Oki Mark K

Chief Financial Officer at ACHIEVE LIFE SCIENCES, INC. · on record since Dec 9, 2024
Former SVP, CFO, Secretary at Alexza Pharmaceuticals Inc. · on record since Jan 19, 2016
Chief Financial Officer & CAO at VIVUS INC · on record since May 15, 2019
Chief Financial Officer at AYTU BIOPHARMA, INC · on record since Jan 19, 2022

Insider trading activity of Oki Mark K

Transactions on record: 45; since Feb 24, 2011

Open-market buys: 3; $90.3K

Open-market sells: 3; $198.4K

Companies traded: 4; last filing Jan 30, 2026

Figures computed from official regulatory filings — .

Companies where Oki Mark K has traded

ACHIEVE LIFE SCIENCES, INC.8 tx · $175.1K · Jan 30, 2026
AYTU BIOPHARMA, INC3 tx · $41.4K · Nov 28, 2022
VIVUS INC11 tx · $46.3K · Jan 31, 2020
Alexza Pharmaceuticals Inc.23 tx · $245.6K · Jul 24, 2015

Track record of Oki Mark K

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

Transaction history of Oki Mark K

Co-insiders of Oki Mark K

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
ACHIEVE LIFE SCIENCES, INC.Listing on record	Jan 30, 2026	AwardD (derivative)	180,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Sep 22, 2025	ExerciseD (derivative)	-168,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Sep 22, 2025	Sell	-50,060	2.92 USD	$146.2K		SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Sep 22, 2025	Exercise	168,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Sep 8, 2025	AwardD (derivative)	-168,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Mar 19, 2025	Buy	10,000	2.89 USD	$28.9K	conv 94First in 12mo	SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Dec 9, 2024	AwardD (derivative)	168,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Dec 9, 2024	AwardD (derivative)	72,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AYTU BIOPHARMA, INCListing on record	Nov 28, 2022	Buy	90,000	0.23 USD	$20.7K	conv 97First in 12mo	SEC
AYTU BIOPHARMA, INCListing on record	Nov 21, 2022	Award	90,000	0.23 USD	$20.7K		SEC
AYTU BIOPHARMA, INCListing on record	Jan 19, 2022	Award	100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Jan 31, 2020	AwardD (derivative)	32,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Nov 18, 2019	Award	700	2.38 USD	$1.7K		SEC
VIVUS INCListing unverified	May 15, 2019	Award	700	2.84 USD	$2K		SEC
VIVUS INCListing unverified	Jan 25, 2019	AwardD (derivative)	32,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Nov 16, 2018	Award	700	2.71 USD	$1.9K		SEC
VIVUS INCListing unverified	Nov 7, 2018	Buy	10,000	4.07 USD	$40.7K	conv 100First in 12mo	SEC
VIVUS INCListing unverified	May 2, 2018	AwardD (derivative)	200,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Feb 6, 2018	AwardD (derivative)	350,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Jan 31, 2017	AwardD (derivative)	385,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Jan 26, 2016	AwardD (derivative)	93,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Nov 3, 2015	AwardD (derivative)	225,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	Jul 24, 2015	AwardD (derivative)	125,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	Jun 30, 2014	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	Apr 2, 2013	Award	43,750	4.42 USD	$193.4K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
ACHIEVE LIFE SCIENCES, INC.Listing on record	Jan 30, 2026	AwardD (derivative)	180,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Sep 22, 2025	ExerciseD (derivative)	-168,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Sep 22, 2025	Sell	-50,060	2.92 USD	$146.2K		SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Sep 22, 2025	Exercise	168,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Sep 8, 2025	AwardD (derivative)	-168,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Mar 19, 2025	Buy	10,000	2.89 USD	$28.9K	conv 94First in 12mo	SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Dec 9, 2024	AwardD (derivative)	168,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ACHIEVE LIFE SCIENCES, INC.Listing on record	Dec 9, 2024	AwardD (derivative)	72,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
AYTU BIOPHARMA, INCListing on record	Nov 28, 2022	Buy	90,000	0.23 USD	$20.7K	conv 97First in 12mo	SEC
AYTU BIOPHARMA, INCListing on record	Nov 21, 2022	Award	90,000	0.23 USD	$20.7K		SEC
AYTU BIOPHARMA, INCListing on record	Jan 19, 2022	Award	100,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Jan 31, 2020	AwardD (derivative)	32,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Nov 18, 2019	Award	700	2.38 USD	$1.7K		SEC
VIVUS INCListing unverified	May 15, 2019	Award	700	2.84 USD	$2K		SEC
VIVUS INCListing unverified	Jan 25, 2019	AwardD (derivative)	32,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Nov 16, 2018	Award	700	2.71 USD	$1.9K		SEC
VIVUS INCListing unverified	Nov 7, 2018	Buy	10,000	4.07 USD	$40.7K	conv 100First in 12mo	SEC
VIVUS INCListing unverified	May 2, 2018	AwardD (derivative)	200,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Feb 6, 2018	AwardD (derivative)	350,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Jan 31, 2017	AwardD (derivative)	385,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Jan 26, 2016	AwardD (derivative)	93,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
VIVUS INCListing unverified	Nov 3, 2015	AwardD (derivative)	225,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	Jul 24, 2015	AwardD (derivative)	125,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	Jun 30, 2014	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Alexza Pharmaceuticals Inc.Listing unverified	Apr 2, 2013	Award	43,750	4.42 USD	$193.4K		SEC