EXPONENT INC
Total Trades
70
Buys
1
Sells
52
Largest Trade
$1M+
Insiders
14
Institutional Funds
299
Inst. Value
$1M+
Activist Filings
17
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Reiss Richard | Group Vice President | SELL | $50K–$100K | 856 | $89.07 | Aug 18, 2023 |
| Murray Steven J | Group Vice President | SELL | $50K–$100K | 1K | $86.77 | Aug 15, 2023 |
| Reiss Richard | Group Vice President | SELL | $100K–$500K | 3K | $89.48 | May 24, 2023 |
| James Bradley A | Group Vice President | SELL | $100K–$500K | 2K | $89.36 | May 22, 2023 |
| Rakow Joseph | Group Vice President | SELL | $100K–$500K | 1K | $86.59 | May 12, 2023 |
| Kytomaa Harri | Group Vice President | SELL | $15K–$50K | 350 | $103.24 | Feb 24, 2023 |
| Kytomaa Harri | Group Vice President | SELL | $15K–$50K | 350 | $108.00 | Feb 21, 2023 |
| Kytomaa Harri | Group Vice President | SELL | $15K–$50K | 350 | $107.00 | Feb 16, 2023 |
| Kytomaa Harri | Group Vice President | SELL | $15K–$50K | 350 | $106.00 | Feb 14, 2023 |
| Lindstrom Carol | Director | SELL | $100K–$500K | 2K | $106.59 | Feb 9, 2023 |
| Murray Steven J | Group Vice President | SELL | $100K–$500K | 1K | $106.78 | Feb 8, 2023 |
| Kytomaa Harri | Group Vice President | SELL | $50K–$100K | 650 | $102.51 | Nov 18, 2022 |
| James Bradley A | Group Vice President | SELL | $50K–$100K | 575 | $96.21 | Nov 7, 2022 |
| Reiss Richard | Group Vice President | SELL | $100K–$500K | 3K | $101.92 | Aug 23, 2022 |
| Reitman Maureen T. F. | Group Vice President | SELL | $100K–$500K | 3K | $99.10 | Aug 16, 2022 |
| Shepard Sally | CHRO | SELL | $100K–$500K | 3K | $100.00 | Aug 16, 2022 |
| Reitman Maureen T. F. | Group Vice President | SELL | $100K–$500K | 3K | $98.90 | Aug 10, 2022 |
| Kytomaa Harri | Group Vice President | SELL | $100K–$500K | 2K | $98.00 | Aug 9, 2022 |
| Kytomaa Harri | Group Vice President | SELL | $50K–$100K | 650 | $89.20 | May 27, 2022 |
| Brown George H. | Director | BUY | $100K–$500K | 2K | $85.18 | Feb 10, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 299 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| VANGUARD GROUP INC | 4.7M | $1M+ | SH |
| Conestoga Capital Advisors, LLC | 2.4M | $1M+ | SH |
| STATE STREET CORP | 1.9M | $1M+ | SH |
| Neuberger Berman Group LLC | 1.5M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $1M+ | SH |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 1.2M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 849K | $1M+ | SH |
| NORGES BANK | 737K | $1M+ | SH |
| Resona Asset Management Co.,Ltd. | 668K | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 652K | $1M+ | SH |
| RIVERBRIDGE PARTNERS LLC | 554K | $1M+ | SH |
| Point72 Asset Management, L.P. | 520K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 516K | $1M+ | SH |
| RAYMOND JAMES FINANCIAL INC | 387K | $1M+ | SH |
| ROFFMAN MILLER ASSOCIATES INC /PA/ | 296K | $1M+ | SH |
| FENIMORE ASSET MANAGEMENT INC | 267K | $1M+ | SH |
| EULAV Asset Management | 262K | $1M+ | SH |
| ENVESTNET ASSET MANAGEMENT INC | 261K | $1M+ | SH |
| Granite Investment Partners, LLC | 206K | $1M+ | SH |
| BARCLAYS PLC | 197K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Jan 9, 2026
5.1%
2.5M shares
SC 13G/A · Jan 10, 2025
5.9%
3.0M shares
Neuberger Berman Group LLC 61-1591182
SC 13G/A · Oct 3, 2024
4.7%
2.4M shares
The Vanguard Group - 23-1945930
SC 13G/A · Apr 10, 2024
10.5%
5.3M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
9.9%
5.0M shares
Kayne Anderson Rudnick Investment Management, LLC 95-4575414
SC 13G/A · Feb 13, 2024
9.2%
4.7M shares
Neuberger Berman Group LLC 61-1591182
SC 13G/A · Feb 12, 2024
5.2%
2.6M shares
SC 13G/A · Jan 23, 2024
12.0%
6.1M shares
Conestoga Capital Advisors, LLC 23-3072906
SC 13G/A · Jan 5, 2024
5.1%
2.6M shares
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 95-4575414
SC 13G/A · Feb 14, 2023
8.2%
4.2M shares
SC 13G/A · Feb 10, 2023
5.7%
2.9M shares
SC 13G/A · Jan 26, 2023
15.8%
8.0M shares
SC 13G/A · Jan 20, 2023
15.8%
8.0M shares
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 95-4575414
SC 13G · Feb 11, 2022
5.3%
2.7M shares
SC 13G/A · Feb 11, 2022
6.0%
3.1M shares
SC 13G/A · Jan 27, 2022
15.0%
7.8M shares
SC 13G/A · Jan 25, 2022
15.0%
7.8M shares