Durkin Dennis M

Director at On Holding AG · on record since Mar 26, 2026
Director at Roblox Corp · on record since May 29, 2026
Chief Financial Officer at Activision Blizzard, Inc. · on record since Feb 14, 2019
Director at SMARTSHEET INC · on record since Aug 5, 2022

Insider trading activity of Durkin Dennis M

Transactions on record: 63; since Mar 8, 2012

Open-market buys: 4; $17.5K

Open-market sells: 14; $31.1M

Companies traded: 4; last filing Sep 28, 2026

Figures computed from official regulatory filings — .

Companies where Durkin Dennis M has traded

On Holding AG4 tx · $21.8K · Sep 28, 2026
Roblox Corp3 tx · May 29, 2026
SMARTSHEET INC1 tx · Aug 5, 2022
Activision Blizzard, Inc.55 tx · $56.7M · Apr 1, 2021

Track record of Durkin Dennis M

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

Transaction history of Durkin Dennis M

Co-insiders of Durkin Dennis M

Abdullah Alissa JameseSMARTSHEET INC
Alegre DanielActivision Blizzard, Inc.
Allemann David MichaelOn Holding AG
Altos Hybrid 2 GP, LLCRoblox Corp
Altos Hybrid 2, L.P.Roblox Corp
Altos Hybrid 2 P-FIO, LLCRoblox Corp
Altos Hybrid 2 V, LLCRoblox Corp
Altos Hybrid 3 B, LLCRoblox Corp
Altos Hybrid 3 GP, LLCRoblox Corp
Altos Hybrid 3 M, LLCRoblox Corp
Altos Hybrid 3 W, LLCRoblox Corp

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
On Holding AGListing on record	Sep 28, 2026	Other	-723	30.16 USD	$21.8K		SEC
On Holding AGListing on record	Sep 23, 2026	Award	2,892	—	n/a (No price was disclosed in the filing)		SEC
On Holding AGListing on record	Jun 24, 2026	Award	2,064	—	n/a (No price was disclosed in the filing)		SEC
Roblox CorpListing on record	May 29, 2026	Award	5,185	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
On Holding AGListing on record	Mar 26, 2026	Award	2,008	—	n/a (No price was disclosed in the filing)		SEC
Roblox CorpListing on record	Mar 23, 2026	Award	796	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Roblox CorpListing on record	Mar 23, 2026	Award	2,728	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Aug 5, 2022	AwardD (derivative)	9,734	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Activision Blizzard, Inc.Listing unverified	Apr 1, 2021	Other	-3,654	92.66 USD	$338.6K		SEC
Activision Blizzard, Inc.Listing unverified	Apr 1, 2021	Other	-27,648	92.66 USD	$2.6M		SEC
Activision Blizzard, Inc.Listing unverified	Apr 1, 2021	Other	-55,296	92.66 USD	$5.1M	Unusual size	SEC
Activision Blizzard, Inc.Listing unverified	Feb 12, 2021	Gift	-12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Activision Blizzard, Inc.Listing unverified	Aug 31, 2020	Sell	-50,000	83.51 USD	$4.2M		SEC
Activision Blizzard, Inc.Listing unverified	Aug 31, 2020	ExerciseD (derivative)	-50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Activision Blizzard, Inc.Listing unverified	Aug 31, 2020	Exercise	50,000	11.73 USD	$586.5K		SEC
Activision Blizzard, Inc.Listing unverified	Apr 1, 2020	Other	-45,670	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	Unusual size	SEC
Activision Blizzard, Inc.Listing unverified	Mar 12, 2019	Award	111,528	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Activision Blizzard, Inc.Listing unverified	Mar 12, 2019	Award	223,056	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Sell	-35	70.57 USD	$2.5K		SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Buy	100	80.89 USD	$8.1K	conv 33	SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Sell	-35	68.59 USD	$2.4K		SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Buy	20	80.54 USD	$1.6K	conv 33	SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Sell	-170	47.67 USD	$8.1K		SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Buy	70	53.26 USD	$3.7K	conv 24	SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Buy	50	81.48 USD	$4.1K	conv 52First in 12mo	SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
On Holding AGListing on record	Sep 28, 2026	Other	-723	30.16 USD	$21.8K		SEC
On Holding AGListing on record	Sep 23, 2026	Award	2,892	—	n/a (No price was disclosed in the filing)		SEC
On Holding AGListing on record	Jun 24, 2026	Award	2,064	—	n/a (No price was disclosed in the filing)		SEC
Roblox CorpListing on record	May 29, 2026	Award	5,185	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
On Holding AGListing on record	Mar 26, 2026	Award	2,008	—	n/a (No price was disclosed in the filing)		SEC
Roblox CorpListing on record	Mar 23, 2026	Award	796	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Roblox CorpListing on record	Mar 23, 2026	Award	2,728	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
SMARTSHEET INCListing unverified	Aug 5, 2022	AwardD (derivative)	9,734	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Activision Blizzard, Inc.Listing unverified	Apr 1, 2021	Other	-3,654	92.66 USD	$338.6K		SEC
Activision Blizzard, Inc.Listing unverified	Apr 1, 2021	Other	-27,648	92.66 USD	$2.6M		SEC
Activision Blizzard, Inc.Listing unverified	Apr 1, 2021	Other	-55,296	92.66 USD	$5.1M	Unusual size	SEC
Activision Blizzard, Inc.Listing unverified	Feb 12, 2021	Gift	-12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Activision Blizzard, Inc.Listing unverified	Aug 31, 2020	Sell	-50,000	83.51 USD	$4.2M		SEC
Activision Blizzard, Inc.Listing unverified	Aug 31, 2020	ExerciseD (derivative)	-50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Activision Blizzard, Inc.Listing unverified	Aug 31, 2020	Exercise	50,000	11.73 USD	$586.5K		SEC
Activision Blizzard, Inc.Listing unverified	Apr 1, 2020	Other	-45,670	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	Unusual size	SEC
Activision Blizzard, Inc.Listing unverified	Mar 12, 2019	Award	111,528	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Activision Blizzard, Inc.Listing unverified	Mar 12, 2019	Award	223,056	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Sell	-35	70.57 USD	$2.5K		SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Buy	100	80.89 USD	$8.1K	conv 33	SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Sell	-35	68.59 USD	$2.4K		SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Buy	20	80.54 USD	$1.6K	conv 33	SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Sell	-170	47.67 USD	$8.1K		SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Buy	70	53.26 USD	$3.7K	conv 24	SEC
Activision Blizzard, Inc.Listing unverified	Feb 14, 2019	Buy	50	81.48 USD	$4.1K	conv 52First in 12mo	SEC