NEEDHAM INVESTMENT MANAGEMENT LLC

10% owner at DATALINK CORP · on record since Mar 28, 2006
10% owner at SOUTHWALL TECHNOLOGIES INC /DE/ · on record since Nov 25, 2011
10% owner at PRECISION OPTICS CORPORATION, INC. · on record since Apr 6, 2026

Insider trading activity of NEEDHAM INVESTMENT MANAGEMENT LLC

Transactions on record: 52; since Feb 10, 2006

Open-market buys: 0

Open-market sells: 39; $1.6M

Companies traded: 1; last filing Jul 18, 2006

Figures computed from official regulatory filings — .

Companies where NEEDHAM INVESTMENT MANAGEMENT LLC has traded

DATALINK CORP52 tx · $2.7M · Jul 18, 2006

Track record of NEEDHAM INVESTMENT MANAGEMENT LLC

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of NEEDHAM INVESTMENT MANAGEMENT LLC

Co-insiders of NEEDHAM INVESTMENT MANAGEMENT LLC

NEEDHAM GEORGE ADATALINK CORP +2
NEEDHAM CAPITAL MANAGMENT LLCDATALINK CORP +1
NEEDHAM EMERGING GROWTH PARTNERS LPDATALINK CORP +1
NEEDHAM MANAGEMENT PARTNERS L PDATALINK CORP +1
Anania Peter V.PRECISION OPTICS CORPORATION, INC.
Arbon R MichaelPRECISION OPTICS CORPORATION, INC.
AUSTIN MAURYSOUTHWALL TECHNOLOGIES INC /DE/
AWM Investment Company, Inc.PRECISION OPTICS CORPORATION, INC.
Bain Capital Life Sciences Investors, LLCSOUTHWALL TECHNOLOGIES INC /DE/
BARNUM GREGORY TDATALINK CORP
BENJAMIN EDWARD APRECISION OPTICS CORPORATION, INC.
Bergstrom NeilSOUTHWALL TECHNOLOGIES INC /DE/
BERRY WILLIAM ASOUTHWALL TECHNOLOGIES INC /DE/
BEYER ROBERT RDATALINK CORP
Blackey Brent GDATALINK CORP
BOYADJIEFF GEORGESOUTHWALL TECHNOLOGIES INC /DE/
Browne Leslie JSOUTHWALL TECHNOLOGIES INC /DE/
BUNDAY DENNIS ESOUTHWALL TECHNOLOGIES INC /DE/
Burak Mallorie SaraSOUTHWALL TECHNOLOGIES INC /DE/
CAPOVILLA DENNISSOUTHWALL TECHNOLOGIES INC /DE/
Clary Karen E.DATALINK CORP
COLL WAYNE MPRECISION OPTICS CORPORATION, INC.
CORNELL LOIS ANNSOUTHWALL TECHNOLOGIES INC /DE/
Dahill Edward KevinPRECISION OPTICS CORPORATION, INC.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
DATALINK CORPListing unverified	Jul 18, 2006	Sell	-1,700	6.75	$11.5K		SEC
DATALINK CORPListing unverified	Jul 18, 2006	Sell	-4,800	6.75	$32.4K		SEC
DATALINK CORPListing unverified	Jul 18, 2006	Sell	-10,650	6.75	$71.9K		SEC
DATALINK CORPListing unverified	Jul 18, 2006	Sell	-700	6.75	$4.7K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-7,775	5.92	$46K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-39,913	4.65	$185.6K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-27,145	5.10	$138.4K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-6,000	6.18	$37.1K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-455	6.10	$2.8K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Other	4,000	4.50	$18K	Unusual size	SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-40,087	4.50	$180.4K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-650	6.32	$4.1K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-8,080	6.18	$49.9K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-3,500	4.30	$15.1K	Unusual size	SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-1,815	6.17	$11.2K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Other	26,000	4.50	$117K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-200	6.17	$1.2K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-1,500	6.32	$9.5K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-2,435	6.10	$14.9K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-1,445	5.92	$8.6K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-2,150	6.32	$13.6K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-32,948	5.08	$167.4K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-3,780	5.92	$22.4K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-3,500	6.17	$21.6K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-2,500	4.16	$10.4K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
DATALINK CORPListing unverified	Jul 18, 2006	Sell	-1,700	6.75	$11.5K		SEC
DATALINK CORPListing unverified	Jul 18, 2006	Sell	-4,800	6.75	$32.4K		SEC
DATALINK CORPListing unverified	Jul 18, 2006	Sell	-10,650	6.75	$71.9K		SEC
DATALINK CORPListing unverified	Jul 18, 2006	Sell	-700	6.75	$4.7K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-7,775	5.92	$46K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-39,913	4.65	$185.6K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-27,145	5.10	$138.4K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-6,000	6.18	$37.1K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-455	6.10	$2.8K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Other	4,000	4.50	$18K	Unusual size	SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-40,087	4.50	$180.4K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-650	6.32	$4.1K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-8,080	6.18	$49.9K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-3,500	4.30	$15.1K	Unusual size	SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-1,815	6.17	$11.2K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Other	26,000	4.50	$117K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-200	6.17	$1.2K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-1,500	6.32	$9.5K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-2,435	6.10	$14.9K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-1,445	5.92	$8.6K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-2,150	6.32	$13.6K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-32,948	5.08	$167.4K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-3,780	5.92	$22.4K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-3,500	6.17	$21.6K		SEC
DATALINK CORPListing unverified	Jun 12, 2006	Sell	-2,500	4.16	$10.4K		SEC