Updated Jul 16, 2026
KUPPUSAMY KARTHIK has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $4.64M.
Karthik Kuppusamy is the Senior Vice President of Clinical Solutions at Quest Diagnostics, a leading provider of diagnostic testing and services in the United States. He has been involved in various roles within the company, contributing to its clinical testing and diagnostic solutions.
| Role | SVP, Clinical Solutions |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-08 | DGX | QUEST DIAGNOSTICS INC | S — Open-market sale | 8.1K | $200.00 | $1.63M |
| 2026-06-08 | DGX | QUEST DIAGNOSTICS INC | M — Option exercise | 4.8K | $121.81 | $588K |
| 2026-06-08 | DGX | QUEST DIAGNOSTICS INC | M — Option exercise | 3.3K | $127.72 | $424K |
| 2026-04-24 | DGX | QUEST DIAGNOSTICS INC | J — Other acquisition / disposition | 39 | $194.70 | $8K |
| 2026-03-06 | DGX | QUEST DIAGNOSTICS INC | S — Open-market sale | 2.6K | $204.86 | $538K |
| 2026-03-06 | DGX | QUEST DIAGNOSTICS INC | A — Grant or award | 6.2K | $204.86 | $1.27M |
| 2026-03-04 | DGX | QUEST DIAGNOSTICS INC | F — Tax withholding / forfeiture | 205 | $204.86 | $42K |
| 2026-02-20 | DGX | QUEST DIAGNOSTICS INC | J — Other acquisition / disposition | 16 | $183.52 | $3K |
| 2026-02-20 | DGX | QUEST DIAGNOSTICS INC | A — Grant or award | 2.1K | $0.00 | |
| 2026-02-20 | DGX | QUEST DIAGNOSTICS INC | F — Tax withholding / forfeiture | 259 | $206.99 | $54K |
| 2026-02-20 | DGX | QUEST DIAGNOSTICS INC | F — Tax withholding / forfeiture | 252 | $210.01 | $53K |
| 2025-08-13 | DGX | QUEST DIAGNOSTICS INC | F — Tax withholding / forfeiture | 123 | $175.91 | $22K |
| 2025-07-30 | DGX | QUEST DIAGNOSTICS INC | S — Open-market sale | 2.2K | $170.00 | $376K |
| 2025-07-30 | DGX | QUEST DIAGNOSTICS INC | S — Open-market sale | 5.2K | $167.40 | $874K |
| 2025-07-30 | DGX | QUEST DIAGNOSTICS INC | M — Option exercise | 5.2K | $112.17 | $586K |
| 2025-07-30 | DGX | QUEST DIAGNOSTICS INC | S — Open-market sale | 3.0K | $167.40 | $510K |
| 2025-07-30 | DGX | QUEST DIAGNOSTICS INC | M — Option exercise | 3.0K | $86.63 | $264K |
| 2025-07-21 | DGX | QUEST DIAGNOSTICS INC | J — Other acquisition / disposition | 27 | $167.50 | $5K |
| 2025-04-21 | DGX | QUEST DIAGNOSTICS INC | J — Other acquisition / disposition | 27 | $164.42 | $4K |
| 2025-04-02 | DGX | QUEST DIAGNOSTICS INC | S — Open-market sale | 2.6K | $170.00 | $434K |
Karthik Kuppusamy is the Senior Vice President of Clinical Solutions at Quest Diagnostics, a leading provider of diagnostic testing and services in the United States. He has been involved in various roles within the company, contributing to its clinical testing and diagnostic solutions.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 7 open-market sales ($4.64M) 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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