KELLOGG PETER N

Director at YIELD10 BIOSCIENCE, INC. · on record since May 29, 2007
Director at ALNYLAM PHARMACEUTICALS, INC. · on record since May 22, 2026
Exe V-P & CFO at MERCK SHARP & DOHME LLC · on record since Nov 5, 2009
EVP - Finance, CFO at BIOGEN IDEC MA INC · on record since Nov 4, 2003
EVP, Finance and CFO at BIOGEN INC. · on record since Feb 22, 2005
SEE REMARKS at CELGENE CORP /DE/ · on record since May 17, 2018
SEE REMARKS at CELGENE CORP /DE/ · on record since May 8, 2018

Insider trading activity of KELLOGG PETER N

Transactions on record: 152; since Nov 4, 2003

Open-market buys: 5; $502.4K

Open-market sells: 8; $1.8M

Companies traded: 6; last filing May 22, 2026

Figures computed from official regulatory filings — .

Companies where KELLOGG PETER N has traded

ALNYLAM PHARMACEUTICALS, INC.6 tx · May 22, 2026
YIELD10 BIOSCIENCE, INC.22 tx · $28K · May 23, 2019
CELGENE CORP /DE/48 tx · $6.2M · Aug 1, 2018
MERCK SHARP & DOHME LLC49 tx · $12M · Feb 26, 2014
BIOGEN INC.26 tx · $2.9M · Mar 22, 2007
BIOGEN IDEC MA INC1 tx · $2.4K · Nov 4, 2003

Track record of KELLOGG PETER N

Open-market buys: 5

Last buy: Aug 12, 2011

Enough buys on record, but none of them has a 63-day return yet — this happens when the shares stopped trading, or when the buys are too recent. Win rates will appear once returns mature.

Transaction history of KELLOGG PETER N

Co-insiders of KELLOGG PETER N

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
ALNYLAM PHARMACEUTICALS, INC.Listing on record	May 22, 2026	Award	671	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ALNYLAM PHARMACEUTICALS, INC.Listing on record	May 22, 2026	AwardD (derivative)	1,441	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ALNYLAM PHARMACEUTICALS, INC.Listing on record	May 12, 2025	AwardD (derivative)	1,558	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ALNYLAM PHARMACEUTICALS, INC.Listing on record	May 12, 2025	Award	775	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ALNYLAM PHARMACEUTICALS, INC.Listing on record	May 20, 2024	AwardD (derivative)	5,228	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ALNYLAM PHARMACEUTICALS, INC.Listing on record	Mar 9, 2023	AwardD (derivative)	4,948	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	May 23, 2019	AwardD (derivative)	10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	Jan 3, 2019	AwardD (derivative)	6,128	0.76 USD	$4.7K		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	Oct 2, 2018	AwardD (derivative)	3,512	1.33 USD	$4.7K		SEC
CELGENE CORP /DE/Listing unverified	Aug 1, 2018	AwardD (derivative)	20,285	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	Jul 3, 2018	AwardD (derivative)	3,583	1.31 USD	$4.7K		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	May 25, 2018	AwardD (derivative)	10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CELGENE CORP /DE/Listing unverified	May 17, 2018	AwardD (derivative)	10,301	—	n/a (No price was disclosed in the filing)		SEC
CELGENE CORP /DE/Listing unverified	May 17, 2018	AwardD (derivative)	20,285	—	n/a (No price was disclosed in the filing)		SEC
CELGENE CORP /DE/Listing unverified	May 8, 2018	Other	-1,622	86.89 USD	$140.9K		SEC
CELGENE CORP /DE/Listing unverified	May 8, 2018	Exercise	3,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CELGENE CORP /DE/Listing unverified	May 8, 2018	ExerciseD (derivative)	-3,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	Apr 2, 2018	AwardD (derivative)	2,958	1.58 USD	$4.7K	Unusual size	SEC
CELGENE CORP /DE/Listing unverified	Feb 20, 2018	ExerciseD (derivative)	-7,283	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CELGENE CORP /DE/Listing unverified	Feb 20, 2018	Other	-2,329	95.26 USD	$221.9K		SEC
CELGENE CORP /DE/Listing unverified	Feb 20, 2018	Exercise	7,283	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CELGENE CORP /DE/Listing unverified	Feb 15, 2018	AwardD (derivative)	7,283	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CELGENE CORP /DE/Listing unverified	Jan 31, 2018	AwardD (derivative)	13,377	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	Jan 3, 2018	AwardD (derivative)	6,726	1.39 USD	$9.3K		SEC
CELGENE CORP /DE/Listing unverified	Dec 20, 2017	ExerciseD (derivative)	-3,410	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	Signals	Src
ALNYLAM PHARMACEUTICALS, INC.Listing on record	May 22, 2026	Award	671	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ALNYLAM PHARMACEUTICALS, INC.Listing on record	May 22, 2026	AwardD (derivative)	1,441	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ALNYLAM PHARMACEUTICALS, INC.Listing on record	May 12, 2025	AwardD (derivative)	1,558	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ALNYLAM PHARMACEUTICALS, INC.Listing on record	May 12, 2025	Award	775	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ALNYLAM PHARMACEUTICALS, INC.Listing on record	May 20, 2024	AwardD (derivative)	5,228	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
ALNYLAM PHARMACEUTICALS, INC.Listing on record	Mar 9, 2023	AwardD (derivative)	4,948	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	May 23, 2019	AwardD (derivative)	10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	Jan 3, 2019	AwardD (derivative)	6,128	0.76 USD	$4.7K		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	Oct 2, 2018	AwardD (derivative)	3,512	1.33 USD	$4.7K		SEC
CELGENE CORP /DE/Listing unverified	Aug 1, 2018	AwardD (derivative)	20,285	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	Jul 3, 2018	AwardD (derivative)	3,583	1.31 USD	$4.7K		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	May 25, 2018	AwardD (derivative)	10,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CELGENE CORP /DE/Listing unverified	May 17, 2018	AwardD (derivative)	10,301	—	n/a (No price was disclosed in the filing)		SEC
CELGENE CORP /DE/Listing unverified	May 17, 2018	AwardD (derivative)	20,285	—	n/a (No price was disclosed in the filing)		SEC
CELGENE CORP /DE/Listing unverified	May 8, 2018	Other	-1,622	86.89 USD	$140.9K		SEC
CELGENE CORP /DE/Listing unverified	May 8, 2018	Exercise	3,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CELGENE CORP /DE/Listing unverified	May 8, 2018	ExerciseD (derivative)	-3,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	Apr 2, 2018	AwardD (derivative)	2,958	1.58 USD	$4.7K	Unusual size	SEC
CELGENE CORP /DE/Listing unverified	Feb 20, 2018	ExerciseD (derivative)	-7,283	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CELGENE CORP /DE/Listing unverified	Feb 20, 2018	Other	-2,329	95.26 USD	$221.9K		SEC
CELGENE CORP /DE/Listing unverified	Feb 20, 2018	Exercise	7,283	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CELGENE CORP /DE/Listing unverified	Feb 15, 2018	AwardD (derivative)	7,283	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CELGENE CORP /DE/Listing unverified	Jan 31, 2018	AwardD (derivative)	13,377	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
YIELD10 BIOSCIENCE, INC.Listing on record	Jan 3, 2018	AwardD (derivative)	6,726	1.39 USD	$9.3K		SEC
CELGENE CORP /DE/Listing unverified	Dec 20, 2017	ExerciseD (derivative)	-3,410	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC