Chu Timothy C

VP, General Counsel, Secretary at PHOENIX TECHNOLOGIES LTD · on record since May 1, 2007
General Counsel & SVP, HR at HARMONIC INC. · on record since May 19, 2026

Insider trading activity of Chu Timothy C

Transactions on record: 44; since May 1, 2007

Open-market buys: 0

Open-market sells: 0

Companies traded: 2; last filing Aug 18, 2026

Figures computed from official regulatory filings — .

Companies where Chu Timothy C has traded

HARMONIC INC.41 tx · $553.5K · Aug 18, 2026
PHOENIX TECHNOLOGIES LTD3 tx · $97.5K · Nov 24, 2010

Track record of Chu Timothy C

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

Transaction history of Chu Timothy C

Co-insiders of Chu Timothy C

ADEN MATTHEW JHARMONIC INC.
Admiral Advisors, LLCPHOENIX TECHNOLOGIES LTD
Andersen Robert JPHOENIX TECHNOLOGIES LTD
Arnold Richard WalkerPHOENIX TECHNOLOGIES LTD
AVER CAROLYN VHARMONIC INC.
Banga GauravPHOENIX TECHNOLOGIES LTD
Barnett Douglas EPHOENIX TECHNOLOGIES LTD
Ben-Natan NimrodHARMONIC INC.
BOLTEN RANDALLPHOENIX TECHNOLOGIES LTD
Bonasera CharlesHARMONIC INC.
C4S & CO LLCPHOENIX TECHNOLOGIES LTD
Carrington MarkHARMONIC INC.
CLAIR MICHAELPHOENIX TECHNOLOGIES LTD
Clifford DeborahHARMONIC INC.
COHEN PETER APHOENIX TECHNOLOGIES LTD
Copeland StephanieHARMONIC INC.
COVERT HAROLD LHARMONIC INC.
COWEN GROUP, INC.PHOENIX TECHNOLOGIES LTD
Crandall Dana LHARMONIC INC.
Deasy DavidPHOENIX TECHNOLOGIES LTD
Dev IndraneelHARMONIC INC.
DICKSON ROBIN NHARMONIC INC.
DURY DAVID SPHOENIX TECHNOLOGIES LTD
EADES TIMOTHY DPHOENIX TECHNOLOGIES LTD
Eichler David PaulPHOENIX TECHNOLOGIES LTD

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
HARMONIC INC.Listing on record	Aug 18, 2026	ExerciseD (derivative)	-6,053	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Aug 18, 2026	Other	-3,475	13.92 USD	$48.4K	SEC
HARMONIC INC.Listing on record	Aug 18, 2026	ExerciseD (derivative)	-3,823	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Aug 18, 2026	Exercise	9,876	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Aug 12, 2026	AwardD (derivative)	10,307	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	May 19, 2026	Other	-3,475	12.54 USD	$43.6K	SEC
HARMONIC INC.Listing on record	May 19, 2026	Exercise	9,876	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	May 19, 2026	ExerciseD (derivative)	-6,053	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	May 19, 2026	ExerciseD (derivative)	-3,823	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Mar 18, 2026	AwardD (derivative)	59,230	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Feb 17, 2026	ExerciseD (derivative)	-6,054	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Feb 17, 2026	ExerciseD (derivative)	-15,293	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Feb 17, 2026	ExerciseD (derivative)	-5,223	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Feb 17, 2026	Exercise	26,570	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Feb 17, 2026	Other	-9,925	10.68 USD	$106K	SEC
HARMONIC INC.Listing on record	Nov 18, 2025	ExerciseD (derivative)	-5,223	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Nov 18, 2025	Other	-3,968	9.56 USD	$37.9K	SEC
HARMONIC INC.Listing on record	Nov 18, 2025	Exercise	11,276	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Nov 18, 2025	ExerciseD (derivative)	-6,053	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Aug 19, 2025	ExerciseD (derivative)	-5,223	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Aug 19, 2025	ExerciseD (derivative)	-6,053	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Aug 19, 2025	Other	-3,968	8.97 USD	$35.6K	SEC
HARMONIC INC.Listing on record	Aug 19, 2025	Exercise	11,276	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	May 19, 2025	ExerciseD (derivative)	-6,053	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	May 19, 2025	ExerciseD (derivative)	-5,223	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
HARMONIC INC.Listing on record	Aug 18, 2026	ExerciseD (derivative)	-6,053	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Aug 18, 2026	Other	-3,475	13.92 USD	$48.4K	SEC
HARMONIC INC.Listing on record	Aug 18, 2026	ExerciseD (derivative)	-3,823	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Aug 18, 2026	Exercise	9,876	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Aug 12, 2026	AwardD (derivative)	10,307	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	May 19, 2026	Other	-3,475	12.54 USD	$43.6K	SEC
HARMONIC INC.Listing on record	May 19, 2026	Exercise	9,876	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	May 19, 2026	ExerciseD (derivative)	-6,053	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	May 19, 2026	ExerciseD (derivative)	-3,823	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Mar 18, 2026	AwardD (derivative)	59,230	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Feb 17, 2026	ExerciseD (derivative)	-6,054	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Feb 17, 2026	ExerciseD (derivative)	-15,293	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Feb 17, 2026	ExerciseD (derivative)	-5,223	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Feb 17, 2026	Exercise	26,570	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Feb 17, 2026	Other	-9,925	10.68 USD	$106K	SEC
HARMONIC INC.Listing on record	Nov 18, 2025	ExerciseD (derivative)	-5,223	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Nov 18, 2025	Other	-3,968	9.56 USD	$37.9K	SEC
HARMONIC INC.Listing on record	Nov 18, 2025	Exercise	11,276	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Nov 18, 2025	ExerciseD (derivative)	-6,053	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Aug 19, 2025	ExerciseD (derivative)	-5,223	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Aug 19, 2025	ExerciseD (derivative)	-6,053	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	Aug 19, 2025	Other	-3,968	8.97 USD	$35.6K	SEC
HARMONIC INC.Listing on record	Aug 19, 2025	Exercise	11,276	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	May 19, 2025	ExerciseD (derivative)	-6,053	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
HARMONIC INC.Listing on record	May 19, 2025	ExerciseD (derivative)	-5,223	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC