# EDGAR Filing Document

**Accession Number:** 0001795624
**File Stem:** 0001101239-26-000119
**Filing Date:** 2026-6
**Character Count:** 8742
**Document Hash:** 62d75f475aec86d7689ac77429ed21c3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001101239-26-000119.hdr.sgml**: 20260603

**ACCESSION NUMBER**: 0001101239-26-000119

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260601

**FILED AS OF DATE**: 20260603

**DATE AS OF CHANGE**: 20260603

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Fox-Martin Adaire
- **CENTRAL INDEX KEY:** 0001795624

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40205
- **FILM NUMBER:** 261060775

**MAIL ADDRESS:**
- **STREET 1:** C/O EQUINIX, INC
- **STREET 2:** ONE LAGOON DRIVE
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94065
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** EQUINIX INC
- **CENTRAL INDEX KEY:** 0001101239
- **STANDARD INDUSTRIAL CLASSIFICATION:** REAL ESTATE INVESTMENT TRUSTS [6798]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 770487526
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** ONE LAGOON DRIVE
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94065
- **BUSINESS PHONE:** (650) 598-6000

**MAIL ADDRESS:**
- **STREET 1:** ONE LAGOON DRIVE
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94065

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Fox-Martin Adaire<br><sub>(Last) (First) (Middle)</sub><br>C/O EQUINIX, INC.<br>ONE LAGOON DRIVE<br><sub>(Street)</sub><br>REDWOOD CITY, CA 94065<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-06-01 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_CEO and President_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>EQUINIX INC [ EQIX ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2026-06-01 |  | M |  | 5645 | A | $0 | 25218.661 | D |  |
| Common Stock | 2026-06-02 |  | S<sup>(1)</sup> |  | 120 | D | 1052.2504<sup>(2)</sup> | 25098.661 | D |  |
| Common Stock | 2026-06-02 |  | S<sup>(1)</sup> |  | 120 | D | 1053.4529<sup>(3)</sup> | 24978.661 | D |  |
| Common Stock | 2026-06-02 |  | S<sup>(1)</sup> |  | 800 | D | 1054.368<sup>(4)</sup> | 24178.661 | D |  |
| Common Stock | 2026-06-02 |  | S<sup>(1)</sup> |  | 285 | D | 1055.2485<sup>(5)</sup> | 23893.661 | D |  |
| Common Stock | 2026-06-02 |  | S<sup>(1)</sup> |  | 315 | D | 1056.3317<sup>(6)</sup> | 23578.661 | D |  |
| Common Stock | 2026-06-02 |  | S<sup>(1)</sup> |  | 400 | D | 1057.59<sup>(7)</sup> | 23178.661 | D |  |
| Common Stock | 2026-06-02 |  | S<sup>(1)</sup> |  | 295 | D | 1060.9879<sup>(8)</sup> | 22883.661 | D |  |
| Common Stock | 2026-06-02 |  | S<sup>(1)</sup> |  | 600 | D | 1061.5252<sup>(9)</sup> | 22283.661 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock  Unit | $0 | 2026-06-01 |  | M |  |  | 5645 | <sup>(10)</sup> | <sup>(11)</sup> | Common Stock | 5645 | $0 | 0 | D |  |

---

### Footnotes:

(1) Shares were sold pursuant to a 10b5-1 Trading Plan in order to raise funds to pay the required withholding tax pursuant to the vesting of RSUs.

(2) The price reported in Column 4 is a weighted average price.   These shares were sold in multiple transactions at prices ranging from $1,051.69 to $1052.48, inclusive.  The reporting person undertakes to provide to Equinix, Inc, any security holder of Equinix Inc, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes 3 through 9 to this Form 4.

(3) The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $1,052.71 to $1,053.70 inclusive.

(4) The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $1,053.96 to $1,054.82 inclusive.

(5) The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $1,055.04 to $1,055.61 inclusive.

(6) The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $1,056.11 to $1,056.50 inclusive.

(7) The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $1,057.21 to $1,057.97 inclusive.

(8) The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $1,060.19 to $1,061.19 inclusive.

(9) The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $1,061.21 to $1,062.04 inclusive.

(10) Vesting is dependent upon continuous active service as an employee or director of the Company or a subsidiary of the Company (Service) throughout the vesting period. The Restricted Stock Units shall vest as follows: 25% of the RSUs vesting on December 1, 2024 and an additional 25% of the RSUs vesting every 6 months thereafter until fully vested..

(11) Restricted stock unit award expires upon reporting person's termination of service.

**Signature:** /s/ Samantha Lagocki, POA  
**Date:** 2026-06-03

### Remarks:

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.**