Archer CTO sells shares for RSU tax withholding
Archer Aviation Inc.’s Chief Technology Officer, Thomas Paul Muniz, reported multiple stock transactions.
Rhea-AI Filing Summary
Archer Aviation Inc.’s Chief Technology Officer, Thomas Paul Muniz, reported multiple stock transactions. On May 15 and May 18, 2026, he sold a total of 136,579 shares of Class A Common Stock at weighted average prices around $6 per share. Footnotes state these shares were sold to satisfy tax withholding obligations tied to the vesting of restricted and performance restricted stock units, rather than discretionary sales. On May 15, several awards of restricted stock units were also converted into a total of 168,026 shares of Class A Common Stock. Following these transactions, Muniz directly holds 1,462,314 shares of Class A Common Stock.
Positive
- None.
Negative
- None.
Insider Trade Summary
Exercise and sale activity reported; no spread calculated
Exercise and Sale
10 txns
Insider
Muniz Thomas Paul
Role
CHIEF TECHNOLOGY OFFICER
Sold
136,579 shs ($818K)
Approx. gross sale proceeds
$818K
Approx. exercise cost
$0.00
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Class A Common Stock | 91,839 | $5.9527 | $547K |
| Exercise | Restricted Stock Units | 143,750 | $0.00 | $0.00 |
| Exercise | Restricted Stock Units | 8,946 | $0.00 | $0.00 |
| Exercise | Restricted Stock Units | 7,611 | $0.00 | $0.00 |
| Exercise | Restricted Stock Units | 7,719 | $0.00 | $0.00 |
| Exercise | Class A Common Stock | 143,750 | $0.00 | $0.00 |
| Exercise | Class A Common Stock | 8,946 | $0.00 | $0.00 |
| Exercise | Class A Common Stock | 7,611 | $0.00 | $0.00 |
| Exercise | Class A Common Stock | 7,719 | $0.00 | $0.00 |
| Sale | Class A Common Stock | 44,740 | $6.0611 | $271K |
Holdings After Transaction:
Restricted Stock Units — 760,465 contracts (Direct);
Class A Common Stock — 1,462,314 shares (Direct)
Footnotes (10)
- F1. Represents shares of Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting of performance restricted stock units, which was separately reported on a Form 4 filed with the U.S. Securities and Exchange Commission on April 22, 2026.
- F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.005 to $6.135 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote and in footnote 4 of this Form 4.
- F3. Represents shares of Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units.
- F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.87 to $6.13 per share, inclusive.
- F5. Each restricted stock unit represents a contingent right to receive one share of the issuer's Class A Common Stock, subject to the reporting person's continued status as a service provider to the issuer.
- F6. The award vested or vests as to: (i) 1/4 of the total award on May 15, 2024; and (ii) 1/16 of the total award quarterly thereafter on March 1, May 15, August 15, and November 15.
- F7. These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.
- F8. The award vested or vests quarterly as to 1/16 of the total award, with the first tranche vested on May 15, 2024, and thereafter on August 15, November 15, March 1, and May 15.
- F9. The award vested or vests quarterly as to 1/12 of the total award, with the first tranche vested on March 1, 2025, and thereafter on May 15, August 15, November 15, and March 1.
- F10. The award vested or vests quarterly as to 1/12 of the total award, with the first tranche vested on March 1, 2026, and thereafter on May 15, August 15, November 15, and March 1.
Key Figures
Shares sold May 15, 2026: 44,740 shares at $6.0611/share
Shares sold May 18, 2026: 91,839 shares at $5.9527/share
Total shares sold: 136,579 shares
+4 more
7 metrics
Shares sold May 15, 2026
44,740 shares at $6.0611/share
Open-market sale of Class A Common Stock to satisfy tax withholding
Shares sold May 18, 2026
91,839 shares at $5.9527/share
Open-market sale of Class A Common Stock to satisfy tax withholding
Total shares sold
136,579 shares
Net sell shares across reported transactions
Shares after transactions
1,462,314 shares
Total Class A Common Stock directly held after May 18, 2026
RSUs converted to shares
168,026 units
Total restricted stock units exercised or converted into Class A shares
Price range footnote F2
$6.005–$6.135/share
Multiple transactions underlying weighted average price on one sale date
Price range footnote F4
$5.87–$6.13/share
Multiple transactions underlying weighted average price on another sale date
Key Terms
restricted stock units, performance restricted stock units, weighted average price, tax withholding obligations, +2 more
6 terms
restricted stock units financial
"Represents shares of Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units."
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.
performance restricted stock units financial
"Represents shares of Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting of performance restricted stock units."
Performance restricted stock units (PRSUs) are promises to deliver company shares to employees or executives only if the business meets specific performance targets and any time-based holding rules. Think of them as a bonus that converts into stock only after set goals are reached, so investors watch PRSUs for two reasons: they can dilute existing shares if paid out, and they signal how closely management’s pay is tied to company performance.
weighted average price financial
"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.005 to $6.135 per share."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
tax withholding obligations financial
"Represents shares of Class A Common Stock sold to satisfy tax withholding obligations incurred in connection with the vesting of restricted stock units."
contingent right financial
"Each restricted stock unit represents a contingent right to receive one share of the issuer's Class A Common Stock."
vested or vests quarterly financial
"The award vested or vests quarterly as to 1/16 of the total award, with the first tranche vested on May 15, 2024."
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What did Archer Aviation (ACHR) CTO Thomas Paul Muniz report in this Form 4?
Thomas Paul Muniz reported sales and conversions of Archer Aviation Class A Common Stock. The filing shows tax-related sales of vested restricted stock units and performance restricted stock units, plus shares acquired from those vestings, with updated direct holdings after the transactions.
What restricted stock unit activity did Archer Aviation’s CTO report?
On May 15, 2026, several restricted stock unit awards converted into Class A Common Stock, including tranches of 7,719, 7,611, 8,946, and 143,750 units. Each restricted stock unit represents a contingent right to receive one Archer Aviation Class A share upon vesting.
How do the Archer Aviation (ACHR) CTO’s restricted stock units vest over time?
Footnotes explain different vesting schedules: some awards vest 1/4 on May 15, 2024 and 1/16 quarterly thereafter; others vest 1/16 quarterly starting May 15, 2024, or 1/12 quarterly starting March 1, 2025 or March 1, 2026, continuing on specified calendar dates.
AI-generated analysis. How Rhea-AI works. Not financial advice.
