Solitario Zinc Corp.

XPLAMEXBasic Materials● Active

$0.80

$-0.01(-0.77%)

Market Cap$74528614

P/E Ratio—

52W High$0.98

52W Low$0.54

Avg Volume284K

Open$0.80

Beta0.43

Overview

Solitario Zinc Corp. (XPL) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · XPL · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

0.50

Buy/Sell (by trades)

Overall sentiment

BEARISH

↑ Buy 33%Active transactions only · RSU vesting excluded67% Sell ↓

Solitario Zinc Corp. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

XPL insider buying and selling by quarter

XPL insider selling · XPL insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

1.3M659K0

2020 Q2

2021 Q2

2021 Q4

2022 Q2

2023 Q3

2023 Q4

2024 Q2

2025 Q1

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Recent insider transactions

XPL executive sell shares · XPL board member insider trading · XPL insider trading SEC filing

Showing 43 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Dec 14, 2018	Atzmon Gil Director	Purchase	7,800	$0.26	$2K	2,680,012	Form 4
Nov 26, 2018	MARONICK JAMES R CFO	Purchase	2,000	$0.31	$627	591,039	Form 4
Nov 13, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	2,000	$0.28	$566	1,602,000	Form 4
Nov 13, 2018	MARONICK JAMES R CFO	Purchase	2,000	$0.29	$577	589,039	Form 4
Nov 12, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	5,000	$0.29	$1K	1,600,000	Form 4
Oct 29, 2018	MARONICK JAMES R CFO	Purchase	2,000	$0.31	$620	587,039	Form 4
Oct 23, 2018	MARONICK JAMES R CFO	Purchase	2,000	$0.31	$620	585,039	Form 4
Oct 22, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	10,000	$0.32	$3K	1,595,000	Form 4
Oct 18, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	5,000	$0.33	$2K	1,585,000	Form 4
Oct 16, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	5,000	$0.34	$2K	1,580,000	Form 4
Jul 30, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	5,000	$0.39	$2K	1,575,000	Form 4
Jun 4, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	3,000	$0.42	$1K	1,570,000	Form 4
May 7, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	1,000	$0.44	$441	1,567,000	Form 4
May 4, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	1,000	$0.42	$423	1,566,000	Form 4
May 7, 2018	LABATE JOHN A Director	Purchase	10,000	$0.44	$4K	10,000	Form 4
May 2, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	2,000	$0.41	$828	1,565,000	Form 4
May 2, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	3,000	$0.42	$1K	1,563,000	Form 4
Apr 30, 2018	HUNT WALTER H COO	Purchase	5,500	$0.40	$2K	415,462	Form 4
Apr 30, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	10,000	$0.43	$4K	1,555,000	Form 4
Apr 9, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	2,000	$0.47	$944	1,550,000	Form 4
Apr 5, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	3,000	$0.46	$1K	1,548,000	Form 4
Mar 9, 2018	HUNT WALTER H COO	Purchase	8,000	$0.48	$4K	409,962	Form 4
Mar 9, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	2,000	$0.48	$956	1,545,000	Form 4
Mar 8, 2018	HERALD CHRISTOPHER E President & CEO · Director	Purchase	3,000	$0.49	$1K	1,543,000	Form 4
Nov 20, 2017	Atzmon Gil Director	Purchase	1,833	$0.62	$1K	2,672,212	Form 4

Atzmon Gil

Director

Purchase

Date

Dec 14

7,800

Price

$0.26

Value

$2K

View Form 4 on SEC.gov

MARONICK JAMES R

CFO

Purchase

Date

Nov 26

2,000

Price

$0.31

Value

$627

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

Nov 13

2,000

Price

$0.28

Value

$566

View Form 4 on SEC.gov

MARONICK JAMES R

CFO

Purchase

Date

Nov 13

2,000

Price

$0.29

Value

$577

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

Nov 12

5,000

Price

$0.29

Value

$1K

View Form 4 on SEC.gov

MARONICK JAMES R

CFO

Purchase

Date

Oct 29

2,000

Price

$0.31

Value

$620

View Form 4 on SEC.gov

MARONICK JAMES R

CFO

Purchase

Date

Oct 23

2,000

Price

$0.31

Value

$620

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

Oct 22

10,000

Price

$0.32

Value

$3K

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

Oct 18

5,000

Price

$0.33

Value

$2K

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

Oct 16

5,000

Price

$0.34

Value

$2K

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

Jul 30

5,000

Price

$0.39

Value

$2K

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

Jun 4

3,000

Price

$0.42

Value

$1K

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

May 7

1,000

Price

$0.44

Value

$441

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

May 4

1,000

Price

$0.42

Value

$423

View Form 4 on SEC.gov

LABATE JOHN A

Director

Purchase

Date

May 7

10,000

Price

$0.44

Value

$4K

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

May 2

2,000

Price

$0.41

Value

$828

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

May 2

3,000

Price

$0.42

Value

$1K

View Form 4 on SEC.gov

HUNT WALTER H

COO

Purchase

Date

Apr 30

5,500

Price

$0.40

Value

$2K

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

Apr 30

10,000

Price

$0.43

Value

$4K

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

Apr 9

2,000

Price

$0.47

Value

$944

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

Apr 5

3,000

Price

$0.46

Value

$1K

View Form 4 on SEC.gov

HUNT WALTER H

COO

Purchase

Date

Mar 9

8,000

Price

$0.48

Value

$4K

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

Mar 9

2,000

Price

$0.48

Value

$956

View Form 4 on SEC.gov

HERALD CHRISTOPHER E

President & CEO · Director

Purchase

Date

Mar 8

3,000

Price

$0.49

Value

$1K

View Form 4 on SEC.gov

Atzmon Gil

Director

Purchase

Date

Nov 20

1,833

Price

$0.62

Value

$1K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 2

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About XPL insider trading

XPL insider trades

Solitario Zinc Corp. (XPL) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including XPL. Over the past 12 months, 0 insiders have filed transactions with the SEC. XPL insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Solitario Zinc Corp.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

XPL insider trading · 5 questions

The insiders of Solitario Zinc Corp. (XPL) include executives and directors such as XPL, among others. Over the past 12 months, 0 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

XPL board member insider tradingwho are XPL insidersXPL insider rosterSolitario Zinc Corp. executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026