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FOSTER RONALD C

Disclosed activity across 3 companies

Tapewire entity
12510
SEC CIK
0001222896

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
ADVANCED ENERGY INDUSTRIES INCAEIS · Entity 3497DirectorMay 07, 2026May 08, 2026
EVERSPIN TECHNOLOGIES INC.MRAM · Entity 5701DirectorMay 19, 2020May 20, 2020
MICRON TECHNOLOGY INCMU · Entity 2793CFO & VP OF FINANCEFebruary 17, 2015February 19, 2015

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

ADVANCED ENERGY INDUSTRIES INC

Report date May 07, 2026 · Filed May 08, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect587 Reported balance After 2026-05-07 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-05-07 · Grant · Acquired 587 · Balance 587

F1: Represents an annual grant of restricted stock units to the reporting person on May 7, 2026 as the equity portion of the non-employee directors' retainer for Board services under the 2023 Amended and Restated Omnibus Incentive Plan. The restricted stock units vest on the one-year anniversary of the grant date contingent upon the reporting person's continued service as director upon such date.

F2: Restricted stock units are not exercisable and do not have an expiration date.

Filing footnotes · ownership attribution and instrument terms

F1: Represents an annual grant of restricted stock units to the reporting person on May 7, 2026 as the equity portion of the non-employee directors' retainer for Board services under the 2023 Amended and Restated Omnibus Incentive Plan. The restricted stock units vest on the one-year anniversary of the grant date contingent upon the reporting person's continued service as director upon such date.

F2: Restricted stock units are not exercisable and do not have an expiration date.

EVERSPIN TECHNOLOGIES INC.

Report date May 19, 2020 · Filed May 20, 2020

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect32,586 Reported balance After 2020-05-19 transaction · row 1
1 source row

Row 1 · 2020-05-19 · Grant · Acquired 22,586 · Balance 32,586

MICRON TECHNOLOGY INC

Report date February 17, 2015 · Filed February 19, 2015

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect593,416 Reported balance After 2015-02-17 transaction · row 1 Sequence does not reconcile; account continuity is unresolved.
1 source row

Row 1 · 2015-02-17 · Exercise / conversion · Acquired 13,000 · Balance 593,416

Common StockSEC Table I · non-derivativeDirect655,416 Reported balance After 2015-02-17 transaction · row 2 Sequence does not reconcile; account continuity is unresolved.
1 source row

Row 2 · 2015-02-17 · Exercise / conversion · Acquired 62,000 · Balance 655,416

Common StockSEC Table I · non-derivativeDirect680,416 Reported balance After 2015-02-18 transaction · row 3 Sequence does not reconcile; account continuity is unresolved.
1 source row

Row 3 · 2015-02-18 · Exercise / conversion · Acquired 25,000 · Balance 680,416

Common StockSEC Table I · non-derivativeDirect605,416 Reported balance After 2015-02-17 transaction · row 4 Sequence does not reconcile; account continuity is unresolved.
1 source row

Row 4 · 2015-02-17 · Sale · Disposed 75,000 · Balance 605,416

F1: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.65 to $32.705, inclusive

Common StockSEC Table I · non-derivativeDirect580,416 Reported balance After 2015-02-18 transaction · row 5 Sequence does not reconcile; account continuity is unresolved.
1 source row

Row 5 · 2015-02-18 · Sale · Disposed 25,000 · Balance 580,416

F2: This price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.25 to $32.27, inclusive

Non-qualified Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $7.46 · Expires 2015-10-05Direct0 Reported balance After 2015-02-17 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2015-02-17 · Exercise / conversion · Disposed 13,000 · Balance 0

F3: This stock option vested in four equal installments on October 5, 2010, 2011, 2012 and 2013

Non-qualified Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $5.16 · Expires 2017-10-11Direct318,000 Reported balance After 2015-02-17 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2015-02-17 · Exercise / conversion · Disposed 62,000 · Balance 318,000

F4: This stock option vests in four equal installments on October 11, 2102, 2013, 2014 and 2015

Non-qualified Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $5.16 · Expires 2017-10-11Direct293,000 Reported balance After 2015-02-18 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2015-02-18 · Exercise / conversion · Disposed 25,000 · Balance 293,000

F4: This stock option vests in four equal installments on October 11, 2102, 2013, 2014 and 2015

Common StockSEC Table I · non-derivativeIndirectHeld jointly with spouse1,026 Reported balance Holding disclosure · report date 2015-02-17 · row 6 Holding and transaction disclosures are not merged.
1 source row

Row 6 · Balance 1,026

Filing footnotes · ownership attribution and instrument terms

F1: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.65 to $32.705, inclusive

F2: This price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.25 to $32.27, inclusive

F3: This stock option vested in four equal installments on October 5, 2010, 2011, 2012 and 2013

F4: This stock option vests in four equal installments on October 11, 2102, 2013, 2014 and 2015

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 100 $11.39 $1,138.50
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 26

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 453,927

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 300 $11.38 $3,414.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 25

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 454,027

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 300 $11.37 $3,411.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 24

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 454,327

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 100 $11.36 $1,136.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 23

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 454,627

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 200 $11.36 $2,271.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 22

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 454,727

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 700 $11.35 $7,945.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 21

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 454,927

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 100 $11.35 $1,134.50
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 20

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 455,627

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 100 $11.33 $1,132.50
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 19

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 455,727

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 200 $11.32 $2,264.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 18

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 455,827

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 300 $11.32 $3,394.50
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 17

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 456,027

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 1,700 $11.31 $19,227.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 16

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 456,327

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 200 $11.31 $2,261.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 15

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 458,027

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 700 $11.30 $7,910.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 14

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 458,227

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 300 $11.30 $3,388.50
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 13

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 458,927

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 900 $11.29 $10,161.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 12

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 459,227

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 300 $11.28 $3,384.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 11

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 460,127

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 300 $11.28 $3,382.50
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 10

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 460,427

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 800 $11.27 $9,016.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 9

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 460,727

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 400 $11.27 $4,506.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 8

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 461,527

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 200 $11.26 $2,252.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 7

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 461,927

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 100 $11.26 $1,125.50
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 6

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 462,127

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 400 $11.25 $4,500.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 5

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 462,227

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 200 $11.25 $2,249.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 4

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 462,627

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 300 $11.24 $3,372.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 3

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 462,827

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 Exercise / conversionCOMMON STOCK 10,000 $4.48 $44,800.00
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 2

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 463,127

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 18:58 UTC MICRON TECHNOLOGY INC MU · Entity 2793 Tax withholdingCOMMON STOCK 7,172 $11.46 $82,191.12
Disclosure

SEC source: 0000723125-11-000068 · edgar.xml · nonDerivative · entry 1

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 453,127

F1 · price: Withholding of shares of common stock to satisfy tax withholding obligations in connection with the vesting of restricted stock awarded under the Issuer's 2004 Equity Incentive Plan.

Read SEC document
April 01, 2011 Filed Apr 4, 2011 19:08 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 100 $11.54 $1,154.00
Disclosure

SEC source: 0000723125-11-000069 · edgar.xml · nonDerivative · entry 4

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 453,127

Read SEC document
April 01, 2011 Filed Apr 4, 2011 19:08 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 100 $11.48 $1,148.00
Disclosure

SEC source: 0000723125-11-000069 · edgar.xml · nonDerivative · entry 3

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 453,227

F1 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 19:08 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 100 $11.47 $1,146.50
Disclosure

SEC source: 0000723125-11-000069 · edgar.xml · nonDerivative · entry 2

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 453,327

F1 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
April 01, 2011 Filed Apr 4, 2011 19:08 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 100 $11.41 $1,141.00
Disclosure

SEC source: 0000723125-11-000069 · edgar.xml · nonDerivative · entry 1

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 453,527

F1 · price: Transactions pursuant to 10b5-1 Trading Plan entered into on February 16, 2011

Read SEC document
March 29, 2011 Filed Mar 30, 2011 18:42 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCommon Stock 800 $11.71 $9,364.00
Disclosure

SEC source: 0000723125-11-000062 · edgar.xml · nonDerivative · entry 2

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 460,299

Read SEC document
March 29, 2011 Filed Mar 30, 2011 18:42 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCommon Stock 39,200 $11.70 $458,640.00
Disclosure

SEC source: 0000723125-11-000062 · edgar.xml · nonDerivative · entry 1

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 461,099

Read SEC document
February 16, 2011 Filed Aug 29, 2011 20:11 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCommon Stock 3,200 $11.77 $37,648.00
Disclosure

SEC source: 0000723125-11-000125 · edgar.xml · nonDerivative · entry 4

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 388,127

Read SEC document
February 16, 2011 Filed Aug 29, 2011 20:11 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCommon Stock 5,300 $11.76 $62,328.00
Disclosure

SEC source: 0000723125-11-000125 · edgar.xml · nonDerivative · entry 3

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 391,327

Read SEC document
February 16, 2011 Filed Aug 29, 2011 20:11 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCommon Stock 800 $11.76 $9,404.00
Disclosure

SEC source: 0000723125-11-000125 · edgar.xml · nonDerivative · entry 2

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 396,627

Read SEC document
February 16, 2011 Filed Aug 29, 2011 20:11 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCommon Stock 15,700 $11.75 $184,475.00
Disclosure

SEC source: 0000723125-11-000125 · edgar.xml · nonDerivative · entry 1

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 397,427

Read SEC document
February 15, 2011 Filed Feb 16, 2011 19:14 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 9,200 $11.61 $106,812.00
Disclosure

SEC source: 0000723125-11-000048 · edgar.xml · nonDerivative · entry 4

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 500,299

Read SEC document
February 15, 2011 Filed Feb 16, 2011 19:14 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 7,500 $11.61 $87,037.50
Disclosure

SEC source: 0000723125-11-000048 · edgar.xml · nonDerivative · entry 3

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 509,499

Read SEC document
February 15, 2011 Filed Feb 16, 2011 19:14 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 8,300 $11.60 $96,280.00
Disclosure

SEC source: 0000723125-11-000048 · edgar.xml · nonDerivative · entry 2

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 516,999

Read SEC document
February 07, 2011 Filed Feb 9, 2011 22:48 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 100 $11.16 $1,115.50
Disclosure

SEC source: 0000723125-11-000044 · edgar.xml · nonDerivative · entry 7

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 525,299

F1 · shares: Sold in accordance with 10b5-1 plan established February 17, 2010.

Read SEC document
February 07, 2011 Filed Feb 9, 2011 22:48 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 1,000 $11.18 $11,175.00
Disclosure

SEC source: 0000723125-11-000044 · edgar.xml · nonDerivative · entry 6

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 525,399

F1 · shares: Sold in accordance with 10b5-1 plan established February 17, 2010.

Read SEC document
February 07, 2011 Filed Feb 9, 2011 22:48 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 1,400 $11.17 $15,631.00
Disclosure

SEC source: 0000723125-11-000044 · edgar.xml · nonDerivative · entry 5

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 526,399

F1 · shares: Sold in accordance with 10b5-1 plan established February 17, 2010.

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February 07, 2011 Filed Feb 9, 2011 22:48 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 22,600 $11.17 $252,442.00
Disclosure

SEC source: 0000723125-11-000044 · edgar.xml · nonDerivative · entry 4

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 527,799

F1 · shares: Sold in accordance with 10b5-1 plan established February 17, 2010.

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February 07, 2011 Filed Feb 9, 2011 22:48 UTC MICRON TECHNOLOGY INC MU · Entity 2793 SaleCOMMON STOCK 4,900 $11.16 $54,684.00
Disclosure

SEC source: 0000723125-11-000044 · edgar.xml · nonDerivative · entry 3

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 550,399

F1 · shares: Sold in accordance with 10b5-1 plan established February 17, 2010.

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December 09, 2010 Filed Feb 9, 2011 22:48 UTC MICRON TECHNOLOGY INC MU · Entity 2793 GiftCOMMON STOCK 1,000 $0.00 $0.00
Disclosure

SEC source: 0000723125-11-000044 · edgar.xml · nonDerivative · entry 1

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 555,299

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October 11, 2010 Filed Oct 13, 2010 21:20 UTC MICRON TECHNOLOGY INC MU · Entity 2793 OtherNon-Qualified Stock Option · Derivative 260,000 $7.59 Strike: $7.59 $1,973,400.00
Disclosure

SEC source: 0000723125-10-000162 · edgar.xml · derivative · entry 5

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 260,000

Underlying: Common Stock · 260,000 shares

Expires 2016-10-11

F5 · derivative.exercise_date: Stock Options vest in 25% increments annually on anniversary date of grant.

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October 11, 2010 Filed Oct 13, 2010 21:20 UTC MICRON TECHNOLOGY INC MU · Entity 2793 Tax withholdingCOMMON STOCK 37,170 $7.59 $282,120.30
Disclosure

SEC source: 0000723125-10-000162 · edgar.xml · nonDerivative · entry 3

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 556,299

F4 · price: Withholding of shares of common stock to satisfy tax withholding obligations in connection with the vesting of restricted stock awarded under the Issuer's 2004 Equity Incentive Plan.

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October 11, 2010 Filed Oct 13, 2010 21:20 UTC MICRON TECHNOLOGY INC MU · Entity 2793 GrantCOMMON STOCK 82,000 $0.00 $0.00
Disclosure

SEC source: 0000723125-10-000162 · edgar.xml · nonDerivative · entry 2

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 593,469

F3 · shares: The vesting of restricted shares is subject to achievement of certain performance criteria. In the event that the performance criteria are not met, the restricted shares will be forfeited.

F2 · price: Not Applicable - grant of restricted stock

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October 11, 2010 Filed Oct 13, 2010 21:20 UTC MICRON TECHNOLOGY INC MU · Entity 2793 GrantCOMMON STOCK 66,000 $0.00 $0.00
Disclosure

SEC source: 0000723125-10-000162 · edgar.xml · nonDerivative · entry 1

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 511,469

F1 · shares: Restricted Stock Awards vest in 25% increments annually on anniversary date of grant.

F2 · price: Not Applicable - grant of restricted stock

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October 05, 2010 Filed Oct 6, 2010 18:15 UTC MICRON TECHNOLOGY INC MU · Entity 2793 Tax withholdingCOMMON STOCK 7,412 $6.99 $51,809.88
Disclosure

SEC source: 0000723125-10-000136 · edgar.xml · nonDerivative · entry 1

FOSTER RONALD C · CIK 0001222896 · CFO & VP OF FINANCE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 445,469

F1 · price: Withholding of shares of common stock to satisfy tax withholding obligations in connection with the vesting of restricted stock awarded under the Issuer's 2004 Equity Incentive Plan.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.