Certara, Inc.

CERTNASDAQHealthcare● Active

$5.22

$-0.15(-2.79%)

Market Cap$812047254

P/E Ratio—

52W High$13.88

52W Low$4.45

Avg Volume4.0M

Open$5.41

Beta1.49

Insider Trades Ownership Employees

Certara, Inc. (CERT) 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 · CERT · as of Jun 9, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

1.00

Buy/Sell (by trades)

Overall sentiment

NEUTRAL

↑ Buy 50%Active transactions only · RSU vesting excluded50% Sell ↓

Certara, 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

CERT insider buying and selling by quarter

CERT insider selling · CERT insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

4.7M2.3M0

2024 Q3

2024 Q4

2025 Q1

2025 Q2

2025 Q3

2025 Q4

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 9, 2026

Active insiders

Most active in past 12 months · CERT 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

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

Showing 44 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Jun 1, 2026	Anhalt Rona Chief Human Resources Officer	Option	7,147	—	—	19,030	Form 4
Jun 1, 2026	Anhalt Rona Chief Human Resources Officer	Other	2,241	$5.82	$13K	16,789	Form 4
Jun 1, 2026	Corcoran Daniel SVP and General Counsel	Option	14,889	—	—	39,939	Form 4
Jun 1, 2026	Corcoran Daniel SVP and General Counsel	Other	7,893	$5.82	$46K	32,046	Form 4
Jun 1, 2026	Corcoran Daniel SVP and General Counsel	Option	7,941	—	—	29,260	Form 4
Jun 1, 2026	Corcoran Daniel SVP and General Counsel	Other	4,210	$5.82	$25K	25,050	Form 4
May 14, 2026	Collins Cynthia Director	Option	15,757	—	—	51,846	Form 4
May 14, 2026	Reynders John V W CFO · Director	Option	15,757	—	—	26,466	Form 4
May 14, 2026	BROSHY ERAN Director	Option	15,757	—	—	50,708	Form 4
May 14, 2026	Bedi Arjun Director	Option	5,547	—	—	5,547	Form 4
May 14, 2026	CASHMAN JAMES E III Director	Option	15,757	—	—	484,197	Form 4
May 14, 2026	Killefer Nancy Director	Option	15,757	—	—	51,846	Form 4
May 14, 2026	Crane Rosemary A Director	Option	15,757	—	—	45,672	Form 4
May 14, 2026	WALSH MATTHEW M Director	Option	15,757	—	—	213,316	Form 4
May 11, 2026	Resnick Jon Matthew CEO · Director	Option	59,766	—	—	59,766	Form 4
May 11, 2026	Resnick Jon Matthew CEO · Director	Other	24,377	$6.31	$154K	35,389	Form 4
Apr 1, 2026	Pedersen Leif E PRESIDENT, CHIEF COMMERCAL OFF	Option	15,188	—	—	113,744	Form 4
Apr 1, 2026	Pedersen Leif E PRESIDENT, CHIEF COMMERCAL OFF	Other	3,699	$5.70	$21K	110,045	Form 4
Apr 1, 2026	Pedersen Leif E PRESIDENT, CHIEF COMMERCAL OFF	Option	10,127	—	—	101,022	Form 4
Apr 1, 2026	Pedersen Leif E PRESIDENT, CHIEF COMMERCAL OFF	Other	2,466	$5.70	$14K	98,556	Form 4
Apr 1, 2026	Pedersen Leif E PRESIDENT, CHIEF COMMERCAL OFF	Option	7,852	—	—	92,807	Form 4
Apr 1, 2026	Pedersen Leif E PRESIDENT, CHIEF COMMERCAL OFF	Other	1,912	$5.70	$11K	90,895	Form 4
Apr 1, 2026	Pedersen Leif E PRESIDENT, CHIEF COMMERCAL OFF	Award	14,510	—	—	88,489	Form 4
Apr 1, 2026	Pedersen Leif E PRESIDENT, CHIEF COMMERCAL OFF	Other	3,534	$5.70	$20K	84,955	Form 4
Apr 1, 2026	McKemey Adrian President, Drug Dev. Solutions	Option	10,849	—	—	10,849	Form 4

Anhalt Rona

Chief Human Resources Officer

Option

Date

Jun 1

7,147

Price

—

Value

—

View Form 4 on SEC.gov

Anhalt Rona

Chief Human Resources Officer

Other

Date

Jun 1

2,241

Price

$5.82

Value

$13K

View Form 4 on SEC.gov

Corcoran Daniel

SVP and General Counsel

Option

Date

Jun 1

14,889

Price

—

Value

—

View Form 4 on SEC.gov

Corcoran Daniel

SVP and General Counsel

Other

Date

Jun 1

7,893

Price

$5.82

Value

$46K

View Form 4 on SEC.gov

Corcoran Daniel

SVP and General Counsel

Option

Date

Jun 1

7,941

Price

—

Value

—

View Form 4 on SEC.gov

Corcoran Daniel

SVP and General Counsel

Other

Date

Jun 1

4,210

Price

$5.82

Value

$25K

View Form 4 on SEC.gov

Collins Cynthia

Director

Option

Date

May 14

15,757

Price

—

Value

—

View Form 4 on SEC.gov

Reynders John V W

CFO · Director

Option

Date

May 14

15,757

Price

—

Value

—

View Form 4 on SEC.gov

BROSHY ERAN

Director

Option

Date

May 14

15,757

Price

—

Value

—

View Form 4 on SEC.gov

Bedi Arjun

Director

Option

Date

May 14

5,547

Price

—

Value

—

View Form 4 on SEC.gov

CASHMAN JAMES E III

Director

Option

Date

May 14

15,757

Price

—

Value

—

View Form 4 on SEC.gov

Killefer Nancy

Director

Option

Date

May 14

15,757

Price

—

Value

—

View Form 4 on SEC.gov

Crane Rosemary A

Director

Option

Date

May 14

15,757

Price

—

Value

—

View Form 4 on SEC.gov

WALSH MATTHEW M

Director

Option

Date

May 14

15,757

Price

—

Value

—

View Form 4 on SEC.gov

Resnick Jon Matthew

CEO · Director

Option

Date

May 11

59,766

Price

—

Value

—

View Form 4 on SEC.gov

Resnick Jon Matthew

CEO · Director

Other

Date

May 11

24,377

Price

$6.31

Value

$154K

View Form 4 on SEC.gov

Pedersen Leif E

PRESIDENT, CHIEF COMMERCAL OFF

Option

Date

Apr 1

15,188

Price

—

Value

—

View Form 4 on SEC.gov

Pedersen Leif E

PRESIDENT, CHIEF COMMERCAL OFF

Other

Date

Apr 1

3,699

Price

$5.70

Value

$21K

View Form 4 on SEC.gov

Pedersen Leif E

PRESIDENT, CHIEF COMMERCAL OFF

Option

Date

Apr 1

10,127

Price

—

Value

—

View Form 4 on SEC.gov

Pedersen Leif E

PRESIDENT, CHIEF COMMERCAL OFF

Other

Date

Apr 1

2,466

Price

$5.70

Value

$14K

View Form 4 on SEC.gov

Pedersen Leif E

PRESIDENT, CHIEF COMMERCAL OFF

Option

Date

Apr 1

7,852

Price

—

Value

—

View Form 4 on SEC.gov

Pedersen Leif E

PRESIDENT, CHIEF COMMERCAL OFF

Other

Date

Apr 1

1,912

Price

$5.70

Value

$11K

View Form 4 on SEC.gov

Pedersen Leif E

PRESIDENT, CHIEF COMMERCAL OFF

Award

Date

Apr 1

14,510

Price

—

Value

—

View Form 4 on SEC.gov

Pedersen Leif E

PRESIDENT, CHIEF COMMERCAL OFF

Other

Date

Apr 1

3,534

Price

$5.70

Value

$20K

View Form 4 on SEC.gov

McKemey Adrian

President, Drug Dev. Solutions

Option

Date

Apr 1

10,849

Price

—

Value

—

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 CERT insider trading

CERT insider trades

Certara, Inc. (CERT) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Pedersen Leif E (PRESIDENT, CHIEF COMMERCAL OFF), Gallagher John E (CFO), Aspbury Robert (PRESIDENT, PREDICTIVE TECH). Over the past 12 months, 5 insiders have filed transactions with the SEC. CERT insiders have been mixed buying and selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Certara, 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

CERT insider trading · 5 questions

The insiders of Certara, Inc. (CERT) include executives and directors such as Pedersen Leif E (PRESIDENT, CHIEF COMMERCAL OFF), Gallagher John E (CFO), Aspbury Robert (PRESIDENT, PREDICTIVE TECH), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

CERT board member insider tradingwho are CERT insidersCERT insider rosterCertara, 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