R. Janet Whitmore

CIK: 0001173970

Transaction Breakdown

Open Market Buys (P)28 (71.8%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)10 (25.6%)

Derivative conversions

Awards (A)1 (2.6%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

NANX

NANOPHASE TECHNOLOGIES Corp

Director

Discretionary Trading P&L

Holdings

Transaction History (39 total)

SLSN
SOLESENCE, INC.
Dec 24, 2025
Purchase(P)
Direct
1.5K shares at avg. $1.91$3K
SLSN
SOLESENCE, INC.
Dec 24, 2025
Purchase(P)
Direct
1K shares at avg. $1.92$2K
SLSN
SOLESENCE, INC.
Nov 19, 2025
Purchase(P)
Direct
5K shares at avg. $1.89$9K
SLSN
SOLESENCE, INC.
Nov 19, 2025
Purchase(P)
Direct
5K shares at avg. $1.95$10K
SLSN
SOLESENCE, INC.
Nov 18, 2025
Purchase(P)
Direct
267 shares at avg. $1.83$488.61
SLSN
SOLESENCE, INC.
Nov 17, 2025
Purchase(P)
Direct
5K shares at avg. $1.87$9K
SLSN
SOLESENCE, INC.
Nov 14, 2025
Purchase(P)
Direct
19.8K shares at avg. $1.73$34K
NANX
NANOPHASE TECHNOLOGIES Corp
Dec 31, 2024
Award(A)
Common Stock (Right to Buy)
Direct
12K shares at avg. $2.44-
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Exercise(M)
Common Stock (Right to Buy)
Direct
2K shares at avg. $0.84-
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Exercise(M)
Common Stock (Right to Buy)
Direct
2K shares at avg. $0.99-
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Exercise(M)
Common Stock (Right to Buy)
Direct
20K shares at avg. $1.17-
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Exercise(M)
Common Stock (Right to Buy)
Direct
6.7K shares at avg. $0.45-
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Exercise(M)
Common Stock (Right to Buy)
Direct
10K shares at avg. $0.82-
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Purchase(P)
Direct
2K shares at avg. $0.90$2K
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Purchase(P)
Direct
2K shares at avg. $1.05$2K
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Purchase(P)
Direct
2K shares at avg. $1.18$2K
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Purchase(P)
Direct
2K shares at avg. $0.84$2K
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Purchase(P)
Direct
2K shares at avg. $1.10$2K
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Purchase(P)
Direct
2K shares at avg. $0.99$2K
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Purchase(P)
Direct
10K shares at avg. $0.68$7K
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Purchase(P)
Direct
10K shares at avg. $0.82$8K
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Purchase(P)
Direct
6.7K shares at avg. $0.45$3K
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Purchase(P)
Direct
6.7K shares at avg. $1.17$8K
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Exercise(M)
Common Stock (Right to Buy)
Direct
10K shares at avg. $0.68-
NANX
NANOPHASE TECHNOLOGIES Corp
Oct 29, 2024
Exercise(M)
Common Stock (Right to Buy)
Direct
2K shares at avg. $0.90-

		Type	Shares	Price		Ownership
Dec 24, 2025	SLSN SOLESENCE, INC.	Purchase(P)	1,500	$1.91	$2,865	Direct
Dec 24, 2025	SLSN SOLESENCE, INC.	Purchase(P)	1,000	$1.92	$1,922	Direct
Nov 19, 2025	SLSN SOLESENCE, INC.	Purchase(P)	5,000	$1.89	$9,450	Direct
Nov 19, 2025	SLSN SOLESENCE, INC.	Purchase(P)	5,000	$1.95	$9,750	Direct
Nov 18, 2025	SLSN SOLESENCE, INC.	Purchase(P)	267	$1.83	$489	Direct
Nov 17, 2025	SLSN SOLESENCE, INC.	Purchase(P)	5,000	$1.87	$9,350	Direct
Nov 14, 2025	SLSN SOLESENCE, INC.	Purchase(P)	19,789	$1.73	$34,235	Direct
Dec 31, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Award(A) Common Stock (Right to Buy)	12,000	$2.44	-	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Exercise(M) Common Stock (Right to Buy)	2,000	$0.84	-	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Exercise(M) Common Stock (Right to Buy)	2,000	$0.99	-	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Exercise(M) Common Stock (Right to Buy)	20,000	$1.17	-	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Exercise(M) Common Stock (Right to Buy)	6,667	$0.45	-	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Exercise(M) Common Stock (Right to Buy)	10,000	$0.82	-	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Purchase(P)	2,000	$0.90	$1,800	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Purchase(P)	2,000	$1.05	$2,100	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Purchase(P)	2,000	$1.18	$2,360	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Purchase(P)	2,000	$0.84	$1,680	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Purchase(P)	2,000	$1.10	$2,200	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Purchase(P)	2,000	$0.99	$1,980	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Purchase(P)	10,000	$0.68	$6,800	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Purchase(P)	10,000	$0.82	$8,200	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Purchase(P)	6,667	$0.45	$3,000	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Purchase(P)	6,666	$1.17	$7,766	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Exercise(M) Common Stock (Right to Buy)	10,000	$0.68	-	Direct
Oct 29, 2024	NANX NANOPHASE TECHNOLOGIES Corp	Exercise(M) Common Stock (Right to Buy)	2,000	$0.90	-	Direct

1-25 of 39 transactions

About WHITMORE R JANET

WHITMORE R JANET (SEC CIK 0001173970) files insider reports with the SEC as Director of NANOPHASE TECHNOLOGIES Corp (NANX).

Signal8 holds 9 ownership filings by WHITMORE R JANET, all Form 4s, filed between Sep 3, 2024 and Dec 30, 2025. Those filings report 39 transactions, from Aug 27, 2024 to Dec 24, 2025. Signal8's Form 4 history starts in Sep 2024.

The business address on WHITMORE R JANET's filings is in ROMEOVILLE, IL.

Recent filings by WHITMORE R JANET

Dec 24, 2025: Open-market purchases of SLSN shares (2 lines, Form 4, code P).
Nov 19, 2025: Open-market purchases of SLSN shares (2 lines, Form 4, code P).
Nov 18, 2025: Open-market purchase of SLSN shares (Form 4, code P).
Nov 17, 2025: Open-market purchase of SLSN shares (Form 4, code P).
Nov 14, 2025: Open-market purchase of SLSN shares (Form 4, code P).

Other insiders filing for NANOPHASE TECHNOLOGIES Corp (NANX)

Cureton Kevin, Chief Operating Officer
WHITMORE BRADFORD T, 10% Owner
JANKOWSKI JESS, President, CEO
Miller Mark E, Director
Beres Laura M, Director

How to read Form 4 transaction codes