Heat Biologics, Inc.

HTBXAMEXHealthcare

$2.38

+$0.01(+0.42%)

Market Cap$61074370

P/E Ratio—

52W High$2.48

52W Low$2.33

Avg Volume155K

Open$2.41

Beta0.30

Insider Trades Ownership Employees

Heat Biologics, Inc. (HTBX) 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 · HTBX · as of Jun 9, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

NEUTRAL

↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Heat Biologics, Inc. insiders have shown mixed buying and selling activity over the past 12 Months.

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

As of Jun 9, 2026

Recent insider transactions

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

Showing 14 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Nov 12, 2020	Smith Edward B III Director	Sale	103,304	$1.03	$106K	0	Form 4
Aug 13, 2020	Ostrander William L. VP Finance/Corp Secy	Option	15,625	$0.52	$8K	15,625	Form 4
Aug 13, 2020	Ostrander William L. VP Finance/Corp Secy	Other	4,440	$1.83	$8K	11,185	Form 4
Jan 1, 2019	Rosar Ann A VP of Finance	Award	89,430	—	—	93,379	Form 4
Jan 8, 2018	Rosar Ann A VP of Finance	Award	45,000	—	—	108,236	Form 4
Apr 28, 2017	Smith Edward B III Director	Award	335,743	$0.00	$67	1,033,046	Form 4
Apr 28, 2017	Smith Edward B III Director	Award	10,010	$0.00	$2	10,010	Form 4
Feb 7, 2017	Rosar Ann A VP of Finance	Other	6,764	$0.88	$6K	63,236	Form 4
Jan 2, 2017	Rosar Ann A VP of Finance	Award	70,000	—	—	70,000	Form 4
May 16, 2014	Belsky Paul Director	Purchase	1,265	$4.15	$5K	47,190	Form 4
May 16, 2014	Belsky Paul Director	Purchase	1,235	$4.07	$5K	45,925	Form 4
Jul 29, 2013	BRIGHTLINE CAPITAL MANAGEMENT, LLC 10 percent owner	Other	697,303	—	—	697,303	Form 4
Jul 29, 2013	Belsky Paul Director	Purchase	51	—	—	44,690	Form 4
Jul 29, 2013	Belsky Paul Director	Other	1,160	—	—	44,639	Form 4

Smith Edward B III

Director

Sale

Date

Nov 12

103,304

Price

$1.03

Value

$106K

View Form 4 on SEC.gov

Ostrander William L.

VP Finance/Corp Secy

Option

Date

Aug 13

15,625

Price

$0.52

Value

$8K

View Form 4 on SEC.gov

Ostrander William L.

VP Finance/Corp Secy

Other

Date

Aug 13

4,440

Price

$1.83

Value

$8K

View Form 4 on SEC.gov

Rosar Ann A

VP of Finance

Award

Date

Jan 1

89,430

Price

—

Value

—

View Form 4 on SEC.gov

Rosar Ann A

VP of Finance

Award

Date

Jan 8

45,000

Price

—

Value

—

View Form 4 on SEC.gov

Smith Edward B III

Director

Award

Date

Apr 28

335,743

Price

$0.00

Value

$67

View Form 4 on SEC.gov

Smith Edward B III

Director

Award

Date

Apr 28

10,010

Price

$0.00

Value

View Form 4 on SEC.gov

Rosar Ann A

VP of Finance

Other

Date

Feb 7

6,764

Price

$0.88

Value

$6K

View Form 4 on SEC.gov

Rosar Ann A

VP of Finance

Award

Date

Jan 2

70,000

Price

—

Value

—

View Form 4 on SEC.gov

Belsky Paul

Director

Purchase

Date

May 16

1,265

Price

$4.15

Value

$5K

View Form 4 on SEC.gov

Belsky Paul

Director

Purchase

Date

May 16

1,235

Price

$4.07

Value

$5K

View Form 4 on SEC.gov

BRIGHTLINE CAPITAL MANAGEMENT, LLC

10 percent owner

Other

Date

Jul 29

697,303

Price

—

Value

—

View Form 4 on SEC.gov

Belsky Paul

Director

Purchase

Date

Jul 29

Price

—

Value

—

View Form 4 on SEC.gov

Belsky Paul

Director

Other

Date

Jul 29

1,160

Price

—

Value

—

View Form 4 on SEC.gov

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

About HTBX insider trading

HTBX insider trades

Heat Biologics, Inc. (HTBX) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including HTBX. Over the past 12 months, 0 insiders have filed transactions with the SEC. HTBX insiders have been mixed buying and selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Heat Biologics, 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

HTBX insider trading · 5 questions

The insiders of Heat Biologics, Inc. (HTBX) include executives and directors such as HTBX, 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.

HTBX board member insider tradingwho are HTBX insidersHTBX insider rosterHeat Biologics, 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 9, 2026