Reported relationships
Latest disclosed role at each company.
| Company | Last reported as | Report date | Published |
|---|---|---|---|
| ASPEN AEROGELS INCASPN · Entity 5645 | CFO & Treasurer | March 08, 2026 | March 10, 2026 |
Disclosed balances
About these balances
Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.
ASPEN AEROGELS INC
Report date March 08, 2026 · Filed March 10, 2026
| Security / award | Ownership account | Disclosed shares / units | Disclosure context |
|---|---|---|---|
| Common StockSEC Table I · non-derivative | Direct | 77,732 |
Reported balance
After 2026-03-08 transaction · row 1
Account or security details depend on footnotes; rows are not merged.
1 source rowRow 1 · 2026-03-08 · Tax withholding · Disposed 590 · Balance 77,732 F1: Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs"). F2: Represents 10,111 shares of Common Stock and 67,621 RSUs. |
Filing footnotes · ownership attribution and instrument terms
F1: Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs").
F2: Represents 10,111 shares of Common Stock and 67,621 RSUs.
Transaction history
JSON APIPurchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Company | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| March 08, 2026 Filed Mar 10, 2026 21:00 UTC | ASPEN AEROGELS INC ASPN · Entity 5645 | Tax withholdingCommon Stock | 590 | $3.22 | $1,899.80 |
DisclosureSEC source: 0001193125-26-100342 · ownership.xml · nonDerivative · entry 1 Thoele Grant Douglas · CIK 0002089743 · CFO & Treasurer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 77,732 F1 · shares: Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs"). F2 · balance_after: Represents 10,111 shares of Common Stock and 67,621 RSUs. Read SEC document |
| March 05, 2026 Filed Mar 6, 2026 22:00 UTC | ASPEN AEROGELS INC ASPN · Entity 5645 | Tax withholdingCommon Stock | 2,368 | $3.27 | $7,743.36 |
DisclosureSEC source: 0001193125-26-096816 · ownership.xml · nonDerivative · entry 2 Thoele Grant Douglas · CIK 0002089743 · CFO & Treasurer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 78,322 F2 · shares: Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs"). F3 · balance_after: Represents 9,014 shares of Common Stock and 69,308 RSUs. Read SEC document |
| March 04, 2026 Filed Mar 6, 2026 22:00 UTC | ASPEN AEROGELS INC ASPN · Entity 5645 | GrantStock Options (Right to Buy) · Derivative | 74,893 | $0.00 Strike: $3.35 | $0.00 |
DisclosureSEC source: 0001193125-26-096816 · ownership.xml · derivative · entry 3 Thoele Grant Douglas · CIK 0002089743 · CFO & Treasurer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 74,893 Underlying: Common Stock · 74,893 shares Expires 2036-03-04 F4 · derivative.exercise_date: The options vest as to one-third of the shares on March 4, 2027, an additional one-third of the shares on March 4, 2028 and the remaining one-third of the shares on March 4, 2029. Read SEC document |
| March 04, 2026 Filed Mar 6, 2026 22:00 UTC | ASPEN AEROGELS INC ASPN · Entity 5645 | GrantCommon Stock | 55,298 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-26-096816 · ownership.xml · nonDerivative · entry 1 Thoele Grant Douglas · CIK 0002089743 · CFO & Treasurer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 80,690 F1 · shares: Each Restricted Stock Unit ("RSU") represents the right to receive one share of Common Stock upon vesting. The RSUs vest as to one-third of the shares on March 4, 2027, an additional one-third of the shares on March 4, 2028 and the remaining one-third of the shares on March 4, 2029. Read SEC document |
| October 01, 2025 Filed Oct 3, 2025 21:00 UTC | ASPEN AEROGELS INC ASPN · Entity 5645 | GrantPerformance Share Units · Derivative | 20,547 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-25-230376 · ownership.xml · derivative · entry 3 Thoele Grant Douglas · CIK 0002089743 · CFO & Treasurer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,547 Underlying: Common Stock · 20,547 shares Expires not disclosed F4 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Common Stock upon vesting. The PSUs vest on March 5, 2028, following the completion of the performance period, which begins on January 1, 2025 and ends on December 31, 2027. Ranging between 0-200% of the target number of PSUs (as reflected in Table II above), the PSUs vest based on the total shareholder return of Common Stock relative to the total stockholder return of the components of the Russell 2000 Index. F4 · derivative.exercise_date: Each performance share unit ("PSU") represents a contingent right to receive one share of Common Stock upon vesting. The PSUs vest on March 5, 2028, following the completion of the performance period, which begins on January 1, 2025 and ends on December 31, 2027. Ranging between 0-200% of the target number of PSUs (as reflected in Table II above), the PSUs vest based on the total shareholder return of Common Stock relative to the total stockholder return of the components of the Russell 2000 Index. F4 · derivative.expiration_date: Each performance share unit ("PSU") represents a contingent right to receive one share of Common Stock upon vesting. The PSUs vest on March 5, 2028, following the completion of the performance period, which begins on January 1, 2025 and ends on December 31, 2027. Ranging between 0-200% of the target number of PSUs (as reflected in Table II above), the PSUs vest based on the total shareholder return of Common Stock relative to the total stockholder return of the components of the Russell 2000 Index. Read SEC document |
| October 01, 2025 Filed Oct 3, 2025 21:00 UTC | ASPEN AEROGELS INC ASPN · Entity 5645 | GrantStock Options (Right to Buy) · Derivative | 14,563 | $0.00 Strike: $7.30 | $0.00 |
DisclosureSEC source: 0001193125-25-230376 · ownership.xml · derivative · entry 2 Thoele Grant Douglas · CIK 0002089743 · CFO & Treasurer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 14,563 Underlying: Common Stock · 14,563 shares Expires 2035-10-01 F3 · derivative.exercise_date: The options vest as to one-third of the shares on March 5, 2026, an additional one-third of the shares on March 5, 2027 and the remaining one-third of the shares on March 5, 2028. Read SEC document |
| October 01, 2025 Filed Oct 3, 2025 21:00 UTC | ASPEN AEROGELS INC ASPN · Entity 5645 | GrantCommon Stock | 10,273 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-25-230376 · ownership.xml · nonDerivative · entry 1 Thoele Grant Douglas · CIK 0002089743 · CFO & Treasurer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 14,881 F1 · shares: Each Restricted Stock Unit ("RSU") represents the right to receive one share of Common Stock upon vesting. The RSUs vest as to one-third of the shares on March 5, 2026, an additional one-third of the shares on March 5, 2027 and the remaining one-third of the shares on March 5, 2028. F2 · balance_after: Represents 4,608 shares of Common Stock and 10,273 RSUs. Read SEC document |
| October 01, 2025 Filed Dec 19, 2025 22:15 UTC Amendment | ASPEN AEROGELS INC ASPN · Entity 5645 | GrantCommon Stock | 10,273 | $0.00 | $0.00 |
DisclosureSEC source: 0001193125-25-327079 · ownership.xml · nonDerivative · entry 1 Thoele Grant Douglas · CIK 0002089743 · CFO & Treasurer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 25,392 F1 · shares: Each Restricted Stock Unit ("RSU") represents the right to receive one share of Common Stock upon vesting. The RSUs vest as to one-third of the shares on March 5, 2026, an additional one-third of the shares on March 5, 2027 and the remaining one-third of the shares on March 5, 2028. F2 · balance_after: This Form 4/A is being filed to correct the reported total of Securities Beneficially Owned following the reported transaction. The beneficially owned shares previously reported did not include 10,511 restricted stock units granted prior to the October 1, 2025, transaction date. F3 · balance_after: Represents 4,608 shares of Common Stock and 20,784 RSUs. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.