Dexcom (NASDAQ: DXCM) CEO has shares withheld to cover RSU taxes

Filing Impact

(High)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Dexcom Inc. President, CEO, and Director Jacob Steven Leach reported a tax-related share withholding and updated holdings. On this Form 4, 1,451 shares of common stock were withheld at $71.90 per share to satisfy tax obligations tied to net settlement of restricted stock units, and a footnote states this does not represent a sale by him.

After this withholding, Leach directly owned 420,359 Dexcom shares. A separate entry shows 47,296 shares held indirectly as family holdings through the Gregg Family Grandchildren's Trust, where his spouse serves as a trustee. Footnotes also note 145,686 unvested restricted stock units scheduled to vest between March 8, 2027 and March 8, 2029.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Leach Jacob Steven

Role President, CEO, and Director

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	1,451	$71.90	$104K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 420,359 shares (Direct, null); Common Stock — 47,296 shares (Indirect, Family Holdings)

Footnotes (1)

Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person. Included in this number are 145,686 unvested restricted stock units, 104,516 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 23,937 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 8,549 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 8,684 of which were granted on March 8, 2024 and shall vest through March 8, 2027. Shares are held by the Gregg Family Grandchildren's Trust UAD 12/30/2010, with respect to which the Reporting Person's spouse is a trustee.

Key Figures

Tax withholding shares: 1,451 shares Withholding price: $71.90/share Direct shares after transaction: 420,359 shares +5 more

8 metrics

Tax withholding shares 1,451 shares Withheld at $71.90 per share to cover RSU tax obligations

Withholding price $71.90/share Value per share for 1,451 withheld shares

Direct shares after transaction 420,359 shares Direct Dexcom common stock held following tax withholding

Indirect family trust holdings 47,296 shares Shares held by Gregg Family Grandchildren's Trust

Total unvested RSUs 145,686 RSUs Unvested restricted stock units scheduled to vest through March 8, 2029

RSUs granted March 8, 2026 104,516 RSUs Grant vesting through March 8, 2029

RSUs granted March 8, 2025 (two grants) 32,486 RSUs 23,937 vesting through March 8, 2028 and 8,549 through March 8, 2027

RSUs granted March 8, 2024 8,684 RSUs Grant vesting through March 8, 2027

Key Terms

restricted stock units, net settlement, tax withholding, unvested restricted stock units, +1 more

5 terms

restricted stock units financial

"in connection with the net settlement of restricted stock units and does not represent a sale"

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.

net settlement financial

"to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units"

tax withholding financial

"required to be withheld by the Issuer to cover tax withholding and remittance obligations"

Tax withholding is the practice of taking a portion of a payment—such as wages, dividends, or sale proceeds—before it reaches the recipient and sending that portion to the tax authority as an advance on the recipient’s eventual tax bill. For investors it matters because withholding reduces immediate cash received and affects after‑tax returns, estimated tax payments, and whether you may owe more or receive a refund when taxes are finally calculated, like having a small automatic savings set aside for your tax bill.

unvested restricted stock units financial

"Included in this number are 145,686 unvested restricted stock units, 104,516 of which were granted"

Family Grandchildren's Trust financial

"Shares are held by the Gregg Family Grandchildren's Trust UAD 12/30/2010"

Form 4 Insider Transactions: What Each Field Means →

05/27/2026 - 04:39 PM

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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^*

Leach Jacob Steven

(Last)

(First)

(Middle)

6340 SEQUENCE DRIVE

(Street)

SAN DIEGO

CALIFORNIA

92121

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
DEXCOM INC [ DXCM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President, CEO, and Director

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/22/2026		F		1,451⁽¹⁾	D	$71.9	420,359⁽²⁾	D
Common Stock								47,296	I	Family Holdings⁽³⁾

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Represents the number of shares required to be withheld by the Issuer to cover tax withholding and remittance obligations in connection with the net settlement of restricted stock units and does not represent a sale by the Reporting Person.

2. Included in this number are 145,686 unvested restricted stock units, 104,516 of which were granted on March 8, 2026 and shall vest through March 8, 2029, 23,937 of which were granted on March 8, 2025 and shall vest through March 8, 2028, 8,549 of which were granted on March 8, 2025 and shall vest through March 8, 2027, and 8,684 of which were granted on March 8, 2024 and shall vest through March 8, 2027.

3. Shares are held by the Gregg Family Grandchildren's Trust UAD 12/30/2010, with respect to which the Reporting Person's spouse is a trustee.

Remarks:

	/s/ Jereme M. Sylvain, as Attorney-in-Fact for Jacob Steven Leach	05/27/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What did Dexcom (DXCM) CEO Jacob Steven Leach report in this Form 4?

Dexcom CEO Jacob Steven Leach reported a tax-related share withholding and updated his share ownership. The filing shows shares withheld to cover RSU tax obligations, a large remaining direct stake, indirect family trust holdings, and a sizable pool of unvested restricted stock units.

How many Dexcom (DXCM) shares were withheld for Jacob Leach’s taxes?

The Form 4 shows that 1,451 Dexcom common shares were withheld at $71.90 per share. A footnote explains these shares covered tax withholding and remittance obligations from restricted stock unit settlement and explicitly notes this does not represent a sale by Jacob Leach.

How many Dexcom (DXCM) shares does Jacob Leach hold after this transaction?

Following the tax withholding transaction, Jacob Leach directly held 420,359 Dexcom common shares. The filing also reports 47,296 additional shares held indirectly as family holdings through the Gregg Family Grandchildren's Trust, where his spouse serves as a trustee.

What indirect Dexcom (DXCM) holdings are reported for Jacob Leach?

The filing reports 47,296 Dexcom shares held indirectly as family holdings. These shares are owned by the Gregg Family Grandchildren's Trust UAD 12/30/2010, for which Jacob Leach’s spouse acts as trustee, providing additional exposure beyond his direct share ownership.

How many unvested Dexcom (DXCM) restricted stock units does Jacob Leach have?

Footnotes state Jacob Leach has 145,686 unvested restricted stock units. These include grants made on March 8 in 2024, 2025, and 2026, with scheduled vesting dates ranging from March 8, 2027 through March 8, 2029, extending his future equity-based compensation.

Does this Dexcom (DXCM) Form 4 show an open-market stock sale by Jacob Leach?

The Form 4 does not show an open-market sale by Jacob Leach. Instead, it records 1,451 shares withheld by Dexcom to satisfy tax withholding and remittance obligations arising from net settlement of restricted stock units, as clarified explicitly in a transaction footnote.