http://www.streetinsider.com Latest StreetInsider.com News Articles en-us Copyright 2026, StreetInsider.com rss@streetinsider.com (SI RSS) rss@streetinsider.com (SI RSS) Mon, 20 Jul 2026 06:02:37 -0400 http://blogs.law.harvard.edu/tech/rss http://www.streetinsider.com/images/rss_logo.gif http://www.streetinsider.com 143 28 0 1 2 3 21 22 23 Saturday Sunday http://www.streetinsider.com/Corporate+News/Oppenheimer+hires+seven+derivatives+professionals+from+Guggenheim/26786489.html <p>Oppenheimer & Co. Inc., a subsidiary of Oppenheimer Holdings Inc. (NYSE: OPY), has added seven senior professionals to its Institutional Derivatives business, all joining from Guggenheim Securities.</p><p>The new hires span derivatives strategy, sales, trading and technology. The team includes Ed Boll as Head of Derivatives Strategy; Steve Ahn in derivatives strategy and idea generation; Matthew Shaffer in derivatives sales and trading; Steven Weingroff, Nick Colucci and Julia Marcus in derivatives sales; and Jia Li in derivatives algo technology. William Visconto will support the business in an external advisory capacity.</p><p>The team brings experience working with hedge funds, asset managers and other http://www.streetinsider.com/Corporate+News/Oppenheimer+hires+seven+derivatives+professionals+from+Guggenheim/26786489.html Mon, 20 Jul 2026 06:02:37 -0400 OPY http://www.streetinsider.com/Management+Changes/Oppenheimer+hires+seven+derivatives+professionals+from+Guggenheim/26786489.html <p>Oppenheimer & Co. Inc., a subsidiary of Oppenheimer Holdings Inc. (NYSE: OPY), has added seven senior professionals to its Institutional Derivatives business, all joining from Guggenheim Securities.</p><p>The new hires span derivatives strategy, sales, trading and technology. The team includes Ed Boll as Head of Derivatives Strategy; Steve Ahn in derivatives strategy and idea generation; Matthew Shaffer in derivatives sales and trading; Steven Weingroff, Nick Colucci and Julia Marcus in derivatives sales; and Jia Li in derivatives algo technology. William Visconto will support the business in an external advisory capacity.</p><p>The team brings experience working with hedge funds, asset managers and other http://www.streetinsider.com/Management+Changes/Oppenheimer+hires+seven+derivatives+professionals+from+Guggenheim/26786489.html Mon, 20 Jul 2026 06:02:37 -0400 OPY http://www.streetinsider.com/Press+Releases/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html <div class="xn-content"> <p class="prntac"><b><i>New capabilities broaden sector and product expertise while strengthening strategy, execution and collaboration across Oppenheimer's <span>Institutional Equities</span> platform</i></b></p><p><span class="legendSpanClass"><location value="LU/us.ny.nyc" idsrc="xmltag.org" >NEW YORK</location></span>, <span class="legendSpanClass"><chron>July 20, 2026</chron></span> /PRNewswire/ -- <span value="ACORN:5020248696" idsrc="xmltag.org" >Oppenheimer &amp; Co. Inc.</span> (Oppenheimer), a leading investment bank, wealth manager and subsidiary of <span value="NYSE:OPY" idsrc="xmltag.org" >Oppenheimer Holdings Inc.</span> (NYSE: OPY), today announced the expansion of its Institutional Derivatives business with the addition of seven senior professionals across derivatives strategy, sales, trading and technology.</p> <p>The team, which joins from <span value="ACORN:1418566739" idsrc="xmltag.org" >Guggenheim Securities</span>, includes <person>Ed Boll</person>, Head of Derivatives Strategy; <person>Steve Ahn</person>, Derivatives Strategy and http://www.streetinsider.com/Press+Releases/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html Mon, 20 Jul 2026 06:00:00 -0400 A.14185667 A.50202486 O.00047285 O.01658530 O.22066148 OPY http://www.streetinsider.com/Press+Releases/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html <div class="xn-content"> <p class="prntac"><b><i>New capabilities broaden sector and product expertise while strengthening strategy, execution and collaboration across Oppenheimer's <span>Institutional Equities</span> platform</i></b></p><p><span class="legendSpanClass"><location value="LU/us.ny.nyc" idsrc="xmltag.org" >NEW YORK</location></span>, <span class="legendSpanClass"><chron>July 20, 2026</chron></span> /PRNewswire/ -- <span value="ACORN:5020248696" idsrc="xmltag.org" >Oppenheimer &amp; Co. Inc.</span> (Oppenheimer), a leading investment bank, wealth manager and subsidiary of <span value="NYSE:OPY" idsrc="xmltag.org" >Oppenheimer Holdings Inc.</span> (NYSE: OPY), today announced the expansion of its Institutional Derivatives business with the addition of seven senior professionals across derivatives strategy, sales, trading and technology.</p> <p>The team, which joins from <span value="ACORN:1418566739" idsrc="xmltag.org" >Guggenheim Securities</span>, includes <person>Ed Boll</person>, Head of Derivatives Strategy; <person>Steve Ahn</person>, Derivatives Strategy and http://www.streetinsider.com/Press+Releases/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html Mon, 20 Jul 2026 06:00:00 -0400 A.14185667 A.50202486 O.00047285 O.01658530 O.22066148 OPY http://www.streetinsider.com/Press+Releases/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html <div class="xn-content"> <p class="prntac"><b><i>New capabilities broaden sector and product expertise while strengthening strategy, execution and collaboration across Oppenheimer's <span>Institutional Equities</span> platform</i></b></p><p><span class="legendSpanClass"><location value="LU/us.ny.nyc" idsrc="xmltag.org" >NEW YORK</location></span>, <span class="legendSpanClass"><chron>July 20, 2026</chron></span> /PRNewswire/ -- <span value="ACORN:5020248696" idsrc="xmltag.org" >Oppenheimer &amp; Co. Inc.</span> (Oppenheimer), a leading investment bank, wealth manager and subsidiary of <span value="NYSE:OPY" idsrc="xmltag.org" >Oppenheimer Holdings Inc.</span> (NYSE: OPY), today announced the expansion of its Institutional Derivatives business with the addition of seven senior professionals across derivatives strategy, sales, trading and technology.</p> <p>The team, which joins from <span value="ACORN:1418566739" idsrc="xmltag.org" >Guggenheim Securities</span>, includes <person>Ed Boll</person>, Head of Derivatives Strategy; <person>Steve Ahn</person>, Derivatives Strategy and http://www.streetinsider.com/Press+Releases/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html Mon, 20 Jul 2026 06:00:00 -0400 A.14185667 A.50202486 O.00047285 O.01658530 O.22066148 OPY http://www.streetinsider.com/Press+Releases/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html <div class="xn-content"> <p class="prntac"><b><i>New capabilities broaden sector and product expertise while strengthening strategy, execution and collaboration across Oppenheimer's <span>Institutional Equities</span> platform</i></b></p><p><span class="legendSpanClass"><location value="LU/us.ny.nyc" idsrc="xmltag.org" >NEW YORK</location></span>, <span class="legendSpanClass"><chron>July 20, 2026</chron></span> /PRNewswire/ -- <span value="ACORN:5020248696" idsrc="xmltag.org" >Oppenheimer &amp; Co. Inc.</span> (Oppenheimer), a leading investment bank, wealth manager and subsidiary of <span value="NYSE:OPY" idsrc="xmltag.org" >Oppenheimer Holdings Inc.</span> (NYSE: OPY), today announced the expansion of its Institutional Derivatives business with the addition of seven senior professionals across derivatives strategy, sales, trading and technology.</p> <p>The team, which joins from <span value="ACORN:1418566739" idsrc="xmltag.org" >Guggenheim Securities</span>, includes <person>Ed Boll</person>, Head of Derivatives Strategy; <person>Steve Ahn</person>, Derivatives Strategy and http://www.streetinsider.com/Press+Releases/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html Mon, 20 Jul 2026 06:00:00 -0400 A.14185667 A.50202486 O.00047285 O.01658530 O.22066148 OPY http://www.streetinsider.com/Press+Releases/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html <div class="xn-content"> <p class="prntac"><b><i>New capabilities broaden sector and product expertise while strengthening strategy, execution and collaboration across Oppenheimer's <span>Institutional Equities</span> platform</i></b></p><p><span class="legendSpanClass"><location value="LU/us.ny.nyc" idsrc="xmltag.org" >NEW YORK</location></span>, <span class="legendSpanClass"><chron>July 20, 2026</chron></span> /PRNewswire/ -- <span value="ACORN:5020248696" idsrc="xmltag.org" >Oppenheimer &amp; Co. Inc.</span> (Oppenheimer), a leading investment bank, wealth manager and subsidiary of <span value="NYSE:OPY" idsrc="xmltag.org" >Oppenheimer Holdings Inc.</span> (NYSE: OPY), today announced the expansion of its Institutional Derivatives business with the addition of seven senior professionals across derivatives strategy, sales, trading and technology.</p> <p>The team, which joins from <span value="ACORN:1418566739" idsrc="xmltag.org" >Guggenheim Securities</span>, includes <person>Ed Boll</person>, Head of Derivatives Strategy; <person>Steve Ahn</person>, Derivatives Strategy and http://www.streetinsider.com/Press+Releases/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html Mon, 20 Jul 2026 06:00:00 -0400 A.14185667 A.50202486 O.00047285 O.01658530 O.22066148 OPY http://www.streetinsider.com/Press+Releases/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html <div class="xn-content"> <p class="prntac"><b><i>New capabilities broaden sector and product expertise while strengthening strategy, execution and collaboration across Oppenheimer's <span>Institutional Equities</span> platform</i></b></p><p><span class="legendSpanClass"><location value="LU/us.ny.nyc" idsrc="xmltag.org" >NEW YORK</location></span>, <span class="legendSpanClass"><chron>July 20, 2026</chron></span> /PRNewswire/ -- <span value="ACORN:5020248696" idsrc="xmltag.org" >Oppenheimer &amp; Co. Inc.</span> (Oppenheimer), a leading investment bank, wealth manager and subsidiary of <span value="NYSE:OPY" idsrc="xmltag.org" >Oppenheimer Holdings Inc.</span> (NYSE: OPY), today announced the expansion of its Institutional Derivatives business with the addition of seven senior professionals across derivatives strategy, sales, trading and technology.</p> <p>The team, which joins from <span value="ACORN:1418566739" idsrc="xmltag.org" >Guggenheim Securities</span>, includes <person>Ed Boll</person>, Head of Derivatives Strategy; <person>Steve Ahn</person>, Derivatives Strategy and http://www.streetinsider.com/Press+Releases/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html Mon, 20 Jul 2026 06:00:00 -0400 A.14185667 A.50202486 O.00047285 O.01658530 O.22066148 OPY http://www.streetinsider.com/PRNewswire/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html <div class="xn-content"> <p class="prntac"><b><i>New capabilities broaden sector and product expertise while strengthening strategy, execution and collaboration across Oppenheimer's <span>Institutional Equities</span> platform</i></b></p><p><span class="legendSpanClass"><location value="LU/us.ny.nyc" idsrc="xmltag.org" >NEW YORK</location></span>, <span class="legendSpanClass"><chron>July 20, 2026</chron></span> /PRNewswire/ -- <span value="ACORN:5020248696" idsrc="xmltag.org" >Oppenheimer &amp; Co. Inc.</span> (Oppenheimer), a leading investment bank, wealth manager and subsidiary of <span value="NYSE:OPY" idsrc="xmltag.org" >Oppenheimer Holdings Inc.</span> (NYSE: OPY), today announced the expansion of its Institutional Derivatives business with the addition of seven senior professionals across derivatives strategy, sales, trading and technology.</p> <p>The team, which joins from <span value="ACORN:1418566739" idsrc="xmltag.org" >Guggenheim Securities</span>, includes <person>Ed Boll</person>, Head of Derivatives Strategy; <person>Steve Ahn</person>, Derivatives Strategy and http://www.streetinsider.com/PRNewswire/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html Mon, 20 Jul 2026 06:00:00 -0400 A.14185667 A.50202486 O.00047285 O.01658530 O.22066148 OPY http://www.streetinsider.com/PRNewswire/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html <div class="xn-content"> <p class="prntac"><b><i>New capabilities broaden sector and product expertise while strengthening strategy, execution and collaboration across Oppenheimer's <span>Institutional Equities</span> platform</i></b></p><p><span class="legendSpanClass"><location value="LU/us.ny.nyc" idsrc="xmltag.org" >NEW YORK</location></span>, <span class="legendSpanClass"><chron>July 20, 2026</chron></span> /PRNewswire/ -- <span value="ACORN:5020248696" idsrc="xmltag.org" >Oppenheimer &amp; Co. Inc.</span> (Oppenheimer), a leading investment bank, wealth manager and subsidiary of <span value="NYSE:OPY" idsrc="xmltag.org" >Oppenheimer Holdings Inc.</span> (NYSE: OPY), today announced the expansion of its Institutional Derivatives business with the addition of seven senior professionals across derivatives strategy, sales, trading and technology.</p> <p>The team, which joins from <span value="ACORN:1418566739" idsrc="xmltag.org" >Guggenheim Securities</span>, includes <person>Ed Boll</person>, Head of Derivatives Strategy; <person>Steve Ahn</person>, Derivatives Strategy and http://www.streetinsider.com/PRNewswire/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html Mon, 20 Jul 2026 06:00:00 -0400 A.14185667 A.50202486 O.00047285 O.01658530 O.22066148 OPY http://www.streetinsider.com/PRNewswire/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html <div class="xn-content"> <p class="prntac"><b><i>New capabilities broaden sector and product expertise while strengthening strategy, execution and collaboration across Oppenheimer's <span>Institutional Equities</span> platform</i></b></p><p><span class="legendSpanClass"><location value="LU/us.ny.nyc" idsrc="xmltag.org" >NEW YORK</location></span>, <span class="legendSpanClass"><chron>July 20, 2026</chron></span> /PRNewswire/ -- <span value="ACORN:5020248696" idsrc="xmltag.org" >Oppenheimer &amp; Co. Inc.</span> (Oppenheimer), a leading investment bank, wealth manager and subsidiary of <span value="NYSE:OPY" idsrc="xmltag.org" >Oppenheimer Holdings Inc.</span> (NYSE: OPY), today announced the expansion of its Institutional Derivatives business with the addition of seven senior professionals across derivatives strategy, sales, trading and technology.</p> <p>The team, which joins from <span value="ACORN:1418566739" idsrc="xmltag.org" >Guggenheim Securities</span>, includes <person>Ed Boll</person>, Head of Derivatives Strategy; <person>Steve Ahn</person>, Derivatives Strategy and http://www.streetinsider.com/PRNewswire/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html Mon, 20 Jul 2026 06:00:00 -0400 A.14185667 A.50202486 O.00047285 O.01658530 O.22066148 OPY http://www.streetinsider.com/PRNewswire/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html <div class="xn-content"> <p class="prntac"><b><i>New capabilities broaden sector and product expertise while strengthening strategy, execution and collaboration across Oppenheimer's <span>Institutional Equities</span> platform</i></b></p><p><span class="legendSpanClass"><location value="LU/us.ny.nyc" idsrc="xmltag.org" >NEW YORK</location></span>, <span class="legendSpanClass"><chron>July 20, 2026</chron></span> /PRNewswire/ -- <span value="ACORN:5020248696" idsrc="xmltag.org" >Oppenheimer &amp; Co. Inc.</span> (Oppenheimer), a leading investment bank, wealth manager and subsidiary of <span value="NYSE:OPY" idsrc="xmltag.org" >Oppenheimer Holdings Inc.</span> (NYSE: OPY), today announced the expansion of its Institutional Derivatives business with the addition of seven senior professionals across derivatives strategy, sales, trading and technology.</p> <p>The team, which joins from <span value="ACORN:1418566739" idsrc="xmltag.org" >Guggenheim Securities</span>, includes <person>Ed Boll</person>, Head of Derivatives Strategy; <person>Steve Ahn</person>, Derivatives Strategy and http://www.streetinsider.com/PRNewswire/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html Mon, 20 Jul 2026 06:00:00 -0400 A.14185667 A.50202486 O.00047285 O.01658530 O.22066148 OPY http://www.streetinsider.com/PRNewswire/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html <div class="xn-content"> <p class="prntac"><b><i>New capabilities broaden sector and product expertise while strengthening strategy, execution and collaboration across Oppenheimer's <span>Institutional Equities</span> platform</i></b></p><p><span class="legendSpanClass"><location value="LU/us.ny.nyc" idsrc="xmltag.org" >NEW YORK</location></span>, <span class="legendSpanClass"><chron>July 20, 2026</chron></span> /PRNewswire/ -- <span value="ACORN:5020248696" idsrc="xmltag.org" >Oppenheimer &amp; Co. Inc.</span> (Oppenheimer), a leading investment bank, wealth manager and subsidiary of <span value="NYSE:OPY" idsrc="xmltag.org" >Oppenheimer Holdings Inc.</span> (NYSE: OPY), today announced the expansion of its Institutional Derivatives business with the addition of seven senior professionals across derivatives strategy, sales, trading and technology.</p> <p>The team, which joins from <span value="ACORN:1418566739" idsrc="xmltag.org" >Guggenheim Securities</span>, includes <person>Ed Boll</person>, Head of Derivatives Strategy; <person>Steve Ahn</person>, Derivatives Strategy and http://www.streetinsider.com/PRNewswire/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html Mon, 20 Jul 2026 06:00:00 -0400 A.14185667 A.50202486 O.00047285 O.01658530 O.22066148 OPY http://www.streetinsider.com/PRNewswire/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html <div class="xn-content"> <p class="prntac"><b><i>New capabilities broaden sector and product expertise while strengthening strategy, execution and collaboration across Oppenheimer's <span>Institutional Equities</span> platform</i></b></p><p><span class="legendSpanClass"><location value="LU/us.ny.nyc" idsrc="xmltag.org" >NEW YORK</location></span>, <span class="legendSpanClass"><chron>July 20, 2026</chron></span> /PRNewswire/ -- <span value="ACORN:5020248696" idsrc="xmltag.org" >Oppenheimer &amp; Co. Inc.</span> (Oppenheimer), a leading investment bank, wealth manager and subsidiary of <span value="NYSE:OPY" idsrc="xmltag.org" >Oppenheimer Holdings Inc.</span> (NYSE: OPY), today announced the expansion of its Institutional Derivatives business with the addition of seven senior professionals across derivatives strategy, sales, trading and technology.</p> <p>The team, which joins from <span value="ACORN:1418566739" idsrc="xmltag.org" >Guggenheim Securities</span>, includes <person>Ed Boll</person>, Head of Derivatives Strategy; <person>Steve Ahn</person>, Derivatives Strategy and http://www.streetinsider.com/PRNewswire/Oppenheimer+Expands+Institutional+Derivatives+Platform+with+Senior+Team+Additions/26786363.html Mon, 20 Jul 2026 06:00:00 -0400 A.14185667 A.50202486 O.00047285 O.01658530 O.22066148 OPY http://www.streetinsider.com/SEC+Filings/Form++11-K+++++++OPPENHEIMER+HOLDINGS++++++For%3A+Dec+31/26610588.html si-local-file:///var/storage/secattach/20260605/26610588.html http://www.streetinsider.com/SEC+Filings/Form++11-K+++++++OPPENHEIMER+HOLDINGS++++++For%3A+Dec+31/26610588.html Fri, 05 Jun 2026 14:48:00 -0400 O.01658530 OPY http://www.streetinsider.com/SEC+Filings/Form++11-K+++++++OPPENHEIMER+HOLDINGS++++++For%3A+Dec+31/26610588.html si-local-file:///var/storage/secattach/20260605/26610588.html http://www.streetinsider.com/SEC+Filings/Form++11-K+++++++OPPENHEIMER+HOLDINGS++++++For%3A+Dec+31/26610588.html Fri, 05 Jun 2026 14:48:00 -0400 O.01658530 OPY http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+McNAMARA+DENNIS+P/26469055.html si-local-file:///var/storage/secattach/20260511/26469055.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+McNAMARA+DENNIS+P/26469055.html Mon, 11 May 2026 16:09:00 -0400 O.01658530 OPY http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+McNAMARA+DENNIS+P/26469055.html si-local-file:///var/storage/secattach/20260511/26469055.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+McNAMARA+DENNIS+P/26469055.html Mon, 11 May 2026 16:09:00 -0400 O.01658530 OPY http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+Watkins+Brad+M/26469056.html si-local-file:///var/storage/secattach/20260511/26469056.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+Watkins+Brad+M/26469056.html Mon, 11 May 2026 16:09:00 -0400 O.01658530 OPY http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+Watkins+Brad+M/26469056.html si-local-file:///var/storage/secattach/20260511/26469056.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+Watkins+Brad+M/26469056.html Mon, 11 May 2026 16:09:00 -0400 O.01658530 OPY http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+Lowenthal+Robert+S/26469058.html si-local-file:///var/storage/secattach/20260511/26469058.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+Lowenthal+Robert+S/26469058.html Mon, 11 May 2026 16:09:00 -0400 O.01658530 OPY http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+Lowenthal+Robert+S/26469058.html si-local-file:///var/storage/secattach/20260511/26469058.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+Lowenthal+Robert+S/26469058.html Mon, 11 May 2026 16:09:00 -0400 O.01658530 OPY http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+LOWENTHAL+ALBERT+G/26469067.html si-local-file:///var/storage/secattach/20260511/26469067.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+LOWENTHAL+ALBERT+G/26469067.html Mon, 11 May 2026 16:09:00 -0400 O.01658530 OPY http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+LOWENTHAL+ALBERT+G/26469067.html si-local-file:///var/storage/secattach/20260511/26469067.html http://www.streetinsider.com/SEC+Filings/Form++4++++++++++OPPENHEIMER+HOLDINGS++++++For%3A+Feb+06++Filed+by%3A+LOWENTHAL+ALBERT+G/26469067.html Mon, 11 May 2026 16:09:00 -0400 O.01658530 OPY http://www.streetinsider.com/SEC+Filings/Form++8-K++++++++OPPENHEIMER+HOLDINGS++++++For%3A+May+04/26431572.html si-local-file:///var/storage/secattach/20260505/26431572.html http://www.streetinsider.com/SEC+Filings/Form++8-K++++++++OPPENHEIMER+HOLDINGS++++++For%3A+May+04/26431572.html Tue, 05 May 2026 09:47:00 -0400 O.01658530 OPY