InsiderTrades

KNOWLES MICHAEL

SEC CIK 1755059 · EDGAR

Buying vs selling by month open-market trades, last 38 months, OSS
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
OSSONE STOP SYSTEMS, INC.CEO, Dir 590.1K $2,034 — 132020-12-052026-08-07

Most active insiders at OSS, 12 months

#InsiderTitleBoughtSold
1 BASSETT DAVID GEORGEDir —$141.1K
2 Matz Gregory WDir —$140.2K
3 Herbets Mitchell HDir —$88.1K
4 Gabel Daniel G.CFO ——
5 Dumont Michael J.Dir ——
6 KNOWLES MICHAELCEO, Dir ——
7 Ison JamesCPO ——

Transactions 13

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
M 2026-09-04 12:33 2026-08-07+ OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO, Dir F - Tax $13.46 -17.2K 590.1K -3% -$232.2K
2026-06-12 17:21 2026-06-05 OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO, Dir F - Tax $16.89 -19.7K 607.4K -3% -$332.3K
A 2026-03-27 2025-05-21 OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO, Dir A - Grant — 0 591.7K New —
M 2026-03-02 2026-02-07+ OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO, Dir F - Tax $9.06 -19.9K 654.7K -3% -$180.7K
2026-02-11 2026-02-07 OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO, Dir A - Grant $0.00 +101.9K 668.0K +18% $0
2026-01-07 2025-12-31 OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO, Dir F - Tax $7.18 -19.1K 566.1K -3% -$137.0K
M 2025-09-02 2025-02-07+ OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO, Dir A - Grant $3.50 +152.4K 612.7K +33% +$533.7K
M 2025-09-02 2025-02-20+ OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO, Dir F - Tax $3.74 -44.2K 593.6K -7% -$165.5K
2024-12-30 2020-12-05 OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO, Dir F - Tax $2.41 -17.5K 477.5K -4% -$42.2K
2024-07-03 2024-07-01 OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO, Dir A - Grant $0.00 +131.4K 494.5K +36% $0
2024-06-18 2024-06-17 OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO, Dir F - Tax $2.18 -38.0K 363.1K -9% -$82.9K
2023-08-18 2023-08-16 OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO P - Purchase $1.80 +1,130 401.1K +0.3% +$2,034
D 2023-06-06 2023-06-05 OSS ONE STOP SYSTEMS, INC. KNOWLES MICHAEL CEO A - Grant $0.00 +400.0K 400.0K New $0

Purchase Sale Sale after option exercise All abbreviations