John Fichthorn

CIK 1411509 · last filed 2026-10-05

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Disclosed Exposure

$221.58M

Companies

Total Filings

Lifetime Open-Market Net

-$18.19M

Charts

Trading activity, where the exposure sits, and each trade against the stock price.

IMMR price and trades

Daily close with each Form 4 filing on this company marked: green = open-market buy, red = open-market sale, purple = grants, exercises, gifts and other non-market transactions. Marker size scales with the dollar value.

Shares held

Shares owned after each reported transaction on this company (direct holdings as reported).

Open-market buying and selling

by month

Dollar value of open-market purchases (code P, up) and sales (code S, down) across all companies, by filing month. Grants, exercises and gifts are excluded.

Exposure by company

latest

OfficerDirector10% owner* stale (no filing in 3 yrs)

Most recently reported shares × current price. Faded bars (*) have had no filing in 3 years, so the person may no longer hold them. Click a bar to chart that company.

Filer Profile

Reported Address

C/O DIALECTIC CAPITAL MANAGEMENT, LLC
17 STATE STREET, SUITE 3930
NEW YORK, NY 10004

Related Filers

DIALECTIC CAPITAL MANAGEMENT, LLC — 16 joint filings, latest 2022-11-21

Luke Fichthorn — 13 joint filings, latest 2012-04-04

IMMERSION CORP — 12 joint filings, latest 2014-03-14

DIALECTIC ANTITHESIS OFFSHORE LTD — 11 joint filings, latest 2010-02-04

DIALECTIC CAPITAL PARTNERS LP — 11 joint filings, latest 2010-02-04

DIALECTIC OFFSHORE LTD — 11 joint filings, latest 2010-02-04

Dialectic Antithesis Partners, LP — 11 joint filings, latest 2010-02-04

Profile details as reported on the filer's SEC submissions — for individual insiders the address is often in care of the issuer. Related filers are identified from jointly filed SEC submissions and shared reported addresses. View filings on SEC EDGAR.

Holdings By Company

Latest on-record share count in each company: direct shares plus every indirect holder (trusts, LLCs, partnerships, family members) on the latest Form 4 that lists them. Disclosed exposure = shares × current underlying price.

Symbol	Role	Shares	Price	Disclosed Exposure	Lifetime OM Net	Filings	Latest Filed
QMCO	Director	14,145,516	$15.34	$216.99M	$351.6K	9	2026-10-05
Benefytt Technologies, Inc. (BFYT) Delisted	Director	17,809	—	—	$0	1	2020-05-14
Benefytt Technologies, Inc. (HIIQ) Delisted	Director	187,121	—	—	-$621.5K	5	2019-05-16
IMMR	Director	661,691	$6.94	$4.59M	-$18.14M	11	2014-03-14
CALIFORNIA MICRO DEVICES CORP (CAMD) Delisted	Director	—	—	—	$0	2	2009-12-15
LEADIS TECHNOLOGY INC (LDIS) Delisted	10%+ Owner	5,258,475	—	—	$210.4K	1	2009-10-02

Holdings By Holder

Who holds the shares on record: the insider directly, and each trust, LLC, partnership or family member reported as an indirect holder on the latest Form 4 that lists them. Holder names come from the filing's footnotes. Rows under No longer reported appeared on earlier filings but not the latest one, usually because the holder was emptied or folded into another; they are not counted in the total.

Symbol	Holder	Shares	Share of Total	Reported
QMCO	Direct	40,896	0.3%	2026-10-05
	Dialectic Technology SPV LLC by Dialectic Technology SPV LLC	14,104,620	99.7%	2026-10-05
	Total	14,145,516
	No longer reported
	By Lightcurve Capital LLC	1,000	—	last 2020-12-18
HIIQ	Direct	14,121	7.5%	2019-05-16
	Dialectic Antithesis Partners Held by BRC Partners Opportunity Fund, LP	173,000	92.5%	2019-05-16
	Total	187,121
	No longer reported
	Dialectic Antithesis Partners Held by Dialectic Antithesis Partners, LP	109,362	—	last 2018-06-18
IMMR	Direct	24,750	3.7%	2014-03-14
	Dialectic entities Held Directly by Dialectic Offshore, Ltd.	433,619	65.5%	2014-03-14
	Dialectic entities Held Directly by Dialectic Capital Partners, LP	173,096	26.2%	2014-03-14
	Dialectic entities Held Directly by Dialectic Antithesis Offshore, Ltd.	30,226	4.6%	2014-03-14
	Total	661,691
	No longer reported
	Dialectic entities Held Directly by Dialectic Antithesis Partners, LP	276,547	—	last 2013-11-13
	Dialectic entities Held Directly by Dialectic Offshore L2, Ltd.	524,948	—	last 2012-06-04
	Dialectic entities By Dialectic Capital Management, LLC	2,326,702	—	last 2012-03-07
LDIS	Direct	1,224,784	23.3%	2009-10-02
	Dialectic Capital Management Footnote	4,033,691	76.7%	2009-10-02
	Total	5,258,475

Recent Filings · Page 2 of 4

39 filings

Insider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144, so not all of them end in a sale. Under each notice: the role the filer ticked on it, and whether a sale followed (a Form 4 sale within 30 days, or a sale listed on a later notice).

Filed	Symbol	Action	Net Shares	Net $	Link
2020-09-03	QMCO	Grant (A)	+23,496	$0	EDGAR
2020-08-25	—	U	−127,171	-$3.94M
2020-05-14	Benefytt Technologies, Inc. (BFYT) Delisted	Grant (A)	+3,688	$0	EDGAR
2019-12-16	—	—	—	$0
2019-12-16	—	—	—	$0
2019-12-05	—	Sell (S)	−969,900	-$5.09M
2019-09-09	—	Grant (A)	+35,017	$0
2019-05-16	Benefytt Technologies, Inc. (HIIQ) Delisted	Grant (A)	+3,513	$0	EDGAR
2019-03-20	—	Buy (P)	—	$0
2019-03-20	Benefytt Technologies, Inc. (HIIQ) Delisted	Buy (P)	+93,742	$2.75M	EDGAR

Showing 11–20 of 39

Prev Page 2 of 4 Next

Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment, and an amended or cancelled notice is not listed. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes. Someone who is no longer an officer or director (or never was) files no Form 4, so for them a sale shows up only on a later notice, which lists the seller's sales from the 3 months before it. "No sale on file" means neither record shows one; a dash in Net $ means the value filed on the notice doesn't fit the stock's price (likely a typo).