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GSS

GSS·Insider activity
—
No end-of-day price on record
GSS
Insider purchases and sales on the price
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
GSSS&P 500 (rebased)
Insider BuyInsider SellForm 144 · planned sale
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

No open-market insider purchases or sales of GSS were filed in the last 180 days. Newest filing Jun 26, 2013 (13 years ago).

Net Insider Buying by Quarter

Shares bought (+) or sold (−) on the open market by GSS insiders · Form 4 · last two years

No open-market insider buys or sells in the last two years.

On Record

$0Purchases · 180 days
$0Sales · 180 days
147Open-market transactions on record
0Insiders filing · 180 days

Purchases (code P) and sales (code S) of GSS common stock reported on Form 4, with Form 5 annual catch-ups. Grants, option exercises, gifts and tax withholding are not shown. Dollars are shares × the stated price; a price outside anything the stock traded at that day is withheld (n/c).

Insider Transactions

147 on record · newest trade first
AllPurchasesSalesOfficers & directors
InsiderTypeSharesPriceValueHeld afterTradedFiled
Coetzer Samuel T.President and CEO · Director Purchase +42.0K $0.48 $20K82.5Kdirect Jun 25, 2013Jun 26, 2013 Form 4 ↗
Wasel S MitchelVice President, Exploration Purchase +19.5K $0.48 $9K70.5Kdirect Jun 21, 2013Jun 24, 2013 Form 4 ↗
Wasel S MitchelVice President, Exploration Purchase +500 $0.49 $24551.0Kdirect Jun 21, 2013Jun 24, 2013 Form 4 ↗
Yeates William LeeDirector Purchase +15.0K $1.03 $15K50.0Kindirect May 24, 2012May 24, 2012 Form 4 ↗
Coetzer Samuel T.Executive Vice President & COO Purchase Amended +19.0K $1.01 $19K40.5Kdirect May 23, 2012May 25, 2012 Form 4 ↗
ASKEW JAMES EDirector Purchase Amended +51.0K $0.96 $49K156.0Kdirect May 23, 2012May 25, 2012 Form 4 ↗
Wasel S MitchelVice President, Exploration Purchase +10.0K $0.96 $10K50.5Kdirect May 23, 2012May 24, 2012 Form 4 ↗
ASKEW JAMES EDirector Purchase +41.0K $0.96 $39K146.0Kdirect May 23, 2012May 24, 2012 Form 4 ↗
Yeates William LeeDirector Purchase Amended +25.0K $0.99 $25K35.0Kdirect May 23, 2012May 23, 2012 Form 4 ↗
Coetzer Samuel T.Executive Vice President & COO Purchase +19.0K $1.06 $20K40.5Kdirect May 23, 2012May 23, 2012 Form 4 ↗
Yeates William LeeDirector Purchase +25.0K $0.99 $25K25.0Kdirect May 23, 2012May 23, 2012 Form 4 ↗
Doyle Robert E.Director Purchase +100.0K $0.94 $94K100.0Kdirect May 23, 2012May 23, 2012 Form 4 ↗
Thompson Christopher M.T.Director Purchase Amended +200.0K $0.93 $186K300.0Kdirect May 22, 2012May 25, 2012 Form 4 ↗
Higson-Smith BruceSr VP Finance & Corp Devel Purchase +20.0K $1.04 $21K136.6Kdirect May 22, 2012May 22, 2012 Form 4 ↗
Nelsen Craig J.Director Purchase +100.0K $0.95 $95K150.0Kdirect May 22, 2012May 22, 2012 Form 4 ↗
Palmer RogerVice President and CFO Purchase +7,000 $0.94 $7K40.5Kdirect May 22, 2012May 22, 2012 Form 4 ↗
Thompson Christopher M.T.Director Purchase +200.0K $0.97 $194K300.0Kdirect May 22, 2012May 22, 2012 Form 4 ↗
Palmer RogerVice President and CFO Sale −4,334 $2.10 $9K18.4Kdirect Feb 28, 2012Mar 1, 2012 Form 4 ↗
Nelsen Craig J.Director Purchase +50.0K $1.92 $96K50.0Kdirect Oct 7, 2011Oct 7, 2011 Form 4 ↗
Thompson Christopher M.T.Director Purchase +100.0K $2.32 $232K100.0Kdirect Aug 22, 2011Aug 23, 2011 Form 4 ↗
Wasel S MitchelVice President, Exploration Purchase Amended +7,000 $2.83 $20K30.3Kdirect Mar 11, 2011Mar 21, 2011 Form 4 ↗
Wasel S MitchelVice President, Exploration Purchase +7,000 $2.69 $19K30.3Kdirect Mar 11, 2011Mar 14, 2011 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +6,000 $2.90 $17K104.9Kdirect Mar 7, 2011Mar 8, 2011 Form 4 ↗
MARTINEAU MICHAELDirector Sale −10.0K $5.07 $51K10.0Kdirect Sep 14, 2010Sep 15, 2010 Form 4 ↗
MARTINEAU MICHAELDirector Sale −10.0K $4.56 $46K20.0Kdirect Aug 17, 2010Aug 18, 2010 Form 4 ↗
MACGREGOR IANDirector Sale −75.0K $4.39 $329K50.0Kdirect Jun 18, 2010Jun 18, 2010 Form 4 ↗
LABATE JOHN ASenior VP and CFO Sale −75.0K $4.05 $304K0direct Jun 14, 2010Jun 15, 2010 Form 4 ↗
FAGIN DAVID KDirector Sale −58.5K $4.17 $244K439.7Kdirect Apr 9, 2010Apr 12, 2010 Form 4 ↗
FAGIN DAVID KDirector Sale −208.6K $4.19 $874K498.2Kdirect Apr 9, 2010Apr 12, 2010 Form 4 ↗
MARTINEAU MICHAELDirector Sale −20.0K $3.68 $74K30.0Kdirect Mar 23, 2010Mar 23, 2010 Form 4 ↗
MACGREGOR IANDirector Sale −75.0K $3.66 $275K50.0Kdirect Mar 17, 2010Mar 18, 2010 Form 4 ↗
Terrell Michael ADirector Sale −40.0K $1.89 $76K0direct May 12, 2009May 13, 2009 Form 4 ↗
Terrell Michael ADirector Sale −216.0K $1.88 $406K0direct May 12, 2009May 13, 2009 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +10.0K $0.75 $8K98.9Kdirect Nov 24, 2008Nov 25, 2008 Form 4 ↗
Terrell Michael ADirector Sale −228.9K $0.61 $140K0direct Nov 21, 2008Nov 24, 2008 Form 4 ↗
Terrell Michael ADirector Sale −24 $0.60 $142,062indirect Nov 21, 2008Nov 24, 2008 Form 4 ↗
Terrell Michael ADirector Sale −36 $0.58 $212,086indirect Nov 21, 2008Nov 24, 2008 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +10.0K $0.59 $6K88.9Kdirect Nov 21, 2008Nov 21, 2008 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +10.0K $1.25 $13K78.9Kdirect Oct 8, 2008Oct 9, 2008 Form 4 ↗
Mair TomPresident & CEO · Director Purchase +300 $1.48 $444110.0Kdirect Aug 11, 2008Aug 12, 2008 Form 4 ↗
Mair TomPresident & CEO · Director Purchase +9,700 $1.53 $15K109.7Kdirect Aug 11, 2008Aug 12, 2008 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +400 $1.45 $58068.9Kdirect Aug 11, 2008Aug 12, 2008 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +100 $1.45 $14568.5Kdirect Aug 11, 2008Aug 12, 2008 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +100 $1.45 $14568.4Kdirect Aug 11, 2008Aug 12, 2008 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +200 $1.45 $29068.3Kdirect Aug 11, 2008Aug 12, 2008 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +9,200 $1.45 $13K68.1Kdirect Aug 11, 2008Aug 12, 2008 Form 4 ↗
Terrell Michael ADirector Sale −10.0K $4.06 $41K228.9Kdirect Mar 14, 2008Mar 17, 2008 Form 4 ↗
Terrell Michael ADirector Sale −90.5K $4.11 $372K238.9Kdirect Mar 14, 2008Mar 17, 2008 Form 4 ↗
Terrell Michael ADirector Sale −259.5K $4.09 $1.1M329.4Kdirect Mar 14, 2008Mar 17, 2008 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +4,000 $3.18 $13K58.9Kdirect Dec 10, 2007Dec 10, 2007 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +32.9K $2.86 $94K1.7Mdirect Dec 5, 2007Dec 5, 2007 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +10.0K $2.82 $28K1.7Mdirect Dec 5, 2007Dec 5, 2007 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +15.2K $2.84 $43K1.7Mdirect Dec 5, 2007Dec 5, 2007 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +30.0K $2.83 $85K1.7Mdirect Dec 5, 2007Dec 5, 2007 Form 4 ↗
Wasel S MitchelVice President, Exploration Purchase +3,000 $3.30 $10K23.3Kdirect Nov 26, 2007Dec 7, 2007 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +4,000 $3.08 $12K54.9Kdirect Nov 13, 2007Nov 14, 2007 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +6,000 $2.88 $17K50.9Kdirect Aug 23, 2007Aug 24, 2007 Form 4 ↗
Mair TomSr. VP & CFO Purchase +50.0K $3.69 $185K100.0Kdirect Jun 20, 2007Jun 21, 2007 Form 4 ↗
Higson-Smith BruceVP Corporate Development Purchase +2,000 $3.68 $7K44.9Kdirect Jun 13, 2007Jun 15, 2007 Form 4 ↗
Mair TomSr. VP & CFO Purchase +50.0K $3.95 $198K50.0Kdirect Mar 19, 2007Mar 20, 2007 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +40.0K $3.94 $158K689.1Kdirect Feb 14, 2007Feb 14, 2007 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +10.0K $2.36 $24K649.1Kdirect Oct 4, 2006Oct 5, 2006 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +20.0K $2.37 $47K639.1Kdirect Oct 4, 2006Oct 5, 2006 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +30.0K $2.39 $72K619.1Kdirect Oct 4, 2006Oct 5, 2006 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +15.0K $2.41 $36K589.1Kdirect Oct 4, 2006Oct 5, 2006 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +25.0K $2.42 $61K574.1Kdirect Oct 4, 2006Oct 5, 2006 Form 4 ↗
JONES DOUGLAS AVice President, Exploration Purchase +1,400 $2.69 $4K14.8Kdirect Sep 27, 2006Sep 28, 2006 Form 4 ↗
JONES DOUGLAS AVice President, Exploration Purchase +5,000 $2.74 $14K13.4Kdirect Sep 27, 2006Sep 28, 2006 Form 4 ↗
HIGSON SMITH BRUCEVP Corporate Development Purchase +1,200 $2.57 $3K1,200indirect Sep 21, 2006Sep 22, 2006 Form 4 ↗
HIGSON SMITH BRUCEVP Corporate Development Purchase +10.0K $2.58 $26K36.3Kdirect Sep 21, 2006Sep 22, 2006 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +10.0K $2.54 $25K549.1Kdirect Sep 21, 2006Sep 22, 2006 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +10.0K $2.53 $25K539.1Kdirect Sep 21, 2006Sep 22, 2006 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +20.0K $2.54 $51K529.1Kdirect Sep 21, 2006Sep 22, 2006 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +10.0K $2.51 $25K509.1Kdirect Sep 21, 2006Sep 22, 2006 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +50.0K $2.52 $126K499.1Kdirect Sep 21, 2006Sep 22, 2006 Form 4 ↗
Terrell Michael ADirector Sale Amended −320.0K $2.95 $944K2,122indirect Jun 7, 2006Jun 26, 2006 Form 4 ↗
Terrell Michael ADirector Sale Amended −1,462 $2.92 $4K322.1Kindirect Jun 7, 2006Jun 26, 2006 Form 4 ↗
Terrell Michael ADirector Sale −320.0K $2.95 $944K2,339indirect Jun 7, 2006Jun 9, 2006 Form 4 ↗
Terrell Michael ADirector Sale −1,462 $2.92 $4K322.3Kindirect Jun 7, 2006Jun 9, 2006 Form 4 ↗
Terrell Michael ADirector Sale Amended −500.0K $3.01 $1.5M228.9Kdirect Jun 2, 2006Jun 26, 2006 Form 4 ↗
Terrell Michael ADirector Sale Amended −500.0K $3.00 $1.5M728.9Kdirect Jun 2, 2006Jun 26, 2006 Form 4 ↗
Terrell Michael ADirector Sale −500.0K $3.01 $1.5M228.7Kdirect Jun 2, 2006Jun 6, 2006 Form 4 ↗
Terrell Michael ADirector Sale −500.0K $3.00 $1.5M728.7Kdirect Jun 2, 2006Jun 6, 2006 Form 4 ↗
Terrell Michael ADirector Sale −3,000 $2.79 $8K1.2Mdirect May 19, 2006May 23, 2006 Form 4 ↗
Terrell Michael ADirector Sale −10.5K $2.77 $29K1.2Mdirect May 19, 2006May 23, 2006 Form 4 ↗
Terrell Michael ADirector Sale −2,500 $2.76 $7K1.2Mdirect May 19, 2006May 23, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $2.77 $14K323.8Kindirect May 19, 2006May 23, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $2.75 $14K328.8Kindirect May 19, 2006May 23, 2006 Form 4 ↗
Terrell Michael ADirector Sale −6,900 $2.74 $19K333.8Kindirect May 19, 2006May 23, 2006 Form 4 ↗
Terrell Michael ADirector Sale −52.1K $2.71 $141K340.7Kindirect May 19, 2006May 23, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $2.70 $14K392.8Kindirect May 19, 2006May 23, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $2.69 $13K397.8Kindirect May 19, 2006May 23, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $2.68 $13K402.8Kindirect May 19, 2006May 23, 2006 Form 4 ↗
Terrell Michael ADirector Sale −10.0K $3.38 $34K84.2Kindirect Apr 28, 2006May 2, 2006 Form 4 ↗
Terrell Michael ADirector Sale −10.0K $3.37 $34K94.2Kindirect Apr 28, 2006May 2, 2006 Form 4 ↗
Terrell Michael ADirector Sale −20.0K $3.36 $67K104.2Kindirect Apr 28, 2006May 2, 2006 Form 4 ↗
Terrell Michael ADirector Sale −15.0K $3.35 $50K124.2Kindirect Apr 28, 2006May 2, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.34 $17K139.2Kindirect Apr 28, 2006May 2, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.33 $17K144.2Kindirect Apr 28, 2006May 2, 2006 Form 4 ↗
Terrell Michael ADirector Sale −10.0K $3.32 $33K149.2Kindirect Apr 28, 2006May 2, 2006 Form 4 ↗
Terrell Michael ADirector Sale −15.0K $3.31 $50K159.2Kindirect Apr 28, 2006May 2, 2006 Form 4 ↗
Terrell Michael ADirector Sale −10.0K $3.30 $33K174.2Kindirect Apr 28, 2006May 2, 2006 Form 4 ↗
Terrell Michael ADirector Sale −2,700 $3.24 $9K184.2Kindirect Apr 27, 2006May 1, 2006 Form 4 ↗
Terrell Michael ADirector Sale −3,700 $3.23 $12K186.9Kindirect Apr 27, 2006May 1, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.22 $16K190.6Kindirect Apr 27, 2006May 1, 2006 Form 4 ↗
Terrell Michael ADirector Sale −12.3K $3.21 $39K195.6Kindirect Apr 27, 2006May 1, 2006 Form 4 ↗
Terrell Michael ADirector Sale −1,300 $3.20 $4K207.9Kindirect Apr 27, 2006May 1, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.17 $16K209.2Kindirect Apr 27, 2006May 1, 2006 Form 4 ↗
Terrell Michael ADirector Sale −10.0K $3.16 $32K214.2Kindirect Apr 27, 2006May 1, 2006 Form 4 ↗
Terrell Michael ADirector Sale −10.0K $3.15 $32K224.2Kindirect Apr 27, 2006May 1, 2006 Form 4 ↗
Terrell Michael ADirector Sale −10.0K $3.33 $33K234.2Kindirect Apr 26, 2006Apr 28, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.32 $17K244.2Kindirect Apr 26, 2006Apr 28, 2006 Form 4 ↗
Terrell Michael ADirector Sale −12.3K $3.31 $41K249.2Kindirect Apr 26, 2006Apr 28, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.30 $17K261.5Kindirect Apr 26, 2006Apr 28, 2006 Form 4 ↗
Terrell Michael ADirector Sale −15.0K $3.29 $49K266.5Kindirect Apr 26, 2006Apr 28, 2006 Form 4 ↗
Terrell Michael ADirector Sale −50.3K $3.28 $165K281.5Kindirect Apr 26, 2006Apr 28, 2006 Form 4 ↗
Terrell Michael ADirector Sale −2,700 $3.27 $9K331.8Kindirect Apr 26, 2006Apr 28, 2006 Form 4 ↗
Terrell Michael ADirector Sale −29.7K $3.26 $97K334.5Kindirect Apr 26, 2006Apr 28, 2006 Form 4 ↗
Terrell Michael ADirector Sale −15.0K $3.26 $49K364.2Kindirect Apr 26, 2006Apr 28, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.25 $16K379.2Kindirect Apr 26, 2006Apr 28, 2006 Form 4 ↗
Terrell Michael ADirector Sale −7,000 $3.25 $23K384.2Kindirect Apr 25, 2006Apr 27, 2006 Form 4 ↗
Terrell Michael ADirector Sale −8,000 $3.27 $26K391.2Kindirect Apr 25, 2006Apr 27, 2006 Form 4 ↗
Terrell Michael ADirector Sale −15.0K $3.28 $49K399.2Kindirect Apr 25, 2006Apr 27, 2006 Form 4 ↗
Terrell Michael ADirector Sale −20.0K $3.29 $66K414.2Kindirect Apr 25, 2006Apr 27, 2006 Form 4 ↗
Terrell Michael ADirector Sale −25.0K $3.30 $83K434.2Kindirect Apr 25, 2006Apr 27, 2006 Form 4 ↗
Terrell Michael ADirector Sale −9,600 $3.31 $32K459.2Kindirect Apr 25, 2006Apr 27, 2006 Form 4 ↗
Terrell Michael ADirector Sale −15.0K $3.32 $50K468.8Kindirect Apr 25, 2006Apr 27, 2006 Form 4 ↗
Terrell Michael ADirector Sale −400 $3.32 $1K483.8Kindirect Apr 25, 2006Apr 27, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.07 $15K484.2Kindirect Mar 15, 2006Mar 17, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.06 $15K489.2Kindirect Mar 15, 2006Mar 17, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.05 $15K494.2Kindirect Mar 15, 2006Mar 17, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.04 $15K499.2Kindirect Mar 15, 2006Mar 17, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.03 $15K504.2Kindirect Mar 15, 2006Mar 17, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.01 $15K509.2Kindirect Mar 15, 2006Mar 17, 2006 Form 4 ↗
Terrell Michael ADirector Sale −15.0K $3.01 $45K514.2Kindirect Mar 15, 2006Mar 17, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.00 $15K529.2Kindirect Mar 15, 2006Mar 17, 2006 Form 4 ↗
Terrell Michael ADirector Sale −7,300 $3.10 $23K534.2Kindirect Mar 14, 2006Mar 15, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.09 $15K541.5Kindirect Mar 14, 2006Mar 15, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.08 $15K546.5Kindirect Mar 14, 2006Mar 15, 2006 Form 4 ↗
Terrell Michael ADirector Sale −12.7K $3.07 $39K551.5Kindirect Mar 14, 2006Mar 15, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.07 $15K564.2Kindirect Mar 14, 2006Mar 15, 2006 Form 4 ↗
Terrell Michael ADirector Sale −10.0K $3.06 $31K569.2Kindirect Mar 14, 2006Mar 15, 2006 Form 4 ↗
Terrell Michael ADirector Sale −5,000 $3.04 $15K579.2Kindirect Mar 14, 2006Mar 15, 2006 Form 4 ↗
Terrell Michael ADirector Sale −22.6K $3.01 $68K584.2Kindirect Jan 6, 2006Jan 10, 2006 Form 4 ↗
Terrell Michael ADirector Sale −17.4K $3.04 $53K606.8Kindirect Jan 6, 2006Jan 10, 2006 Form 4 ↗
Terrell Michael ADirector Sale −10.0K $3.05 $31K624.2Kindirect Jan 6, 2006Jan 10, 2006 Form 4 ↗
BRADFORD PETER J LPresident and CEO · Director Purchase +11.9K $2.85 $34K1.7Mdirect Dec 5, 2004Dec 5, 2007 Form 4 ↗

Source: SEC EDGAR Form 4 and Form 5 filings, SEC's quarterly bulk dataset through Jun 30, 2026, and KeyVex's half-hourly read of new filings since. Every row links its filing. Amendments are marked. Nothing here is a recommendation. All insider activity, market-wide →