Lehman David Aaron — SEC Form 4 filings
SEC reporting owner CIK 1354228. 12 Form 4 filings on record with FilingPulse; latest filed 2026-09-03.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2024-03-05 to 2026-09-03. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 45 legs across 11 filings — 115,112 shares, $457,956 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 6.
- Largest priced transaction: sale of 13,622 shares @ $7.97 ($108,567) in Pulmonx Corp, filed 2025-03-05.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Pulmonx Corp (LUNG) | General Counsel | 12 | — | 45 legs · 115,112 sh · $457,956 | 6 |
Form 4 filings — Lehman David Aaron
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-03 | 4 | Pulmonx Corp (LUNG) | Sale (S): 3,807 @ $2.26 · Sale (S): 2,224 @ $2.26 · Sale (S): 3,476 @ $2.26 · Sale (S): 4,827 @ $2.26 | EDGAR |
| 2026-06-03 | 4 | Pulmonx Corp (LUNG) | Sale (S): 3,876 @ $1.54 · Sale (S): 2,264 @ $1.54 · Sale (S): 3,539 @ $1.54 · Sale (S): 4,915 @ $1.54 | EDGAR |
| 2026-03-04 | 4 | Pulmonx Corp (LUNG) | Sale (S): 1,163 @ $1.43 · Sale (S): 4,433 @ $1.43 · Sale (S): 2,590 @ $1.43 · Sale (S): 4,051 @ $1.43 · Grant/award (A): 150,000 @ $0 | EDGAR |
| 2025-12-03 | 4 | Pulmonx Corp (LUNG) | Sale (S): 976 @ $1.57 · Sale (S): 3,725 @ $1.57 · Sale (S): 2,176 @ $1.57 · Sale (S): 3,401 @ $1.57 | EDGAR |
| 2025-09-03 | 4 | Pulmonx Corp (LUNG) | Sale (S): 929 @ $1.60 · Sale (S): 3,541 @ $1.60 · Sale (S): 2,068 @ $1.60 · Sale (S): 3,231 @ $1.60 | EDGAR |
| 2025-06-04 | 4 | Pulmonx Corp (LUNG) | Sale (S): 535 @ $3.14 · Sale (S): 943 @ $3.13 · Sale (S): 3,597 @ $3.13 · Sale (S): 2,099 @ $3.13 · Sale (S): 3,283 @ $3.13 | EDGAR |
| 2025-03-05 | 4 | Pulmonx Corp (LUNG) | Sale (S): 669 @ $7.14 · Sale (S): 1,177 @ $7.14 · Sale (S): 4,490 @ $7.14 · Sale (S): 2,397 @ $7.14 · Sale (S): 13,622 @ $7.97 · Grant/award (A): 108,000 @ $0 | EDGAR |
| 2024-12-04 | 4 | Pulmonx Corp (LUNG) | Sale (S): 410 @ $6.18 · Sale (S): 722 @ $6.19 · Sale (S): 2,755 @ $6.19 · Sale (S): 1,610 @ $6.18 | EDGAR |
| 2024-09-05 | 4 | Pulmonx Corp (LUNG) | Sale (S): 429 @ $6.71 · Sale (S): 758 @ $6.69 · Sale (S): 2,890 @ $6.69 · Sale (S): 1,688 @ $6.69 | EDGAR |
| 2024-06-05 | 4 | Pulmonx Corp (LUNG) | Sale (S): 409 @ $6.97 · Sale (S): 719 @ $6.97 · Sale (S): 2,744 @ $6.97 · Sale (S): 1,603 @ $6.97 | EDGAR |
| 2024-03-07 | 4/A | Pulmonx Corp (LUNG) | Grant/award (A): 69,100 @ $0 · Grant/award (A): 34,500 (derivative) @ $0 | EDGAR |
| 2024-03-05 | 4 | Pulmonx Corp (LUNG) | Sale (S): 459 @ $9.06 · Sale (S): 809 @ $9.06 · Sale (S): 3,083 @ $9.06 · Grant/award (A): 34,500 @ $0 · Grant/award (A): 69,100 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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