Zachary Jennifer — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Zachary Jennifer has filed 3 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $14.49M.

Profile

Zachary Jennifer

Jennifer Zachary is the Executive Vice President and General Counsel of Merck & Co. (MRK) as reflected in SEC filings dated through January 28, 2026 (CIK 0001737231). In this role, she oversees Merck's global legal function, corporate governance, and regulatory compliance. The SEC filing indicates she has held the role of EVP, General Counsel at Merck, with no reported purchases or sales in the filing period.

RoleInsider
Notability55/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-02RGNXREGENXBIO Inc.A — Grant or award9.8K$0.00
2026-05-01MRKMerck & Co., Inc.F — Tax withholding / forfeiture1.5K$110.03$160K
2026-05-01MRKMerck & Co., Inc.M — Option exercise3.0K$110.03$325K
2026-02-09MRKMerck & Co., Inc.S — Open-market sale38.8K$119.15$4.63M
2026-02-09MRKMerck & Co., Inc.M — Option exercise38.8K$119.15$4.63M
2026-02-09MRKMerck & Co., Inc.S — Open-market sale56.8K$119.15$6.77M
2026-02-09MRKMerck & Co., Inc.M — Option exercise56.8K$119.15$6.77M
2026-02-09MRKMerck & Co., Inc.S — Open-market sale25.9K$119.15$3.09M
2026-02-09MRKMerck & Co., Inc.M — Option exercise25.9K$119.15$3.09M
2026-01-28MRKMerck & Co., Inc.A — Grant or award11.6K$107.40$1.24M

Companies — Last 90 Days

Frequently Asked Questions

Who is Zachary Jennifer?

Jennifer Zachary is the Executive Vice President and General Counsel of Merck & Co. (MRK) as reflected in SEC filings dated through January 28, 2026 (CIK 0001737231). In this role, she oversees Merck's global legal function, corporate governance, and regulatory compliance. The SEC filing indicates she has held the role of EVP, General Counsel at Merck, with no reported purchase…

How many SEC Form 4 filings has Zachary Jennifer submitted recently?

3 primary Form 4 filings in the last 90 days, covering 2 companies.

Has Zachary Jennifer been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 3 open-market sales ($14.49M) across all tracked filings.

Where can I see all of Zachary Jennifer's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live Zachary Jennifer profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.