StealthGas Inc.

GASSNASDAQIndustrials● Active

$9.62

+$0.44(+4.79%)

Market Cap$357726299

P/E Ratio—

52W High$10.55

52W Low$6.06

Avg Volume151K

Open$9.19

Beta0.22

Overview

StealthGas Inc. (GASS) 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 · GASS · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

∞

Buy/Sell (by trades)

Overall sentiment

BULLISH

↑ Buy 100%Active transactions only · RSU vesting excluded0% Sell ↓

StealthGas Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.

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

As of Jun 8, 2026

GASS insider buying and selling by quarter

GASS insider selling · GASS insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

1.3M642K0

2018 Q4

2019 Q1

2019 Q2

2019 Q3

2026 Q1

2026 Q2

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

Active insiders

Most active in past 12 months · GASS ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

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

Showing 63 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Apr 29, 2026	Vafias Harry CEO, President & CFO · Director	Gift	99,623	—	—	4,480,863	Form 4
Apr 27, 2026	Vafias Harry CEO, President & CFO · Director	Option	100,000	$6.01	$601K	4,381,240	Form 4
Jul 1, 2019	Glendon Capital Management LP 10 percent owner	Purchase	39,125	$3.50	$137K	6,498,794	Form 4
Jun 28, 2019	Glendon Capital Management LP 10 percent owner	Purchase	6,502	$3.40	$22K	6,459,669	Form 4
Jun 27, 2019	Glendon Capital Management LP 10 percent owner	Purchase	50,000	$3.36	$168K	6,453,167	Form 4
Mar 19, 2019	Glendon Capital Management LP 10 percent owner	Purchase	422,065	$3.30	$1.39M⚡	6,403,167	Form 4
Mar 15, 2019	Glendon Capital Management LP 10 percent owner	Purchase	5,000	$3.05	$15K	5,981,102	Form 4
Mar 14, 2019	Glendon Capital Management LP 10 percent owner	Purchase	3,200	$3.05	$10K	5,976,102	Form 4
Mar 13, 2019	Glendon Capital Management LP 10 percent owner	Purchase	18,000	$3.09	$56K	5,972,902	Form 4
Mar 11, 2019	Glendon Capital Management LP 10 percent owner	Purchase	2,000	$3.09	$6K	5,954,902	Form 4
Mar 8, 2019	Glendon Capital Management LP 10 percent owner	Purchase	2,400	$3.06	$7K	5,952,902	Form 4
Mar 7, 2019	Glendon Capital Management LP 10 percent owner	Purchase	3,600	$3.11	$11K	5,950,502	Form 4
Mar 6, 2019	Glendon Capital Management LP 10 percent owner	Purchase	493,536	$3.20	$1.58M⚡	5,946,902	Form 4
Mar 5, 2019	Glendon Capital Management LP 10 percent owner	Purchase	19,998	$3.25	$65K	5,453,366	Form 4
Mar 4, 2019	Glendon Capital Management LP 10 percent owner	Purchase	10,000	$3.24	$32K	5,433,368	Form 4
Feb 28, 2019	Glendon Capital Management LP 10 percent owner	Purchase	50,000	$3.29	$165K	5,423,368	Form 4
Feb 26, 2019	Glendon Capital Management LP 10 percent owner	Purchase	42,000	$3.35	$141K	5,373,368	Form 4
Feb 25, 2019	Glendon Capital Management LP 10 percent owner	Purchase	2,473	$3.35	$8K	5,331,368	Form 4
Feb 22, 2019	Glendon Capital Management LP 10 percent owner	Purchase	17,610	$3.30	$58K	5,328,895	Form 4
Feb 21, 2019	Glendon Capital Management LP 10 percent owner	Purchase	130,900	$3.21	$420K	5,311,285	Form 4
Feb 20, 2019	Glendon Capital Management LP 10 percent owner	Purchase	7,400	$3.44	$25K	5,180,385	Form 4
Feb 19, 2019	Glendon Capital Management LP 10 percent owner	Purchase	6,300	$3.44	$22K	5,172,985	Form 4
Feb 15, 2019	Glendon Capital Management LP 10 percent owner	Purchase	46,800	$3.35	$157K	5,166,685	Form 4
Dec 31, 2018	Glendon Capital Management LP 10 percent owner	Purchase	900	$2.74	$2K	5,119,885	Form 4
Dec 17, 2018	Glendon Capital Management LP 10 percent owner	Purchase	7,500	$3.14	$24K	5,118,985	Form 4

Vafias Harry

CEO, President & CFO · Director

Gift

Date

Apr 29

99,623

Price

—

Value

—

View Form 4 on SEC.gov

Vafias Harry

CEO, President & CFO · Director

Option

Date

Apr 27

100,000

Price

$6.01

Value

$601K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Jul 1

39,125

Price

$3.50

Value

$137K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Jun 28

6,502

Price

$3.40

Value

$22K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Jun 27

50,000

Price

$3.36

Value

$168K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Mar 19

422,065

Price

$3.30

Value

$1.39M ⚡

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Mar 15

5,000

Price

$3.05

Value

$15K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Mar 14

3,200

Price

$3.05

Value

$10K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Mar 13

18,000

Price

$3.09

Value

$56K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Mar 11

2,000

Price

$3.09

Value

$6K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Mar 8

2,400

Price

$3.06

Value

$7K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Mar 7

3,600

Price

$3.11

Value

$11K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Mar 6

493,536

Price

$3.20

Value

$1.58M ⚡

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Mar 5

19,998

Price

$3.25

Value

$65K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Mar 4

10,000

Price

$3.24

Value

$32K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Feb 28

50,000

Price

$3.29

Value

$165K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Feb 26

42,000

Price

$3.35

Value

$141K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Feb 25

2,473

Price

$3.35

Value

$8K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Feb 22

17,610

Price

$3.30

Value

$58K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Feb 21

130,900

Price

$3.21

Value

$420K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Feb 20

7,400

Price

$3.44

Value

$25K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Feb 19

6,300

Price

$3.44

Value

$22K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Feb 15

46,800

Price

$3.35

Value

$157K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Dec 31

900

Price

$2.74

Value

$2K

View Form 4 on SEC.gov

Glendon Capital Management LP

10 percent owner

Purchase

Date

Dec 17

7,500

Price

$3.14

Value

$24K

View Form 4 on SEC.gov

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

1 / 3

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

About GASS insider trading

GASS insider trades

StealthGas Inc. (GASS) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Vafias Harry (CEO, President & CFO · Director). Over the past 12 months, 1 insiders have filed transactions with the SEC. GASS insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For StealthGas Inc.'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

GASS insider trading · 5 questions

The insiders of StealthGas Inc. (GASS) include executives and directors such as Vafias Harry (CEO, President & CFO · Director), among others. Over the past 12 months, 1 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

GASS board member insider tradingwho are GASS insidersGASS insider rosterStealthGas Inc. 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