Pulmonx insider sells 14,497 shares for tax withholding

Pulmonx Corp Chief Science & Techn.

Rhea-AI Filing Summary

Pulmonx Corp Chief Science & Techn. Officer Radhakrishnan Srikanth reported routine share sales tied to tax withholding. On June 1, 2026, he sold a total of 14,497 shares of Pulmonx common stock in four open-market transactions at $1.54 per share. According to the footnotes, each sale was made solely to cover tax withholding obligations arising from the vesting of Restricted Stock Units granted on March 1, 2023, March 1, 2024, March 3, 2025, and March 2, 2026.

Insider Trade Summary

Net Seller: 14,497 shares

Net Sell 4 txns

Insider Radhakrishnan Srikanth

Role Chief Science &Techn. Officer

Sold 14,497 shs ($22K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,691	$1.54	$4K
Sale	Common Stock	2,153	$1.54	$3K
Sale	Common Stock	3,684	$1.54	$6K
Sale	Common Stock	5,969	$1.54	$9K

Holdings After Transaction: Common Stock — 331,239 shares (Direct)

Footnotes (4)

1. F1. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the Restricted Stock Units (the "RSUs") granted on March 1, 2023.
2. F2. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs granted on March 1, 2024.
3. F3. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs granted on March 3, 2025.
4. F4. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs granted on March 2, 2026.

Key Figures

Shares sold: 14,497 shares Sale price: $1.54 per share Number of transactions: 4 sales

3 metrics

Shares sold 14,497 shares Total Pulmonx common stock sold by officer on June 1, 2026

Sale price $1.54 per share Price for each of the four open-market transactions

Number of transactions 4 sales Separate open-market sales on June 1, 2026

Key Terms

Restricted Stock Units, tax withholding obligations, open-market sale

3 terms

Restricted Stock Units financial

"in connection with the vesting of the Restricted Stock Units (the "RSUs") granted on March 1, 2023"

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.

tax withholding obligations financial

"These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs"

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Pulmonx (LUNG) report for Radhakrishnan Srikanth?

Pulmonx reported that Chief Science & Techn. Officer Radhakrishnan Srikanth sold 14,497 shares of common stock. The transactions occurred on June 1, 2026, and were disclosed on a Form 4 insider trading report filed with regulators.

How many Pulmonx (LUNG) shares did the insider sell and at what price?

Radhakrishnan Srikanth sold a total of 14,497 Pulmonx common shares. The four open-market transactions were all executed at a price of $1.54 per share, according to the Form 4 filing’s transaction details.

Why did Pulmonx insider Radhakrishnan Srikanth sell 14,497 shares?

The filing states the shares were sold to cover tax withholding obligations. These obligations arose from the vesting of multiple Restricted Stock Unit grants made on March 1, 2023, March 1, 2024, March 3, 2025, and March 2, 2026.

Were the Pulmonx (LUNG) insider transactions open-market sales?

Yes. Each transaction is coded as an “S” and described as an open-market or private sale. The sales occurred on June 1, 2026 at $1.54 per share, as shown in the non-derivative transaction table.

Do the Pulmonx (LUNG) insider sales reflect RSU vesting tax withholding?

Yes. Footnotes explain the sales were specifically to cover tax withholding obligations from RSUs vesting. The RSUs were granted on four dates between March 2023 and March 2026, making the activity compensation- and tax-related rather than discretionary buying or selling.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/03/2026 - 04:18 PM EDT Learn about SEC filing dates

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^*

Radhakrishnan Srikanth

(Last) (First) (Middle)

C/O PULMONX CORPORATION

700 CHESAPEAKE DRIVE

(Street)

REDWOOD CITY CALIFORNIA 94063

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Pulmonx Corp [ LUNG ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Science &Techn. Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/01/2026		S(1)		2,691	D	$1.54	343,045	D
Common Stock	06/01/2026		S(2)		2,153	D	$1.54	340,892	D
Common Stock	06/01/2026		S(3)		3,684	D	$1.54	337,208	D
Common Stock	06/01/2026		S(4)		5,969	D	$1.54	331,239	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the Restricted Stock Units (the "RSUs") granted on March 1, 2023.

2. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs granted on March 1, 2024.

3. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs granted on March 3, 2025.

4. These shares were sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs granted on March 2, 2026.

	/s/ David Aaron Lehman, Attorney-in-Fact	06/03/2026
	** 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)