Landes Gregg — SEC Form 4 filings
SEC reporting owner CIK 1731877. 10 Form 4 filings on record with FilingPulse; latest filed 2026-03-10.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-02-27 to 2026-03-10. 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): 2 legs across 1 filing — 48,386 shares, $1,228,722 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 16.
- Largest priced transaction: sale of 25,463 shares @ $25.65 ($653,126) in ASPEN AEROGELS INC, filed 2024-05-08.
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 |
|---|---|---|---|---|---|
| ASPEN AEROGELS INC (ASPN) | Chief Operating Officer | 10 | — | 2 legs · 48,386 sh · $1,228,722 | 16 |
Form 4 filings — Landes Gregg
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-10 | 4 | ASPEN AEROGELS INC (ASPN) | Tax withholding (F): 1,924 @ $3.22 | EDGAR |
| 2026-03-06 | 4 | ASPEN AEROGELS INC (ASPN) | Grant/award (A): 57,462 @ $0 · Tax withholding (F): 3,814 @ $3.27 · Grant/award (A): 77,824 (derivative) @ $0 | EDGAR |
| 2025-03-11 | 4 | ASPEN AEROGELS INC (ASPN) | Tax withholding (F): 1,924 @ $7.95 | EDGAR |
| 2025-03-07 | 4 | ASPEN AEROGELS INC (ASPN) | Tax withholding (F): 936 @ $7.84 · Grant/award (A): 24,713 @ $0 · Grant/award (A): 34,837 (derivative) @ $0 · Grant/award (A): 49,426 (derivative) @ $0 | EDGAR |
| 2025-02-25 | 4 | ASPEN AEROGELS INC (ASPN) | Tax withholding (F): 499 @ $8.04 | EDGAR |
| 2024-05-08 | 4 | ASPEN AEROGELS INC (ASPN) | Sale (S): 22,923 @ $25.11 · Sale (S): 25,463 @ $25.65 | EDGAR |
| 2024-03-11 | 4 | ASPEN AEROGELS INC (ASPN) | Tax withholding (F): 1,771 @ $17.02 | EDGAR |
| 2024-03-07 | 4 | ASPEN AEROGELS INC (ASPN) | Disposition to issuer (D): 53,590 @ $0 | EDGAR |
| 2024-03-07 | 4 | ASPEN AEROGELS INC (ASPN) | Grant/award (A): 8,032 @ $0 · Grant/award (A): 35,249 (derivative) @ $0 | EDGAR |
| 2024-02-27 | 4 | ASPEN AEROGELS INC (ASPN) | Tax withholding (F): 495 @ $16.96 · Tax withholding (F): 330 @ $16.96 | 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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