[Form 4] StandardAero, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Alex Trapp, Chief Strategy Officer of StandardAero, Inc. (SARO), reported sales of Common Stock under a Rule 10b5-1 plan adopted June 11, 2025. On 09/18/2025 the reporting person sold 73,718 shares at a weighted average price of $28.0551, leaving 16,908 shares beneficially owned after that transaction. On 09/19/2025 an additional 2,873 shares were sold at $28.00, leaving 14,035 shares owned. The filing notes the 09/18 sales occurred at prices ranging from $28.00 to $28.16. The form was signed by an attorney-in-fact on behalf of the reporting person.

Positive

• Sales executed under a Rule 10b5-1 plan, which provides a documented compliance framework
• Full disclosure of share counts and weighted average price range enhances transparency

Negative

• Reporting person reduced direct holdings from the pre-sale level to 14,035 shares following the disclosed transactions

Insights

Corporate Governance Expert

TL;DR: Routine 10b5-1 insider sales were disclosed; timing and plan adoption reduce appearance-of-trading concerns.

The trades were executed pursuant to a pre-established Rule 10b5-1 plan adopted June 11, 2025, which provides an affirmative defense against insider trading allegations by specifying pre-set sale terms. The filing discloses exact share counts and weighted average prices and shows a decline in the reporting persons direct holdings from 90,626 shares pre-sales (implied) to 14,035 post-sales based on reported figures. Disclosure by attorney-in-fact is properly executed. From a governance perspective, adherence to a documented plan and clear price ranges improves compliance transparency.

Securities Analyst

TL;DR: Insider sold about 76,591 shares across two days at ~$28 per share under a 10b5-1 plan; transaction is a disclosed liquidity event.

The report shows sales on 09/18/2025 (73,718 shares at a weighted average of $28.0551) and 09/19/2025 (2,873 shares at $28.00). The issuer and transaction details are explicitly reported, and the price range for the larger sale is provided ($28.00 to $28.16). There is no acquisition or derivative activity disclosed. For investors, these are permitted, preplanned sales that reduce the officers direct share count to the reported 14,035 shares, but the filing does not provide proceeds, percentage ownership, or company-level impact metrics to assess materiality further.

SEC Form 4

FORM 4

UNITED 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).

X

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^*

Trapp Alex

(Last) (First) (Middle)

C/O STANDARDAERO, INC.

6710 NORTH SCOTTSDALE RD., SUITE 250

(Street)

SCOTTSDALE AZ 85253

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
StandardAero, Inc. [ SARO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Strategy Officer

3. Date of Earliest Transaction (Month/Day/Year)
09/18/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/18/2025		S(1)		73,718	D	$28.0551(2)	16,908	D
Common Stock	09/19/2025		S(1)		2,873	D	$28	14,035	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sales reported herein were effected pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on June 11, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.00 to $28.16, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

	/s/ Steve Sinquefield, Attorney-in-Fact	09/22/2025
	** Signature of Reporting Person	Date
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.

FAQ

What transactions did SARO insider Alex Trapp report on the Form 4?

The Form 4 reports sales of 73,718 shares on 09/18/2025 and 2,873 shares on 09/19/2025 of StandardAero common stock.

Were the SARO sales made under a Rule 10b5-1 plan?

Yes. The sales were effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on June 11, 2025.

At what prices were the SARO shares sold?

The weighted average price for the 09/18/2025 sales was $28.0551; the filing states sale prices ranged from $28.00 to $28.16. The 09/19/2025 sales were at $28.00.

How many shares does Alex Trapp beneficially own after these transactions?

Following the reported transactions, the Form 4 shows the reporting person beneficially owning 14,035 shares.

Was the Form 4 signed by the reporting person?

The filing was signed by an attorney-in-fact (/s/ Steve Sinquefield) on 09/22/2025 on behalf of the reporting person.