PUBM
PubMatic, Inc.
NASDAQ · Technology · Software - Application · US
$16.50
−2.71%0
Insider buys (3m)
26
Insider sells (3m)
-$10.2M
Net value (3m)
+43.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 2, 2026 | Gimbel Lisa · officer: CHIEF ACCOUNTING OFFICER | Sale | 500 | $16 |
| Aug 21, 2026 | Goel Rajeev K. · director, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | M-Exempt | 21,871 | $2.15 |
| Aug 21, 2026 | Goel Rajeev K. · director, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | Sale | 49,980 | $16 |
| Aug 18, 2026 | Kumar Mukul · officer: PRESIDENT, ENGINEERING | Sale | 8,000 | $17 |
| Aug 18, 2026 | Gimbel Lisa · officer: CHIEF ACCOUNTING OFFICER | Sale | 1,396 | $17 |
| Aug 18, 2026 | Gimbel Lisa · officer: CHIEF ACCOUNTING OFFICER | M-Exempt | 801 | $0.00 |
| Aug 18, 2026 | Kumar Mukul · officer: PRESIDENT, ENGINEERING | M-Exempt | 8,000 | $2.15 |
| Aug 18, 2026 | Gimbel Lisa · officer: CHIEF ACCOUNTING OFFICER | M-Exempt | 1,395 | $0.00 |
| Aug 18, 2026 | Gimbel Lisa · officer: CHIEF ACCOUNTING OFFICER | M-Exempt | 772 | $0.00 |
| Aug 18, 2026 | Gimbel Lisa · officer: CHIEF ACCOUNTING OFFICER | M-Exempt | 794 | $0.00 |
| Aug 14, 2026 | Gimbel Lisa · officer: CHIEF ACCOUNTING OFFICER | Sale | 500 | $18 |
| Aug 14, 2026 | Pantelick Steven · officer: CHIEF FINANCIAL OFFICER | Sale | 19,716 | $17 |
| Aug 14, 2026 | Pantelick Steven · officer: CHIEF FINANCIAL OFFICER | Sale | 22,203 | $17 |
| Aug 10, 2026 | Woods Andrew · officer: GENERAL COUNSEL & SECRETARY | Sale | 38,331 | $18 |
| Aug 7, 2026 | Goel Rajeev K. · director, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | M-Exempt | 211,302 | $3.89 |
| Aug 7, 2026 | Goel Rajeev K. · director, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | Sale | 211,302 | $18 |
| Jul 27, 2026 | Goel Rajeev K. · director, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | Sale | 49,979 | $12 |
| Jul 27, 2026 | Goel Rajeev K. · director, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | M-Exempt | 21,870 | $2.15 |
| Jul 17, 2026 | Kumar Mukul · officer: PRESIDENT, ENGINEERING | Sale | 8,000 | $14 |
| Jul 17, 2026 | Woods Andrew · officer: GENERAL COUNSEL & SECRETARY | Sale | 3,239 | $14 |
| Jul 17, 2026 | Kumar Mukul · officer: PRESIDENT, ENGINEERING | M-Exempt | 8,000 | $2.15 |
| Jul 17, 2026 | Goel Rajeev K. · director, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | Sale | 4,060 | $14 |
| Jul 17, 2026 | Goel Rajeev K. · director, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | M-Exempt | 8,962 | $3.89 |
| Jul 17, 2026 | Goel Rajeev K. · director, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | Sale | 8,962 | $14 |
| Jul 17, 2026 | Goel Rajeev K. · director, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | M-Exempt | 4,060 | $3.89 |
| Jul 6, 2026 | Woods Andrew · officer: GENERAL COUNSEL & SECRETARY | M-Exempt | 15,823 | $0.00 |
| Jul 6, 2026 | Goel Amar K. · director, 10 percent owner, officer: CHAIRMAN, CHIEF INNOVATION OFF | M-Exempt | 3,245 | $0.00 |
| Jul 6, 2026 | Pantelick Steven · officer: CHIEF FINANCIAL OFFICER | Sale | 23,548 | $14 |
| Jul 6, 2026 | Goel Rajeev K. · director, 10 percent owner, officer: CHIEF EXECUTIVE OFFICER | M-Exempt | 43,376 | $0.00 |
| Jul 6, 2026 | Woods Andrew · officer: GENERAL COUNSEL & SECRETARY | M-Exempt | 2,809 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 54Increased 116Reduced 94Sold out 18
| Filer | Action | Shares | Filed |
|---|---|---|---|
| GRAHAM HOLDINGS CO | Increased | 3,398,904 | May 15, 2026 |
| Graham Holdings Co | Unchanged | 3,398,904 | Aug 14, 2026 |
| BlackRock, Inc. | Increased | 3,279,530 | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 3,065,036 | May 13, 2026 |
| CENTERBOOK PARTNERS LP | Increased | 1,742,100 | May 5, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 1,661,312 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1,613,769 | May 15, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 1,576,540 | May 13, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | 1,573,911 | Aug 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 1,540,533 | May 14, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 1,491,121 | Aug 11, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1,421,049 | Aug 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 1,245,359 | May 7, 2026 |
| Walleye Trading LLC | Increased | 1,215,760 | Aug 3, 2026 |
| Whitefort Capital Management, LP | Increased | 1,110,656 | Aug 14, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 2, 2026