Larson Betty D (CIK 1617903) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-01). Recent activity: Buy MRK (2,085 shares), Sell MRK (715 shares), Buy MRK (11,350 shares), Sell MRK (5,143 shares), Buy MRK (11,350 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-01 | Merck & Co., Inc. (MRK) | EVP, Chief HR Officer | Buy | 2,085 | $229,413 |
| 2026-05-01 | Merck & Co., Inc. (MRK) | EVP, Chief HR Officer | Sell | 715 | $78,671 |
| 2026-05-01 | Merck & Co., Inc. (MRK) | EVP, Chief HR Officer | Buy | 11,350 | $1.3M |
| 2026-05-01 | Merck & Co., Inc. (MRK) | EVP, Chief HR Officer | Sell | 5,143 | $570,616 |
| 2025-05-02 | Merck & Co., Inc. (MRK) | EVP, Chief HR Officer | Buy | 11,350 | $961,458 |
| 2025-05-02 | Merck & Co., Inc. (MRK) | EVP, Chief HR Officer | Sell | 5,153 | $436,511 |
Source: SEC Form 4 filings · as of 2026-05-01