| | NIA: SERVICE: NEUROPATHOLOGY CHARACTERIZATION FOR THE BRAIN ATLAS PROJECT FROM JUNE 01, 2026 TO MAY 31, 2027:SEVERABLE | HISTOSERV, INC | $215,567 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | Jun 3, 2026 | Jun 8, 2026 | Jun 7, 2027 |
| | SIGNATURES OF AGING OUTCOMES | HISTOSERV, INC | $29,290 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 541380Testing Laboratories and Services | Q301MEDICAL- LABORATORY TESTING | May 5, 2025 | May 5, 2025 | May 4, 2026 |
| | FY26 UDO INITIATIVE LABORATORY SERVICES - CHARACTERIZATION OF ARTERIAL PLAQUE BY HISTOLOGY | HISTOSERV, INC | $10,312 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 541380Testing Laboratories and Services | Q301MEDICAL- LABORATORY TESTING | Apr 30, 2025 | Apr 30, 2025 | Jul 30, 2025 |
| | HISTOLOGY PROCESSING SERVICES, BPA CALL | HISTOSERV, INC | $15,000 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | Apr 18, 2025 | Apr 18, 2025 | Oct 30, 2025 |
| | TISSUE PROCESSING - SLICING AND MOUNTING IN ORDER TO PERFORM MP-IHC | HISTOSERV, INC | $9,028 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | Feb 7, 2025 | Feb 10, 2025 | Feb 9, 2026 |
| | 25-000509 VARIETY OF HISTOLOGY AND SECTIONING SERVICES FOR ANALYSES (PERIOD OF PERFORMANCE OCT. 22, 2024 - DEC. 20, 2024 | HISTOSERV, INC | $14,000 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | Oct 22, 2024 | Oct 22, 2024 | Dec 20, 2024 |
| | HISTOLOGY SERVICE | HISTOSERV, INC | $19,996 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 561990All Other Support Services | Q301MEDICAL- LABORATORY TESTING | Jul 31, 2024 | Sep 1, 2024 | Aug 30, 2025 |
| | VARIETY OF HISTOLOGY SERVICES FOR ANALYSES OF SAMPLES AND SLIDES NOT TO EXCEED $25,000.00 | HISTOSERV, INC | $25,000 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | May 17, 2024 | May 17, 2024 | Sep 30, 2024 |
| | LABORATORY SERVICES | HISTOSERV, INC | $15,000 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | Apr 9, 2024 | Apr 10, 2024 | Apr 9, 2025 |
| | TESTING SERVICES NEEDED BY THE DEPARTMENT OF PERIOPERATIVE MEDICINE. | HISTOSERV, INC | $20,000 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | Oct 30, 2023 | Nov 1, 2023 | Sep 28, 2024 |
| | HISTOSERV INC IHC AND H&E STAINING-TRIMMING, DIGITAL OPTIMIZATION, SLIDE BOX | HISTOSERV, INC | $12,958 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 541380Testing Laboratories and Services | 6640LABORATORY EQUIPMENT AND SUPPLIES | Aug 22, 2023 | Aug 22, 2023 | Aug 21, 2024 |
| | SOFT TISSUE, H&E 1X3" SLIDE ONLY POP: 07/23/2023 - 07/22/2024 | HISTOSERV, INC | $19,999 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 541690Other Scientific and Technical Consulting Services | R408SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT | Jul 17, 2023 | Jul 23, 2023 | Jul 22, 2024 |
| | HISTOLOGY SERVICES (AMBIS #2179949) | HISTOSERV, INC | $14,996 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | Jul 5, 2023 | Jul 5, 2023 | Jan 1, 2024 |
| | TESTING SERVICES NEEDED BY THE CRITICAL CARE MEDICINE DEPARTMENT. | HISTOSERV, INC | $10,637 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | Mar 1, 2023 | Mar 1, 2023 | Apr 30, 2023 |
| | HISTOSERV INC:1108515 [23-000609] PHENOTYPING PROJECT | HISTOSERV, INC | $15,000 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | Nov 21, 2022 | Nov 21, 2022 | Sep 30, 2023 |
| | TUNNEL ASSAY USING TDT END LABELING WITH DIG; TRIMMING/CASSETTE PREPARATION; SLIDE-BOX-CAPACITY 100 | HISTOSERV, INC | $15,000 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 325414Biological Product (except Diagnostic) Manufacturing | 6505DRUGS AND BIOLOGICALS | Aug 29, 2022 | Aug 29, 2022 | Sep 30, 2022 |
| | IMMUNOSTAINING OF LARGE HUMAN BRAIN SECTIONS USING CONDITIONS DETERMINED BY THE MARIC PROTOCOL | HISTOSERV, INC | $84,650 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | May 2, 2022 | May 2, 2022 | May 1, 2023 |
| | 01-SOFT TISSUE, H&E 1X3" SLIDE, SCANNING, & 1 MONTH OF HISTOSERV DIGITAL, | HISTOSERV, INC | $10,915 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | 6640LABORATORY EQUIPMENT AND SUPPLIES | Jan 10, 2022 | Jan 10, 2022 | Jan 28, 2022 |
| | EO14042 PHENOTYPIC CHARACTERIZATION, H&E SLIDES, SPECIALTY SLIDES UPON REQUEST | HISTOSERV, INC | $15,000 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | Dec 17, 2021 | Dec 17, 2021 | Dec 16, 2022 |
| | HISTOCHEMICAL SERVICE SHISTOSERV INC:1108515 [21-013307] | HISTOSERV, INC | $15,445 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | 6640LABORATORY EQUIPMENT AND SUPPLIES | Jul 29, 2021 | Jul 29, 2021 | Sep 2, 2022 |
| | NICHD - LAB WORK/TISSUE EMBEDDING | HISTOSERV, INC | $24,769 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 541380Testing Laboratories and Services | Q301MEDICAL- LABORATORY TESTING | Jun 29, 2021 | Jun 29, 2021 | Jul 14, 2021 |
| | H&E, OTHER STAINS ON MATERIAL SUBMITTED -- HISTOLOGIC PHENOTYPING HISTOSERV [21-002492] | HISTOSERV, INC | $0 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | May 25, 2021 | May 25, 2021 | May 24, 2022 |
| | SCIENTIFIC SURGICAL SUPPLIES | HISTOSERV, INC | $20,000 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | 6640LABORATORY EQUIPMENT AND SUPPLIES | Jan 25, 2021 | Jan 25, 2021 | Feb 24, 2021 |
| | HISTOSERV INC:1108515 [21-000375] PHENOTYPING | HISTOSERV, INC | $25,000 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | Nov 3, 2020 | Nov 3, 2020 | Sep 30, 2021 |
| | HISTOLOGY SERVICES FOR SENESCENCE | HISTOSERV, INC | $0 | NATIONAL INSTITUTES OF HEALTH | NATIONAL INSTITUTES OF HEALTH | — | 621511Medical Laboratories | Q301MEDICAL- LABORATORY TESTING | Sep 15, 2020 | Sep 15, 2020 | Dec 20, 2024 |