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  1. Home
  2. Insider Trading
  3. CARPENTER ROBERT J

CARPENTER ROBERT J

CIK: 0001021046
Director
Primary company: GENZYME CORP (GENZ)

CARPENTER ROBERT J is a corporate insider at GENZYME CORP (GENZ) filing SEC Form 4 transactions. 101 transactions across 3 companies, totaling $4,875,000 in purchases and $9,522,079 in sales. Source: SEC EDGAR.

Total Transactions
101
Total Buy Value
$4.88M
Total Sell Value
$9.52M
Net Activity
$-4.65M
Last Transaction
Jun 2025
Companies
3

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Company
Type
Shares
Price
Value
Shares After
Date
SEC
Immuneering Corp
IMRX
Award33,350$4.12$137K33,350
6/11/2026
Filed: 6/11/2026
Filing →
Immuneering Corp
IMRX
Award33,350$1.90$63K33,350
6/13/2025
Filed: 6/16/2025
Filing →
Immuneering Corp
IMRX
Award33,350--33,350
6/12/2024
Filed: 6/13/2024
Filing →
Immuneering Corp
IMRX
Award17,500$0.00$017,500
6/14/2023
Filed: 6/15/2023
Filing →
Immuneering Corp
IMRX
Award14,200$0.00$014,200
6/21/2022
Filed: 6/23/2022
Filing →
Immuneering Corp
IMRX
Conversion122,588--0
8/3/2021
Filed: 8/4/2021
Filing →
Immuneering Corp
IMRX
Conversion94,585--0
8/3/2021
Filed: 8/4/2021
Filing →
Immuneering Corp
IMRX
Purchase325,000$15.00$4.88M1,148,839
8/3/2021
Filed: 8/4/2021
Filing →
Immuneering Corp
IMRX
Conversion217,173--823,839
8/3/2021
Filed: 8/4/2021
Filing →
GENZYME CORP
GENZ
Disposition2,000$53.47$107K0
4/4/2011
Filed: 4/6/2011
Filing →
GENZYME CORP
GENZ
Disposition1,010$41.51$42K0
4/4/2011
Filed: 4/6/2011
Filing →
GENZYME CORP
GENZ
Disposition9,000$43.90$395K0
4/4/2011
Filed: 4/6/2011
Filing →
GENZYME CORP
GENZ
Disposition15,000$62.98$945K0
4/4/2011
Filed: 4/6/2011
Filing →
GENZYME CORP
GENZ
Disposition15,000$58.50$878K0
4/4/2011
Filed: 4/6/2011
Filing →
GENZYME CORP
GENZ
Disposition15,000$62.16$932K0
4/4/2011
Filed: 4/6/2011
Filing →
GENZYME CORP
GENZ
Disposition7,500$68.48$514K0
4/4/2011
Filed: 4/6/2011
Filing →
GENZYME CORP
GENZ
Disposition7,500$58.66$440K0
4/4/2011
Filed: 4/6/2011
Filing →
GENZYME CORP
GENZ
Disposition7,125$51.52$367K0
4/4/2011
Filed: 4/6/2011
Filing →
GENZYME CORP
GENZ
Disposition18,000$32.52$585K0
4/4/2011
Filed: 4/6/2011
Filing →
GENZYME CORP
GENZ
Exercise2,375$0.00$00
4/4/2011
Filed: 4/6/2011
Filing →
Immuneering Corp
IMRX
Type
Award
Shares
33,350
Price
$4.12
Value
$137K
Immuneering Corp
IMRX
Type
Award
Shares
33,350
Price
$1.90
Value
$63K
Immuneering Corp
IMRX
Type
Award
Shares
33,350
Price
-
Value
-
Immuneering Corp
IMRX
Type
Award
Shares
17,500
Price
$0.00
Value
$0
Immuneering Corp
IMRX
Type
Award
Shares
14,200
Price
$0.00
Value
$0
Immuneering Corp
IMRX
Type
Conversion
Shares
122,588
Price
-
Value
-
Immuneering Corp
IMRX
Type
Conversion
Shares
94,585
Price
-
Value
-
Immuneering Corp
IMRX
Type
Purchase
Shares
325,000
Price
$15.00
Value
$4.88M
Immuneering Corp
IMRX
Type
Conversion
Shares
217,173
Price
-
Value
-
GENZYME CORP
GENZ
Type
Disposition
Shares
2,000
Price
$53.47
Value
$107K
GENZYME CORP
GENZ
Type
Disposition
Shares
1,010
Price
$41.51
Value
$42K
GENZYME CORP
GENZ
Type
Disposition
Shares
9,000
Price
$43.90
Value
$395K
GENZYME CORP
GENZ
Type
Disposition
Shares
15,000
Price
$62.98
Value
$945K
GENZYME CORP
GENZ
Type
Disposition
Shares
15,000
Price
$58.50
Value
$878K
GENZYME CORP
GENZ
Type
Disposition
Shares
15,000
Price
$62.16
Value
$932K
GENZYME CORP
GENZ
Type
Disposition
Shares
7,500
Price
$68.48
Value
$514K
GENZYME CORP
GENZ
Type
Disposition
Shares
7,500
Price
$58.66
Value
$440K
GENZYME CORP
GENZ
Type
Disposition
Shares
7,125
Price
$51.52
Value
$367K
GENZYME CORP
GENZ
Type
Disposition
Shares
18,000
Price
$32.52
Value
$585K
GENZYME CORP
GENZ
Type
Exercise
Shares
2,375
Price
$0.00
Value
$0
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