KHOSLA CHAITAN PHD

Director at KOSAN BIOSCIENCES INC · on record since Mar 16, 2006
Director at GridAI Technologies Corp. · on record since Mar 15, 2024
Director at Protagonist Therapeutics, Inc · on record since Sep 28, 2016

Insider trading activity of KHOSLA CHAITAN PHD

Transactions on record: 176; since Jul 28, 2003

Open-market buys: 0

Open-market sells: 140; $1.4M

Companies traded: 3; last filing Jun 12, 2024

Figures computed from official regulatory filings — .

Companies where KHOSLA CHAITAN PHD has traded

GridAI Technologies Corp.4 tx · Jun 12, 2024
Protagonist Therapeutics, Inc11 tx · $47.7K · Aug 12, 2020
KOSAN BIOSCIENCES INC161 tx · $1.4M · Jun 27, 2008

Track record of KHOSLA CHAITAN PHD

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

Transaction history of KHOSLA CHAITAN PHD

Co-insiders of KHOSLA CHAITAN PHD

Adage Capital Advisors, L.L.C.Protagonist Therapeutics, Inc
ADAGE CAPITAL PARTNERS GP LLCProtagonist Therapeutics, Inc
ADAGE CAPITAL PARTNERS LPProtagonist Therapeutics, Inc
Ali AsifProtagonist Therapeutics, Inc
Atchinson RobertProtagonist Therapeutics, Inc
BALK MATTHEWGridAI Technologies Corp.
BORKOWSKI EDWARDGridAI Technologies Corp.
Canaan Partners X LLCProtagonist Therapeutics, Inc
CANAAN X L.P.Protagonist Therapeutics, Inc
CASAMENTO CHARLES JGridAI Technologies Corp.
CHABNER BRUCE A MDKOSAN BIOSCIENCES INC
Clemens KevanKOSAN BIOSCIENCES INC
Coelho Mary TheresaGridAI Technologies Corp.
Cohen Pamela SarahKOSAN BIOSCIENCES INC
Corbett EricGridAI Technologies Corp.
DAVIS PETER PHDKOSAN BIOSCIENCES INC
De Jager RobertKOSAN BIOSCIENCES INC
DELEAGE JEANKOSAN BIOSCIENCES INC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
GridAI Technologies Corp.Listing unverified	Jun 12, 2024	Award	24,889	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
GridAI Technologies Corp.Listing unverified	Mar 15, 2024	AwardD (derivative)	140.7	—	n/a (No price was disclosed in the filing)	SEC
GridAI Technologies Corp.Listing unverified	Mar 15, 2024	AwardD (derivative)	52,980	—	n/a (No price was disclosed in the filing)	SEC
GridAI Technologies Corp.Listing unverified	Mar 15, 2024	Award	440	—	n/a (No price was disclosed in the filing)	SEC
Protagonist Therapeutics, IncListing on record	Aug 12, 2020	Sell	-2,499	17.19 USD	$43K	SEC
Protagonist Therapeutics, IncListing on record	Aug 12, 2020	ExerciseD (derivative)	-2,499	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Aug 12, 2020	Exercise	2,499	1.89 USD	$4.7K	SEC
Protagonist Therapeutics, IncListing on record	May 29, 2020	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Apr 8, 2020	AwardD (derivative)	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Jun 11, 2019	AwardD (derivative)	12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Apr 2, 2019	AwardD (derivative)	3,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Jun 12, 2018	AwardD (derivative)	12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	May 26, 2017	AwardD (derivative)	12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Sep 28, 2016	AwardD (derivative)	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Sep 15, 2016	AwardD (derivative)	24,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-7,500	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-3,750	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-75,000	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-10,000	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	Other	-116,442	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	Other	-1,346,585	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
GridAI Technologies Corp.Listing unverified	Jun 12, 2024	Award	24,889	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
GridAI Technologies Corp.Listing unverified	Mar 15, 2024	AwardD (derivative)	140.7	—	n/a (No price was disclosed in the filing)	SEC
GridAI Technologies Corp.Listing unverified	Mar 15, 2024	AwardD (derivative)	52,980	—	n/a (No price was disclosed in the filing)	SEC
GridAI Technologies Corp.Listing unverified	Mar 15, 2024	Award	440	—	n/a (No price was disclosed in the filing)	SEC
Protagonist Therapeutics, IncListing on record	Aug 12, 2020	Sell	-2,499	17.19 USD	$43K	SEC
Protagonist Therapeutics, IncListing on record	Aug 12, 2020	ExerciseD (derivative)	-2,499	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Aug 12, 2020	Exercise	2,499	1.89 USD	$4.7K	SEC
Protagonist Therapeutics, IncListing on record	May 29, 2020	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Apr 8, 2020	AwardD (derivative)	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Jun 11, 2019	AwardD (derivative)	12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Apr 2, 2019	AwardD (derivative)	3,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Jun 12, 2018	AwardD (derivative)	12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	May 26, 2017	AwardD (derivative)	12,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Sep 28, 2016	AwardD (derivative)	5,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Protagonist Therapeutics, IncListing on record	Sep 15, 2016	AwardD (derivative)	24,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-7,500	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-3,750	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-75,000	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-10,000	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	Other	-116,442	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	Other	-1,346,585	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)	SEC
KOSAN BIOSCIENCES INCListing unverified	Jun 27, 2008	OtherD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)	SEC