Cipher Mining Inc. (CIFR) Insider Ownership

Historic Insider Ownership Trends

Through the 90-day period concluding February 07, 2026, Cipher Mining's top three insider stakeholders include TenPercentOwner Top Holdco B.V. Bitfury (93.38Mn shares), TenPercentOwner Holding Ltd V3 (61.32Mn shares), Chief Executive Officer Tyler Page (8.30Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Top Holdco B.V. Bitfury 93,378,292 16 Jul, 2025
Holding Ltd V3 61,316,694 16 Oct, 2025
Tyler Page Chief Executive Officer 8,301,362 23 Dec, 2025
Patrick Arthur Kelly Co President And Coo 1,512,644 20 Jan, 2026
Edward J Farrell Chief Financial Officer 1,482,622 02 Oct, 2025
William Iwaschuk Co President And Clo 1,390,509 23 Dec, 2025
Robert R B Dykes 1,103,745 11 Sep, 2024
Caitlin Long 226,781 06 Jun, 2025
Cary M Grossman 200,530 28 Nov, 2025
Holly Morrow Evans 195,512 28 Nov, 2025
James E Newsome 172,492 23 Dec, 2025
Wesley Hastie Williams 158,145 23 Dec, 2025
Robert Flatley 138,872 06 Jun, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
15 Jan, 2026 Patrick Arthur Kelly Common Stock D 35,568 $17.76 1,512,644 D S
19 Dec, 2025 James E Newsome Common Stock D 21,821 $16.03 172,492 D S
19 Dec, 2025 Wesley Hastie Williams Common Stock D 49,867 $16.08 158,145 D S
19 Dec, 2025 Patrick Arthur Kelly Common Stock D 156,064 $16.21 1,548,212 D F
19 Dec, 2025 Patrick Arthur Kelly Common Stock A 305,707 $0.00 1,704,276 D M
19 Dec, 2025 Tyler Page Common Stock D 520,211 $16.21 8,301,362 D F
19 Dec, 2025 Tyler Page - - 8,821,573 D
19 Dec, 2025 Tyler Page Common Stock A 1,019,022 $0.00 8,821,573 D M
19 Dec, 2025 William Iwaschuk Common Stock D 26,000 $0.00 1,390,509 D G
19 Dec, 2025 William Iwaschuk Common Stock D 169,056 $16.21 1,416,509 D F
19 Dec, 2025 William Iwaschuk Common Stock A 305,707 $0.00 1,585,565 D M
15 Dec, 2025 Patrick Arthur Kelly Common Stock A 33,968 - 1,415,910 D M
15 Dec, 2025 Patrick Arthur Kelly Common Stock D 240,047 $14.74 1,381,942 D F
15 Dec, 2025 Patrick Arthur Kelly Common Stock D 35,569 $15.08 1,151,770 D S
15 Dec, 2025 Patrick Arthur Kelly Common Stock A 470,219 - 1,621,989 D M
15 Dec, 2025 Patrick Arthur Kelly Common Stock D 17,341 $14.74 1,398,569 D F
15 Dec, 2025 Tyler Page Common Stock A 1,567,398 - 8,547,285 D M
15 Dec, 2025 Tyler Page - - 7,860,353 D
15 Dec, 2025 Tyler Page Common Stock A 113,225 - 7,860,353 D M
15 Dec, 2025 Tyler Page Common Stock D 800,157 $14.74 7,747,128 D F