STOCK TITAN

Avalo Therapeutics (AVTX) CMO exercises options, sells 3,970 shares in 10b5-1 trades

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

Rhea-AI Filing Summary

Avalo Therapeutics, Inc. Chief Medical Officer Mittie Doyle exercised stock options and sold the resulting shares in a planned transaction. On April 6, 2026, Doyle exercised options to acquire 3,970 shares of common stock at $12.65 per share, then sold all 3,970 shares in open-market trades at an average price of about $18.01, with individual trades ranging from $18.00 to $18.10. Following the sale, Doyle directly held 3,622 shares of common stock and 210,530 stock options. The filing notes these transactions were made under a pre-arranged Rule 10b5-1 trading plan adopted on November 13, 2025, and that the underlying option vests over four years, with 25% vesting on July 15, 2025 and the remainder in equal monthly installments over the next three years.

Positive

  • None.

Negative

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Insider Doyle Mittie
Role Chief Medical Officer
Sold 3,970 shs ($72K)
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) 3,970 $0.00 --
Exercise Common Stock 3,970 $12.65 $50K
Sale Common Stock 3,970 $18.0122 $72K
Holdings After Transaction: Stock Option (Right to Buy) — 210,530 shares (Direct); Common Stock — 7,592 shares (Direct)
Footnotes (1)
  1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 13, 2025. The reported securities were sold in multiple transactions at prices ranging from $18.00 to $18.10. 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 such range. The stock option vests twenty-five percent (25%) on July 15, 2025 and the remainder will vest in equal monthly installments over the following three (3) years, subject to the Reporting Person's continued service on each such vesting date.
Options exercised 3,970 shares Stock option exercise on April 6, 2026
Option exercise price $12.65 per share Strike price for exercised stock option
Shares sold 3,970 shares Open-market sale on April 6, 2026
Average sale price $18.0122 per share Common stock sale price
Sale price range $18.00–$18.10 per share Multiple transactions within this range
Shares held after sale 3,622 shares Direct common stock holdings post-transaction
Options held after exercise 210,530 options Total stock options following the transaction
Option expiration July 15, 2034 Expiration date of the stock option
Rule 10b5-1 trading plan regulatory
"transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Stock Option (Right to Buy) financial
"security_title: Stock Option (Right to Buy)"
open-market sale financial
"transaction_action: open-market sale"
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
vesting financial
"The stock option vests twenty-five percent (25%) on July 15, 2025 and the remainder will vest"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
derivative security financial
"transaction_code_description: Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
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).
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*
Doyle Mittie

(Last)(First)(Middle)
C/O AVALO THERAPEUTICS, INC.
1500 LIBERTY RIDGE DRIVE, SUITE 321

(Street)
WAYNE PENNSYLVANIA 19087

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Avalo Therapeutics, Inc. [ AVTX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Medical Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/06/2026
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 Stock04/06/2026M(1)3,970A$12.657,592D
Common Stock04/06/2026S(1)3,970D$18.0122(2)3,622D
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
Stock Option (Right to Buy)$12.6504/06/2026M(1)3,970 (3)07/15/2034Common Stock3,970$0210,530D
Explanation of Responses:
1. The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 13, 2025.
2. The reported securities were sold in multiple transactions at prices ranging from $18.00 to $18.10. 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 such range.
3. The stock option vests twenty-five percent (25%) on July 15, 2025 and the remainder will vest in equal monthly installments over the following three (3) years, subject to the Reporting Person's continued service on each such vesting date.
/s/ Christopher Sullivan, Attorney-in-Fact04/08/2026
** 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 transaction did AVTX Chief Medical Officer Mittie Doyle report?

Mittie Doyle reported exercising stock options for 3,970 Avalo Therapeutics shares at $12.65 and selling all 3,970 shares in open-market trades around $18.01. The moves were part of routine equity compensation management rather than an open-market share purchase.

At what prices were Mittie Doyle’s AVTX shares sold in this Form 4?

The reported Avalo Therapeutics shares were sold in multiple open-market transactions at prices ranging from $18.00 to $18.10 per share. The average sale price disclosed is about $18.0122, reflecting small price variations across individual trades within that narrow band.

How many Avalo Therapeutics shares does Mittie Doyle hold after this Form 4?

After the reported transactions, Mittie Doyle directly holds 3,622 shares of Avalo Therapeutics common stock. The filing also shows 210,530 stock options outstanding following the option exercise, highlighting a remaining long-term equity position tied to future company performance.

Was Mittie Doyle’s AVTX stock sale under a Rule 10b5-1 trading plan?

Yes. The Form 4 states the transactions were effected under a Rule 10b5-1 trading plan adopted on November 13, 2025. Such pre-arranged plans schedule trades in advance, reducing the significance of day-to-day market timing decisions for these sales.

What are the key terms of the stock option exercised by Mittie Doyle at Avalo Therapeutics?

The exercised stock option carried a $12.65 strike price and an expiration date of July 15, 2034. It vests 25% on July 15, 2025, with remaining shares vesting in equal monthly installments over three years, contingent on continued service with Avalo Therapeutics.