David Aaron Lehman

CIK: 0001354228

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)38 (95.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (5.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

LUNG

Pulmonx Corp

Officer

Discretionary Trading P&L

Holdings

Transaction History (40 total)

LUNG
Pulmonx Corp
Sep 1, 2026
Sale(S)
Direct
3.8K shares at avg. $2.26$9K
LUNG
Pulmonx Corp
Sep 1, 2026
Sale(S)
Direct
4.8K shares at avg. $2.26$11K
LUNG
Pulmonx Corp
Sep 1, 2026
Sale(S)
Direct
3.5K shares at avg. $2.26$8K
LUNG
Pulmonx Corp
Sep 1, 2026
Sale(S)
Direct
2.2K shares at avg. $2.26$5K
LUNG
Pulmonx Corp
Jun 1, 2026
Sale(S)
Direct
4.9K shares at avg. $1.54$8K
LUNG
Pulmonx Corp
Jun 1, 2026
Sale(S)
Direct
3.9K shares at avg. $1.54$6K
LUNG
Pulmonx Corp
Jun 1, 2026
Sale(S)
Direct
2.3K shares at avg. $1.54$3K
LUNG
Pulmonx Corp
Jun 1, 2026
Sale(S)
Direct
3.5K shares at avg. $1.54$5K
LUNG
Pulmonx Corp
Mar 2, 2026
Award(A)
Direct
150K shares-
LUNG
Pulmonx Corp
Mar 2, 2026
Sale(S)
Direct
1.2K shares at avg. $1.43$2K
LUNG
Pulmonx Corp
Mar 2, 2026
Sale(S)
Direct
4.4K shares at avg. $1.43$6K
LUNG
Pulmonx Corp
Mar 2, 2026
Sale(S)
Direct
2.6K shares at avg. $1.43$4K
LUNG
Pulmonx Corp
Mar 2, 2026
Sale(S)
Direct
4.1K shares at avg. $1.43$6K
LUNG
Pulmonx Corp
Dec 1, 2025
Sale(S)
Direct
976 shares at avg. $1.57$2K
LUNG
Pulmonx Corp
Dec 1, 2025
Sale(S)
Direct
3.4K shares at avg. $1.57$5K
LUNG
Pulmonx Corp
Dec 1, 2025
Sale(S)
Direct
2.2K shares at avg. $1.57$3K
LUNG
Pulmonx Corp
Dec 1, 2025
Sale(S)
Direct
3.7K shares at avg. $1.57$6K
LUNG
Pulmonx Corp
Sep 2, 2025
Sale(S)
Direct
929 shares at avg. $1.60$1K
LUNG
Pulmonx Corp
Sep 2, 2025
Sale(S)
Direct
3.2K shares at avg. $1.60$5K
LUNG
Pulmonx Corp
Sep 2, 2025
Sale(S)
Direct
2.1K shares at avg. $1.60$3K
LUNG
Pulmonx Corp
Sep 2, 2025
Sale(S)
Direct
3.5K shares at avg. $1.60$6K
LUNG
Pulmonx Corp
Jun 2, 2025
Sale(S)
Direct
943 shares at avg. $3.13$3K
LUNG
Pulmonx Corp
Jun 2, 2025
Sale(S)
Direct
535 shares at avg. $3.14$2K
LUNG
Pulmonx Corp
Jun 2, 2025
Sale(S)
Direct
3.3K shares at avg. $3.13$10K
LUNG
Pulmonx Corp
Jun 2, 2025
Sale(S)
Direct
2.1K shares at avg. $3.13$7K

		Type	Shares	Price		Ownership
Sep 1, 2026	LUNG Pulmonx Corp	Sale(S)	3,807	$2.26	$8,604	Direct
Sep 1, 2026	LUNG Pulmonx Corp	Sale(S)	4,827	$2.26	$10,909	Direct
Sep 1, 2026	LUNG Pulmonx Corp	Sale(S)	3,476	$2.26	$7,856	Direct
Sep 1, 2026	LUNG Pulmonx Corp	Sale(S)	2,224	$2.26	$5,026	Direct
Jun 1, 2026	LUNG Pulmonx Corp	Sale(S)	4,915	$1.54	$7,569	Direct
Jun 1, 2026	LUNG Pulmonx Corp	Sale(S)	3,876	$1.54	$5,969	Direct
Jun 1, 2026	LUNG Pulmonx Corp	Sale(S)	2,264	$1.54	$3,487	Direct
Jun 1, 2026	LUNG Pulmonx Corp	Sale(S)	3,539	$1.54	$5,450	Direct
Mar 2, 2026	LUNG Pulmonx Corp	Award(A)	150,000	-	$0	Direct
Mar 2, 2026	LUNG Pulmonx Corp	Sale(S)	1,163	$1.43	$1,663	Direct
Mar 2, 2026	LUNG Pulmonx Corp	Sale(S)	4,433	$1.43	$6,339	Direct
Mar 2, 2026	LUNG Pulmonx Corp	Sale(S)	2,590	$1.43	$3,704	Direct
Mar 2, 2026	LUNG Pulmonx Corp	Sale(S)	4,051	$1.43	$5,793	Direct
Dec 1, 2025	LUNG Pulmonx Corp	Sale(S)	976	$1.57	$1,532	Direct
Dec 1, 2025	LUNG Pulmonx Corp	Sale(S)	3,401	$1.57	$5,340	Direct
Dec 1, 2025	LUNG Pulmonx Corp	Sale(S)	2,176	$1.57	$3,416	Direct
Dec 1, 2025	LUNG Pulmonx Corp	Sale(S)	3,725	$1.57	$5,848	Direct
Sep 2, 2025	LUNG Pulmonx Corp	Sale(S)	929	$1.60	$1,486	Direct
Sep 2, 2025	LUNG Pulmonx Corp	Sale(S)	3,231	$1.60	$5,170	Direct
Sep 2, 2025	LUNG Pulmonx Corp	Sale(S)	2,068	$1.60	$3,309	Direct
Sep 2, 2025	LUNG Pulmonx Corp	Sale(S)	3,541	$1.60	$5,666	Direct
Jun 2, 2025	LUNG Pulmonx Corp	Sale(S)	943	$3.13	$2,952	Direct
Jun 2, 2025	LUNG Pulmonx Corp	Sale(S)	535	$3.14	$1,680	Direct
Jun 2, 2025	LUNG Pulmonx Corp	Sale(S)	3,283	$3.13	$10,276	Direct
Jun 2, 2025	LUNG Pulmonx Corp	Sale(S)	2,099	$3.13	$6,570	Direct

1-25 of 40 transactions

About Lehman David Aaron

Lehman David Aaron (SEC CIK 0001354228) files insider reports with the SEC as General Counsel of Pulmonx Corp (LUNG).

Signal8 holds 9 ownership filings by Lehman David Aaron, all Form 4s, filed between Sep 5, 2024 and Sep 3, 2026. Those filings report 40 transactions, from Sep 3, 2024 to Sep 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Lehman David Aaron's filings is in REDWOOD CITY, CA.

Recent filings by Lehman David Aaron

Sep 1, 2026: Open-market sales of LUNG shares (4 lines, Form 4, code S).
Jun 1, 2026: Open-market sales of LUNG shares (4 lines, Form 4, code S).
Mar 2, 2026: Grant or award of LUNG shares (Form 4, code A).
Mar 2, 2026: Open-market sales of LUNG shares (4 lines, Form 4, code S).
Dec 1, 2025: Open-market sales of LUNG shares (4 lines, Form 4, code S).

Other insiders filing for Pulmonx Corp (LUNG)

French Glendon E. III, President and CEO
Radhakrishnan Srikanth, Chief Science & Techn. Officer
Rose Geoffrey Beran, Chief Commercial Officer
Burns Thomas William, Director
Ferrari Richard, Director
Florin Daniel P, Director

How to read Form 4 transaction codes