Troy Lahr was named Chief Financial Officer of Booz Allen Hamilton Holding Corp, effective May 4, 2026. As of November 6, 2026, Booz Allen Hamilton Holding Corp has reported 2 leadership change filings to the SEC under Item 5.02 of Form 8-K, from April 27, 2026 to May 12, 2026, naming 4 appointments (Form 8-K, April 27, 2026).
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Booz Allen Hamilton Holding Corp reported changes in 2 filings among its directors and officers to the SEC on Form 8-K, Item 5.02, from 2026-04-27 to 2026-05-12. They name 3 people. Every row below is cited to the filing it comes from, and this page adds each new change as Booz Allen Hamilton Holding Corp files it.
Also on the record for Booz Allen Hamilton Holding Corp
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| August 14, 2026 | Stake report, Schedule 13G/A, by T. Rowe Price Associates, Inc. | 4.5% of the class | 5%+ stakes | Source |
| August 14, 2026 | Stake report, Schedule 13G/A, by T. Rowe Price Investment Management, Inc. | 3.6% of the class | 5%+ stakes | Source |
| August 6, 2026 | Stake report, Schedule 13G, by PRIMECAP MANAGEMENT CO/CA/ | 5.34% of the class | 5%+ stakes | Source |
| May 15, 2026 | Stake report, Schedule 13G, by T. Rowe Price Associates, Inc. | 5.5% of the class | 5%+ stakes | Source |
| May 15, 2026 | Stake report, Schedule 13G/A, by T. Rowe Price Investment Management, Inc. | 5% of the class | 5%+ stakes | Source |
| April 29, 2026 | Stake report, Schedule 13G, by Vanguard Capital Management | 5.22% of the class | 5%+ stakes | Source |
| April 29, 2026 | Stake report, Schedule 13G, by Vanguard Portfolio Management | 6.55% of the class | 5%+ stakes | Source |
| March 26, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | — | 5%+ stakes | Source |
| February 17, 2026 | Stake report, Schedule 13G, by T. Rowe Price Investment Management, Inc. | 5.4% of the class | 5%+ stakes | Source |
| January 30, 2026 | Stake report, Schedule 13G/A, by The Vanguard Group | 11.49% of the class | 5%+ stakes | Source |
| January 8, 2026 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 10.8% of the class | 5%+ stakes | Source |
| October 17, 2025 | Stake report, Schedule 13G/A, by BlackRock, Inc. | 6.2% of the class | 5%+ stakes | Source |
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More on Booz Allen Hamilton Holding Corp and the records around it.
Booz Allen Hamilton Holding Corp elsewhere on the record
Companies that share a holder
- PRIMECAP MANAGEMENT CO/CA/ also filed stake reports on 24 other companies: Xencor Inc (Nov 2026), GRAIL, Inc. (Nov 2026), MARKETAXESS HOLDINGS INC (Nov 2026)
- T. Rowe Price Investment Management, Inc. also filed stake reports on 167 other companies: CABALETTA BIO INC (Nov 2026), MADISON SQUARE GARDEN SPORTS CORP (Nov 2026), MSG RANGERS CORP (Nov 2026)
- T. Rowe Price Associates, Inc. also filed stake reports on 191 other companies: PACIFIC BIOSCIENCES OF CALIF (Nov 2026), APARTMENT INVT & MGMT CO -A (Oct 2026), BETA BIONICS INC (Oct 2026)
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The newest 12 of 13 records.
Timeline
| Filed | In / out | Person | Role | Effective | Source |
|---|---|---|---|---|---|
| 2026-05-12 | In | Director | 2026-06-01 | 8-K, 2026-05-12 | |
| 2026-05-12 | In | 8-K, 2026-05-12 | |||
| 2026-04-27 | In | Chief Financial Officer | 2026-05-04 | 8-K, 2026-04-27 | |
| 2026-04-27 | In | Chief Operating Officer | 2026-05-01 | 8-K, 2026-04-27 |
Who leads Booz Allen Hamilton Holding Corp, as last reported?
For each role that changed in the filings below, the most recent change reported. A role that did not change in these filings is not listed.
- Director: Ryan Nolan, appointed, effective 2026-06-01 (filed 2026-05-12).
- Chief Financial Officer: Troy Lahr, appointed, effective 2026-05-04 (filed 2026-04-27).
- Chief Operating Officer: Kristine Martin Anderson, appointed, effective 2026-05-01 (filed 2026-04-27).
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Find candidates like Director at Booz Allen Hamilton Holding CorpEvery change, in the filing's words
Appointed: Ryan Nolan, Director, effective 2026-06-01
On May 7, 2026, the Board appointed Ryan Nolan as a new member of the Board, effective as of June 1, 2026, upon the recommendation of the Company's Nominating and Corporate Governance Committee.
Appointed: Ryan Nolan
Mr. Nolan has been appointed to serve on the Board's Audit Committee.
- On May 7, 2026, the Board of Directors (the "Board") of Booz Allen Hamilton Holding Corporation (the "Company"), upon the recommendation of the Company's Nominating and Corporate Governance Committee of the Board, increased the number of directors serving on the Board from twelve to thirteen, effective as of June 1, 2026.
- Mr. Nolan will serve for a term expiring at the Company's 2026 annual meeting of stockholders.
- Mr. Nolan will receive a pro rata portion of the standard compensation for service on the Board.
- For the period beginning on August 1, 2025 through July 31, 2026, the standard compensation for the Company's unaffiliated directors is equal to $345,000, to be paid $225,000 in restricted shares of Class A Common Stock of the Company, par value $0.01 (the "Restricted Common Stock"), granted under our Equity Incentive Plan, and $120,000 in either cash, Restricted Common Stock, or a combination thereof, as elected by the director.
- In addition, the Company will enter into an indemnification agreement with Mr. Nolan pursuant to which the Company is required to indemnify Mr. Nolan against certain liabilities which may arise by reason of his status or service as a director and to advance expenses to him, subject to reimbursement if it is determined that he is not entitled to indemnification.
Appointed: Troy Lahr, Chief Financial Officer, effective 2026-05-04
On April 21, 2026, the Board of Directors (the "Board") of Booz Allen Hamilton Holding Corporation (the "Company") appointed Troy Lahr as Executive Vice President and Chief Financial Officer (Principal Financial Officer) of the Company, effective May 4, 2026.
Appointed: Kristine Martin Anderson, Chief Operating Officer, effective 2026-05-01
Leadership Team Updates On April 21, 2026, the Board of Directors of the Company appointed Kristine Martin Anderson, the Company's Chief Operating Officer, to the additional role of President, effective May 1, 2026.
- Mr. Lahr, age 52, previously served as Senior Vice President and Chief Financial Officer at Sierra Space.
- Prior to joining Sierra Space, Mr. Lahr spent approximately ten years at Boeing (NYSE: BA) serving in roles of increasing responsibility, most recently serving as Chief Financial Officer for Boeing's Defense, Space & Security business.
- Prior to joining Boeing, Mr. Lahr spent twelve years at Stifel Financial Corporation as an equity analyst researching the aerospace & defense industry.
- Mr. Lahr holds a bachelor's degree from the University of Maryland Baltimore County and a master's degree in finance from Loyola University.
- In connection with and effective as of Mr. Lahr's appointment as Chief Financial Officer, Kristine Martin Anderson, the Company's Executive Vice President, Chief Operating Officer, and Interim Chief Financial Officer, will no longer serve as Interim Chief Financial Officer and Principal Financial Officer.
- Ms. Anderson will continue to report to Horacio Rozanski, who shall remain Chairman and Chief Executive Officer of the Company.
- Additionally, the Company is announcing role changes within the Leadership Team.
- Effective May 1, 2026, Shannon Fitzgerald, the Company's Executive Vice President and Chief Strategy Officer, will be promoted to President of the Civil Sector.
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Where this comes from
A public company must file a current report on Form 8-K with the SEC within four business days when a director leaves or is elected, or when its chief executive, chief financial, chief accounting or chief operating officer, or another named executive, departs or is appointed. That disclosure goes under Item 5.02 of the report.
Every change on this page is taken from one of those filings and quoted in the company's own words, with a link to the filing, so it can be checked at the source. Where a filing names the person, the role and the date a change takes effect, they are shown beside the quote. Where it does not, the quote stands on its own. A filing states what changed; it rarely states why, and neither does this page.