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CIFRCipher Digital Inc. · Insider ownership research

Cipher Digital Inc. insiders sold $18.7M in the past 12 months. How much of their stake is that?

65% was sold under disclosed trading plans, 35% with no plan disclosed. The largest seller, Tyler Page (Chief Executive Officer, Director), sold $5.5M.Share-of-stake figures for this company are being verified and will be added when that check is finished. Why

Updated Oct 16, 2026 from SEC filings · covers Oct 17, 2025 to Oct 16, 2026
$6.6M
sold with no plan disclosed, past 12 months
65%
of sales were under disclosed trading plans, past 12 months
7 of 12
officers and directors sold shares, past 12 months
Is this normal? More than usual: $18.7M sold, after almost none in the past 4 years. 7 insiders sold; the average is 3 a year. Year by year
Latest filing: Filed Oct 15 for a tax withholding on Oct 14. Gregory Mumford had 68K shares withheld by the company for taxes. Filing
SEC ownership filings: 71 filed in the 12 months to Oct 16, 2026; 286 on record since Oct 19, 2020 · See the evidence

What stands out

Three directors sold $5.1M with no disclosed plan: Wesley Williams ($2.1M), Cary Grossman ($1.8M) and James Newsome ($1.2M). The filings don't state a reason.Wesley Williams: largest such sale, Dec 19, 2025 · Cary Grossman: largest such sale, Nov 26, 2025 · James Newsome: largest such sale, Mar 4, 2026
Outside holder Top Bitfury, a 10% owner and not part of management, sold $78.5M of stock.Largest sale, Jun 3, 2026
Tax withholding outweighed market sales: the company withheld $99.3M of officers' and directors' shares for taxes, against $18.7M sold on the open market. The largest was Tyler Page ($72.8M withheld).Largest withholding, Jun 22, 2026

A share of stake is shown for 0 of the 7 officers and directors who sold. 12 are left out

i
Left out: Tyler Page, Edward Farrell, William Iwaschuk, Patrick Kelly, Holly Evans, Wesley Williams, Caitlin Long, Cary Grossman, James Newsome, Robert Flatley, Thomas Duda and Gregory Mumford (share of stake is being verified).
Disclosed company stock is not an insider's whole wealth.

Who sold, and how much of their stake

Officers and directors, past 12 months. Their share of stake is being verified and is not shown yet; amounts and trading plans are below.

Tyler Page
Chief Executive Officer, Director
Not confirmed
Share of stake not shown: share of stake is being verified. Why
$5.5MDisclosed plan
William Iwaschuk
Co-President and CLO
Not confirmed
Share of stake not shown: share of stake is being verified. Why
$3.9MDisclosed plan
Patrick Kelly
Co-President and COO
Not confirmed
Share of stake not shown: share of stake is being verified. Why
$3.6M74% planned 26% no plan disclosed
Wesley Williams
Director
Not confirmed
Share of stake not shown: share of stake is being verified. Why
$2.1MNo plan disclosed
Cary Grossman
Director
Not confirmed
Share of stake not shown: share of stake is being verified. Why
$1.8MNo plan disclosed
All 7 sellers

Selling by month

Officers and directors, Oct 2025 to Oct 2026. Each sale is counted once: under a disclosed plan, else to cover taxes, else no plan disclosed.

Disclosed planNo plan disclosedOne dollar scale for every month; the tallest bar is labeled
OctNov 2025: $4.3M under a disclosed planNov 2025: $1.4M no plan disclosed$5.6MNovDec 2025: $536K under a disclosed planDec 2025: $1.2M no plan disclosedDecJan 2026: $632K under a disclosed planJanFeb 2026: $552K under a disclosed planFebMar 2026: $1.1M under a disclosed planMar 2026: $1.1M no plan disclosedMarAprMay 2026: $2.4M no plan disclosedMayJun 2026: $541K no plan disclosedJunJul 2026: $4.9M under a disclosed planJulAugSepOct

Recent activity

Past 30 days, Sep 17, 2026 to Oct 16, 2026
Oct 14, 2026Gregory Mumford had 68K shares ($674K) withheld by the company for taxes (not a market sale). 125K shares came in from vesting or option exercises the same day, so the holding rose by 57K net.
WhoSharesPrice% of total stakeTotal stake afterTrade dateFiled
Gregory Mumford
Chief Financial Officer
67,768$9.94n/an/aOct 14, 2026Oct 15, 2026
Sep 30, 20264 executives had 397K shares ($6.3M) withheld by the company for taxes (not a market sale). 770K shares came in from vesting or option exercises the same day, so their combined holdings rose by 373K net.
WhoSharesPrice% of total stakeTotal stake afterTrade dateFiled
Tyler Page
Chief Executive Officer, Director
241,603$15.83n/an/aSep 30, 2026Oct 8, 2026
William Iwaschuk
Co-President and CLO
77,424$15.83n/an/aSep 30, 2026Oct 8, 2026
Patrick Kelly
Co-President and COO
71,474$15.83n/an/aSep 30, 2026Oct 8, 2026
Gregory Mumford
Chief Financial Officer
6,895$15.83n/an/aSep 30, 2026Oct 8, 2026

"% of total stake" is the shares in an event against all the vested shares the person held that day, across every share class and holding entity, after that day's vesting. "n/a" means the person's holdings are not confirmed, or the row is a purchase. "Holdings record incomplete" means more shares were sold than the filings show the person held that day, so a percentage would be wrong.

Outside holders, reported separately

Top Bitfury sold $78.5M in the past 12 months. Large shareholders and the funds or companies that board members represent are not part of management, so they are left out of the figures above.

Details

Common questions

Is the Cipher Digital Inc. CEO selling stock?

Yes. Tyler Page sold 263K shares ($5.5M) in the past 12 months, all of it under a trading plan disclosed in the filings.

Why are Cipher Digital Inc. insiders selling?

Filings rarely give a reason, and we don't guess at one. What they show is how the sales were made: 65% of sales by value ran under 10b5-1 trading plans disclosed in the filings and 35% had no disclosed plan. A trading plan schedules sales in advance.

Are any Cipher Digital Inc. insiders buying?

No. Officers and directors reported no purchases in the past 12 months.

The evidence

Who sold7 officers and directors: amount, % of holdings, trading plan
Who soldAmount% of holdingsTrading plan
Tyler Page
Chief Executive Officer, Director
$5.5M
263K shares
Not confirmed
share of stake is being verified. Why
Disclosed plan
William Iwaschuk
Co-President and CLO
$3.9M
173K shares
Not confirmed
share of stake is being verified. Why
Disclosed plan
Patrick Kelly
Co-President and COO
$3.6M
217K shares
Not confirmed
share of stake is being verified. Why
74% under a disclosed plan 26% no plan disclosed
Wesley Williams
Director
$2.1M
111K shares
Not confirmed
share of stake is being verified. Why
No plan disclosed
Cary Grossman
Director
$1.8M
90K shares
Not confirmed
share of stake is being verified. Why
No plan disclosed
James Newsome
Director
$1.2M
74K shares
Not confirmed
share of stake is being verified. Why
No plan disclosed
Holly Evans
Director
$564K
31K shares
Not confirmed
share of stake is being verified. Why
No plan disclosed

Outside holder, reported separately: Top Bitfury (a 10% owner, not part of management). Sold $78.5M (3.00M shares) from Jun 3, 2026 to Jun 4, 2026. Latest filing

The full ownership picture0 of 12 officers and directors confirmed

Vested shares across all share classes, held directly and through trusts, LLCs and family members, as reported on SEC Forms 3, 4 and 5. Unvested awards and options are never counted as owned shares.

InsiderHeld Oct 16, 2025SoldHeld Oct 16, 2026Still held
Tyler Page
!
Holdings and share of stake are being verified. Share-of-stake figures and holdings for this company are held back while they are verified. Sales and other transactions for Tyler Page are complete.
Chief Executive Officer, Director
n/a−263Kn/an/a
Vesting, gifts, unvested awards and holding lines for Tyler Page

Holdings and share of stake are being verified. Sales, proceeds, plan and tax status and dates for Tyler Page are complete; balances and unit counts will be added when the check is finished.

−638Kgifted (net of own trusts)
−3.71Mwithheld by the company for taxes
Edward Farrell
!
Holdings and share of stake are being verified. Share-of-stake figures and holdings for this company are held back while they are verified. Sales and other transactions for Edward Farrell are complete.
Chief Financial Officer
n/a0n/an/a
Vesting, gifts, unvested awards and holding lines for Edward Farrell

Holdings and share of stake are being verified. Sales, proceeds, plan and tax status and dates for Edward Farrell are complete; balances and unit counts will be added when the check is finished.

0gifted (net of own trusts)
William Iwaschuk
!
Holdings and share of stake are being verified. Share-of-stake figures and holdings for this company are held back while they are verified. Sales and other transactions for William Iwaschuk are complete.
Co-President and CLO
n/a−173Kn/an/a
Vesting, gifts, unvested awards and holding lines for William Iwaschuk

Holdings and share of stake are being verified. Sales, proceeds, plan and tax status and dates for William Iwaschuk are complete; balances and unit counts will be added when the check is finished.

−26Kgifted (net of own trusts)
−761Kwithheld by the company for taxes
Patrick Kelly
!
Holdings and share of stake are being verified. Share-of-stake figures and holdings for this company are held back while they are verified. Sales and other transactions for Patrick Kelly are complete.
Co-President and COO
n/a−217Kn/an/a
Vesting, gifts, unvested awards and holding lines for Patrick Kelly

Holdings and share of stake are being verified. Sales, proceeds, plan and tax status and dates for Patrick Kelly are complete; balances and unit counts will be added when the check is finished.

−22Kgifted (net of own trusts)
−701Kwithheld by the company for taxes
Holly Evans
!
Holdings and share of stake are being verified. Share-of-stake figures and holdings for this company are held back while they are verified. Sales and other transactions for Holly Evans are complete.
Director
n/a−31Kn/an/a
Vesting, gifts, unvested awards and holding lines for Holly Evans

Holdings and share of stake are being verified. Sales, proceeds, plan and tax status and dates for Holly Evans are complete; balances and unit counts will be added when the check is finished.

0gifted (net of own trusts)
Wesley Williams
!
Holdings and share of stake are being verified. Share-of-stake figures and holdings for this company are held back while they are verified. Sales and other transactions for Wesley Williams are complete.
Director
n/a−111Kn/an/a
Vesting, gifts, unvested awards and holding lines for Wesley Williams

Holdings and share of stake are being verified. Sales, proceeds, plan and tax status and dates for Wesley Williams are complete; balances and unit counts will be added when the check is finished.

0gifted (net of own trusts)
Caitlin Long
!
Holdings and share of stake are being verified. Share-of-stake figures and holdings for this company are held back while they are verified. Sales and other transactions for Caitlin Long are complete.
Director
n/a0n/an/a
Vesting, gifts, unvested awards and holding lines for Caitlin Long

Holdings and share of stake are being verified. Sales, proceeds, plan and tax status and dates for Caitlin Long are complete; balances and unit counts will be added when the check is finished.

0gifted (net of own trusts)
Cary Grossman
!
Holdings and share of stake are being verified. Share-of-stake figures and holdings for this company are held back while they are verified. Sales and other transactions for Cary Grossman are complete.
Director
n/a−90Kn/an/a
Vesting, gifts, unvested awards and holding lines for Cary Grossman

Holdings and share of stake are being verified. Sales, proceeds, plan and tax status and dates for Cary Grossman are complete; balances and unit counts will be added when the check is finished.

0gifted (net of own trusts)
James Newsome
!
Holdings and share of stake are being verified. Share-of-stake figures and holdings for this company are held back while they are verified. Sales and other transactions for James Newsome are complete.
Director
n/a−74Kn/an/a
Vesting, gifts, unvested awards and holding lines for James Newsome

Holdings and share of stake are being verified. Sales, proceeds, plan and tax status and dates for James Newsome are complete; balances and unit counts will be added when the check is finished.

0gifted (net of own trusts)
Robert Flatley
!
Holdings and share of stake are being verified. Share-of-stake figures and holdings for this company are held back while they are verified. Sales and other transactions for Robert Flatley are complete.
Director
n/a0n/an/a
Vesting, gifts, unvested awards and holding lines for Robert Flatley

Holdings and share of stake are being verified. Sales, proceeds, plan and tax status and dates for Robert Flatley are complete; balances and unit counts will be added when the check is finished.

0gifted (net of own trusts)
Thomas Duda
!
Holdings and share of stake are being verified. Share-of-stake figures and holdings for this company are held back while they are verified. Sales and other transactions for Thomas Duda are complete.
Director
n/a0n/an/a
Vesting, gifts, unvested awards and holding lines for Thomas Duda

Holdings and share of stake are being verified. Sales, proceeds, plan and tax status and dates for Thomas Duda are complete; balances and unit counts will be added when the check is finished.

0gifted (net of own trusts)
Gregory Mumford
!
Holdings and share of stake are being verified. Share-of-stake figures and holdings for this company are held back while they are verified. Sales and other transactions for Gregory Mumford are complete.
Chief Financial Officer
n/a0n/an/a
Vesting, gifts, unvested awards and holding lines for Gregory Mumford

Holdings and share of stake are being verified. Sales, proceeds, plan and tax status and dates for Gregory Mumford are complete; balances and unit counts will be added when the check is finished.

0gifted (net of own trusts)
−89Kwithheld by the company for taxes

Holdings and share of stake for Cipher Digital Inc. are being verified, so no balances, unit counts or percentages are shown. Sales, proceeds, plan and tax status, titles and dates come straight from individual filings.

What explains the selling$18.7M of sales by plan status, purpose, seller and month

Officer and director open-market sales: $18.7M across 959,170 shares. Plan status and stated purpose are separate questions, and a sale can have both.

By plan status

The lighter segment is sales with no plan disclosed in the filing ($6.6M), including tax-related sales outside a plan.

No plan disclosed · $6.6M

Sales with no 10b5-1 plan and no tax reference in the filing. $2.1M of it is Wesley Williams. No plan disclosed is a statement about the filing, not about why the sale happened. Largest such sale: Patrick Kelly, May 12, 2026

Taxes

5,261,440 shares ($99.3M) were withheld by the company for taxes, which isn't a market sale.

Charitable gifts · 286K shares

Gifts the filings describe as charitable. Gifts are not sales and are not included in the sale totals.

SellerShares soldProceedsUnder a disclosed planShare of totalSales dates
Tyler Page
Chief Executive Officer, Director
263K$5.5M100%30%Mar 25, 2026 to Jul 9, 2026
William Iwaschuk
Co-President and CLO
173K$3.9M100%21%Nov 4, 2025 to Nov 4, 2025
Patrick Kelly
Co-President and COO
217K$3.6M74%19%Nov 17, 2025 to May 12, 2026
Wesley Williams
Director
111K$2.1M0%11%Nov 12, 2025 to May 21, 2026
Cary Grossman
Director
90K$1.8M0%10%Nov 26, 2025 to Jun 18, 2026
James Newsome
Director
74K$1.2M0%7%Dec 19, 2025 to Jun 16, 2026
Holly Evans
Director
31K$564K0%3%Nov 12, 2025 to Nov 26, 2025

Sales by month

MonthSale proceedsDisclosed planTo cover taxesNo plan disclosed
Oct 2025$0$0$0$0
Nov 2025$5.6M$4.3M$0$1.4M
Dec 2025$1.7M$536K$0$1.2M
Jan 2026$632K$632K$0$0
Feb 2026$552K$552K$0$0
Mar 2026$2.3M$1.1M$0$1.1M
Apr 2026$0$0$0$0
May 2026$2.4M$0$0$2.4M
Jun 2026$541K$0$0$541K
Jul 2026$4.9M$4.9M$0$0
Aug 2026$0$0$0$0
Sep 2026$0$0$0$0
Oct 2026$0$0$0$0
Is this normal? Selling year by year4 earlier years to compare with

More than usual: $18.7M sold, after almost none in the past 4 years. 7 insiders sold; the average is 3 a year.

12 months endingShares soldInsiders who soldProceeds
Oct 16, 2026
Latest 12 months
959K7$18.7M
Oct 16, 2025
1 year earlier
278K4$2.3M
Oct 16, 2024
2 years earlier
305K3$1.3M
Oct 17, 2023
3 years earlier
270K4$857K
Oct 17, 2022
4 years earlier
00$0
Oct 17, 2021
5 years earlier · filings don't cover the whole year
n/an/an/a

Open-market sales (Form 4 code S) by people who were officers or directors, in split-adjusted shares. Earlier years include people who have since left. A sale that an outside holder also reports (a family trust, a fund) is counted with outside holders in every year. Shares, not dollars, are compared, so a change in the stock price doesn't look like a change in selling. Years the filings don't fully cover are shown but left out of the average.

Known gaps and uncertainty12 officers and directors not confirmed

Holdings and share of stake are being verified. Balances, unit counts and every share-of-stake figure for Cipher Digital Inc. are held back until that check is finished. Sales, proceeds, plan and tax status, titles and dates come straight from individual filings and are complete.

External context: we only cite outside events when a documented connection exists. None is shown for this period.

Sources and methodology286 filings on record, 71 filed in the 12-month period, and how we read them

All 286 Forms 3, 4 and 5 on record for Cipher Digital Inc. (SEC CIK 1819989), filed from Oct 19, 2020 to Oct 15, 2026; 71 of them were filed in the 12 months this page covers, retrieved from SEC EDGAR on Oct 16, 2026. Prices are the ones reported in each filing, often weighted averages.

Holdings. Each holding line (a share class plus an owner, such as a trust or LLC) carries its last reported balance forward. Entities first reported during the period start at zero, so transfers between an insider's own trusts don't count as selling. Lines not reported for three years or more are listed separately and left out of totals.

Sales. A sale counts as under a 10b5-1 plan if its footnote cites one or the filing's Rule 10b5-1 box is checked, and as tax-related if its footnote cites tax obligations or sell-to-cover. Shares withheld by the company for taxes are listed separately. Sales with neither attribute are labeled "no plan disclosed".

Full methodology

Former or inactive filers (8)No filing in 18 months; last reported balances, not in any total

Spotted something wrong on this page? Report an error. We check every report against the SEC filing and list what we fix in the corrections log.