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See how Context works →On the price, the facts of the public record■Insider buy□Insider sell◇Significant stake declared (13D)●Results filed
With an account, also○dividends▲splits◌next earningswith an account
End-of-day prices provided by Twelve Data · One close per session; the series does not update during the trading day.
Latest on record
The most recent facts, as filed.
Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.
- Sep 23, 2026Reported sale · Form 4Wood River Capital, LLC · $58.1MOpen the filing ↗
- Sep 15, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
- Aug 10, 2026Notice of sale · Form 144SANTHOSH P DANIEL · Officer · $35.3KOpen the filing ↗
In numbers
What this profile holds, counted.
Closes · 1 year250
SEC filings on record80813 flagged findings
Reported transactions (Form 4)80since Jun 30, 2024 · and 10 other holdings
Corporate events (8-K)30since Apr 1, 2022
What the record says
Description, identity and filings, each with its source.
Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.
Regulatory history
Topics detected in its SEC reports, with the original excerpt.
Each topic is assigned by a classifier over the full filing; the excerpts show where it was detected and are not always enough to verify it. Open the filing to read it in full.
- 2026-05-08share offering or dilution eventrecentOpen filing ↗“…inventory of the Borrowers (the Borrowing Base) (the Revolving Facility). At closing of the transactions contemplated by the Credit…”
+1 more passage from the same document
- “…Agreement) (the Revolving Facility). At closing of the transactions contemplated by the Credit Agreement, the Company drew…”
- 2026-05-08capital return (buybacks/dividends)recentOpen filing ↗“…cost of certain eligible inventory of the Borrowers (the Borrowing Base) (the Revolving Facility). At closing of the transactions…”
+1 more passage from the same document
- “…insufficient to support our continuing operations. 37 Item 2. Unregistered Sales of Equi ty Securities and Use of Proceeds.…”
- 2026-03-13share offering or dilution eventrecentOpen filing ↗“…No. 2), by and among the Borrowers, Aspen Georgia, Aspen Mexico, the Agent and the Lenders party thereto, further amending…”
+1 more passage from the same document
- “…MidCap Financial Trust, as term loan servicer (the Term Loan Servicer), the financial institutions or other entities from time…”
- 2026-03-13export control restrictionsrecentOpen filing ↗“…material adverse effect on our business, results of operations, and financial condition. A failure to comply with export control or…”
+1 more passage from the same document
- “…and export control laws. We face several risks inherent in conducting business internationally, including compliance with…”
- 2026-03-13capital return (buybacks/dividends)recentOpen filing ↗“…and Guaranty Agreement (Amendment No. 2), by and among the Borrowers, Aspen Georgia, Aspen Mexico, the Agent and the Lenders party…”
+1 more passage from the same document
- “…IV Trust, as agent (the Agent), MidCap Financial Trust, as term loan servicer (the Term Loan Servicer), the financial institutions or…”
- 2026-03-13Department of Justice inquiryrecentOpen filing ↗“…to the United States, are subject to increased scrutiny from regulators, individual litigants, and activist groups. Some European…”
Original excerpts from SEC filings, untranslated. Not advice and not a prediction.
The 25 most recent filings (of 808)
Every SEC filing, newest first, with what it is. Below, each type with its own explanation.
- Oct 1, 26Form 4 ↗Insider transaction
- Sep 24, 26SCHEDULE 13D/A ↗Stake with intent to influence · amendment
- Sep 24, 26Form 4 ↗Insider transaction
- Sep 15, 268-K ↗Current report · Communication to the market
- Aug 13, 26SCHEDULE 13G/A ↗Passive stake · Needham Investment Management L.L.C. · 3.9% · event on Jun 30, 26 · amendment
- Aug 10, 26Form 144 ↗Notice of proposed sale
- Aug 7, 2610-Q ↗Quarterly report
- Aug 6, 268-K ↗Current report · Results · Communication to the market
- Jun 26, 26Form 4 ↗Insider transaction
- May 18, 268-K ↗Current report · A senior executive left or was appointed
- May 8, 2610-Q ↗Quarterly report
- May 7, 268-K ↗Current report · Results · Communication to the market
- Apr 21, 268-K ↗Current report · Communication to the market · Other events
- Mar 27, 26DEFA14A ↗Shareholder meeting and votes
- Mar 27, 26DEF 14A ↗Shareholder meeting and votes
- Mar 26, 26SCHEDULE 13G/A ↗Passive stake · amendment
- Mar 23, 2610-K/A ↗Annual report · amendment
- Mar 13, 26PRE 14A ↗Shareholder meeting and votes
- Mar 13, 2610-K ↗Annual report
- Mar 10, 26Form 4 ↗Insider transaction
808 filings on record, the oldest from Jun 24, 11.
Listing the 25 most recent filings of the 808 on record.
5232
- May 18, 26A senior executive left or was appointed+3 more in the same filing8-K 5.02 ↗
- Dec 18, 25Entered a material agreement+2 more in the same filing8-K 1.01 ↗
4 senior executive changes2025show all 4hide
- Sep 11, 25A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- May 1, 25A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Mar 7, 25A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Mar 6, 25A senior executive left or was appointed8-K 5.02 ↗
- Oct 22, 24Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Sep 3, 24A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Aug 19, 24A material agreement was terminated+3 more in the same filing8-K 1.02 ↗
- Aug 15, 24A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Mar 7, 24A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Dec 20, 23Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Oct 2, 23Entered a material agreement8-K 1.01 ↗
- Sep 14, 23A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Sep 8, 23A senior executive left or was appointed8-K 5.02 ↗
11 older filings not shown · The record reaches back to Jun 19, 14.
Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.
Schedule 13G: short-form filing
The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.
- Oaktop Capital Management II, L.P.5.3%Mar 31, 25SCHEDULE 13G/A ↗1 earlier filing
- Needham Investment Management L.L.C.3.9%Jun 30, 26SCHEDULE 13G/A ↗3 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing
- FMR LLC1.5%Dec 31, 24SCHEDULE 13G/A ↗2 co-filers on this document — the figure is the largest single stake, not their sum.
Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.
Sale intention announced
On Aug 10, SANTHOSH P DANIEL filed notice of intent to sell up to $35K.
A notice is not a sale: it may not go ahead, may happen in part, or at a different price.
No sale of theirs is on record yet in Form 4; the 90-day window is still open.
Stock compensation, tax and giftsshow the 35 other transactionshide
Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.
- Sep 30, 26Tax$6KGLENN E. DEEGANCAO, GC & Corp Secretary↗
- Jun 23, 26Compensation$70KWILLIAM P NOGLOWS↗
- May 13, 26Compensationamount n/aCari Robinson↗
- May 13, 26Compensationamount n/aKathleen Kool↗
- May 13, 26Compensationamount n/aWILLIAM P NOGLOWS↗
- May 13, 26Compensationamount n/aJAMES E SWEETNAM↗
- May 13, 26Compensationamount n/aSteven R Mitchell↗
- Mar 8, 26Tax$6KGregg LandesChief Operating Officer↗
- Mar 8, 26Tax$2KGrant Douglas ThoeleCFO & Treasurer↗
- Mar 8, 26Tax$6KCorby C WhitakerChief Commercial Officer↗
- Mar 8, 26Tax$14KDonald R YoungPresident and CEO↗
- Mar 5, 26Tax$8KGrant Douglas ThoeleCFO & Treasurer↗
- Mar 5, 26Tax$3KSanthosh P DanielChief Accounting Officer↗
- Mar 5, 26Tax$13KCorby C WhitakerSVP, Sales and Marketing↗
- Mar 5, 26Tax$12KGregg LandesSVP, Operations and Strat Deve↗
- Mar 5, 26Tax$28KDonald R YoungPresident and CEO↗
- Mar 4, 26Compensationamount n/aGrant Douglas ThoeleCFO & Treasurer↗
- Mar 4, 26Compensationamount n/aCorby C WhitakerSVP, Sales and Marketing↗
- Mar 4, 26Compensationamount n/aGLENN E. DEEGANCAO, GC & Corp Secretary↗
- Mar 4, 26Compensationamount n/aGregg LandesSVP, Operations and Strat Deve↗
- Mar 4, 26Compensationamount n/aDonald R YoungPresident and CEO↗
- Oct 1, 25Compensationamount n/aGrant Douglas ThoeleCFO & Treasurer↗
- Sep 30, 25Compensationamount n/aGLENN E. DEEGANCAO, GC & Corp Secretary↗
- Sep 13, 25Tax$10KSanthosh P DanielChief Accounting Officer↗
- Sep 5, 25Tax$10KStephanie PittmanChief Human Resources Officer↗
- May 23, 25Tax$39KVirginia JohnsonCLO, GC, and Secretary↗
- Apr 30, 25Compensationamount n/aWILLIAM P NOGLOWS↗
- Apr 30, 25Compensationamount n/aKathleen Kool↗
- Apr 30, 25Compensationamount n/aCari Robinson↗
- Apr 30, 25Compensationamount n/aJAMES E SWEETNAM↗
- Apr 30, 25Compensationamount n/aSteven R Mitchell↗
- Mar 7, 25Tax$15KGregg LandesSVP, Operations and Strat Deve↗
- Mar 7, 25Tax$15KRICARDO C. RODRIGUEZCFO & Treasurer↗
- Mar 7, 25Tax$15KCorby C WhitakerSVP, Sales and Marketing↗
- Mar 7, 25Tax$15KKEITH L SCHILLINGSVP, Technology↗
The full record holds 168 transactions and goes back to Jan 4, 23.
Its sector and its market
Aspen Aerogels Inc. among Industrials companies
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- 808 documents on file, from Jun 24, 2011 to Oct 1, 2026.
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Those filed with the SEC by the company, its insiders and its major shareholders, within our coverage: periodic reports (10-K, 10-Q, 20-F), material events (8-K), proposed sale notices (Form 144), insider transactions (Form 4) and stakes above 5% (13D/13G). Each links to the original on EDGAR.
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