Updated Jul 16, 2026
Lieber Robert C has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $2.06M.

Robert C. Lieber is listed as a director on the board of Tutor Perini Corp according to the most recent SEC filing dated May 21, 2026. The context provided includes his board role but does not supply additional biographical details such as education, career history, or prior board assignments. Based on the SEC filing context, he serves as a board director for Tutor Perini Corp.
| Role | Director |
|---|---|
| Notability | 52/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-29 | TPC | TUTOR PERINI CORP | G — Bona-fide gift | 7.5K | $0.00 | |
| 2026-05-29 | TPC | TUTOR PERINI CORP | S — Open-market sale | 17.5K | $75.36 | $1.32M |
| 2026-05-21 | TPC | TUTOR PERINI CORP | A — Grant or award | 2.3K | $0.00 | |
| 2026-05-21 | TPC | TUTOR PERINI CORP | S — Open-market sale | 10.0K | $74.25 | $742K |
Robert C. Lieber is listed as a director on the board of Tutor Perini Corp according to the most recent SEC filing dated May 21, 2026. The context provided includes his board role but does not supply additional biographical details such as education, career history, or prior board assignments. Based on the SEC filing context, he serves as a board director for Tutor Perini Corp.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($2.06M) 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.
Open the live Lieber Robert C profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.