Star Peak Corp II

STPCNYSEFinancial Services

$9.87

$-0.14(-1.40%)

Market Cap$2.0B

P/E Ratio—

52W High$10.08

52W Low$9.85

Avg Volume301K

Open$10.04

Beta0.00

Insider Trades Ownership Employees

Star Peak Corp II (STPC) 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 · STPC · 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 ↓

Star Peak Corp II 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

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

Showing 4 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Sep 29, 2021	SHAPER C PARK Director	Option	40,000	—	—	40,000	Form 4
Sep 29, 2021	ROGERS DESIREE G Director	Option	40,000	—	—	40,000	Form 4
Sep 29, 2021	MORGAN MICHAEL C Director	Purchase	300,000	$10.00	$3.00M⚡	10,282,500	Form 4
Sep 29, 2021	MORGAN MICHAEL C Director	Option	9,982,500	—	—	9,982,500	Form 4

SHAPER C PARK

Director

Option

Date

Sep 29

40,000

Price

—

Value

—

View Form 4 on SEC.gov

ROGERS DESIREE G

Director

Option

Date

Sep 29

40,000

Price

—

Value

—

View Form 4 on SEC.gov

MORGAN MICHAEL C

Director

Purchase

Date

Sep 29

300,000

Price

$10.00

Value

$3.00M ⚡

View Form 4 on SEC.gov

MORGAN MICHAEL C

Director

Option

Date

Sep 29

9,982,500

Price

—

Value

—

View Form 4 on SEC.gov

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

About STPC insider trading

STPC insider trades

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

For Star Peak Corp II'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

STPC insider trading · 5 questions

The insiders of Star Peak Corp II (STPC) include executives and directors such as STPC, 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.

STPC board member insider tradingwho are STPC insidersSTPC insider rosterStar Peak Corp II 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