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.

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.
| Role | Insider |
|---|---|
| Notability | 55/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-02 | RGNX | REGENXBIO Inc. | A — Grant or award | 9.8K | $0.00 | |
| 2026-05-01 | MRK | Merck & Co., Inc. | F — Tax withholding / forfeiture | 1.5K | $110.03 | $160K |
| 2026-05-01 | MRK | Merck & Co., Inc. | M — Option exercise | 3.0K | $110.03 | $325K |
| 2026-02-09 | MRK | Merck & Co., Inc. | S — Open-market sale | 38.8K | $119.15 | $4.63M |
| 2026-02-09 | MRK | Merck & Co., Inc. | M — Option exercise | 38.8K | $119.15 | $4.63M |
| 2026-02-09 | MRK | Merck & Co., Inc. | S — Open-market sale | 56.8K | $119.15 | $6.77M |
| 2026-02-09 | MRK | Merck & Co., Inc. | M — Option exercise | 56.8K | $119.15 | $6.77M |
| 2026-02-09 | MRK | Merck & Co., Inc. | S — Open-market sale | 25.9K | $119.15 | $3.09M |
| 2026-02-09 | MRK | Merck & Co., Inc. | M — Option exercise | 25.9K | $119.15 | $3.09M |
| 2026-01-28 | MRK | Merck & Co., Inc. | A — Grant or award | 11.6K | $107.40 | $1.24M |
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…
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases () and 3 open-market sales ($14.49M) across all tracked 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.
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