John Sakys Insider Trades & Stock Holdings

CFO · Mesa Laboratories, Inc. · Latest filing Jun 22, 2026

John Sakys, CFO at Mesa Laboratories, Inc. has 8 Form 4 trades on file since Jun 15, 2026. Open-market activity: 0 purchases ($0) and 2 sales ($376.87K), net -$376.87K. Latest filing: disposed of 2.83K shares of $MLAB on Jun 22, 2026 at $89.50.

Trades on file

8

Open-market bought

$0

Open-market sold

$376.87K

Net open-market

-$376.87K

Latest filing

Jun 22, 2026

All insider trades by John Sakys

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 22, 2026	$MLAB	Sell (Open-market sale)	2.83K	$89.50	$253.02K			+6.8%	+5.7%		CFO		Read
Jun 18, 2026	$MLAB	Sell (Option exercise)	2.76K	$0	—			+3.2%	+1.7%		CFO		Read
Jun 18, 2026	$MLAB	Buy (Grant or award)	2.28K	$95.10	$217.02K			+3.2%	+1.7%		CFO		Read
Jun 16, 2026	$MLAB	Sell (Open-market sale) 10b5-1	1.22K	$101.27	$123.85K			-7.7%	-0.2%		CFO		Read
Jun 15, 2026	$MLAB	Sell (Option exercise)	2.72K	$0	—			-10.4%	-9.0%		CFO		Read
Jun 15, 2026	$MLAB	Sell	3.95K	$0	—			-10.4%	-9.0%		CFO		—
Jun 15, 2026	$MLAB	Buy (Grant or award)	8.42K	$0	—			-10.4%	-9.0%		CFO		Read
Jun 15, 2026	$MLAB	Buy (Grant or award)	8.42K	$0	—			-10.4%	-9.0%		CFO		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks John Sakys traded

• $MLAB

Frequently asked questions

Has John Sakys been buying or selling stock?

John Sakys has 0 open-market purchases and 2 open-market sales on file, net -$376.87K. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was John Sakys's latest insider trade?

disposed of 2.83K shares of $MLAB on Jun 22, 2026 at $89.50.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.