Micron (MU) HR chief April Arnzen sells 40,000 shares under 10b5-1 plan
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Micron Technology EVP and Chief People Officer April S. Arnzen reported open-market sales of 40,000 shares of Micron common stock on July 1, 2026. The transactions were executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 19, 2025.
The 18 separate trades were completed at weighted-average prices ranging from $1,077.00 to $1,096.00 per share, as detailed in multiple price-range footnotes. All transactions involved common stock and are reported as direct ownership sales.
Positive
- None.
Negative
- None.
Insights
Pre-planned sale of 40,000 Micron shares by EVP, neutral signal.
April S. Arnzen, Micron’s EVP and Chief People Officer, sold 40,000 common shares in 18 open-market transactions on July 1, 2026. Prices ranged from $1,077.00 to $1,096.00 per share, according to detailed footnote ranges.
The filing states these sales were made under a Rule 10b5-1 trading plan adopted on December 19, 2025. Such plans are established in advance and automate trades, so the timing generally carries less informational weight about management’s current view of the stock.
There are no derivative exercises or tax-withholding entries in this report, and the derivativeSummary is empty, indicating only straight common-share sales are involved. Future company filings may provide broader context on Arnzen’s overall equity holdings and compensation structure.
Insider Trade Summary 10b5-1
Net Seller: 40,000 shares ($43,357,473)
Net Sell
18 txns
Insider
ARNZEN APRIL S
Role
EVP and Chief People Officer
Sold
40,000 shs ($43.36M)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Common Stock | 4,279 | $1,077.05 | $4.61M |
| Sale | Common Stock | 1,247 | $1,078.47 | $1.34M |
| Sale | Common Stock | 10,497 | $1,079.99 | $11.34M |
| Sale | Common Stock | 3,572 | $1,080.96 | $3.86M |
| Sale | Common Stock | 929 | $1,082.28 | $1.01M |
| Sale | Common Stock | 3,593 | $1,083.31 | $3.89M |
| Sale | Common Stock | 794 | $1,084.12 | $861K |
| Sale | Common Stock | 2,944 | $1,085.27 | $3.20M |
| Sale | Common Stock | 2,105 | $1,086.38 | $2.29M |
| Sale | Common Stock | 1,328 | $1,087.21 | $1.44M |
| Sale | Common Stock | 220 | $1,088.12 | $239K |
| Sale | Common Stock | 267 | $1,089.04 | $291K |
| Sale | Common Stock | 288 | $1,090.60 | $314K |
| Sale | Common Stock | 2,317 | $1,091.71 | $2.53M |
| Sale | Common Stock | 2,510 | $1,092.68 | $2.74M |
| Sale | Common Stock | 705 | $1,093.92 | $771K |
| Sale | Common Stock | 2,125 | $1,095.25 | $2.33M |
| Sale | Common Stock | 280 | $1,095.88 | $307K |
Holdings After Transaction:
Common Stock — 121,458 shares (Direct)
Footnotes (1)
- The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 19, 2025 The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,077.00 to $1,077.79 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,078.13 to $1,079.11 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,079.29 to $1,080.24 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,080.32 to $1,081.30 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,081.70 to $1,082.65 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,082.76 to $1,083.74 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,083.78 to $1,084.64 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,084.79 to $1,085.71 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,085.82 to $1,086.725 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,086.835 to $1,087.67 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,087.86 to $1,088.72 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,088.89 to $1,089.85 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,090.00 to $1,090.92 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,091.15 to $1,092.10 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,092.25 to $1,093.00 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,093.32 to $1,094.17 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,094.47 to $1,095.34 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,095.48 to $1,096.00 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Key Figures
Shares sold: 40,000 shares
Number of transactions: 18 trades
Lowest sale price: $1,077.00 per share
+3 more
6 metrics
Shares sold
40,000 shares
Total common shares sold on July 1, 2026
Number of transactions
18 trades
Non-derivative open-market sales of common stock
Lowest sale price
$1,077.00 per share
Lower end of disclosed price ranges in footnotes
Highest sale price
$1,096.00 per share
Upper end of disclosed price ranges in footnotes
Rule 10b5-1 plan adoption date
December 19, 2025
Date the pre-planned trading arrangement was adopted
Net share direction
40,000 net shares sold
transactionSummary netBuySellShares and net-sell direction
Key Terms
Rule 10b5-1 trading plan, weighted average price, open-market sale, non-derivative, +1 more
5 terms
Rule 10b5-1 trading plan regulatory
"The sales reported on 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.
weighted average price financial
"The reported price in Column 4 is a weighted average price."
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.
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.
non-derivative financial
""transaction_type": "non-derivative""
common stock financial
""security_title": "Common Stock""
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.
FAQ
What did Micron (MU) executive April Arnzen report in this Form 4 filing?
April S. Arnzen reported selling 40,000 Micron shares. The EVP and Chief People Officer disclosed 18 open-market sales of Micron common stock on July 1, 2026, executed under a Rule 10b5-1 trading plan adopted in December 2025.
What type of transactions are reported in April Arnzen’s Micron (MU) Form 4?
All reported transactions are open-market sales of common stock. The filing lists 18 non-derivative sales coded “S,” each describing open-market or private transaction sales of Micron common stock directly owned by the reporting person.
Does April Arnzen’s Micron (MU) Form 4 include option exercises or tax withholding?
No, the Form 4 only shows common-stock sales. The transaction summary reports zero derivative exercises, gifts, tax-withholding dispositions, or restructuring events, and the derivativeSummary is empty, indicating no options or similar instruments were exercised in this filing.
How many separate trades did April Arnzen execute in this Micron (MU) sale?
The Form 4 records 18 individual sale transactions. These non-derivative trades, all dated July 1, 2026, collectively total 40,000 Micron common shares and are reported with weighted-average prices and detailed price ranges in multiple footnotes.