The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 13, 2026 | Wilking Marnie Huss | Director | Grant(A) | 11K | — | — |
| May 13, 2026 | Richman Frederick A | Director | Grant(A) | 11K | — | — |
| May 13, 2026 | Coronado Julia Lynn | Director | Grant(A) | 11K | — | — |
| May 13, 2026 | Barsten Jana | Director | Grant(A) | 11K | — | — |
| May 13, 2026 | Pace Robert J | Director | Grant(A) | 11K | — | — |
| May 13, 2026 | Morial Marc | Director | Grant(A) | 11K | — | — |
| Mar 23, 2026 | Messmer Harold M JR | Chairman, Director | Grant(A) | 649 | — | $0 |
| Mar 23, 2026 | Messmer Harold M JR | Chairman, Director | Grant(A) | 44K | — | $0 |
| Mar 23, 2026 | Messmer Harold M JR | Chairman, Director | Tax withholding(F) | 6K | $24.82 | $146K |
| Mar 23, 2026 | Gentzkow Paul F | Pres & CEO Talent Solutions | Grant(A) | 2K | — | $0 |
| Mar 23, 2026 | Gentzkow Paul F | Pres & CEO Talent Solutions | Tax withholding(F) | 28K | $24.82 | $693K |
| Mar 23, 2026 | Gentzkow Paul F | Pres & CEO Talent Solutions | Grant(A) | 149K | — | $0 |
| Mar 23, 2026 | Glass Robert W | Executive Vice President | Tax withholding(F) | 6K | $24.82 | $152K |
| Mar 23, 2026 | Glass Robert W | Executive Vice President | Grant(A) | 450 | — | $0 |
| Mar 23, 2026 | Glass Robert W | Executive Vice President | Grant(A) | 20K | — | $0 |
| Mar 23, 2026 | Waddell M Keith | Chief Executive Officer, Director | Tax withholding(F) | 33K | $24.82 | $822K |
| Mar 23, 2026 | Waddell M Keith | Chief Executive Officer, Director | Grant(A) | 177K | — | $0 |
| Mar 23, 2026 | Waddell M Keith | Chief Executive Officer, Director | Grant(A) | 3K | — | $0 |
| Mar 23, 2026 | Buckley Michael C | Executive Vice President & CFO | Grant(A) | 845 | — | $0 |
| Mar 23, 2026 | Buckley Michael C | Executive Vice President & CFO | Grant(A) | 56K | — | $0 |
| Mar 23, 2026 | Buckley Michael C | Executive Vice President & CFO | Tax withholding(F) | 11K | $24.82 | $262K |
| Mar 23, 2026 | Tarantino Joseph A | President and CEO, Protiviti | Grant(A) | 81K | — | $0 |
| Mar 23, 2026 | Tarantino Joseph A | President and CEO, Protiviti | Grant(A) | 724 | — | $0 |
| Mar 23, 2026 | Tarantino Joseph A | President and CEO, Protiviti | Tax withholding(F) | 9K | $24.82 | $225K |
| Feb 28, 2026 | Tarantino Joseph A | President and CEO, Protiviti | Tax withholding(F) | 3K | $24.42 | $68K |
| Oct 28, 2025 | Kempthorne Dirk A | Director | Sell(S) | 7K | $28.87 | $188K |
| May 14, 2025 | Barsten Jana | Director | Grant(A) | 6K | — | — |
| May 14, 2025 | Coronado Julia Lynn | Director | Grant(A) | 6K | — | — |
| May 14, 2025 | Kempthorne Dirk A | Director | Grant(A) | 6K | — | — |
| May 14, 2025 | Morial Marc | Director | Grant(A) | 6K | — | — |
| May 14, 2025 | Pace Robert J | Director | Grant(A) | 6K | — | — |
| May 14, 2025 | Richman Frederick A | Director | Grant(A) | 6K | — | — |
| May 14, 2025 | Wilking Marnie Huss | Director | Grant(A) | 6K | — | — |
| Mar 25, 2025 | Glass Robert W | Executive Vice President | Grant(A) | 1K | — | $0 |
| Mar 25, 2025 | Glass Robert W | Executive Vice President | Tax withholding(F) | 5K | $53.43 | $279K |
| Mar 25, 2025 | Glass Robert W | Executive Vice President | Grant(A) | 11K | — | $0 |
| Mar 25, 2025 | Gentzkow Paul F | Pres & CEO Talent Solutions | Grant(A) | 72K | — | $0 |
| Mar 25, 2025 | Gentzkow Paul F | Pres & CEO Talent Solutions | Grant(A) | 4K | — | $0 |
| Mar 25, 2025 | Gentzkow Paul F | Pres & CEO Talent Solutions | Tax withholding(F) | 20K | $53.43 | $1.0M |
| Mar 25, 2025 | Tarantino Joseph A | President and CEO, Protiviti | Tax withholding(F) | 5K | $53.43 | $250K |
| Mar 25, 2025 | Tarantino Joseph A | President and CEO, Protiviti | Grant(A) | 39K | — | $0 |
| Mar 25, 2025 | Tarantino Joseph A | President and CEO, Protiviti | Grant(A) | 1K | — | $0 |
| Mar 25, 2025 | Buckley Michael C | Executive Vice President & CFO | Grant(A) | 2K | — | $0 |
| Mar 25, 2025 | Buckley Michael C | Executive Vice President & CFO | Grant(A) | 28K | — | $0 |
| Mar 25, 2025 | Buckley Michael C | Executive Vice President & CFO | Tax withholding(F) | 7K | $53.43 | $393K |
| Mar 25, 2025 | Messmer Harold M JR | Chairman, Director | Tax withholding(F) | 6K | $53.43 | $304K |
| Mar 25, 2025 | Messmer Harold M JR | Chairman, Director | Grant(A) | 1K | — | $0 |
| Mar 25, 2025 | Messmer Harold M JR | Chairman, Director | Grant(A) | 22K | — | $0 |
| Mar 25, 2025 | Waddell M Keith | Chief Executive Officer, Director | Tax withholding(F) | 23K | $53.43 | $1.2M |
| Mar 25, 2025 | Waddell M Keith | Chief Executive Officer, Director | Grant(A) | 5K | — | $0 |
| Mar 25, 2025 | Waddell M Keith | Chief Executive Officer, Director | Grant(A) | 85K | — | $0 |
| Mar 19, 2025 | Tarantino Joseph A | President and CEO, Protiviti | Tax withholding(F) | 816 | $54.50 | $44K |
| Feb 28, 2025 | Tarantino Joseph A | President and CEO, Protiviti | Tax withholding(F) | 2K | $59.09 | $117K |
| Dec 16, 2024 | Glass Robert W | Executive Vice President | Gift(G) | 1K | — | $0 |
| Dec 15, 2024 | Tarantino Joseph A | President and CEO, Protiviti | Tax withholding(F) | 2K | $76.10 | $126K |
| Dec 11, 2024 | Richman Frederick A | Director | Gift(G) | 4K | — | $0 |
| Nov 27, 2024 | Waddell M Keith | Chief Executive Officer, Director | Gift(G) | 14K | — | $0 |
| Nov 26, 2024 | Kempthorne Dirk A | Director | Sell(S) | 1K | $74.35 | $77K |
| Aug 1, 2024 | Kempthorne Dirk A | Director | Sell(S) | 1K | $63.09 | $82K |
| May 15, 2024 | Kempthorne Dirk A | Director | Grant(A) | 4K | — | — |
| May 15, 2024 | Barsten Jana | Director | Grant(A) | 4K | — | — |
| May 15, 2024 | Coronado Julia Lynn | Director | Grant(A) | 4K | — | — |
| May 15, 2024 | Morial Marc | Director | Grant(A) | 4K | — | — |
| May 15, 2024 | Pace Robert J | Director | Grant(A) | 4K | — | — |
| May 15, 2024 | Richman Frederick A | Director | Grant(A) | 4K | — | — |
| May 15, 2024 | Wilking Marnie Huss | Director | Grant(A) | 4K | — | — |
| May 8, 2024 | Kempthorne Dirk A | Director | Sell(S) | 2K | $69.66 | $155K |
| Mar 19, 2024 | Messmer Harold M JR | Executive Chairman, Director | Grant(A) | 15K | — | $0 |
| Mar 19, 2024 | Messmer Harold M JR | Executive Chairman, Director | Tax withholding(F) | 14K | $78.58 | $1.1M |
| Mar 19, 2024 | Messmer Harold M JR | Executive Chairman, Director | Grant(A) | 12K | — | $0 |
| Mar 19, 2024 | Waddell M Keith | Chief Executive Officer, Director | Grant(A) | 48K | — | $0 |
| Mar 19, 2024 | Waddell M Keith | Chief Executive Officer, Director | Tax withholding(F) | 58K | $78.58 | $4.5M |
| Mar 19, 2024 | Waddell M Keith | Chief Executive Officer, Director | Grant(A) | 58K | — | $0 |
| Mar 19, 2024 | Gentzkow Paul F | Pres & CEO Talent Solutions | Grant(A) | 41K | — | $0 |
| Mar 19, 2024 | Gentzkow Paul F | Pres & CEO Talent Solutions | Tax withholding(F) | 49K | $78.58 | $3.8M |
| Mar 19, 2024 | Gentzkow Paul F | Pres & CEO Talent Solutions | Grant(A) | 49K | — | $0 |
| Mar 19, 2024 | Glass Robert W | Executive Vice President | Grant(A) | 9K | — | $0 |
| Mar 19, 2024 | Glass Robert W | Executive Vice President | Grant(A) | 10K | — | $0 |
| Mar 19, 2024 | Glass Robert W | Executive Vice President | Tax withholding(F) | 13K | $78.58 | $994K |
| Mar 19, 2024 | Buckley Michael C | Executive Vice President & CFO | Grant(A) | 16K | — | $0 |
| Mar 19, 2024 | Buckley Michael C | Executive Vice President & CFO | Tax withholding(F) | 19K | $78.58 | $1.5M |
| Mar 19, 2024 | Buckley Michael C | Executive Vice President & CFO | Grant(A) | 19K | — | $0 |
| Mar 19, 2024 | Tarantino Joseph A | President and CEO, Protiviti | Tax withholding(F) | 11K | $78.58 | $899K |
| Mar 19, 2024 | Tarantino Joseph A | President and CEO, Protiviti | Grant(A) | 10K | — | $0 |
| Mar 19, 2024 | Tarantino Joseph A | President and CEO, Protiviti | Grant(A) | 36K | — | $0 |
| Mar 7, 2024 | Glass Robert W | Executive Vice President | Sell(S) | 8K | $80.46 | $603K |
| Feb 28, 2024 | Tarantino Joseph A | President and CEO, Protiviti | Tax withholding(F) | 2K | $80.17 | $159K |
| Feb 22, 2024 | Tarantino Joseph A | President and CEO, Protiviti | Gift(G) | 4K | — | $0 |
| Dec 15, 2023 | Tarantino Joseph A | President and CEO, Protiviti | Tax withholding(F) | 3K | $87.01 | $290K |
| Dec 7, 2023 | Gentzkow Paul F | Pres & CEO Talent Solutions | Gift(G) | 4K | — | $0 |
| Dec 6, 2023 | Richman Frederick A | Director | Gift(G) | 2K | — | $0 |
| Dec 1, 2023 | Glass Robert W | Executive Vice President | Gift(G) | 1K | — | $0 |
| Nov 30, 2023 | Glass Robert W | Executive Vice President | Sell(S) | 15K | $81.46 | $1.3M |
| Nov 28, 2023 | Waddell M Keith | Chief Executive Officer, Director | Gift(G) | 13K | — | $0 |
| Nov 13, 2023 | Morial Marc | Director | Sell(S) | 2K | $76.74 | $189K |
| Aug 29, 2023 | Glass Robert W | Executive Vice President | Sell(S) | 15K | $75.15 | $1.1M |
| Aug 8, 2023 | Kempthorne Dirk A | Director | Sell(S) | 2K | $74.15 | $152K |
| May 17, 2023 | Richman Frederick A | Director | Grant(A) | 4K | — | — |
| May 17, 2023 | Wilking Marnie Huss | Director | Grant(A) | 4K | — | — |
| May 17, 2023 | Pace Robert J | Director | Grant(A) | 4K | — | — |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-03-29 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).