GIMBEL LISA (CHIEF ACCOUNTING OFFICER) sold 17.3% of their position (2.86K shares) of PUBMATIC, INC. on the open market

Open‑market sale worth $28.3K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

GIMBEL LISA

Filed: 5/19/2026ACC: 0001980851-26-000004

InsiderGIMBEL LISACIK 1980851

→

IssuerPUBMATIC, INC.CIK 1422930

Officer· CHIEF ACCOUNTING OFFICER

Since Feb 2026

-2.86K

Net shares

Net seller

$28.3K

Total sold

Open market trades

0B · 1S

Total transactions

3.77K acquired · 6.63K disposed

Non-Derivative Transactions5

Class A Common Stock

Direct

M · Option Exercise

+1.40K

Price / share

—

Trade value

—

% of position

10.9%

5/15/2026

12.78K→14.17K

Class A Common Stock

Direct

M · Option Exercise

+773.00

Price / share

—

Trade value

—

% of position

5.5%

5/15/2026

14.17K→14.94K

Class A Common Stock

Direct

M · Option Exercise

+802.00

Price / share

—

Trade value

—

% of position

5.4%

5/15/2026

14.94K→15.74K

Class A Common Stock

Direct

M · Option Exercise

+795.00

Price / share

—

Trade value

—

% of position

5.0%

5/15/2026

15.74K→16.54K

Class A Common Stock

Direct

S · Sale

−2.86K

Price / share

$9.89

Trade value

$28.32K

% of position

17.3%

5/18/2026

16.54K→13.68K

Total

Net shares

+902.00

Net value

-$28.32K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	5/15/2026	M · Option Exercise	+1.40K	—	—	10.9%	12.78K	14.17K
Class A Common Stock Direct	5/15/2026	M · Option Exercise	+773.00	—	—	5.5%	14.17K	14.94K
Class A Common Stock Direct	5/15/2026	M · Option Exercise	+802.00	—	—	5.4%	14.94K	15.74K
Class A Common Stock Direct	5/15/2026	M · Option Exercise	+795.00	—	—	5.0%	15.74K	16.54K
Class A Common Stock Direct	5/18/2026	S · Sale	−2.86K	$9.89	$28.32K	17.3%	16.54K	13.68K
Total			+902.00		-$28.32K

Derivative Transactions4

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

1.40K shares

−1.40K

Strike price

Held after

6.97K

Exercisable

—

5/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

773.00 shares

−773.00

Strike price

Held after

5.41K

Exercisable

—

5/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

802.00 shares

−802.00

Strike price

Held after

8.81K

Exercisable

—

5/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Class A Common Stock

795.00 shares

−795.00

Strike price

Held after

11.92K

Exercisable

—

5/15/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Class A Common Stock1.40K shares	5/15/2026	M · Option Exercise	−1.40K	—	6.97K
Restricted Stock Units Direct	Class A Common Stock773.00 shares	5/15/2026	M · Option Exercise	−773.00	—	5.41K
Restricted Stock Units Direct	Class A Common Stock802.00 shares	5/15/2026	M · Option Exercise	−802.00	—	8.81K
Restricted Stock Units Direct	Class A Common Stock795.00 shares	5/15/2026	M · Option Exercise	−795.00	—	11.92K