CIK 0001145986 · Accelerated filer
ASPEN AEROGELS INC
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- ASPN
- Exchange
- NYSE
- Industry
- Wholesale-Lumber & Other Construction Materials
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 043559972
- Phone
- 5086911111
- Business address
- 30 FORBES ROAD, BUILDING B, NORTHBOROUGH, MA, 01532
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $58,086,415
- in 1 filing
Net −$58,086,415. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 22 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-11-04 | Nieuwoudt Stacy Durbin Director | Grant or award | +6,073 | 6,073 | ||
| 2026-11-04 | Nieuwoudt Stacy Durbin Director | Grant or award · Stock Options (Right to Buy) | +5,100 | 5,100 | ||
| 2026-09-30 | DEEGAN GLENN E. CAO, GC & Corp Secretary | Shares withheld for taxes | −1,143 | $5.48 | $6K | 66,033 |
| 2026-09-23 | Wood River Capital, LLC Former 10% Owner | Sale | −12,280,426 | $4.73 | $58.1M | 0 |
| 2026-06-23 | NOGLOWS WILLIAM P Director | Option exercise | +14,799 | $4.75 | $70K | 114,156 |
| 2026-06-23 | NOGLOWS WILLIAM P Director | Option exercise · Stock Options (Right to Buy) | −14,799 | 0 | ||
| 2026-05-13 | Mitchell Steven R Director | Grant or award | +10,370 | 156,898 | ||
| 2026-05-13 | Mitchell Steven R Director | Grant or award · Stock Options (Right to Buy) | +8,706 | 8,706 | ||
| 2026-05-13 | SWEETNAM JAMES E Director | Grant or award | +10,370 | 36,321 | ||
| 2026-05-13 | SWEETNAM JAMES E Director | Grant or award · Stock Options (Right to Buy) | +8,706 | 8,706 | ||
| 2026-05-13 | NOGLOWS WILLIAM P Director | Grant or award | +10,370 | 99,357 | ||
| 2026-05-13 | NOGLOWS WILLIAM P Director | Grant or award · Stock Options (Right to Buy) | +8,706 | 8,706 | ||
| 2026-05-13 | Kool Kathleen Director | Grant or award | +10,370 | 34,323 | ||
| 2026-05-13 | Kool Kathleen Director | Grant or award · Stock Options (Right to Buy) | +8,706 | 8,706 | ||
| 2026-05-13 | Robinson Cari Director | Grant or award | +10,370 | 22,616 | ||
| 2026-05-13 | Robinson Cari Director | Grant or award · Stock Options (Right to Buy) | +8,706 | 8,706 | ||
| 2026-03-08 | Young Donald R President and CEO | Shares withheld for taxes | −4,275 | $3.22 | $14K | 637,834 |
| 2026-03-08 | Whitaker Corby C Chief Commercial Officer | Shares withheld for taxes | −1,924 | $3.22 | $6K | 205,315 |
| 2026-03-08 | Thoele Grant Douglas CFO & Treasurer | Shares withheld for taxes | −590 | $3.22 | $2K | 77,732 |
| 2026-03-08 | Landes Gregg Chief Operating Officer | Shares withheld for taxes | −1,924 | $3.22 | $6K | 102,931 |
Page 1 of 40 · 800 trades