LUNG Insider Trading

Insider Ownership Percentage: 5.70%
Insider Buying (Last 12 Months): $97,435.80
Insider Selling (Last 12 Months): $1,238,611.99

Pulmonx Insider Trading History Chart

This chart shows the insider buying and selling history at Pulmonx by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Pulmonx Share Price & Price History

Current Price: $6.67
Price Change: Price Increase of +0.22 (3.41%)
As of 10/11/2024 01:00 AM ET

This chart shows the closing price history over time for LUNG up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Pulmonx Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
9/12/2024Glendon E. French, IIIDirectorSell20,000$8.09$161,800.001,111,974View SEC Filing Icon  
9/3/2024David Aaron LehmanGeneral CounselSell5,765$6.69$38,567.85203,348View SEC Filing Icon  
9/3/2024Geoffrey Beran RoseInsiderSell4,586$6.70$30,726.20295,433View SEC Filing Icon  
8/20/2024Steven S WilliamsonCEOBuy14,245$6.84$97,435.80219,531View SEC Filing Icon  
6/24/2024Geoffrey Beran RoseInsiderSell1,184$6.16$7,293.44300,019View SEC Filing Icon  
6/3/2024David Aaron LehmanGeneral CounselSell5,475$6.97$38,160.75209,113View SEC Filing Icon  
6/3/2024Geoffrey Beran RoseInsiderSell4,297$6.97$29,950.09301,203View SEC Filing Icon  
5/22/2024Geoffrey Beran RoseInsiderSell1,184$8.71$10,312.64305,500View SEC Filing Icon  
4/22/2024Geoffrey Beran RoseInsiderSell1,184$7.49$8,868.16306,684View SEC Filing Icon  
3/22/2024Geoffrey Beran RoseInsiderSell1,184$9.36$11,082.24307,868View SEC Filing Icon  
3/1/2024David Aaron LehmanGeneral CounselSell4,351$9.06$39,420.06145,488View SEC Filing Icon  
3/1/2024Geoffrey Beran RoseInsiderSell3,097$9.06$28,058.82239,952View SEC Filing Icon  
3/1/2024Glendon E. French, IIICEOSell6,954$9.06$63,003.241,116,758View SEC Filing Icon  
3/1/2024John MckuneCFOSell1,078$9.06$9,766.6847,410View SEC Filing Icon  
2/22/2024Geoffrey Beran RoseInsiderSell1,184$14.20$16,812.80243,049View SEC Filing Icon  
2/15/2024Glendon E. French, IIICEOSell20,000$14.60$292,000.001,121,344View SEC Filing Icon  
1/22/2024Geoffrey Beran RoseInsiderSell1,184$13.13$15,545.92244,233View SEC Filing Icon  
1/18/2024Glendon E. French, IIICEOSell10,000$12.77$127,700.001,141,344View SEC Filing Icon  
12/22/2023Geoffrey Beran RoseInsiderSell1,184$12.75$15,096.00245,417View SEC Filing Icon  
12/21/2023Glendon E. French, IIICEOSell10,000$12.42$124,200.001,151,344View SEC Filing Icon  
12/1/2023David Aaron LehmanGeneral CounselSell3,809$10.34$39,385.06149,839View SEC Filing Icon  
12/1/2023Geoffrey Beran RoseInsiderSell2,868$10.34$29,655.12246,601View SEC Filing Icon  
12/1/2023Glendon E. French, IIICEOSell6,676$10.34$69,029.841,161,344View SEC Filing Icon  
12/1/2023John MckuneCFOSell942$10.34$9,740.2840,414View SEC Filing Icon  
11/22/2023Geoffrey Beran RoseInsiderSell1,184$10.60$12,550.40249,469View SEC Filing Icon  
10/23/2023Geoffrey Beran RoseInsiderSell1,184$8.35$9,886.40250,653View SEC Filing Icon  
9/22/2023Geoffrey Beran RoseInsiderSell1,184$10.51$12,443.84251,837View SEC Filing Icon  
9/1/2023David Aaron LehmanGeneral CounselSell3,772$10.01$37,757.72153,648View SEC Filing Icon  
9/1/2023Derrick SungCFOSell4,219$10.00$42,190.00391,041View SEC Filing Icon  
9/1/2023Geoffrey Beran RoseInsiderSell2,843$10.01$28,458.43253,021View SEC Filing Icon  
9/1/2023Glendon E. French, IIICEOSell6,527$10.01$65,335.271,168,020View SEC Filing Icon  
8/23/2023Geoffrey Beran RoseInsiderSell1,184$10.54$12,479.36255,864View SEC Filing Icon  
7/20/2023Glendon E. French, IIICEOSell15,000$12.68$190,200.001,174,547View SEC Filing Icon  
6/15/2023Glendon E. French, IIICEOSell10,000$12.68$126,800.001,189,547View SEC Filing Icon  
6/1/2023David Aaron LehmanGeneral CounselSell3,776$11.48$43,348.48157,420View SEC Filing Icon  
6/1/2023Derrick SungCFOSell4,222$11.49$48,510.78395,260View SEC Filing Icon  
6/1/2023Geoffrey Beran RoseInsiderSell2,845$11.48$32,660.60257,048View SEC Filing Icon  
6/1/2023Glendon E. French, IIICEOSell6,533$11.48$74,998.841,199,547View SEC Filing Icon  
3/1/2023Derrick SungCFOSell1,264$11.03$13,941.92261,482View SEC Filing Icon  
3/1/2023Geoffrey Beran RoseInsiderSell1,206$11.03$13,302.18180,993View SEC Filing Icon  
3/1/2023Glendon E. French, IIICEOSell2,895$11.03$31,931.851,032,580View SEC Filing Icon  
12/1/2022David Aaron LehmanGeneral CounselSell1,069$5.93$6,339.1744,160View SEC Filing Icon  
12/1/2022Geoffrey Beran RoseInsiderSell1,055$5.93$6,256.15181,037View SEC Filing Icon  
12/1/2022Glendon E. French, IIICEOSell3,631$5.93$21,531.831,034,313View SEC Filing Icon  
11/29/2022Alissa Hsu LynchDirectorBuy1,700$5.51$9,367.0011,910View SEC Filing Icon  
11/8/2022Richard FerrariDirectorBuy5,438$5.31$28,875.7830,035View SEC Filing Icon  
9/15/2022Glendon E. French, IIICEOSell25,000$20.00$500,000.001,027,944View SEC Filing Icon  
8/18/2022Glendon E. French, IIICEOSell50,000$20.59$1,029,500.001,055,884View SEC Filing Icon  
6/1/2022David Aaron LehmanGeneral CounselSell1,065$18.05$19,223.2546,311View SEC Filing Icon  
6/1/2022Geoffrey Beran RoseInsiderSell1,011$18.05$18,248.55183,118View SEC Filing Icon  
6/1/2022Glendon E. French, IIICEOSell2,523$18.05$45,540.151,104,994View SEC Filing Icon  
3/1/2022David Aaron LehmanGeneral CounselSell458$25.91$11,866.78View SEC Filing Icon  
3/1/2022Glendon E. French, IIICEOSell1,132$25.91$29,330.12View SEC Filing Icon  
2/17/2022Glendon E. French, IIICEOSell12,500$27.22$340,250.00View SEC Filing Icon  
1/20/2022Glendon E. French, IIICEOSell12,500$25.98$324,750.00View SEC Filing Icon  
12/16/2021Glendon E. French, IIICEOSell25,000$31.05$776,250.00View SEC Filing Icon  
12/15/2021Geoffrey Beran RoseInsiderSell22,000$30.55$672,100.00View SEC Filing Icon  
12/14/2021Derrick SungCFOSell3,000$32.89$98,670.00View SEC Filing Icon  
12/1/2021David Aaron LehmanGeneral CounselSell383$32.73$12,535.59View SEC Filing Icon  
12/1/2021Geoffrey Beran RoseInsiderSell355$32.73$11,619.15View SEC Filing Icon  
12/1/2021Glendon E. French, IIICEOSell1,421$32.73$46,509.33View SEC Filing Icon  
11/18/2021Glendon E. French, IIICEOSell25,000$35.98$899,500.00View SEC Filing Icon  
11/15/2021Geoffrey Beran RoseInsiderSell7,000$39.94$279,580.00View SEC Filing Icon  
10/21/2021Glendon E. French, IIICEOSell25,000$39.75$993,750.00View SEC Filing Icon  
10/15/2021Geoffrey Beran RoseInsiderSell7,000$39.44$276,080.00View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Pulmonx (NASDAQ:LUNG)

91.04% of Pulmonx stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at LUNG by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Pulmonx Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/3/2024SG Americas Securities LLC12,245$0.10M0.0%N/A0.032%Search for SEC Filing on Google Icon
9/16/2024Cubist Systematic Strategies LLC109,105$0.69M0.0%+141.6%0.281%Search for SEC Filing on Google Icon
9/16/2024Point72 Asia Singapore Pte. Ltd.5,855$37K0.0%N/A0.015%Search for SEC Filing on Google Icon
8/19/2024Point72 Asset Management L.P.240,949$1.53M0.0%-91.1%0.621%Search for SEC Filing on Google Icon
8/16/2024Algert Global LLC20,939$0.13M0.0%-63.6%0.054%Search for SEC Filing on Google Icon
8/15/2024Susquehanna Fundamental Investments LLC75,260$0.48M0.0%N/A0.194%Search for SEC Filing on Google Icon
8/15/2024Mackenzie Financial Corp16,124$0.10M0.0%N/A0.042%Search for SEC Filing on Google Icon
8/15/2024Millennium Management LLC448,623$2.84M0.0%-31.0%1.156%Search for SEC Filing on Google Icon
8/15/2024Deerfield Management Company L.P. Series C47,539$0.30M0.0%+134.3%0.122%Search for SEC Filing on Google Icon
8/15/2024AQR Capital Management LLC11,059$70K0.0%-81.5%0.028%Search for SEC Filing on Google Icon
8/15/2024Point72 Asia Singapore Pte. Ltd.5,855$37K0.0%N/A0.015%Search for SEC Filing on Google Icon
8/14/2024Squarepoint Ops LLC144,409$0.92M0.0%+261.2%0.372%Search for SEC Filing on Google Icon
8/14/2024Cubist Systematic Strategies LLC109,105$0.69M0.0%+141.6%0.281%Search for SEC Filing on Google Icon
8/12/2024XTX Topco Ltd34,968$0.22M0.0%N/A0.090%Search for SEC Filing on Google Icon
8/12/2024Hsbc Holdings PLC15,038$93K0.0%N/A0.039%Search for SEC Filing on Google Icon
8/10/2024Sofinnova Investments Inc.60,246$0.38M0.0%N/A0.155%Search for SEC Filing on Google Icon
8/9/2024Primecap Management Co. CA5,709,901$36.20M0.0%-0.5%14.710%Search for SEC Filing on Google Icon
8/9/2024Renaissance Technologies LLC301,410$1.91M0.0%+13.1%0.777%Search for SEC Filing on Google Icon
8/9/2024Dimensional Fund Advisors LP345,074$2.19M0.0%-12.8%0.889%Search for SEC Filing on Google Icon
8/5/2024Victory Capital Management Inc.834,301$5.29M0.0%+1.0%2.149%Search for SEC Filing on Google Icon
7/30/2024BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,059,018$6.71M0.0%+7.0%2.728%Search for SEC Filing on Google Icon
7/26/2024Bank of New York Mellon Corp157,902$1M0.0%+12.7%0.407%Search for SEC Filing on Google Icon
5/16/2024California State Teachers Retirement System34,733$0.32M0.0%-4.9%0.089%Search for SEC Filing on Google Icon
5/16/2024Jacobs Levy Equity Management Inc.197,336$1.83M0.0%-45.9%0.508%Search for SEC Filing on Google Icon
5/15/2024Price T Rowe Associates Inc. MD35,720$0.33M0.0%+4.8%0.092%Search for SEC Filing on Google Icon
5/14/2024EntryPoint Capital LLC11,013$0.10M0.1%N/A0.028%Search for SEC Filing on Google Icon
5/10/2024Vanguard Group Inc.2,077,859$19.26M0.0%+0.6%5.391%Search for SEC Filing on Google Icon
5/8/2024BNP PARIBAS ASSET MANAGEMENT Holding S.A.989,423$9.17M0.0%+6.4%2.567%Search for SEC Filing on Google Icon
5/8/2024Russell Investments Group Ltd.34,947$0.32M0.0%-41.1%0.091%Search for SEC Filing on Google Icon
5/7/2024Sei Investments Co.72,626$0.67M0.0%+2.5%0.188%Search for SEC Filing on Google Icon
4/30/2024Allspring Global Investments Holdings LLC8,516$79K0.0%+609.7%0.022%Search for SEC Filing on Google Icon
4/18/2024Allspring Global Investments Holdings LLC8,516$79K0.0%+609.7%0.022%Search for SEC Filing on Google Icon
2/14/2024Braidwell LP787,954$10.05M0.4%-20.3%2.057%Search for SEC Filing on Google Icon
2/13/2024Rhenman & Partners Asset Management AB25,000$0.32M0.0%N/A0.065%Search for SEC Filing on Google Icon
2/13/2024Pura Vida Investments LLC477,398$6.09M1.9%-34.3%1.246%Search for SEC Filing on Google Icon
2/13/2024Campbell & CO Investment Adviser LLC85,672$1.09M0.1%+88.8%0.224%Search for SEC Filing on Google Icon
2/12/2024Olympiad Research LP12,012$0.15M0.1%N/A0.031%Search for SEC Filing on Google Icon
2/9/2024Primecap Management Co. CA5,646,451$71.99M0.1%+2.2%14.740%Search for SEC Filing on Google Icon
2/9/2024Franklin Resources Inc.742,412$9.47M0.0%-0.2%1.938%Search for SEC Filing on Google Icon
2/9/2024Quest Partners LLC7,352$94K0.0%N/A0.019%Search for SEC Filing on Google Icon
2/9/2024Trexquant Investment LP24,936$0.32M0.0%-29.9%0.065%Search for SEC Filing on Google Icon
2/9/2024Dynamic Technology Lab Private Ltd12,258$0.16M0.0%N/A0.032%Search for SEC Filing on Google Icon
2/6/2024Swiss National Bank67,500$0.86M0.0%-13.6%0.176%Search for SEC Filing on Google Icon
2/6/2024New York Life Investment Management LLC31,129$0.40M0.0%-2.3%0.081%Search for SEC Filing on Google Icon
2/5/2024Victory Capital Management Inc.853,846$10.89M0.0%-10.2%2.229%Search for SEC Filing on Google Icon
2/5/2024Russell Investments Group Ltd.59,308$0.76M0.0%-17.4%0.155%Search for SEC Filing on Google Icon
2/1/2024New York State Common Retirement Fund17,495$0.22M0.0%+32.7%0.046%Search for SEC Filing on Google Icon
1/30/2024Strs Ohio5,200$66K0.0%-37.3%0.014%Search for SEC Filing on Google Icon
1/12/2024SG Americas Securities LLC9,184$0.12M0.0%N/A0.024%Search for SEC Filing on Google Icon
12/18/2023Vanguard Group Inc.2,023,836$20.91M0.0%+1.0%5.283%Search for SEC Filing on Google Icon
11/21/2023Walleye Capital LLC372,290$3.85M0.0%N/A0.972%Search for SEC Filing on Google Icon
11/17/2023Jacobs Levy Equity Management Inc.505,379$5.22M0.0%-25.7%1.319%Search for SEC Filing on Google Icon
11/14/2023Braidwell LP988,559$10.21M0.3%-1.1%2.581%Search for SEC Filing on Google Icon
11/14/2023Deerfield Management Company L.P. Series C1,017,958$10.52M0.2%-4.4%2.657%Search for SEC Filing on Google Icon
11/14/2023Trexquant Investment LP35,596$0.37M0.0%N/A0.093%Search for SEC Filing on Google Icon
11/14/2023PEAK6 Investments LLC13,009$0.13M0.0%-24.1%0.034%Search for SEC Filing on Google Icon
11/14/2023Primecap Management Co. CA5,522,401$57.05M0.0%+0.0%14.415%Search for SEC Filing on Google Icon
11/13/2023Algert Global LLC117,327$1.21M0.1%+25.2%0.306%Search for SEC Filing on Google Icon
11/13/2023Aigen Investment Management LP10,700$0.11M0.0%N/A0.028%Search for SEC Filing on Google Icon
11/13/2023FMR LLC2,029,835$20.97M0.0%+24.7%5.298%Search for SEC Filing on Google Icon
11/9/2023Deutsche Bank AG46,868$0.48M0.0%-91.3%0.122%Search for SEC Filing on Google Icon
11/8/2023Campbell & CO Investment Adviser LLC45,380$0.47M0.1%+134.4%0.118%Search for SEC Filing on Google Icon
11/8/2023L2 Asset Management LLC19,747$0.20M0.2%N/A0.052%Search for SEC Filing on Google Icon
11/8/2023New York Life Investment Management LLC31,846$0.33M0.0%-13.6%0.083%Search for SEC Filing on Google Icon
11/7/2023Barclays PLC92,938$0.96M0.0%+132.7%0.244%Search for SEC Filing on Google Icon
11/6/2023Versor Investments LP18,123$0.19M0.0%-20.6%0.048%Search for SEC Filing on Google Icon
11/6/2023Victory Capital Management Inc.950,763$9.82M0.0%-2.7%2.500%Search for SEC Filing on Google Icon
10/26/2023Strs Ohio8,300$85K0.0%N/A0.022%Search for SEC Filing on Google Icon
10/24/2023Bank of New York Mellon Corp159,712$1.65M0.0%+2.5%0.420%Search for SEC Filing on Google Icon
8/15/2023Braidwell LP999,362$13.10M0.4%-14.1%2.628%Search for SEC Filing on Google Icon
8/14/2023Pura Vida Investments LLC636,408$8.34M1.1%-0.2%1.673%Search for SEC Filing on Google Icon
8/14/2023Graham Capital Management L.P.11,485$0.15M0.0%N/A0.030%Search for SEC Filing on Google Icon
8/11/2023PEAK6 Investments LLC17,146$0.23M0.0%-66.4%0.045%Search for SEC Filing on Google Icon
8/11/2023Campbell & CO Investment Adviser LLC19,361$0.25M0.0%N/A0.051%Search for SEC Filing on Google Icon
8/11/2023Franklin Resources Inc.743,587$9.75M0.0%+2.5%1.955%Search for SEC Filing on Google Icon
8/10/2023Russell Investments Group Ltd.109,105$1.43M0.0%+20.9%0.287%Search for SEC Filing on Google Icon
8/7/2023Principal Financial Group Inc.11,249$0.15M0.0%N/A0.030%Search for SEC Filing on Google Icon
8/7/2023Acadian Asset Management LLC26,293$0.34M0.0%N/A0.070%Search for SEC Filing on Google Icon
8/7/2023Versor Investments LP22,823$0.30M0.1%+117.4%0.060%Search for SEC Filing on Google Icon
8/7/2023New York Life Investment Management LLC36,864$0.48M0.0%-14.7%0.098%Search for SEC Filing on Google Icon
8/4/2023American International Group Inc.17,655$0.23M0.0%+7.0%0.047%Search for SEC Filing on Google Icon
8/3/2023Bank of New York Mellon Corp155,812$2.04M0.0%+2.0%0.413%Search for SEC Filing on Google Icon
8/1/2023Arizona State Retirement System10,068$0.13M0.0%N/A0.027%Search for SEC Filing on Google Icon
7/27/2023Victory Capital Management Inc.977,344$12.81M0.0%N/A2.589%Search for SEC Filing on Google Icon
7/25/2023Olympiad Research LP13,210$0.17M0.2%N/A0.035%Search for SEC Filing on Google Icon
7/24/2023Allspring Global Investments Holdings LLC4,251$56K0.0%+257.5%0.011%Search for SEC Filing on Google Icon
7/18/2023Allspring Global Investments Holdings LLC4,251$56K0.0%+257.5%0.011%Search for SEC Filing on Google Icon
5/9/2023US Bancorp DE2,316$26K0.0%+229.9%0.006%Search for SEC Filing on Google Icon
5/9/2023Russell Investments Group Ltd.90,270$1.01M0.0%+41.7%0.239%Search for SEC Filing on Google Icon
5/8/2023New York Life Investment Management LLC43,222$0.48M0.0%N/A0.115%Search for SEC Filing on Google Icon
5/5/2023Versor Investments LP10,500$0.12M0.0%-32.3%0.028%Search for SEC Filing on Google Icon
4/28/2023SG Americas Securities LLC11,063$0.12M0.0%N/A0.029%Search for SEC Filing on Google Icon
4/20/2023Banque Cantonale Vaudoise4,300$48K0.0%N/A0.011%Search for SEC Filing on Google Icon
2/15/2023General Electric Co.11,843$100K0.0%N/A0.032%Search for SEC Filing on Google Icon
2/15/2023Braidwell LP1,621,494$13.67M0.5%N/A4.334%Search for SEC Filing on Google Icon
2/13/2023GSA Capital Partners LLP157,494$1.33M0.2%N/A0.421%Search for SEC Filing on Google Icon
2/10/2023Franklin Resources Inc.724,876$6.11M0.0%-0.4%1.938%Search for SEC Filing on Google Icon
2/10/2023HRT Financial LP64,767$0.55M0.0%N/A0.173%Search for SEC Filing on Google Icon
2/9/2023Landscape Capital Management L.L.C.18,993$0.16M0.0%N/A0.051%Search for SEC Filing on Google Icon
2/9/2023Denali Advisors LLC7,400$62K0.0%N/A0.020%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Pulmonx logo
Pulmonx Corporation, a commercial-stage medical technology company, provides minimally invasive devices for the treatment of chronic obstructive pulmonary diseases. The company offers Zephyr Endobronchial Valve, a solution for the treatment of patients with hyperinflation associated with severe emphysema; and Chartis Pulmonary Assessment System, a balloon catheter and console system with flow and pressure sensors that are used to assess the presence of collateral ventilation. It also offers StratX Lung Analysis Platform, a cloud-based quantitative computed tomography analysis service that offers information on emphysema destruction, fissure completeness, and lobar volume to help identify target lobes for the treatment with Zephyr Valves. The company serves emphysema patients in the United States, Europe, the Middle East, Africa, the Asia-Pacific, and internationally. The company was formerly known as Pulmonx and changed its name to Pulmonx Corporation in December 2013. Pulmonx Corporation was incorporated in 1995 and is headquartered in Redwood City, California.
Read More on Pulmonx

Today's Range

Now: $6.67
Low: $6.43
High: $6.69

50 Day Range

MA: $7.20
Low: $5.59
High: $8.58

52 Week Range

Now: $6.67
Low: $5.46
High: $14.84

Volume

202,018 shs

Average Volume

413,274 shs

Market Capitalization

$261.13 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.64

Who are the company insiders with the largest holdings of Pulmonx?

Pulmonx's top insider investors include:
  1. Glendon E French III (CEO)
  2. Glendon E French III (Director)
  3. Derrick Sung (CFO)
  4. Geoffrey Beran Rose (Insider)
  5. Steven S Williamson (CEO)
  6. David Aaron Lehman (General Counsel)
  7. John Mckune (CFO)
  8. Richard Ferrari (Director)
  9. Alissa Hsu Lynch (Director)
Learn More about top insider investors at Pulmonx.

Who are the major institutional investors of Pulmonx?

Pulmonx's top institutional investors include:
  1. SG Americas Securities LLC — 0.03%
Learn More about top institutional investors of Pulmonx stock.

Which major investors are buying Pulmonx stock?

In the previous quarter, LUNG stock was acquired by institutional investors including:
  1. SG Americas Securities LLC
Within the previous year, these company insiders have bought Pulmonx stock:
  1. Glendon E French III (CEO)
  2. Glendon E French III (Director)
  3. Derrick Sung (CFO)
Learn More investors buying Pulmonx stock.