SEC CIK 1656313

Berwick Donald M

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
NRCview stock →7,6972026-06-23

Position History — NRC

Reported shares owned immediately after each Form 4 transaction, over time.

015,48030,96046,4402018-042018-052018-092018-092018-092019-082019-092026-06

Recent Filings — NRC

DateActivitySharesPriceOwned After
2026-06-23Grant / award7,697$0.007,697
2025-10-17Grant / award (derivative)22,625$0.0022,625
2025-05-07Grant / award (derivative)34,917$0.0034,917
2024-05-08Grant / award (derivative)10,906$0.0010,906
2023-05-11Grant / award (derivative)7,386$0.007,386
2022-05-18Grant / award (derivative)12,078$0.0012,078
2021-06-29Grant / award (derivative)7,289$0.007,289
2020-05-18Grant / award (derivative)7,179$0.007,179
2019-09-17Open-market sale6,992$61.990
2019-09-16Open-market sale6,989$62.046,992
2019-09-13Open-market sale2,924$61.9913,981
2019-09-12Open-market sale1,120$61.9916,905
2019-09-06Open-market sale9,035$63.0118,025
2019-08-30Option exercise (derivative)36,000$0.000
2019-08-30Tax withholding19,380$64.0327,060
2019-08-30Option exercise36,000$24.3536,000
2019-08-30Option exercise10,440$34.9046,440
2019-05-29Grant / award (derivative)6,821$0.006,821
2018-09-21Open-market sale229$38.200
2018-09-17Open-market sale4,078$39.77229
2018-09-14Open-market sale4,759$38.739,166
2018-09-13Open-market sale2,600$38.769,166
2018-09-13Open-market sale100$39.389,066
2018-09-12Open-market sale2,100$38.1811,766
2018-09-11Open-market sale3,000$37.9513,866
2018-09-10Open-market sale100$38.9516,866
2018-09-06Open-market sale400$38.9516,966
2018-09-05Open-market sale3,262$39.0217,366
2018-09-04Open-market sale2,001$39.0320,628
2018-08-28Open-market sale600$39.4222,629
2018-08-23Option exercise (derivative)36,000$0.000
2018-08-23Tax withholding12,771$40.0023,229
2018-08-23Option exercise36,000$14.1936,000
2018-05-30Grant / award (derivative)10,440$0.0010,440
2018-05-21Open-market sale14,009$34.500
2018-05-18Open-market sale11,300$34.6014,009
2018-05-16Option exercise (derivative)36,000$0.000
2018-05-16Option exercise36,000$15.1941,090
2018-05-16Tax withholding15,781$34.6525,309
2018-04-17Disposition to issuer (derivative)6,000—0
2018-04-17Grant / award5,090—5,090
2017-05-09Grant / award (derivative)36,000$0.0036,000
2017-05-09Grant / award (derivative)6,000$0.006,000
2016-05-11Grant / award (derivative)36,000$0.0036,000
2016-05-11Grant / award (derivative)6,000$0.006,000
2015-10-21Grant / award (derivative)36,000$0.0036,000
2015-10-21Grant / award (derivative)6,000$0.006,000

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.