STOCK TITAN

Cleanspark (CLSK) CTO/COO Monnig exercises RSUs and disposes shares for taxes

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

CLEANSPARK, INC. executive Taylor Monnig, the CTO and COO, reported routine equity activity. On May 13, 2026, Monnig exercised 535 Restricted Stock Units, receiving the same number of common shares at an exercise price of $0.00 per share. On May 14, 2026, 211 common shares were disposed of as a tax-withholding event at a weighted-average price of $13.9807 per share, leaving 168,905 common shares directly owned.

The filing also lists substantial unvested equity awards, including Performance Stock Units and Restricted Stock Units that can convert into hundreds of thousands of common shares, subject to time-based vesting and performance goals. Some Long-Term Incentive Plan awards require the stock to reach at least $18.80 on a 20‑day average by a period ending March 20, 2027, while Strategic Transformation Performance Awards reference stock price targets between $47 and $94 per share before September 30, 2030, and operational power-capacity goals measured in megawatts and gigawatts.

Positive

  • None.

Negative

  • None.
Insider Monnig Taylor
Role CTO, COO
Type Security Shares Price Value
Tax Withholding Common Stock 211 $13.9807 $3K
Exercise Restricted Stock Units 535 $0.00 --
Exercise Common Stock 535 $0.00 --
holding Employee Stock Option (Right to Buy) -- -- --
holding Employee Stock Option (Right to Buy) -- -- --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Restricted Stock Units -- -- --
holding Performance Stock Units -- -- --
holding Performance Stock Units -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 168,905 shares (Direct, null); Restricted Stock Units — 3,212 shares (Direct, null); Employee Stock Option (Right to Buy) — 15,000 shares (Direct, null); Performance Stock Units — 210,000 shares (Direct, null)
Footnotes (1)
  1. This is a weighted average of prices for all sales made on May 14, 2026 ranging from $13.9700 to $13.9850. Upon request, the Reporting Person will provide to the SEC, the Issuer, or any security holder of the Issuer full information regarding the number of shares sold at each separate price. These Options were granted on August 10, 2022 and vest in equal annual installments over three years. These Options were granted on July 7, 2023 and vest in equal monthly installments over 36 months. These RSUs will vest on September 30, 2026. These RSUs vest in equal annual installments over three years on September 4, 2026, September 4, 2027, and September 4, 2028. These RSUs vest in equal semiannual installments over three years on September 4, 2026, February 13, 2027, September 4, 2027, February 13, 2028, and September 4, 2028. These RSUs vest in equal quarterly installments on August 13, 2026, December 3, 2026, February 12, 2027, May 13, 2027, August 13, 2027, and December 3, 2027. These RSUs vest in equal annual installments over three years on March 20, 2027, March 20, 2028, and March 20, 2029, subject to the Reporting Person's continued employment or service with the Issuer through each such date. Vesting of these Long-Term Incentive Plan ("LTIP") awards is contingent on the common stock achieving a specified target market price of at least $18.80 based on a 20-trading day average during the period ending March 20, 2027, subject to the Reporting Person remaining employed by the Issuer on the vesting date of March 20, 2029. The reported LTIP awards do not include LTIP awards in respect of a maximum of 210,000 shares of common stock for which such awards will vest in accordance with their terms upon achievement of specified performance goals tied to gross power under leases to customers for data centers, with threshold performance at 600 MW gross and maximum payout at 800 MW gross, during the period ending March 20, 2027, subject to the Reporting Person remaining employed by the Issuer on the vesting date of March 20, 2029. The number of shares under these Strategic Transformation Performance Awards ("STPA") represents the maximum number of common shares for which the STPAs will vest upon the Issuer's common stock achieving target market prices, based on a 20-trading day average, with threshold performance at $47 per share and maximum payout at $94 per share, before September 30, 2030, subject to the Reporting Person remaining employed by the Issuer on September 30, 2030. The reported STPA awards do not include 830,500 shares of common stock that vest upon achievement of performance goals tied to power under leases to customers for data centers that are operationally ready to host IT equipment and deliver services (RFS), with threshold performance at 1.0 GW and maximum payout at 2.5 GW, before September 30, 2030, subject to the Reporting Person remaining employed by the Issuer on September 30, 2030.
Tax-withholding shares disposed 211 shares at $13.9807 Weighted-average price on May 14, 2026
RSUs exercised into common stock 535 shares at $0.00 Exercise on May 13, 2026
Common shares held after transactions 168,905 shares Direct ownership following May 2026 transactions
Employee stock options 25,000 shares at $6.00 Options expiring July 6, 2033
Employee stock options 15,000 shares at $5.98 Options expiring August 10, 2032
LTIP stock price threshold $18.80 per share 20-day average required during period ending March 20, 2027
STPA stock price range $47–$94 per share Targets before September 30, 2030
Tax-withholding count in filing 1 event, 211 shares Form 4 transaction summary
Performance Stock Units financial
"The filing also lists substantial unvested equity awards, including Performance Stock Units and Restricted Stock Units"
Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.
Restricted Stock Units financial
"On May 13, 2026, Monnig exercised 535 Restricted Stock Units, receiving the same number of common shares"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Long-Term Incentive Plan ("LTIP") awards financial
"Vesting of these Long-Term Incentive Plan ("LTIP") awards is contingent on the common stock achieving a specified target market price"
Strategic Transformation Performance Awards ("STPA") financial
"The number of shares under these Strategic Transformation Performance Awards ("STPA") represents the maximum number of common shares"
tax-withholding disposition financial
"The filing characterizes the 211-share disposition as a tax-withholding event"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Monnig Taylor

(Last)(First)(Middle)
10624 S. EASTERN AVE.
SUITE A-638

(Street)
HENDERSON NEVADA 89052

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
CLEANSPARK, INC. [ CLSK ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
CTO, COO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock168,581D
Common Stock05/13/2026M535A$0169,116D
Common Stock05/14/2026F211D$13.9807(1)168,905D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Employee Stock Option (Right to Buy)$5.98 (2)08/10/2032Common Stock15,00015,000D
Employee Stock Option (Right to Buy)$6 (3)07/06/2033Common Stock25,00025,000D
Restricted Stock Units$0 (4) (4)Common Stock33,35033,350D
Restricted Stock Units$0 (5) (5)Common Stock396,476396,476D
Restricted Stock Units$0 (6) (6)Common Stock225,625225,625D
Restricted Stock Units$0 (5) (5)Common Stock361,000361,000D
Restricted Stock Units$0 (7) (7)Common Stock3,7473,747D
Restricted Stock Units$005/13/2026M53505/13/2026 (7)Common Stock535$03,212D
Restricted Stock Units$0 (8) (8)Common Stock280,000280,000D
Performance Stock Units$0 (9) (9)Common Stock210,000210,000D
Performance Stock Units$0 (10) (10)Common Stock830,500830,500D
Explanation of Responses:
1. This is a weighted average of prices for all sales made on May 14, 2026 ranging from $13.9700 to $13.9850. Upon request, the Reporting Person will provide to the SEC, the Issuer, or any security holder of the Issuer full information regarding the number of shares sold at each separate price.
2. These Options were granted on August 10, 2022 and vest in equal annual installments over three years.
3. These Options were granted on July 7, 2023 and vest in equal monthly installments over 36 months.
4. These RSUs will vest on September 30, 2026.
5. These RSUs vest in equal annual installments over three years on September 4, 2026, September 4, 2027, and September 4, 2028.
6. These RSUs vest in equal semiannual installments over three years on September 4, 2026, February 13, 2027, September 4, 2027, February 13, 2028, and September 4, 2028.
7. These RSUs vest in equal quarterly installments on August 13, 2026, December 3, 2026, February 12, 2027, May 13, 2027, August 13, 2027, and December 3, 2027.
8. These RSUs vest in equal annual installments over three years on March 20, 2027, March 20, 2028, and March 20, 2029, subject to the Reporting Person's continued employment or service with the Issuer through each such date.
9. Vesting of these Long-Term Incentive Plan ("LTIP") awards is contingent on the common stock achieving a specified target market price of at least $18.80 based on a 20-trading day average during the period ending March 20, 2027, subject to the Reporting Person remaining employed by the Issuer on the vesting date of March 20, 2029. The reported LTIP awards do not include LTIP awards in respect of a maximum of 210,000 shares of common stock for which such awards will vest in accordance with their terms upon achievement of specified performance goals tied to gross power under leases to customers for data centers, with threshold performance at 600 MW gross and maximum payout at 800 MW gross, during the period ending March 20, 2027, subject to the Reporting Person remaining employed by the Issuer on the vesting date of March 20, 2029.
10. The number of shares under these Strategic Transformation Performance Awards ("STPA") represents the maximum number of common shares for which the STPAs will vest upon the Issuer's common stock achieving target market prices, based on a 20-trading day average, with threshold performance at $47 per share and maximum payout at $94 per share, before September 30, 2030, subject to the Reporting Person remaining employed by the Issuer on September 30, 2030. The reported STPA awards do not include 830,500 shares of common stock that vest upon achievement of performance goals tied to power under leases to customers for data centers that are operationally ready to host IT equipment and deliver services (RFS), with threshold performance at 1.0 GW and maximum payout at 2.5 GW, before September 30, 2030, subject to the Reporting Person remaining employed by the Issuer on September 30, 2030.
/s/ Taylor Monnig05/14/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did CleanSpark (CLSK) report for Taylor Monnig?

Taylor Monnig reported a small, routine equity transaction. He exercised 535 Restricted Stock Units into common stock, then disposed of 211 shares in a tax-withholding event. After these transactions, he directly owned 168,905 shares of CleanSpark common stock plus sizable unvested equity awards.

How many CleanSpark (CLSK) shares does Taylor Monnig hold after this Form 4?

After the reported transactions, Monnig directly holds 168,905 common shares. This follows exercising 535 RSUs into stock and disposing of 211 shares to cover tax obligations. In addition, he holds multiple unvested Performance Stock Units and Restricted Stock Units tied to future vesting and performance conditions.

Was the CleanSpark (CLSK) insider disposition an open-market sale?

The filing characterizes the 211-share disposition as a tax-withholding event. Shares were disposed of at a weighted-average price of $13.9807 per share to satisfy obligations, rather than as a discretionary open-market sale, which limits its signaling value about the insider’s view of the stock.

What performance conditions apply to Taylor Monnig’s CleanSpark (CLSK) LTIP awards?

Certain Long-Term Incentive Plan awards depend on stock price and operational targets. One set requires CleanSpark’s stock to reach at least $18.80 on a 20-day average by a period ending March 20, 2027. Additional awards reference power-capacity metrics under customer leases, with threshold and maximum levels.

What are the Strategic Transformation Performance Awards for CleanSpark (CLSK) reported here?

The Strategic Transformation Performance Awards set ambitious stock and operating goals. These awards can vest based on 20-day average stock prices between $47 and $94 per share before September 30, 2030, and separate awards reference power capacity at operational data centers measured in gigawatts.

What stock options for CleanSpark (CLSK) does Taylor Monnig retain after this filing?

Monnig retains employee stock options on CleanSpark common shares. The filing lists options over 25,000 shares at a $6.00 exercise price expiring July 6, 2033, and 15,000 shares at a $5.98 exercise price expiring August 10, 2032, in addition to his RSU and PSU positions.