SIC: 8731 - SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH
State location: VA | State of Inc.: DE | Fiscal Year End: 1231
(CF Office: 08 Industrial Applications and Services)
Get insider transactions for this issuer.
| Filings | Format | Description | Filing Date | File/Film Number |
|---|---|---|---|---|
| 15-12G | Documents | Securities registration termination [Section 12(g)] Acc-no: 0001239819-25-000024 (34 Act) Size: 19 KB |
2025-02-28 | 000-52008 25690557 |
| 8-K | Documents Interactive Data | Current report, items 4.01 and 9.01
Acc-no: 0001239819-25-000020 (34 Act) Size: 351 KB |
2025-02-21 | 000-52008 25653358 |
| 25 | Documents | Notification of the removal from listing and registration of matured, redeemed or retired securities Acc-no: 0001239819-25-000016 (34 Act) Size: 44 KB |
2025-02-18 | 000-52008 25632888 |
| 8-K | Documents Interactive Data | Current report, items 2.02, 3.01, and 9.01
Acc-no: 0001239819-25-000011 (34 Act) Size: 203 KB |
2025-01-27 | 000-52008 25556178 |
| SCHEDULE 13G | Documents | Statement of Beneficial Ownership by Certain Investors Acc-no: 0000950170-25-005223 (34 Act) Size: 40 KB |
2025-01-14 | 005-82335 25528807 |
| 8-K | Documents Interactive Data | Current report, items 3.01, 7.01, and 9.01
Acc-no: 0001239819-25-000008 (34 Act) Size: 621 KB |
2025-01-06 | 000-52008 25509148 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-25-000005 Size: 20 KB |
2025-01-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-25-000004 Size: 20 KB |
2025-01-03 | |
| 8-K | Documents Interactive Data | Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001239819-24-000131 (34 Act) Size: 503 KB |
2024-12-27 | 000-52008 241586103 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000129 Size: 6 KB |
2024-12-26 | |
| NT 10-Q | Documents | Notification of inability to timely file Form 10-Q or 10-QSB Acc-no: 0001239819-24-000127 (34 Act) Size: 61 KB |
2024-11-15 | 000-52008 241468656 |
| 8-K | Documents Interactive Data | Current report, items 3.01, 7.01, and 9.01
Acc-no: 0001239819-24-000126 (34 Act) Size: 198 KB |
2024-11-15 | 000-52008 241468649 |
| SC 13G | Documents | Statement of Beneficial Ownership by Certain Investors Acc-no: 0001193125-24-258276 (34 Act) Size: 53 KB |
2024-11-14 | 005-82335 241459441 |
| SC 13G | Documents | Statement of Beneficial Ownership by Certain Investors Acc-no: 0000814133-24-000094 (34 Act) Size: 4 KB |
2024-11-13 | 005-82335 241457424 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000932471-24-001092 (34 Act) Size: 6 KB |
2024-11-12 | 005-82335 241447801 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000932471-24-000610 (34 Act) Size: 5 KB |
2024-11-04 | 005-82335 241423021 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000932471-24-000641 (34 Act) Size: 5 KB |
2024-11-04 | 005-82335 241422317 |
| SC 13D/A | Documents | [Amend] General Statement of Acquisition of Beneficial Ownership Acc-no: 0000902664-24-006041 (34 Act) Size: 153 KB |
2024-10-29 | 005-82335 241405806 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0000902664-24-006039 Size: 10 KB |
2024-10-29 | |
| 8-K | Documents Interactive Data | Current report, items 1.01, 2.03, 3.02, and 9.01
Acc-no: 0001239819-24-000123 (34 Act) Size: 23 MB |
2024-10-29 | 000-52008 241402866 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000120 Size: 5 KB |
2024-10-21 | |
| 3 | Documents | Initial statement of beneficial ownership of securities Acc-no: 0001239819-24-000119 Size: 387 KB |
2024-10-21 | |
| 8-K | Documents Interactive Data | Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001239819-24-000116 (34 Act) Size: 877 KB |
2024-10-16 | 000-52008 241375043 |
| SC 13G | Documents | Statement of Beneficial Ownership by Certain Investors Acc-no: 0000906304-24-000111 (34 Act) Size: 11 KB |
2024-10-15 | 005-82335 241371460 |
| 8-K | Documents Interactive Data | Current report, items 3.01, 7.01, and 9.01
Acc-no: 0001239819-24-000113 (34 Act) Size: 211 KB |
2024-10-07 | 000-52008 241358246 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000110 Size: 11 KB |
2024-10-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000109 Size: 11 KB |
2024-10-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000108 Size: 11 KB |
2024-10-03 | |
| 8-K | Documents Interactive Data | Current report, items 3.01, 7.01, and 9.01
Acc-no: 0001239819-24-000099 (34 Act) Size: 256 KB |
2024-08-26 | 000-52008 241242253 |
| 3 | Documents | Initial statement of beneficial ownership of securities Acc-no: 0001239819-24-000096 Size: 4 KB |
2024-08-12 | |
| NT 10-Q | Documents | Notification of inability to timely file Form 10-Q or 10-QSB Acc-no: 0001239819-24-000093 (34 Act) Size: 62 KB |
2024-08-12 | 000-52008 241197706 |
| SC 13D/A | Documents | [Amend] General Statement of Acquisition of Beneficial Ownership Acc-no: 0000902664-24-004827 (34 Act) Size: 138 KB |
2024-07-23 | 005-82335 241135575 |
| 8-K | Documents Interactive Data | Current report, items 1.01, 2.03, 5.02, and 9.01
Acc-no: 0001239819-24-000090 (34 Act) Size: 21 MB |
2024-07-23 | 000-52008 241135494 |
| 8-K | Documents Interactive Data | Current report, items 5.02 and 9.01
Acc-no: 0001239819-24-000087 (34 Act) Size: 155 KB |
2024-07-18 | 000-52008 241125451 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0001086364-24-008207 (34 Act) Size: 12 KB |
2024-07-08 | 005-82335 241105226 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000085 Size: 14 KB |
2024-07-01 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000084 Size: 14 KB |
2024-07-01 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000083 Size: 14 KB |
2024-07-01 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000082 Size: 6 KB |
2024-07-01 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000081 Size: 6 KB |
2024-07-01 | |
| 8-K | Documents Interactive Data | Current report, item 8.01
Acc-no: 0001239819-24-000072 (34 Act) Size: 152 KB |
2024-06-17 | 000-52008 241049049 |
| SD | Documents | Specialized disclosure report Acc-no: 0001239819-24-000070 (34 Act) Size: 38 KB |
2024-05-30 | 000-52008 241004787 |
| 8-K | Documents Interactive Data | Current report, items 3.01, 7.01, and 9.01
Acc-no: 0001239819-24-000068 (34 Act) Size: 269 KB |
2024-05-22 | 000-52008 24971011 |
| 3 | Documents | Initial statement of beneficial ownership of securities Acc-no: 0001239819-24-000063 Size: 3 KB |
2024-05-13 | |
| NT 10-Q | Documents | Notification of inability to timely file Form 10-Q or 10-QSB Acc-no: 0001239819-24-000060 (34 Act) Size: 66 KB |
2024-05-13 | 000-52008 24940298 |
| 8-K | Documents Interactive Data | Current report, items 5.02, 7.01, 8.01, and 9.01
Acc-no: 0001239819-24-000058 (34 Act) Size: 647 KB |
2024-05-01 | 000-52008 24903998 |
| 8-K | Documents Interactive Data | Current report, items 4.02, 7.01, and 9.01
Acc-no: 0001239819-24-000054 (34 Act) Size: 287 KB |
2024-04-19 | 000-52008 24855693 |
| 8-K | Documents Interactive Data | Current report, items 3.01, 7.01, and 9.01
Acc-no: 0001239819-24-000051 (34 Act) Size: 269 KB |
2024-04-08 | 000-52008 24828318 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000048 Size: 403 KB |
2024-04-05 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000046 Size: 415 KB |
2024-04-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000045 Size: 414 KB |
2024-04-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000044 Size: 412 KB |
2024-04-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000037 Size: 7 KB |
2024-03-26 | |
| 8-K | Documents Interactive Data | Current report, items 5.02, 7.01, 8.01, and 9.01
Acc-no: 0001239819-24-000035 (34 Act) Size: 502 KB |
2024-03-25 | 000-52008 24780145 |
| 8-K | Documents Interactive Data | Current report, item 4.02
Acc-no: 0001239819-24-000031 (34 Act) Size: 159 KB |
2024-03-12 | 000-52008 24742434 |
| NT 10-K | Documents | Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405 Acc-no: 0001239819-24-000030 (34 Act) Size: 52 KB |
2024-03-12 | 000-52008 24742414 |
| SC 13G | Documents | Statement of Beneficial Ownership by Certain Investors Acc-no: 0001104659-24-021381 (34 Act) Size: 13 KB |
2024-02-13 | 005-82335 24628913 |
| D | Documents | Notice of Exempt Offering of Securities, item 06b
Acc-no: 0001231919-24-000013 (33 Act) Size: 16 KB |
2024-02-08 | 021-504681 24606266 |
| SC 13G/A | Documents | [Amend] Statement of Beneficial Ownership by Certain Investors Acc-no: 0000906304-24-000056 (34 Act) Size: 11 KB |
2024-01-30 | 005-82335 24578865 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000027 Size: 5 KB |
2024-01-29 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000026 Size: 4 KB |
2024-01-29 | |
| SC 13G | Documents | Statement of Beneficial Ownership by Certain Investors Acc-no: 0001086364-24-004883 (34 Act) Size: 13 KB |
2024-01-26 | 005-82335 24569247 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000023 Size: 5 KB |
2024-01-24 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000022 Size: 5 KB |
2024-01-24 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000021 Size: 6 KB |
2024-01-24 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000017 Size: 5 KB |
2024-01-18 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000015 Size: 4 KB |
2024-01-18 | |
| S-8 | Documents | Securities to be offered to employees in employee benefit plans Acc-no: 0001193125-24-005385 (33 Act) Size: 87 KB |
2024-01-10 | 333-276449 24524634 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000012 Size: 4 KB |
2024-01-08 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000011 Size: 5 KB |
2024-01-08 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000008 Size: 13 KB |
2024-01-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000007 Size: 13 KB |
2024-01-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000006 Size: 15 KB |
2024-01-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-24-000005 Size: 13 KB |
2024-01-03 | |
| SC 13D | Documents | General Statement of Acquisition of Beneficial Ownership Acc-no: 0000902664-23-006050 (34 Act) Size: 196 KB |
2023-12-27 | 005-82335 231518586 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000140 Size: 4 KB |
2023-12-27 | |
| 8-K | Documents Interactive Data | Current report, items 1.01, 2.01, 3.02, 3.03, 5.02, 5.03, 7.01, and 9.01
Acc-no: 0001239819-23-000139 (34 Act) Size: 85 MB |
2023-12-27 | 000-52008 231518349 |
| 3 | Documents | Initial statement of beneficial ownership of securities Acc-no: 0000902664-23-006015 Size: 7 KB |
2023-12-22 | |
| 10-Q | Documents Interactive Data | Quarterly report [Sections 13 or 15(d)] Acc-no: 0001239819-23-000131 (34 Act) Size: 5 MB |
2023-11-14 | 000-52008 231401724 |
| 8-K | Documents Interactive Data | Current report, items 2.02 and 9.01
Acc-no: 0001239819-23-000127 (34 Act) Size: 2 MB |
2023-11-14 | 000-52008 231401589 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000122 Size: 4 KB |
2023-10-17 | |
| 3 | Documents | Initial statement of beneficial ownership of securities Acc-no: 0001239819-23-000121 Size: 393 KB |
2023-10-17 | |
| 8-K | Documents Interactive Data | Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001239819-23-000118 (34 Act) Size: 909 KB |
2023-10-17 | 000-52008 231328506 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000113 Size: 13 KB |
2023-10-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000112 Size: 11 KB |
2023-10-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000111 Size: 15 KB |
2023-10-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000110 Size: 13 KB |
2023-10-03 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000109 Size: 13 KB |
2023-10-03 | |
| 10-Q | Documents Interactive Data | Quarterly report [Sections 13 or 15(d)] Acc-no: 0001239819-23-000103 (34 Act) Size: 5 MB |
2023-08-10 | 000-52008 231160232 |
| 8-K | Documents Interactive Data | Current report, items 2.02 and 9.01
Acc-no: 0001239819-23-000101 (34 Act) Size: 2 MB |
2023-08-10 | 000-52008 231159400 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000097 Size: 13 KB |
2023-07-05 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000096 Size: 11 KB |
2023-07-05 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000095 Size: 15 KB |
2023-07-05 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000094 Size: 13 KB |
2023-07-05 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000093 Size: 13 KB |
2023-07-05 | |
| SD | Documents | Specialized disclosure report Acc-no: 0001239819-23-000087 (34 Act) Size: 38 KB |
2023-05-31 | 000-52008 23980834 |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000085 Size: 7 KB |
2023-05-26 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000084 Size: 6 KB |
2023-05-26 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000083 Size: 6 KB |
2023-05-26 | |
| 4 | Documents | Statement of changes in beneficial ownership of securities Acc-no: 0001239819-23-000082 Size: 6 KB |
2023-05-26 |