Page Tyler
- Shares
- 8.97M
- % company
- 2.16%
- Price
- $22.68
- Value
- $203,478,723
Filed Jul 9, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · Financial Services · Holders
Cipher Mining Inc. (CIFR) Insider Trading History
Recent Form 4 insider activity for CIFR, with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Aug 18, 4:00 PM EDT · Statements Jun 29, 8:00 PM EDT
Ownership read
CIFR insider sentiment: Net selling.
20 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
CIFR
Purchases0
Sales329.39M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Insider stance
Net selling
$8.53B sold / — bought
Latest filing
Jul 9, 2026
Most recent holder or insider filing date
Filings shown
119
119 insider
- Latest filing
- Jul 9, 2026
- Most recent holder or insider filing date
- Insider rows
- 119
- Market data source
Recent insider transactions
Cipher Mining Inc. (CIFR) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Page Tyler
- Shares
- 9.08M
- % company
- 2.19%
- Price
- $21.19
- Value
- $192,494,728
Filed Jul 8, 2026
Mumford Gregory J.D.
- Shares
- 546.09K
- % company
- 0.13%
Filed Jun 30, 2026
Mumford Gregory J.D.
- Shares
- 20.21K
- % company
- <0.01%
- Price
- $24.50
- Value
- $495,072
Filed Jun 30, 2026
Mumford Gregory J.D.
- Shares
- 27.10K
- % company
- <0.01%
Filed Jun 30, 2026
Iwaschuk William
- Shares
- 458.56K
- % company
- 0.11%
Filed Jun 30, 2026
Iwaschuk William
- Shares
- 970.14K
- % company
- 0.23%
Filed Jun 30, 2026
Iwaschuk William
- Shares
- 999.75K
- % company
- 0.24%
Filed Jun 30, 2026
Iwaschuk William
- Shares
- 1.60M
- % company
- 0.39%
- Price
- $24.50
- Value
- $39,241,430
Filed Jun 30, 2026
Iwaschuk William
- Shares
- 1.64M
- % company
- 0.40%
Filed Jun 30, 2026
Iwaschuk William
- Shares
- 1.57M
- % company
- 0.38%
- Price
- $24.50
- Value
- $38,404,461
Filed Jun 30, 2026
Iwaschuk William
- Shares
- 1.58M
- % company
- 0.38%
Filed Jun 30, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | Page Tyler | 2.16% | SaleOpen-market or direct sale reported on Form 4. | 8.97M | Jul 9, 2026 |
| 2 | Page Tyler | 2.19% | SaleOpen-market or direct sale reported on Form 4. | 9.08M | Jul 8, 2026 |
| 3 | Mumford Gregory J.D. | 0.13% | Option exerciseDerivative exercise or conversion before any separate sale row. | 546.09K | Jun 30, 2026 |
| 4 | Mumford Gregory J.D. | <0.01% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 20.21K | Jun 30, 2026 |
| 5 | Mumford Gregory J.D. | <0.01% | Option exerciseDerivative exercise or conversion before any separate sale row. | 27.10K | Jun 30, 2026 |
| 6 | Iwaschuk William | 0.11% | Option exerciseDerivative exercise or conversion before any separate sale row. | 458.56K | Jun 30, 2026 |
| 7 | Iwaschuk William | 0.23% | Option exerciseDerivative exercise or conversion before any separate sale row. | 970.14K | Jun 30, 2026 |
| 8 | Iwaschuk William | 0.24% | Option exerciseDerivative exercise or conversion before any separate sale row. | 999.75K | Jun 30, 2026 |
| 9 | Iwaschuk William | 0.39% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 1.60M | Jun 30, 2026 |
| 10 | Iwaschuk William | 0.40% | Option exerciseDerivative exercise or conversion before any separate sale row. | 1.64M | Jun 30, 2026 |
| 11 | Iwaschuk William | 0.38% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 1.57M | Jun 30, 2026 |
| 12 | Iwaschuk William | 0.38% | Option exerciseDerivative exercise or conversion before any separate sale row. | 1.58M | Jun 30, 2026 |
Showing 12 of 119 matching Form 4 rows. Percent of company uses current shares outstanding.
Frequently asked
Common questions.
Who is the most active reported CIFR insider?
Vavilovs Valerijs has the largest absolute share movement in the displayed CIFR filing rows, totaling 311.01 million shares. The action labels provide the transaction context.