Whitaker Corby C insider trades
Whitaker Corby C has filed 19 Form 4s with the SEC that we hold, all for Aspen Aerogels INC (ASPN), as Chief Commercial Officer. Across all of them we count 0 purchases worth $0 and 6 sales worth $4.4M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 55,159 shares of Aspen Aerogels INC worth $1.4M, dated 2024-05-06. The first filing on our record is dated 2021-08-04 and the latest 2026-03-10.
Aspen Aerogels INC (ASPN)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-08-02 | S, sale reported on Form 4 | 34,258 | $1.2M | 2021-08-04 |
| 2021-08-03 | S, sale reported on Form 4 | 8,000 | $302.2K | 2021-08-04 |
| 2021-11-08 | S, sale reported on Form 4 | 8,118 | $462.6K | 2021-11-10 |
| 2021-11-08 | S, sale reported on Form 4 | 6,617 | $381.6K | 2021-11-10 |
| 2021-11-09 | S, sale reported on Form 4 | 10,000 | $583.7K | 2021-11-10 |
| 2024-05-06 | S, sale reported on Form 4 | 55,159 | $1.4M | 2024-05-08 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1610273) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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