SC Filed 2020-04-01 Event — SEC 0001013594-20-000348 →

Shannon River Fund Management LLC → IMMERSION CORP IMMR

Stake: — Shares: —

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)

14 transactions

9 buys · 0 sales · 0 awards/exercises

Issuer Cluster

21 13D/G filings on this issuer

20 other filings besides this one

Filer Track Record

1 filings by this filer

0 other filings in the data moat

Short Interest · settle 2026-09-30

DTC 6.32

2,659,573 shares short · +16.9% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-04-30	MARTIN WILLIAM C	director, officer	Award	7,425	—	—
2026-04-30	MARTIN WILLIAM C	director, officer	Award	17,872	—	—
2026-04-06	HOFFMAN EMILY	director	Award	21,815	—	—
2026-04-06	Nader Elias	director	Award	21,815	—	—
2026-04-06	Wasch Childress Frederick	director	Award	21,815	—	—
2026-04-01	Singer Eric	director, officer	F	14,757	$5.56	$82K
2026-04-01	Singer Eric	director, officer	F	14,850	$5.56	$83K
2026-01-30	MARTIN WILLIAM C	director, officer	Award	6,588	—	—
2026-01-03	Singer Eric	director, officer	F	12,217	$6.41	$78K
2026-01-02	Singer Eric	director, officer	F	37,948	$6.41	$243K
2026-01-02	Singer Eric	director, officer	Award	300,000	—	—
2026-01-01	Singer Eric	director, officer	F	14,757	$6.80	$100K
2025-11-14	MARTIN WILLIAM C	director, officer	Award	17,647	—	—
2025-10-31	MARTIN WILLIAM C	director, officer	Award	7,952	—	—

Other 13D/G Filings on IMMERSION CORP

Filed	Form	Filer	Stake	Shares
2026-08-21	SCHEDULE 13D	Singer Eric	5.50%	1,826,961	view →
2021-11-10	SC	Raging Capital Management, LLC	—	—	view →
2021-03-11	SC	Raging Capital Management, LLC	—	—	view →
2020-09-15	SC	Raging Capital Management, LLC	—	—	view →
2020-09-11	SC	VIEX Capital Advisors, LLC	—	—	view →
2020-09-04	SC	Raging Capital Management, LLC	—	—	view →
2020-09-04	SC	VIEX Capital Advisors, LLC	—	—	view →
2020-08-11	SC	Raging Capital Management, LLC	—	—	view →
2020-04-15	SC	Raging Capital Management, LLC	—	—	view →
2020-03-09	SC	VIEX Capital Advisors, LLC	—	—	view →
2019-12-31	SC	VIEX Capital Advisors, LLC	—	—	view →
2019-12-26	SC	ACACIA RESEARCH CORP	—	—	view →
2019-08-13	SC	Raging Capital Management, LLC	—	—	view →
2019-07-29	SC	VIEX Capital Advisors, LLC	—	—	view →
2018-07-18	SC	Raging Capital Management, LLC	—	—	view →
2018-07-03	SC	Raging Capital Management, LLC	—	—	view →
2018-05-16	SC	VIEX Capital Advisors, LLC	—	—	view →
2018-05-15	SC	Raging Capital Management, LLC	—	—	view →
2018-05-11	SC	VIEX Capital Advisors, LLC	—	—	view →
2018-01-23	SC	VIEX Capital Advisors, LLC	—	—	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Full feed access · API · daily intelligence brief · custom alerts. From $49/mo.

See pricing →