Charles River Laboratories International, Inc. (CRL) has 20 known insider and institutional holders on record. The largest holder is FOSTER JAMES C with 279,693 shares. Other notable holders include JOHST DAVID P and Girshick Birgit.
Over the last 12 months, insiders have made 70 transactions in CRL stock — 20 buys (valued at $13.25M) and 6 sells (valued at $328.64K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
CRL Insider Ownership
Top Holder
FOSTER JAMES C
279,693 shares
Buys (12 mo)
20
$13.25M value
Sells (12 mo)
6
$328.64K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Foster James C |
Chairman, President and CEO |
279,693 |
2026-03-04 |
|
| 2 |
Johst David P |
Corporate Executive VP |
224,478 |
2020-06-02 |
|
| 3 |
Girshick Birgit |
Corporate Executive VP & COO |
40,417 |
2026-03-05 |
|
| 4 |
Chubb Stephen D |
Director |
39,382 |
2020-08-19 |
|
| 5 |
Laplume Joseph W |
EVP, Corp Strategy & Develop |
27,448 |
2026-03-04 |
|
| 6 |
Creamer Victoria L |
EVP & Chief People Officer |
26,072 |
2026-02-03 |
|
| 7 |
Smith David Ross |
Corporate Executive VP & CFO |
25,819 |
2022-03-02 |
|
| 8 |
Barbo William D |
Corporate Executive VP & Cco |
23,337 |
2024-11-08 |
|
| 9 |
Wallman Richard F |
Director |
19,007 |
2024-11-12 |
|
| 10 |
Pease Flavia |
Corporate Executive VP & CFO |
17,482 |
2025-06-03 |
|
| 11 |
Parisotto Shannon M |
Cevp, Disc & Safety Assessment |
15,184 |
2026-02-02 |
|
| 12 |
Knell Michael Gunnar |
Csvp, CAO, Interim CFO |
14,602 |
2026-02-02 |
|
| 13 |
Mintz Mark |
EVP, Chief Information Officer |
7,492 |
2026-02-02 |
|
| 14 |
Massaro George |
Director |
5,575 |
2025-05-16 |
|
| 15 |
Wilson Virginia M |
Director |
2,076 |
2025-05-23 |
|
| 16 |
Llado George Sr. |
Director |
2,076 |
2025-05-23 |
|
| 17 |
Andrews Nancy C |
Director |
2,076 |
2025-05-23 |
|
| 18 |
Mackay Martin |
Director |
2,076 |
2025-05-23 |
|
| 19 |
Thompson Craig B. |
Director |
2,076 |
2025-05-23 |
|
| 20 |
Kemps-polanco Reshema |
Director |
1,960 |
2025-05-23 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-04 |
Girshick Birgit |
Corporate Executive VP & COO |
Gift (Given) |
328 |
- |
- |
| 2026-03-03 |
Laplume Joseph W |
EVP, Corp Strategy & Develop |
Informative Buy |
25 |
$174.54 |
$4.36K |
| 2026-03-02 |
Foster James C |
Chairman, President and CEO |
RSU Award |
16,796 |
$178.61 |
$3M |
| 2026-01-30 |
Laplume Joseph W |
EVP, Corp Strategy & Develop |
Tax Withholding of RSU |
1,749 |
$211.68 |
$370.23K |
| 2026-01-30 |
Creamer Victoria L |
EVP & Chief People Officer |
Tax Withholding of RSU |
1,296 |
$211.68 |
$274.34K |
| 2026-01-30 |
Mintz Mark |
EVP, Chief Information Officer |
Tax Withholding of RSU |
655 |
$211.68 |
$138.65K |
| 2026-01-30 |
Parisotto Shannon M |
Cevp, Disc & Safety Assessment |
Tax Withholding of RSU |
1,067 |
$211.68 |
$225.86K |
| 2026-01-30 |
Girshick Birgit |
Corporate Executive VP & COO |
Tax Withholding of RSU |
3,061 |
$211.68 |
$647.95K |
| 2026-01-30 |
Knell Michael Gunnar |
Csvp, CAO, Interim CFO |
Tax Withholding of RSU |
526 |
$211.68 |
$111.34K |
| 2026-01-30 |
Foster James C |
Chairman, President and CEO |
Tax Withholding of RSU |
14,664 |
$211.68 |
$3.1M |
| 2025-08-22 |
Laplume Joseph W |
EVP, Corp Strategy & Develop |
Informative Sell |
400 |
$163.72 |
$65.49K |
| 2025-11-06 |
Knell Michael Gunnar |
Csvp, CAO, Interim CFO |
RSU Award |
2,926 |
$170.88 |
$499.99K |
| 2025-08-18 |
Laplume Joseph W |
EVP, Corp Strategy & Develop |
Informative Sell |
800 |
$157.60 |
$126.08K |
| 2025-08-07 |
Laplume Joseph W |
EVP, Corp Strategy & Develop |
Informative Sell |
400 |
$150.04 |
$60.02K |
| 2025-06-01 |
Mintz Mark |
EVP, Chief Information Officer |
Unknown |
- |
- |
- |
| 2025-05-31 |
Mintz Mark |
EVP, Chief Information Officer |
Unknown |
1,635 |
$208.44 |
$340.8K |
| 2024-05-26 |
Mintz Mark |
EVP, Chief Information Officer |
Unknown |
1,730 |
$194.12 |
$335.83K |
| 2023-05-27 |
Mintz Mark |
EVP, Chief Information Officer |
Unknown |
1,437 |
$244.41 |
$351.22K |
| 2022-05-28 |
Mintz Mark |
EVP, Chief Information Officer |
Unknown |
1,098 |
$337.99 |
$371.11K |
| 2022-03-01 |
Mintz Mark |
EVP, Chief Information Officer |
Unknown |
3,219 |
$289.61 |
$932.25K |
| 2025-06-05 |
Laplume Joseph W |
EVP, Corp Strategy & Develop |
Gift (Given) |
385 |
- |
- |
| 2025-06-02 |
Barg Steven |
Director |
RSU Award |
481 |
$135.04 |
$64.95K |
| 2025-06-02 |
Ceesay Abraham |
Director |
RSU Award |
946 |
$135.04 |
$127.75K |
| 2025-06-02 |
Enyedy Mark J |
Director |
RSU Award |
946 |
$135.04 |
$127.75K |
| 2025-06-02 |
Graves Paul W |
Director |
RSU Award |
946 |
$135.04 |
$127.75K |
