Blumenkranz Mark S.

Director at Adverum Biotechnologies, Inc. · on record since Jul 30, 2014
Director at Presbia PLC · on record since Jan 28, 2015
Former Director at Presbia PLC · on record since Aug 3, 2015
Director at Annexon, Inc. · on record since Aug 12, 2026
Director at 1Life Healthcare Inc · on record since Jan 30, 2020
Director at EMERGING VISION INC · on record since Jul 17, 2020
Director at KALA BIO, Inc. · on record since Nov 17, 2021

Insider trading activity of Blumenkranz Mark S.

Transactions on record: 100; since Aug 7, 2014

Open-market buys: 0

Open-market sells: 26; $10.4M

Companies traded: 6; last filing Aug 12, 2026

Figures computed from official regulatory filings — .

Companies where Blumenkranz Mark S. has traded

Annexon, Inc.1 tx · Aug 12, 2026
KALA BIO, Inc.20 tx · Jun 12, 2024
EMERGING VISION INC21 tx · Jul 13, 2023
1Life Healthcare Inc9 tx · $81.6K · Feb 24, 2023
Adverum Biotechnologies, Inc.48 tx · $10.4M · Feb 17, 2016
Presbia PLC1 tx · Mar 18, 2015

Track record of Blumenkranz Mark S.

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

Transaction history of Blumenkranz Mark S.

Co-insiders of Blumenkranz Mark S.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
Annexon, Inc.Listing on record	Aug 12, 2026	AwardD (derivative)	175,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KALA BIO, Inc.Listing on record	Jun 12, 2024	Award	1,400	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KALA BIO, Inc.Listing on record	Jun 12, 2024	AwardD (derivative)	3,150	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
EMERGING VISION INCListing unverified	Jul 13, 2023	OtherD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	Jul 13, 2023	OtherD (derivative)	-23,186	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	Jul 13, 2023	Other	-32,088	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	Jul 13, 2023	OtherD (derivative)	-7,500	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	Jul 13, 2023	OtherD (derivative)	-15,500	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	Jul 13, 2023	OtherD (derivative)	-31,000	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 23, 2023	Award	3,784	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KALA BIO, Inc.Listing on record	Jun 23, 2023	Award	1,100	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KALA BIO, Inc.Listing on record	Jun 23, 2023	AwardD (derivative)	5,046	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KALA BIO, Inc.Listing on record	Jun 23, 2023	AwardD (derivative)	2,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Award	1,640	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	OtherD (derivative)	-800	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Other	-2	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Other	-68	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Award	2,013	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	OtherD (derivative)	-840	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Award	65,634	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Award	497	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Other	-3	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	May 19, 2023	AwardD (derivative)	7,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
EMERGING VISION INCListing unverified	May 15, 2023	Exercise	14,588	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	May 15, 2023	ExerciseD (derivative)	-14,588	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
Annexon, Inc.Listing on record	Aug 12, 2026	AwardD (derivative)	175,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KALA BIO, Inc.Listing on record	Jun 12, 2024	Award	1,400	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KALA BIO, Inc.Listing on record	Jun 12, 2024	AwardD (derivative)	3,150	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
EMERGING VISION INCListing unverified	Jul 13, 2023	OtherD (derivative)	-5,000	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	Jul 13, 2023	OtherD (derivative)	-23,186	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	Jul 13, 2023	Other	-32,088	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	Jul 13, 2023	OtherD (derivative)	-7,500	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	Jul 13, 2023	OtherD (derivative)	-15,500	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	Jul 13, 2023	OtherD (derivative)	-31,000	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 23, 2023	Award	3,784	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KALA BIO, Inc.Listing on record	Jun 23, 2023	Award	1,100	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KALA BIO, Inc.Listing on record	Jun 23, 2023	AwardD (derivative)	5,046	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KALA BIO, Inc.Listing on record	Jun 23, 2023	AwardD (derivative)	2,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Award	1,640	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	OtherD (derivative)	-800	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Other	-2	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Other	-68	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Award	2,013	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	OtherD (derivative)	-840	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Award	65,634	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Award	497	—	n/a (No price was disclosed in the filing)	SEC
KALA BIO, Inc.Listing on record	Jun 2, 2023	Other	-3	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	May 19, 2023	AwardD (derivative)	7,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
EMERGING VISION INCListing unverified	May 15, 2023	Exercise	14,588	—	n/a (No price was disclosed in the filing)	SEC
EMERGING VISION INCListing unverified	May 15, 2023	ExerciseD (derivative)	-14,588	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC