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Powerlaw Corp. (PWRL) CEO boosts indirect stake with open-market share purchases

Filing Impact
(High)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

Powerlaw Corp. Chief Executive Officer and director Michael John Dinsdale reported indirect open-market purchases of the company’s common stock through a family trust. The Michael John Dinsdale 2015 Trust bought 12,727 shares on June 22, 2026 at a weighted average price of $15.473 per share and 2,941 shares on June 18, 2026 at $16.855 per share. After these transactions, the trust holds 686,504 shares, while a related entity, Orions Belt 1 LLC, is reported as holding 572,749 shares indirectly beneficially owned by Dinsdale.

Positive

  • None.

Negative

  • None.
Insider Dinsdale Mike John
Role Chief Executive Officer
Bought 15,668 shs ($246K)
Type Security Shares Price Value
Purchase Common Stock, par value $0.001 per share 12,727 $15.473 $197K
Purchase Common Stock, par value $0.001 per share 2,941 $16.855 $50K
holding Common Stock, par value $0.001 per share -- -- --
Holdings After Transaction: Common Stock, par value $0.001 per share — 686,504 shares (Indirect, By Michael John Dinsdale 2015 Trust)
Footnotes (1)
  1. Reflects securities held directly by Michael John Dinsdale 2015 Trust, for which the Reporting Person is beneficiary and trustee. The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions at prices ranging from $15.385 to $15.540, inclusive. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased as each separate price within the ranges set forth in this footnote. Reflects securities held directly by Orions Belt 1 LLC, for which the Reporting Person is the beneficial owner.
Shares purchased on June 22, 2026 12,727 shares at $15.473 Open-market purchase by Michael John Dinsdale 2015 Trust
Shares purchased on June 18, 2026 2,941 shares at $16.855 Open-market purchase by Michael John Dinsdale 2015 Trust
Total shares bought in reported trades 15,668 shares Net buy across two open-market transactions
Trust holdings after transactions 686,504 shares Common stock held by Michael John Dinsdale 2015 Trust
LLC indirect holdings reported 572,749 shares Common stock held by Orions Belt 1 LLC
open-market purchase financial
"transaction_action": "open-market purchase""
An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
beneficial owner financial
"for which the Reporting Person is the beneficial owner."
A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.
indirect financial
""ownership_type": "indirect""
Common Stock, par value $0.001 per share financial
"security_title": "Common Stock, par value $0.001 per share""
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Form 4 Insider Transactions: What Each Field Means →
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*
Dinsdale Mike John
(Last)(First)(Middle)
C/O POWERLAW CORP., 631 FOLSOM STREET,
SUITE A & B
(Street)
SAN FRANCISCO CALIFORNIA 94107
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Powerlaw Corp. [ PWRL ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/18/2026		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 Stock, par value $0.001 per share06/18/2026P2,941A$16.855673,777IBy Michael John Dinsdale 2015 Trust(1)
Common Stock, par value $0.001 per share06/22/2026P12,727A$15.473(2)686,504IBy Michael John Dinsdale 2015 Trust(1)
Common Stock, par value $0.001 per share572,749IBy Orions Belt 1 LLC(3)
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
Explanation of Responses:
1. Reflects securities held directly by Michael John Dinsdale 2015 Trust, for which the Reporting Person is beneficiary and trustee.
2. The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions at prices ranging from $15.385 to $15.540, inclusive. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased as each separate price within the ranges set forth in this footnote.
3. Reflects securities held directly by Orions Belt 1 LLC, for which the Reporting Person is the beneficial owner.
/s/ Michael Dinsdale06/23/2026
** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Powerlaw Corp. (PWRL) report in this Form 4?

Powerlaw Corp. reported that CEO Michael John Dinsdale, through his 2015 Trust, made two open-market purchases totaling 15,668 common shares. The filing also lists existing indirect holdings through Orions Belt 1 LLC, providing a snapshot of his current indirect ownership position.

How many Powerlaw Corp. (PWRL) shares did the CEO’s trust buy and at what prices?

The Michael John Dinsdale 2015 Trust bought 12,727 shares at a weighted average price of $15.473 and 2,941 shares at $16.855. One of the purchases used a weighted average because multiple trades occurred within a narrow intraday price range.

What are Michael John Dinsdale’s indirect Powerlaw Corp. (PWRL) holdings after these trades?

After the reported transactions, the Michael John Dinsdale 2015 Trust holds 686,504 common shares of Powerlaw Corp. In addition, Orions Belt 1 LLC is shown as holding 572,749 common shares that the filing describes as indirectly beneficially owned by Dinsdale.

Were the recent Powerlaw Corp. (PWRL) insider transactions open-market purchases?

Yes. The filing labels both reportable trades as open-market purchases under transaction code “P.” These are non-derivative transactions in common stock, meaning the trust bought shares directly in the market rather than through options, warrants, or other derivative instruments.

How many total Powerlaw Corp. (PWRL) shares did the CEO’s trust purchase according to this Form 4?

Across the reported trades, the Michael John Dinsdale 2015 Trust purchased 15,668 Powerlaw Corp. common shares. This total comes from 12,727 shares bought on June 22, 2026 and 2,941 shares bought on June 18, 2026, both reported as open-market transactions.

What does the weighted average price disclosure mean in the Powerlaw Corp. (PWRL) Form 4?

The filing explains that the $15.473 price is a weighted average of multiple trades executed between $15.385 and $15.540. The reporting person offers to provide exact share counts at each price level to the company, shareholders, or SEC staff upon request.