Michael Stuart Klein

President, Citigroup.

Companies

Churchill Capital Corp XIIIBoard member Jul 30, 2026 to now¹
Churchill Capital Corp XIIIOfficer Jul 30, 2026 to now¹
Churchill Capital Corp XIIBoard member Apr 28, 2026 to now²
Churchill Capital Corp XIIOfficer Apr 28, 2026 to now²
Churchill Capital Corp XIBoard member Dec 16, 2025 to now³
Churchill Capital Corp XIOfficer Dec 16, 2025 to now³
Infleqtion, Inc.Board member May 14, 2025 to now⁴
Infleqtion, Inc.Officer May 14, 2025 to now⁴
OkloBoard member May 13, 2024 to now⁵
Churchill Capital Corp IX/CaymanBoard member May 2, 2024 to now⁶
Churchill Capital Corp IX/CaymanOfficer May 2, 2024 to now⁶
ClaritevBoard member Feb 13, 2020 to now⁷
SkillsoftBoard member Jun 26, 2019 to now⁸
OkloChair Jul 7, 2021 to Jul 2, 2024⁹
Churchill Capital Corp VIBoard member Feb 11, 2021 to Feb 11, 2021¹⁰
Churchill Capital Corp VIOfficer Feb 11, 2021 to Feb 11, 2021¹⁰
Churchill Capital Corp VIIBoard member Feb 11, 2021 to Feb 11, 2021¹¹
Churchill Capital Corp VIIOfficer Feb 11, 2021 to Feb 11, 2021¹¹
Churchill Capital Corp VBoard member Dec 15, 2020 to Dec 15, 2020¹²
Churchill Capital Corp VOfficer Dec 15, 2020 to Dec 15, 2020¹²
Lucid MotorsBoard member Jul 29, 2020 to Jul 29, 2020¹³
Lucid MotorsOfficer Jul 29, 2020 to Jul 29, 2020¹³
Hall of Fame Resort & Entertainment CoBoard member Jul 7, 2020 to Jul 24, 2020¹⁴
ClaritevChief executive officer Feb 13, 2020 to Feb 13, 2020⁷
SkillsoftChief executive officer Jun 26, 2019 to Jun 26, 2019⁸
CitigroupChief executive officer Jul 19, 2007 to Jan 24, 2008¹⁵
CitigroupChair Nov 26, 2007 to Nov 26, 2007¹⁶
CitigroupCo-Pres Citi Markets & Banking May 11, 2007 to May 11, 2007¹⁷
CitigroupPresident Feb 9, 2007 to Mar 1, 2007¹⁸

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Churchill Capital Corp XI CCXI14,300,000 shares¹⁹$150.6M at $10.53Dec 18, 2025
Infleqtion, Inc. INFQ10,650,000 shares²⁰$92.6M at $8.70Feb 12, 2026
Claritev CTEV219,824 shares²¹$5.3M at $23.91May 1, 2026
Oklo OKLO150,000 shares²²$4.1M at $27.02Sep 22, 2025
Churchill Capital Corp XII CXII350,000 shares²³$3.6M at $10.35Apr 29, 2026
Churchill Capital Corp XIII XIII350,000 shares²⁴$3.5M at $10.05Aug 3, 2026
Skillsoft SKIL217,320 shares²⁵$1.3M at $5.86Jun 26, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

Aug 3, 2026Bought 350,000 shares at $10.00 of Churchill Capital Corp XIII²⁴
Jun 25, 2026Exercised options 12,430 shares of Skillsoft²⁵
Apr 29, 2026Granted 8,977 shares of Claritev²¹
Apr 29, 2026Bought 350,000 shares at $10.00 of Churchill Capital Corp XII²³
Feb 12, 2026Converted 10,650,000 shares of Infleqtion, Inc.²⁰
Dec 18, 2025Bought 500,000 shares at $10.00 of Churchill Capital Corp XI¹⁹
Sep 22, 2025Sold 10,000 shares at $135.20 of Oklo²²
Sep 22, 2025Sold 40,000 shares at $133.40 of Oklo²²
Jul 17, 2025Exercised options 20,306 shares of Skillsoft²⁶
Jun 23, 2025Sold 12,900 shares at $55.22 of Oklo²⁷
Jun 23, 2025Sold 12,100 shares at $53.71 of Oklo²⁷
Jun 23, 2025Sold 25,000 shares at $55.22 of Oklo²⁷
Apr 30, 2025Granted 7,356 shares of Claritev²⁸
Nov 14, 2024Other 13,450,000 shares of Oklo²⁹
Jul 18, 2024Exercised options 3,750 shares of Skillsoft³⁰
May 9, 2024Exercised options 12,500,000 shares of Oklo³¹
Apr 24, 2024Granted 172,413 shares of Claritev³²
Jun 23, 2023Exercised options 35,398 shares of Skillsoft³³
Apr 26, 2023Granted 106,382 shares of Claritev³⁴
Jun 23, 2022Exercised options 21,621 shares of Skillsoft³⁵
Apr 26, 2022Granted 22,271 shares of Claritev³⁶
Jul 12, 2021Granted 1,450,000 shares at $10.00 of Oklo³⁷

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARChurchill Capital Corp XIII, Board member
2
SEC EDGARChurchill Capital Corp XII, Board member
3
SEC EDGARChurchill Capital Corp XI, Board member
4
SEC EDGARInfleqtion, Inc., Board member
5
SEC EDGAROklo, Board member
6
SEC EDGARChurchill Capital Corp IX/Cayman, Board member
7
SEC EDGARClaritev, Board member
8
SEC EDGARSkillsoft, Board member
9
SEC EDGAROklo, Chair
10
SEC EDGARChurchill Capital Corp VI, Board member
11
SEC EDGARChurchill Capital Corp VII, Board member
12
SEC EDGARChurchill Capital Corp V, Board member
13
SEC EDGARLucid Motors, Board member
14
SEC EDGARHall of Fame Resort & Entertainment Co, Board member
15
SEC EDGARCitigroup, Chief executive officer
16
SEC EDGARCitigroup, Chair
17
SEC EDGARCitigroup, Co-Pres Citi Markets & Banking
18
SEC EDGARCitigroup, President
19
SEC EDGARChurchill Capital Corp XI shares after the filing of Dec 18, 2025
20
SEC EDGARInfleqtion, Inc. shares after the filing of Feb 12, 2026
21
SEC EDGARClaritev shares after the filing of May 1, 2026
22
SEC EDGAROklo shares after the filing of Sep 22, 2025
23
SEC EDGARChurchill Capital Corp XII shares after the filing of Apr 29, 2026
24
SEC EDGARChurchill Capital Corp XIII shares after the filing of Aug 3, 2026
25
SEC EDGARSkillsoft shares after the filing of Jun 26, 2026
26
SEC EDGARForm 4 filed Jul 18, 2025
27
SEC EDGARForm 4 filed Jun 25, 2025
28
SEC EDGARForm 4 filed May 2, 2025
29
SEC EDGARForm 4 filed Nov 18, 2024
30
SEC EDGARForm 4 filed Jul 22, 2024
31
SEC EDGARForm 4 filed May 13, 2024
32
SEC EDGARForm 4 filed Apr 26, 2024
33
SEC EDGARForm 4 filed Jun 23, 2023
34
SEC EDGARForm 4 filed Apr 28, 2023
35
SEC EDGARForm 4 filed Jun 24, 2022
36
SEC EDGARForm 4 filed Apr 28, 2022
37
SEC EDGARForm 4 filed Jul 2, 2024