Timothy Go sells 16,184 HF Sinclair shares (DINO) — Form 144/A amendment

Rhea-AI Filing Summary

Timothy Go filed an amended Form 144 reporting the sale of 16,184 shares of HF Sinclair Corp. The reported sale date is 05/15/2026 for proceeds of $1,123,856.61. The filing lists Pershing Advisor Solutions as the broker and shows an amendment date of 05/18/2026.

Insights

Corporate Governance Specialist

Amendment documents a disclosed brokered insider sale with listed proceeds.

The filing records a sale of 16,184 shares of HF Sinclair Corp on 05/15/2026 with proceeds of $1,123,856.61. Pershing Advisor Solutions is named as the executing broker and the Form 144/A shows an amendment dated 05/18/2026.

The item is routine disclosure of an insider disposition; timing and cash‑flow counterparties are explicit in the excerpt. Subsequent filings or broker confirmations would show execution details if needed.

Key Figures

Shares sold: 16,184 shares Proceeds reported: $1,123,856.61 Broker listed: Pershing Advisor Solutions +2 more

5 metrics

Shares sold 16,184 shares Sale date <date>05/15/2026</date>

Proceeds reported $1,123,856.61 Proceeds tied to the 16,184‑share sale

Broker listed Pershing Advisor Solutions Broker information in the Form 144/A entry

Amendment date 05/18/2026 Form 144/A amendment date shown in excerpt

Additional shares/line item 4,768 Quantity shown under 'Securities To Be Sold' and vesting lines in excerpt

Key Terms

Form 144/A, Vested Stock, Pershing Advisor Solutions

3 terms

Form 144/A regulatory

"Amended Form 144 reporting sales and broker details"

Vested Stock financial

"Line: '06/09/2022 | Vested Stock' showing grant/vesting context"

Pershing Advisor Solutions market

"Broker listed as 'Pershing Advisor Solutions One Pershing Plaza Jersey City NJ'"

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144/A

144/A: Filer Information

Filer CIK
Filer CCC
Previous Accession Number Of The Filing
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144/A: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144/A: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Pershing Advisor Solutions One Pershing Plaza Jersey City NJ 07399	4768	339958.40	180275437	05/18/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144/A: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/09/2022	Vested Stock	HF Sinclair			4768	06/09/2022	Vesting

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144/A: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Timothy Go 4325 Fairfax Ave Dallas TX 75206	HF Sinclair Corp	05/15/2026	16184	1123856.61

144/A: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144/A filed by Timothy Go (DINO) disclose?

It discloses a sale of 16,184 shares of HF Sinclair Corp for $1,123,856.61. The filing lists the sale date as 05/15/2026, names Pershing Advisor Solutions as broker, and shows the amendment date 05/18/2026.

How much cash did Timothy Go report receiving in the Form 144/A?

The filing shows proceeds of $1,123,856.61. That value is reported alongside the 16,184‑share sale dated 05/15/2026 in the amended Form 144/A excerpt.

Which broker is listed on the amended Form 144/A for this transaction?

Pershing Advisor Solutions is listed as the broker. The excerpt includes broker details (Pershing Advisor Solutions, Jersey City, NJ) in the securities/broker fields of the Form 144/A entry.

When was the Form 144/A amendment dated and when was the sale reported?

The sale date is reported as 05/15/2026 and the amendment is dated 05/18/2026. These dates appear in the filing lines provided in the excerpt.