinary shares, par value $0.0001 per share
+9,112--9,112Jun 15, 2026
Jun 11, 2026Mountain Lake Acquisition Sponsor LLC
owner
DDisposition to issuer
Class A ordinary shares, par value $0.0001 per share
-495,000--0Jun 15, 2026
Jun 11, 2026Jaime Vieser
director
DDisposition to issuer
Class A ordinary shares, par value $0.0001 per share
-478,010--0Jun 15, 2026
Jun 11, 2026Michael J. Marquez
director
MOption exercise
Class A ordinary shares, par value $0.0001 per share
+9,112--9,112Jun 15, 2026
Jun 11, 2026Michael J. Marquez
director
DDisposition to issuer
Class A ordinary shares, par value $0.0001 per share
-9,112--0Jun 15, 2026
Jun 11, 2026Mountain Lake Acquisition Sponsor LLC
owner
DDisposition to issuer
Class B ordinary shares, par value $0.0001 per sharederivative
-4,355,724--0Jun 15, 2026
Jun 11, 2026Jaime Vieser
director
MOption exercise
Class B ordinary shares, par value $0.0001 per sharederivative
-478,010--0Jun 15, 2026
Jun 11, 2026Jeffrey Todd Lager
director
DDisposition to issuer
Class A ordinary shares, par value $0.0001 per share
-9,112--0Jun 15, 2026
Jun 11, 2026Douglas Horlick
CFO and President
MOption exercise
Class B ordinary shares, par value $0.0001 per sharederivative
-478,010--0Jun 15, 2026
Jun 11, 2026Paul Grinberg
Chief Executive Officer
MOption exercise
Class B ordinary shares, par value $0.0001 per sharederivative
-478,010--0Jun 15, 2026
Jun 11, 2026Michael J. Marquez
director
DDisposition to issuer
Class B ordinary shares, par value $0.0001 per sharederivative
-15,888--9,112Jun 15, 2026
Jun 11, 2026Jeffrey Todd Lager
director
DDisposition to issuer
Class B ordinary shares, par value $0.0001 per sharederivative
-15,888--9,112Jun 15, 2026
Jun 11, 2026Michael J. Marquez
director
MOption exercise
Class B ordinary shares, par value $0.0001 per sharederivative
-9,112--0Jun 15, 2026
Jun 11, 2026Jeffrey Todd Lager
director
MOption exercise
Class B ordinary shares, par value $0.0001 per sharederivative
-9,112--0Jun 15, 2026
Jun 1, 2026Mountain Lake Acquisition Sponsor LLC
owner
JOther
Class B ordinary shares, par value $0.0001 per sharederivative
-2,781,776--4,355,724Jun 10, 2026
Jun 1, 2026Jaime Vieser
director
JOther
Class B ordinary shares, par value $0.0001 per sharederivative
+478,010--478,010Jun 4, 2026
Jun 1, 2026Paul Grinberg
Chief Executive Officer
JOther
Class B ordinary shares, par value $0.0001 per sharederivative
+478,010--478,010Jun 4, 2026
Jun 1, 2026Douglas Horlick
CFO and President
JOther
Class B ordinary shares, par value $0.0001 per sharederivative
+478,010--478,010Jun 4, 2026
Dec 16, 2024Paul Grinberg
Chief Executive Officer
POpen-market purchase
Class A Ordinary Share, par value $0.0001 per shareindirect: See Footnote
+12,500--12,500Dec 16, 2024
Dec 16, 2024Douglas Horlick
CFO
POpen-market purchase
Class A Ordinary Share, par value $0.0001 per shareindirect: See Footnote
+12,500--12,500Dec 16, 2024
Dec 16, 2024Mountain Lake Acquisition Sponsor LLC
owner
POpen-market purchase
Class A Ordinary Share, par value $0.0001 per share
+495,000--495,000Dec 16, 2024
Dec 16, 2024Jaime Vieser
director
POpen-market purchase
Class A Ordinary Share, par value $0.0001 per shareindirect: See Footnote
+25,000--25,000Dec 16, 2024
Dec 12, 2024Jaime Vieser
director
AGrant or award
Class B ordinary shares, par value $0.0001 per sharederivativeindirect: See Footnote
+65,242--1,351,783Dec 16, 2024
Dec 12, 2024Mountain Lake Acquisition Sponsor LLC
owner
AGrant or award
Class B ordinary shares, par value $0.0001 per sharederivative
+359,375--7,546,875Dec 16, 2024
Dec 12, 2024Douglas Horlick
CFO
AGrant or award
Class B ordinary shares, par value $0.0001 per sharederivativeindirect: See Footnote
+65,968--1,365,009Dec 16, 2024
Dec 12, 2024Paul Grinberg
Chief Executive Officer
AGrant or award
Class B ordinary shares, par value $0.0001 per sharederivativeindirect: See Footnote
+65,968--1,365,009Dec 16, 2024
Dec 16, 2024Mountain Lake Acquisition Sponsor LLC
owner
DDisposition to issuer
Class B ordinary shares, par value $0.0001 per sharederivative
-359,375--7,187,500Dec 16, 2024
Dec 16, 2024Jaime Vieser
director
DDisposition to issuer
Class B ordinary shares, par value $0.0001 per sharederivativeindirect: See Footnote
-65,242--1,286,541Dec 16, 2024
Dec 16, 2024Douglas Horlick
CFO
DDisposition to issuer
Class B ordinary shares, par value $0.0001 per sharederivativeindirect: See Footnote
-65,968--1,299,041Dec 16, 2024
Dec 16, 2024Paul Grinberg
Chief Executive Officer
DDisposition to issuer
Class B ordinary shares, par value $0.0001 per sharederivativeindirect: See Footnote
-65,968--1,299,041Dec 16, 2024
Dec 16, 2024Mountain Lake Acquisition Sponsor LLC
owner
POpen-market purchase
Rights to receive Class A Ordinary Sharesderivative
+495,000--495,000Dec 16, 2024
Dec 16, 2024Jaime Vieser
director
POpen-market purchase
Rights to receive Class A Ordinary Sharesderivativeindirect: See Footnote
+25,000--25,000Dec 16, 2024
Dec 16, 2024Douglas Horlick
CFO
POpen-market purchase
Rights to receive Class A Ordinary Sharesderivativeindirect: See Footnote
+12,500--12,500Dec 16, 2024
Dec 16, 2024Paul Grinberg
Chief Executive Officer
POpen-market purchase
Rights to receive Class A Ordinary Sharesderivativeindirect: See Footnote
+12,500--12,500Dec 16, 2024

Insiders

Everyone who has filed a Form 4 here.

Questions about MLAC

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

Are insiders buying MLAC?

No. In the last 90 days no insider at Mountain Lake Acquisition Corp. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.

Who was the last insider to trade MLAC on the open market?

No open-market trade has been scored at Mountain Lake Acquisition Corp.. The latest Form 4 on file was filed on Jun 15, 2026 and holds grants, exercises or other rows that are not market trades.

How many insiders file Form 4 at Mountain Lake Acquisition Corp.?

6 people have filed a Form 4 at Mountain Lake Acquisition Corp., among them Paul Grinberg (Chief Executive Officer), Douglas Horlick (CFO and President), Jeffrey Todd Lager (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

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.

MLAC insider trading: Mountain Lake Acquisition Corp. | InsiderTell