SEC CIK 1804609

Grindstaff Glenn

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

Current Positions

CompanyShares OwnedAs Of
OSISview stock →10,1932026-08-24

Position History — OSIS

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

03,9677,93411,9012020-022021-082022-062023-072024-082025-082026-08

Recent Filings — OSIS

DateActivitySharesPriceOwned After
2026-08-24Tax withholding1,708$206.7310,193
2026-08-24Grant / award1,969$206.7311,901
2026-07-31Grant / award610$221.399,932
2026-06-30Grant / award17$185.909,322
2025-08-26Grant / award2,595$225.1911,518
2025-08-26Tax withholding2,213$225.199,305
2025-08-01Grant / award569$219.578,923
2025-05-08Open-market sale688$224.898,354
2024-08-30Tax withholding463$148.837,402
2024-08-30Tax withholding869$148.839,042
2024-08-30Grant / award2,509$148.839,911
2024-08-14Grant / award1,439$139.027,865
2024-06-24Tax withholding61$136.196,426
2023-09-13Open-market sale1,373$120.616,487
2023-09-05Tax withholding840$133.857,860
2023-09-05Grant / award2,425$0.008,700
2023-09-05Tax withholding632$133.856,275
2023-07-28Grant / award1,275$117.636,907
2023-06-26Tax withholding61$116.945,632
2022-11-07Open-market sale802$84.775,693
2022-08-24Grant / award1,518$0.007,039
2022-08-24Tax withholding544$89.146,495
2022-07-06Grant / award1,611$0.005,521
2022-06-30Grant / award19$72.623,910
2022-06-24Tax withholding63$84.393,891
2022-05-27Open-market sale47$83.183,954
2021-12-31Grant / award30$77.844,001
2021-09-08Open-market sale355$97.403,971
2021-08-24Grant / award898$0.004,633
2021-08-24Tax withholding307$98.334,326
2021-07-08Grant / award1,307$0.003,735
2021-06-30Grant / award17$77.842,428
2021-06-24Tax withholding71$97.722,411
2020-07-08Grant / award1,792$0.002,482
2020-06-24Grant / award690$0.00690
2020-02-25———0

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