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Who

Rochelle B. Lazarus

Director

Company insider

Files Form 4 as: Director, Organon & Co; Director, Blackstone; Director, Merck & Company; Director, GE Aerospace; Director, Merck Sharp & Dohme.

In numbers

Trades disclosed
192
Buys
2
Sells
6
Bought
$89K
Sold
$1.8M
Companies
5
Companies where not an officer
5
First trade
30 Dec 2005
Last trade
12 Jun 2026
Last filed
15 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
OGN Organon & CoDirector · Pharmaceuticals · last 12 Jun 20260 buys · 0 sells
BX BlackstoneDirector · Capital Markets & Asset Management · last 1 Apr 20260 buys · 4 sells
MRK Merck & CompanyDirector · Pharmaceuticals · last 31 Mar 20200 buys · 2 sells
GE GE AerospaceDirector · Electrical Equipment & Grid · last 2 Apr 20182 buys · 0 sells
Merck Sharp & DohmeDirector · last 3 Nov 20090 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
12 Jun 2026filed 15 Jun 2026OGN Organon & Cooption or derivative · PharmaceuticalsSEC FORM 4 Code A$240K17,857.143 at $13.44filing
12 Jun 2026filed 15 Jun 2026OGN Organon & Cooption or derivative · PharmaceuticalsSEC FORM 4 Code A$240K17,857.14 at $13.44filing
1 Apr 2026filed 3 Apr 2026BX BlackstoneCapital Markets & Asset ManagementSEC FORM 4 Code A—1,961 at $0.00filing
1 Apr 2026filed 3 Apr 2026BX BlackstoneCapital Markets & Asset ManagementSEC FORM 4 Code A—1,961 at $0.00filing
9 Jul 2025filed 10 Jul 2025BX BlackstoneCapital Markets & Asset ManagementSEC FORM 4 Code A—1,334 at $0.00filing
13 Jun 2025filed 16 Jun 2025OGN Organon & Cooption or derivative · PharmaceuticalsSEC FORM 4 Code A$240K23,904.38 at $10.04filing
9 Jul 2024filed 10 Jul 2024BX BlackstoneCapital Markets & Asset ManagementSEC FORM 4 Code A—1,736 at $0.00filing
7 Jun 2024filed 11 Jun 2024OGN Organon & Cooption or derivative · PharmaceuticalsSEC FORM 4 Code A$200K9,638.55 at $20.75filing
9 Jul 2023filed 11 Jul 2023BX BlackstoneCapital Markets & Asset ManagementSEC FORM 4 Code A—2,283 at $0.00filing
9 Jun 2023filed 13 Jun 2023OGN Organon & Cooption or derivative · PharmaceuticalsSEC FORM 4 Code A$200K10,086 at $19.83filing
9 Jul 2022filed 11 Jul 2022BX BlackstoneCapital Markets & Asset ManagementSEC FORM 4 Code A—2,181 at $0.00filing
10 Jun 2022filed 14 Jun 2022OGN Organon & Cooption or derivative · PharmaceuticalsSEC FORM 4 Code A$200K5,640 at $35.46filing
9 Jul 2021filed 13 Jul 2021BX BlackstoneCapital Markets & Asset ManagementSEC FORM 4 Code A—2,123 at $0.00filing
4 Jun 2021filed 8 Jun 2021OGN Organon & Cooption or derivative · PharmaceuticalsSEC FORM 4 Code A$316K8,772 at $36.05filing
9 Jul 2020filed 13 Jul 2020BX BlackstoneCapital Markets & Asset ManagementSEC FORM 4 Code A—3,933 at $0.00filing
31 Mar 2020filed 2 Apr 2020MRK Merck & Companyoption or derivative · PharmaceuticalsSEC FORM 4 Code A$30K389.91 at $76.94filing
31 Dec 2019filed 3 Jan 2020MRK Merck & Companyoption or derivative · PharmaceuticalsSEC FORM 4 Code A$29K316.11 at $90.95filing
30 Sep 2019filed 2 Oct 2019MRK Merck & Companyoption or derivative · PharmaceuticalsSEC FORM 4 Code A$29K341.53 at $84.18filing
9 Jul 2019filed 11 Jul 2019BX BlackstoneCapital Markets & Asset ManagementSEC FORM 4 Code A—4,566 at $0.00filing
28 Jun 2019filed 2 Jul 2019MRK Merck & Companyoption or derivative · PharmaceuticalsSEC FORM 4 Code A$29K342.87 at $83.85filing

News

Sectors

Financials4
Health Care2
Industrials2

Buys in green, sells in red, by the company’s sector.

Related people

Joseph BarattaDirector · Director at Blackstone, filing Form 4 there in the last year
John G. FinleyChief Legal Officer · Chief Legal Officer at Blackstone, filing Form 4 there in the last year
Ruth PoratPresident and CIO · Director at Blackstone, filing Form 4 there in the last year
David PayneChief Accounting Officer · Chief Accounting Officer at Blackstone, filing Form 4 there in the last year
Ferreira Juan Camilo ArjonaHead of R&D & CMO · Head of R&D & CMO at Organon & Co, filing Form 4 there in the last year
Maria Elvira SalazarRepresentative, FL-27 · Also traded MRK and GE in the last 90 days
Donald J. TrumpPresident · Also traded MRK and GE in the last 90 days
Chirfi GuindoEVP, Access, Policy & Comms · Also traded MRK in the last 90 days