Robert Aspbury - Apr 1, 2024 Form 4 Insider Report for Certara, Inc. (CERT)

Role: PRESIDENT; SCIENTIFIC SOFTWARE
Signature: /s/ Richard M. Traynor, as Attorney-In-Fact for Robert P. Aspbury
Stock symbol: CERT
Transactions as of: Apr 1, 2024
Transactions value $: -$189,975
Form type: 4
Date filed: 4/3/2024, 05:00 PM
Previous filing: Mar 6, 2024
Next filing: Jul 2, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CERT	Common Stock	Tax liability	-$51.3K	-2.87K	-1.01%	$17.88	281K	Apr 1, 2024	Direct	F1, F2, F3
transaction	CERT	Common Stock	Options Exercise	$0	+8.65K	+3.07%	$0.00	290K	Apr 1, 2024	Direct	F3, F4
transaction	CERT	Common Stock	Tax liability	-$72.7K	-4.06K	-1.4%	$17.88	286K	Apr 1, 2024	Direct	F2, F3
transaction	CERT	Common Stock	Options Exercise	$0	+7.85K	+2.75%	$0.00	294K	Apr 1, 2024	Direct	F3, F5
transaction	CERT	Common Stock	Tax liability	-$66K	-3.69K	-1.26%	$17.88	290K	Apr 1, 2024	Direct	F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CERT	Restricted Stock Units	Options Exercise	$0	-8.65K	-50%	$0.00	8.65K	Apr 1, 2024	Common Stock	8.65K		Direct	F4
transaction	CERT	Restricted Stock Units	Options Exercise	$0	-7.85K	-33.33%	$0.00	15.7K	Apr 1, 2024	Common Stock	7.85K		Direct	F5
transaction	CERT	Restricted Stock Units	Award	$0	+30.4K		$0.00	30.4K	Apr 1, 2024	Common Stock	30.4K		Direct	F6

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each RSU was granted on April 1, 2021, under the Certara, Inc. ("Certara") 2020 Incentive Plan (the "2020 Incentive Plan") and represents the right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2022. One-third of the RSUs vested and were settled on March 31, 2023. The remaining one-third of the RSUs vested and were settled on April 1, 2024.
F2	Represents RSUs of Certara withheld to satisfy tax withholding obligations in connection with the vesting of RSUs described in footnotes, 1, 4, and 5, exempt under Rule 16b-3.
F3	The total reported in Column 5 includes 7,937 RSUs which was previously reported in Table 1 of Form 4.
F4	Each RSU was granted on April 1, 2022, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on March 31, 2023. One-third of the RSUs vested and were settled on April 1, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on April 1, 2025.
F5	Each RSU was granted on April 1, 2023, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2024. The remaining two-thirds of the RSUs are scheduled to vest and settle in equal parts on April 1, 2025 and April 1, 2026.
F6	Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2025, April 1, 2026 and April 1, 2027.