ETON (ETON) Form 144: Affiliate sales include 25,000-share disposals

Rhea-AI Filing Summary

ETON affiliate disclosed proposed sales of common stock under Section 144 and related issuer transfers, listing multiple grant-related issuances and recent dispositions by James R. Gruber. The filing lists a 25000-share sale on 06/25/2026, a 25000-share sale on 06/23/2026, and a 3,117-share sale on 06/02/2026.

The record also shows issuer-side stock option exercises and ESPU/RSU cash settlements with discrete share counts and dates through 06/26/2026.

Insights

Securities Compliance Analyst

Form 144 reports proposed and recent affiliate sales of common stock.

The filing lists specific proposed sales and issuer-side equity issuances, including stock option exercises and RSU/ESPP cash settlements with dated share counts through 06/26/2026. These are disclosure items required when affiliates intend to sell under Rule 144 or when issuer-side issuances occur.

Timing details and exact cash proceeds are provided per line items; cash‑flow recipients are the listed selling affiliate or the issuer as shown. Subsequent transaction settlements will appear in trade reports or Form 4 filings.

Corporate Actions Specialist

Lists recent dispositions by James R. Gruber and multiple issuer-side equity events.

The excerpt shows three reported dispositions by James R. Gruber totaling 53,117 shares across 06/02/2026, 06/23/2026, and 06/25/2026. It also records issuer-side exercises and RSU/ESPP cash settlements with specified share counts and grant/settlement dates.

These entries document transfer and resale activity; final settlement details and any Rule 144 holding-period qualifications are not detailed in the excerpt.

Key Figures

Disposition by Gruber - 06/25/2026: 25,000 shares Disposition by Gruber - 06/23/2026: 25,000 shares Disposition by Gruber - 06/02/2026: 3,117 shares +3 more

6 metrics

Disposition by Gruber - 06/25/2026 25,000 shares sale reported on 06/25/2026 with proceeds $875,251.00

Disposition by Gruber - 06/23/2026 25,000 shares sale reported on 06/23/2026 with proceeds $831,674.00

Disposition by Gruber - 06/02/2026 3,117 shares sale reported on 06/02/2026 with proceeds $84,041.00

Stock option exercise 228,959 shares listed as Stock Option Exercise on 06/26/2026 (Issuer)

ESPP cash settlement 822 shares ESPP cash settlement on 12/10/2025 (Issuer)

RSU cash settlements (examples) 7,082; 3,896; 4,176; 6,883 shares RSU cash settlements on 12/11/2025, 12/11/2025, 01/13/2026, and 06/01/2026 (Issuer)

Key Terms

Form 144, RSU, ESPP, Stock Option Exercise

4 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

RSU financial

"Common | 12/11/2025 | RSU | Issuer | | | 7082"

Restricted stock units (RSUs) are a form of company shares given to employees as part of their compensation, usually with certain restrictions or conditions, such as remaining with the company for a set period. When these restrictions lift, employees receive actual shares that they can sell or hold. For investors, RSUs can impact a company's stock supply and reflect the company's commitment to attracting and retaining talent.

ESPP financial

"Common | 12/10/2025 | ESPP | Issuer | | | 822"

An Employee Stock Purchase Plan (ESPP) is a company program that lets employees buy the company’s shares at a reduced price, usually by setting aside a small portion of their pay over time. It matters to investors because it encourages employees to own part of the business—like giving staff a discounted membership— which can boost commitment and performance, while also potentially increasing the number of shares available and affecting shareholder value.

Stock Option Exercise financial

"Common | 06/26/2026 | Stock Option Exercies"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

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Available on EDGAR 06/26/2026 - 04:14 PM Accepted by SEC EDGAR 06/26/2026 - 04:14 PM Learn about SEC filing dates

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

144: Filer Information

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

144: 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: 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	Raymond James & Associates 880 Carillon Parkway St. Petersburg FL 33716	251818	8990000.00	27390000	06/26/2026	Nasdaq

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: 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	06/26/2026	Stock Option Exercies	Issuer			228959	06/26/2026	Cash
Common	12/10/2025	ESPP	Issuer			822	12/10/2025	Cash
Common	12/11/2025	RSU	Issuer			7082	12/11/2025	Cash
Common	12/11/2025	RSU	Issuer			3896	12/11/2025	Cash
Common	01/13/2026	RSU	Issuer			4176	01/13/2026	Cash
Common	06/01/2026	RSU	Issuer			6883	06/01/2026	Cash

* 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: 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
James R. Gruber 618 Ames St Libertyville IL 60048	Common	06/25/2026	25000	875251.00
James R. Gruber 618 Ames St. Libertyville IL 60048	Common	06/23/2026	25000	831674.00
James R. Gruber 618 Ames St. Libertyville IL 60048	Common	06/02/2026	3117	84041.00

144: 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 ETON Form 144 disclose about insider sales?

The filing discloses proposed and reported sales by an affiliate, including James R. Gruber's reported dispositions of 25,000 shares on 06/25/2026 and 25,000 shares on 06/23/2026, plus 3,117 shares on 06/02/2026. It lists exact share counts and dates.

Does the filing show issuer equity issuances for ETON?

Yes. The excerpt lists issuer-side stock option exercises and cash-settled ESPP/RSU items with dated share counts (examples include 228,959 shares for an exercise on 06/26/2026 and several RSU/ESPP settlements in 12/2025 and 01/2026).

Who is selling the shares listed in the Form 144?

The selling affiliate named is James R. Gruber, with a listed address and three reported dispositions on 06/02/2026, 06/23/2026, and 06/25/2026. The filing attributes the specified share counts to that individual.

Are proceeds and cash‑flow recipients shown in the filing?

Yes. Each disposition line shows a dollar amount alongside share counts for the reported sales (for example, $875,251.00 for 25,000 shares on 06/25/2026), indicating the reported gross proceeds associated with those transactions.

Do these entries confirm completed trades or proposed sales?

The Form 144 lists both reported sales with dates (indicating transactions reported during the period) and proposed issuer-side transfers (exercises and settlements). It serves as a disclosure of intended or recent resale activity under Rule 144 rather than a trade confirmation service.