HIRSCHMAN ORIN → ASPEN AEROGELS, INC. ASPN

Stake: — Shares: — Class: Common Stock, $0.00001 par value per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

1 transaction

0 buys · 1 sales · 0 awards/exercises

Issuer Cluster

3 13D/G filings on this issuer

2 other filings besides this one

Filer Track Record

6 filings by this filer

5 other filings in the data moat

Short Interest · settle 2026-09-30

DTC 5.24

6,101,632 shares short · -32.7% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-09-23	Wood River Capital, LLC	10%+ owner	Sale	12,280,426	$4.73	$58.09M

Other 13D/G Filings on ASPEN AEROGELS, INC.

Filed	Form	Filer	Stake	Shares
2026-09-24	SCHEDULE 13D/A	Wood River Capital, LLC	—	0	view →
2024-05-16	SC	Wood River Capital, LLC	—	—	view →

Other Filings by HIRSCHMAN ORIN

Filed	Form	Issuer	Stake	Shares
2026-10-19	SCHEDULE 13G	AEye, Inc.	—	—	view →
2026-10-19	SCHEDULE 13G	Bionano Genomics, Inc.	—	—	view →
2026-10-19	SCHEDULE 13G	EDAP TMS S.A.	—	—	view →
2026-07-27	SCHEDULE 13G	Amtech Systems, Inc.	—	—	view →
2026-06-22	SCHEDULE 13G	NYXOAH SA NYXH	—	—	view →

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