Skip to content
drillr.ai
Sign up

STAK

STAK Inc.

NASDAQ · Energy · Oil & Gas Equipment & Services · CN

$1.20
−1.64%
Ask drillr
0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
-75.7%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Sep 28, 2015WONISH ROBERT G · directorPurchase200,000$0.03
Sep 3, 2015Mikel Steven H. · officer: Chief Executive OfficerPurchase300,000$0.03
Aug 26, 2015WONISH ROBERT G · directorPurchase100,000$1.00
Aug 26, 2015Mikel Steven H. · officer: Chief Executive OfficerPurchase400,000$1.00
Feb 11, 2008PATTERSON WILLIAM KIRK · officer: Sr. Vice President and CFOM-Exempt1,438$2.97
Feb 4, 2008PATTERSON WILLIAM KIRK · officer: Sr. Vice President and CFOM-Exempt5,750$1.78
Feb 4, 2008PATTERSON WILLIAM KIRK · officer: Sr. Vice President and CFOF-InKind1,878$1.78
Dec 10, 2007PATTERSON WILLIAM KIRK · officer: Sr. Vice President and CFOM-Exempt1,438$2.49
Dec 10, 2007PATTERSON WILLIAM KIRK · officer: Sr. Vice President and CFOF-InKind381$2.49
Jun 19, 2007PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOM-Exempt1,438$2.79
Jun 19, 2007PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOF-InKind381$2.79
Jun 19, 2007PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOSale1,057$4.00
May 14, 2007PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOA-Award80,000$2.73
Mar 9, 2007PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOSale4,003$4.06
Mar 6, 2007PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOM-Exempt5,750$4.11
Mar 6, 2007PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOF-InKind1,747$4.11
Feb 2, 2007PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOA-Award23,000$0.00
May 5, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOM-Exempt49,230$0.67
May 5, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOSale49,230$6.50
May 3, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOM-Exempt770$0.67
May 3, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOSale770$6.50
Apr 25, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOA-Award23,000$0.00
Apr 19, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOM-Exempt35,269$0.67
Apr 19, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOM-Exempt14,731$0.67
Apr 19, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOSale14,731$6.50
Mar 23, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOM-Exempt100$0.67
Mar 23, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOSale100$6.50
Mar 21, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOM-Exempt2,850$0.67
Mar 21, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOM-Exempt7,383$0.67
Mar 21, 2006PATTERSON WILLIAM KIRK · officer: Sr. Vice President & CFOSale7,383$6.50
Institutional positioning

13F filings over the trailing two quarters

New 9Increased 4Reduced 0Sold out 2
FilerActionSharesFiled
HRT FINANCIAL LPNew Position131,486Aug 14, 2026
JANE STREET GROUP, LLCIncreased131,219Aug 14, 2026
JANE STREET GROUP, LLCNew Position54,403May 12, 2026
MORGAN STANLEYNew Position50,000May 15, 2026
XTX Topco LtdNew Position21,355Aug 14, 2026
UBS Group AGIncreased20,236Aug 13, 2026
Scientech Research LLCNew Position16,508Aug 14, 2026
UBS GROUP AGIncreased8,089May 5, 2026
Tower Research Capital LLC (TRC)Increased5,000Aug 11, 2026
TOWER RESEARCH CAPITAL LLC (TRC)New Position2,900May 15, 2026
WELLS FARGO & COMPANY/MNNew Position2,500Jul 8, 2026
ROYAL BANK OF CANADANew Position100Aug 14, 2026
Caitong International Asset Management Co., LtdNew Position1Aug 5, 2026
MORGAN STANLEYSold Out0May 15, 2026
WELLS FARGO & COMPANY/MNSold Out0Jul 8, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 28, 2015