SEC CIK 1643734

Shaff Eric D.

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

Current Positions

CompanyShares OwnedAs Of
MCRBview stock →12,4992026-08-17

Position History — MCRB

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

068,255136,510204,7652016-032016-062019-012024-052025-022025-112026-08

Recent Filings — MCRB

DateActivitySharesPriceOwned After
2026-08-17Open-market sale263$4.5512,499
2026-08-15Option exercise (derivative)332$0.001,993
2026-08-15Option exercise (derivative)390$0.00783
2026-08-15Option exercise722—12,762
2026-07-08Grant / award (derivative)6,500$0.006,500
2026-05-18Open-market sale259$7.5312,040
2026-05-15Option exercise (derivative)331$0.002,325
2026-05-15Option exercise (derivative)391$0.001,173
2026-05-15Option exercise722—12,299
2026-02-15Option exercise (derivative)333$0.002,656
2026-02-15Option exercise (derivative)391$0.001,564
2026-02-15Open-market sale259$8.4711,577
2026-02-15Option exercise723—11,836
2025-11-15Option exercise (derivative)331$0.002,989
2025-11-15Option exercise (derivative)390$0.001,954
2025-11-15Open-market sale217$17.3011,113
2025-11-15Option exercise331—11,330
2025-11-15Option exercise390—10,999
2025-08-18Open-market sale217$16.6510,609
2025-08-15Option exercise (derivative)333$0.003,320
2025-08-15Option exercise (derivative)391$0.002,344
2025-08-15Option exercise333—10,826
2025-08-15Option exercise391—10,493
2025-05-16Open-market sale220$7.2810,102
2025-05-15Option exercise (derivative)390$0.002,735
2025-05-15Option exercise (derivative)331$0.003,653
2025-05-15Option exercise331—10,322
2025-05-15Option exercise390—9,991
2025-02-18Open-market sale12,726$0.81192,039
2025-02-15Option exercise (derivative)26,563$0.0079,687
2025-02-15Option exercise (derivative)7,813$0.0062,500
2025-02-15Option exercise26,563—204,765
2025-02-15Option exercise7,813—178,202
2025-02-07Grant / award (derivative)1,950,000$0.001,950,000
2024-11-18Open-market sale2,505$0.54170,389
2024-11-15Option exercise (derivative)7,812$0.0070,313
2024-11-15Option exercise7,812—172,894
2024-10-28Open-market sale8,748$0.69165,082
2024-10-27Option exercise (derivative)27,837$0.000
2024-10-27Option exercise27,837$0.00173,830
2024-08-16Open-market sale2,518$0.84145,993
2024-08-15Option exercise (derivative)7,813$0.0078,125
2024-08-15Option exercise7,813—148,511
2024-05-15Option exercise (derivative)7,812$0.0085,938
2024-05-15Open-market sale2,435$0.94140,698
2024-05-15Option exercise7,812—143,133
2024-02-16Open-market sale11,549$1.08135,321
2024-02-15Option exercise (derivative)31,250$0.0093,750
2024-02-15Option exercise31,250—146,870
2024-02-14Grant / award (derivative)106,250$0.00106,250
2024-02-14Grant / award (derivative)637,500$0.00637,500
2024-02-14Grant / award (derivative)822,580$0.00822,580
2023-10-30Open-market sale8,552$1.35115,620
2023-10-27Option exercise (derivative)27,838$0.0027,837
2023-10-27Option exercise27,838$0.00124,172
2023-04-27Grant / award (derivative)55,675$0.0055,675
2023-02-03Grant / award (derivative)250,000$0.00250,000
2023-02-03Grant / award (derivative)125,000$0.00125,000
2022-07-05Grant / award63,492$3.1596,334
2022-02-04Grant / award (derivative)500,000$0.00500,000
2021-02-04Grant / award (derivative)350,000$0.00350,000
2020-01-29Grant / award (derivative)1,000,000$0.001,000,000
2020-01-26Option exercise (derivative)20,000$0.000
2020-01-26Option exercise20,000—32,842
2019-01-28Open-market sale4,378$5.7512,842
2019-01-26Option exercise (derivative)12,000$0.0020,000
2019-01-26Option exercise12,000—17,220
2019-01-25Grant / award (derivative)275,000$0.00275,000
2018-01-30Grant / award (derivative)120,000$0.00120,000
2018-01-26Option exercise (derivative)8,000$0.0032,000
2018-01-26Open-market sale2,780$11.025,220
2018-01-26Option exercise8,000—8,000
2017-01-26Grant / award (derivative)40,000$0.0040,000
2017-01-26Grant / award (derivative)105,000$0.00105,000
2016-06-30Option exercise (derivative)4,533$0.00233,454
2016-06-30Option exercise4,533$7.794,533
2016-06-30Open-market sale4,533$29.540
2016-06-28Option exercise (derivative)1,667$0.00237,987
2016-06-28Open-market sale1,667$28.850
2016-06-28Option exercise1,667$7.791,667
2016-06-27Option exercise (derivative)3,334$0.00239,654
2016-06-27Option exercise3,334$7.793,334
2016-06-27Open-market sale3,334$28.000
2016-04-04Option exercise (derivative)6,568$0.00242,988
2016-04-04Open-market sale6,568$28.850
2016-04-04Option exercise6,568$7.796,568
2016-03-31Option exercise (derivative)7,663$0.00249,556
2016-03-31Open-market sale1,095$25.136,568
2016-03-31Option exercise7,663$7.797,663
2016-03-31Open-market sale6,568$26.500
2016-03-28Option exercise (derivative)5,473$0.00257,219
2016-03-28Option exercise5,473$7.795,473
2016-03-28Open-market sale5,473$24.070
2016-02-01Grant / award (derivative)78,500$0.0078,500
2015-06-25Grant / award (derivative)100,000$0.00100,000

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