StoneBridge Acquisition Corporation

APACNASDAQFinancial Services

$11.70

+$3.52(+43.03%)

Market Cap$86883837

P/E Ratio—

52W High$13.99

52W Low$4.7617

Avg Volume22K

Open$7.67

Beta0.09

Insider Trades Ownership Employees

StoneBridge Acquisition Corporation (APAC) 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 · APAC · as of Jun 9, 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 ↓

StoneBridge Acquisition Corporation 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 9, 2026

APAC insider buying and selling by quarter

APAC insider selling · APAC insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

3.0M1.5M0

2010 Q3

2010 Q4

2011 Q1

2011 Q2

2011 Q4

2021 Q3

2024 Q1

2026 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 9, 2026

Recent insider transactions

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

Showing 27 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Oct 14, 2011	DOOLAN JOSEPH VP and Controller	Other	57,500	$8.55	$492K	0	Form 4
Oct 14, 2011	Workman John L Director	Other	55,000	$8.55	$470K	0	Form 4
Nov 14, 2008	Workman John L Director	Purchase	7,900	$1.50	$12K	10,000	Form 4
Nov 14, 2008	Workman John L Director	Purchase	1,000	$1.49	$1K	2,100	Form 4
Nov 14, 2008	Workman John L Director	Purchase	1,000	$1.49	$1K	1,100	Form 4
Nov 14, 2008	Workman John L Director	Purchase	100	$1.49	$149	100	Form 4
Aug 22, 2008	Workman John L Director	Purchase	5,605	$2.29	$13K	10,000	Form 4
Aug 22, 2008	Workman John L Director	Purchase	2,900	$2.28	$7K	4,395	Form 4
Aug 22, 2008	Workman John L Director	Purchase	1,495	$2.26	$3K	1,495	Form 4
Feb 21, 2008	DOOLAN JOSEPH VP, Controller	Award	50,000	—	—	135,000	Form 4
Nov 16, 2007	KELLER ROBERT J CEO	Purchase	10,694	$1.70	$18K	323,500	Form 4
Nov 9, 2007	KELLER ROBERT J CEO	Purchase	4,900	$1.59	$8K	312,806	Form 4
Nov 9, 2007	KELLER ROBERT J CEO	Purchase	1,406	$1.59	$2K	307,906	Form 4
Nov 9, 2007	KELLER ROBERT J CEO	Purchase	3,000	$1.56	$5K	306,500	Form 4
May 11, 2007	DOOLAN JOSEPH Vice President and Controller	Purchase	2,500	$3.42	$9K	7,500	Form 4
May 11, 2007	DOOLAN JOSEPH Vice President and Controller	Purchase	5,000	$3.30	$17K	5,000	Form 4
Feb 26, 2007	KELLER ROBERT J CEO	Award	100,000	—	—	303,500	Form 4
Mar 30, 2006	KELLER ROBERT J CEO	Award	100,000	—	—	303,500	Form 4
Feb 7, 2006	Schneider Pamela R Sr. VP, General Counsel & Sec.	Award	29,000	—	—	35,500	Form 4
Feb 7, 2006	KELLER ROBERT J CEO	Award	65,000	—	—	203,500	Form 4
Nov 22, 2005	Schneider Pamela R Sr. VP and General Counsel	Purchase	1,400	$1.53	$2K	6,500	Form 4
Nov 22, 2005	Schneider Pamela R Sr. VP and General Counsel	Purchase	600	$1.52	$912	5,100	Form 4
Nov 22, 2005	Schneider Pamela R Sr. VP and General Counsel	Purchase	300	$1.51	$453	4,500	Form 4
Nov 22, 2005	Schneider Pamela R Sr. VP and General Counsel	Purchase	4,100	$1.49	$6K	4,200	Form 4
Nov 22, 2005	Schneider Pamela R Sr. VP and General Counsel	Purchase	100	$1.48	$148	100	Form 4

DOOLAN JOSEPH

VP and Controller

Other

Date

Oct 14

57,500

Price

$8.55

Value

$492K

View Form 4 on SEC.gov

Workman John L

Director

Other

Date

Oct 14

55,000

Price

$8.55

Value

$470K

View Form 4 on SEC.gov

Workman John L

Director

Purchase

Date

Nov 14

7,900

Price

$1.50

Value

$12K

View Form 4 on SEC.gov

Workman John L

Director

Purchase

Date

Nov 14

1,000

Price

$1.49

Value

$1K

View Form 4 on SEC.gov

Workman John L

Director

Purchase

Date

Nov 14

1,000

Price

$1.49

Value

$1K

View Form 4 on SEC.gov

Workman John L

Director

Purchase

Date

Nov 14

100

Price

$1.49

Value

$149

View Form 4 on SEC.gov

Workman John L

Director

Purchase

Date

Aug 22

5,605

Price

$2.29

Value

$13K

View Form 4 on SEC.gov

Workman John L

Director

Purchase

Date

Aug 22

2,900

Price

$2.28

Value

$7K

View Form 4 on SEC.gov

Workman John L

Director

Purchase

Date

Aug 22

1,495

Price

$2.26

Value

$3K

View Form 4 on SEC.gov

DOOLAN JOSEPH

VP, Controller

Award

Date

Feb 21

50,000

Price

—

Value

—

View Form 4 on SEC.gov

KELLER ROBERT J

CEO

Purchase

Date

Nov 16

10,694

Price

$1.70

Value

$18K

View Form 4 on SEC.gov

KELLER ROBERT J

CEO

Purchase

Date

Nov 9

4,900

Price

$1.59

Value

$8K

View Form 4 on SEC.gov

KELLER ROBERT J

CEO

Purchase

Date

Nov 9

1,406

Price

$1.59

Value

$2K

View Form 4 on SEC.gov

KELLER ROBERT J

CEO

Purchase

Date

Nov 9

3,000

Price

$1.56

Value

$5K

View Form 4 on SEC.gov

DOOLAN JOSEPH

Vice President and Controller

Purchase

Date

May 11

2,500

Price

$3.42

Value

$9K

View Form 4 on SEC.gov

DOOLAN JOSEPH

Vice President and Controller

Purchase

Date

May 11

5,000

Price

$3.30

Value

$17K

View Form 4 on SEC.gov

KELLER ROBERT J

CEO

Award

Date

Feb 26

100,000

Price

—

Value

—

View Form 4 on SEC.gov

KELLER ROBERT J

CEO

Award

Date

Mar 30

100,000

Price

—

Value

—

View Form 4 on SEC.gov

Schneider Pamela R

Sr. VP, General Counsel & Sec.

Award

Date

Feb 7

29,000

Price

—

Value

—

View Form 4 on SEC.gov

KELLER ROBERT J

CEO

Award

Date

Feb 7

65,000

Price

—

Value

—

View Form 4 on SEC.gov

Schneider Pamela R

Sr. VP and General Counsel

Purchase

Date

Nov 22

1,400

Price

$1.53

Value

$2K

View Form 4 on SEC.gov

Schneider Pamela R

Sr. VP and General Counsel

Purchase

Date

Nov 22

600

Price

$1.52

Value

$912

View Form 4 on SEC.gov

Schneider Pamela R

Sr. VP and General Counsel

Purchase

Date

Nov 22

300

Price

$1.51

Value

$453

View Form 4 on SEC.gov

Schneider Pamela R

Sr. VP and General Counsel

Purchase

Date

Nov 22

4,100

Price

$1.49

Value

$6K

View Form 4 on SEC.gov

Schneider Pamela R

Sr. VP and General Counsel

Purchase

Date

Nov 22

100

Price

$1.48

Value

$148

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 APAC insider trading

APAC insider trades

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

For StoneBridge Acquisition Corporation'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

APAC insider trading · 5 questions

The insiders of StoneBridge Acquisition Corporation (APAC) include executives and directors such as APAC, 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.

APAC board member insider tradingwho are APAC insidersAPAC insider rosterStoneBridge Acquisition Corporation 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