Altimmune CCO vests 24,000 RSUs, withholds shares
Altimmune’s Chief Commercial Officer saw RSUs vest into common stock, with a portion of shares withheld to satisfy taxes.
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Form Type
4
Rhea-AI Filing Summary
Altimmune, Inc. (ALT) reported that Chief Commercial Officer Linda M. Richardson had 24,000 Restricted Stock Units convert into 24,000 shares of common stock on September 16, 2026. Of these, 6,826 shares were surrendered to Altimmune solely to cover taxes on the RSU vesting. After this transaction, 72,000 RSUs remain outstanding, vesting over four years with 25% on September 16, 2026 and the balance in equal annual installments over the next three years, subject to continued service.
Insider Trade Summary
24,000 shares exercised/converted
Exercise
3 txns
Insider
Richardson Linda M
Role
Chief Commercial Officer
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Restricted Stock Units F1, F3 | 24,000 | $0.00 | $0.00 |
| Exercise | Common Stock, par value $0.0001 F1 | 24,000 | $0.00 | $0.00 |
| Tax Withholding | Common Stock, par value $0.0001 F2 | 6,826 | $3.24 | $22K |
Holdings After Transaction:
Restricted Stock Units — 72,000 contracts (Direct);
Common Stock, par value $0.0001 — 17,174 shares (Direct)
Holdings Before and After:
Restricted Stock Units, 96,000 to 72,000 contracts (Direct);
Common Stock, par value $0.0001, 0 to 17,174 shares (Direct)
Footnotes (3)
- F1. Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested.
- F2. Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs.
- F3. The RSUs become vested over four (4) years with 25% of the shares vesting on September 16, 2026, with the remainder vesting in equal annual installments for the following three (3) years, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.
Key Figures
RSUs converted: 24,000 units
Common shares acquired from RSUs: 24,000 shares
Shares withheld for taxes: 6,826 shares
+4 more
7 metrics
RSUs converted
24,000 units
Restricted Stock Units converted into common stock on September 16, 2026
Common shares acquired from RSUs
24,000 shares
Common stock received upon RSU conversion on September 16, 2026
Shares withheld for taxes
6,826 shares
Shares surrendered to Altimmune solely to cover taxes on RSU vesting
Tax withholding price per share
$3.24 per share
Price used for shares surrendered to cover taxes on September 16, 2026
RSUs remaining after transaction
72,000 units
Restricted Stock Units held after the September 16, 2026 conversion
Initial vesting percentage
25%
Portion of RSUs vesting on September 16, 2026
Remaining vesting period
3 years
RSUs vest in equal annual installments over the next three years
Key Terms
Restricted Stock Units, vesting, par value, taxes associated with vesting
4 terms
Restricted Stock Units financial
"Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
vesting financial
"Vesting transaction: Shares surrendered to the Issuer solely to cover taxes"
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.
par value financial
"Common Stock, par value $0.0001"
Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.
taxes associated with vesting financial
"cover taxes associated with vesting of RSUs"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transaction did ALT report for Chief Commercial Officer Linda Richardson?
Altimmune reported that 24,000 RSUs held by Chief Commercial Officer Linda M. Richardson converted into 24,000 shares of common stock on September 16, 2026, as part of her equity compensation vesting schedule.
How many Altimmune (ALT) RSUs does Linda Richardson still hold after this transaction?
Following the September 16, 2026 conversion, Linda M. Richardson beneficially holds 72,000 Restricted Stock Units (RSUs), each representing a contingent right to receive one share of Altimmune common stock when vested.
What is the vesting schedule for Linda Richardson’s RSUs at Altimmune (ALT)?
The RSUs vest over four years: 25% of the shares vest on September 16, 2026, with the remaining 75% vesting in equal annual installments over the following three years, subject to her continued service.
Were Linda Richardson’s Altimmune (ALT) transactions under a Rule 10b5-1 trading plan?
No. The filing indicates no Rule 10b5-1 trading plan for these transactions; they are reported as equity compensation vesting and related share withholding for tax purposes.
AI-generated analysis. How Rhea-AI works. Not financial advice.
