Highest-materiality recent filing
One Stop Systems VP of Sales Robert Kalebaugh retires, enters consulting agreement
Robert Kalebaugh retired as VP of Sales effective July 31, 2026.
OSS shareholders approve equity plan increase to 7M shares; all directors elected
Stockholders approved Amendment No. 4 to 2017 Equity Incentive Plan to increase authorized shares from 5M to 7M.
OSS Q1 revenue up 55% to $8.1M; net loss narrows to $0.4M; positive adjusted EBITDA
Revenue $8.1M (+55% YoY); gross margin 51.6% (up 610 bps); net loss $0.4M vs $2.3M a year ago.
One Stop Systems reports record Q4 2025, 31% annual revenue growth, guides 20-25% growth for 2026
Annual revenue from continuing ops $32.2M, up 31.2% YoY; gross margin 49.6% vs 29.5% two years ago.
One Stop Systems sells Bressner GmbH for $22.4M; updates FY2025 outlook
OSS sold Bressner Technology GmbH to Hiper Euro GmbH for $22.4M, closed Dec. 30, 2025.
OSS raises $12.5M in registered direct offering of 2.5M shares at $5.00 each
Gross proceeds of $12.5M from sale of 2,500,000 shares of common stock at $5.00/share.
All proposals pass at One Stop Systems annual meeting; director elections show notable opposition
Quorum of 65.44% (14,095,491 of 21,539,412 shares) at May 14, 2025 virtual meeting.
Chairman Kenneth Potashner will not stand for re-election to One Stop Systems board
Kenneth Potashner notified board May 7, 2025 of decision not to seek re-election at May 14 annual meeting.
Manko resigned effective April 16, 2025, citing disagreements with corporate governance and board composition.
Director Gioia Messinger resigns from One Stop Systems board, effective May 14, 2025
Messinger notified board April 12, 2025; will not stand for re-election at annual meeting.
One Stop Systems Q4 revenue up 15% YoY to $15.1M; net loss $3.1M; guides FY2025 revenue $59-61M
Q4 2024 revenue $15.1M (+15.1% YoY); OSS segment +10%, Bressner +19.9%.
One Stop Systems posts updated investor presentation; no material details disclosed
Updated investor presentation posted on Company website on January 14, 2025.
One Stop Systems Q3 net loss $6.8M; inventory charge $6.1M; CFO transition announced
Consolidated Q3 2024 revenue $13.7M, flat YoY; OSS segment revenue up 17.5% to $6.46M.
Amended bylaws require director with more 'against' than 'for' votes in uncontested election to promptly tender resignation.
One Stop Systems Q2 revenue $13.2M, net loss $2.3M; sees Q3 growth
Consolidated revenue $13.2M, down 23.3% YoY, impacted by former media customer and Europe softness.
Amendment to 2017 Equity Plan increases authorized shares from 3,000,000 to 5,000,000; effective May 15, 2024.
One Stop Systems Q1 revenue $12.7M (-24.6% YoY); net loss widens to $1.3M; guides Q2 rev ~$13M
Q1 revenue $12.7M, down 24.6% YoY; net loss $1.3M ($0.06) vs loss $0.4M ($0.02) YoY.
OSS CEO letter: 4% revenue growth excluding $13.7M legacy revenue; positive adjusted EBITDA in 2023
CEO Mike Knowles (appointed June 2023) highlights transition away from $13.7M low-margin legacy media revenue; ex that, revenue grew 4% YoY.
OSS Q4 revenue down 28% to $13.2M; net loss narrows to $278K; pipeline grows to $1B
Q4 revenue $13.2M (-27.9% YoY); net loss $278K vs $3.3M loss year ago; non-GAAP net income $177K.
One Stop Systems appoints Mitchell Herbets to board; board size to 9 then to 7 at 2024 meeting
Board size temporarily increased from 8 to 9; to be reduced to 7 at the 2024 annual meeting.
One Stop Systems Q3 revenue down 27% to $13.7M, net loss $3.6M; goodwill impairment $2.9M
Revenue $13.7M, down 26.9% YoY; net loss $3.6M ($0.18 EPS) vs net income $133K in prior year.
One Stop Systems reports Q2 net loss of $2.4M; revenue $17.2M, down 6% YoY; guidance Q3 $13.5M
GAAP net loss $2.4M ($0.12 per share) vs net income $323k in Q2 2022; non-GAAP net loss $84k.
One Stop Systems appoints Robert Kalebaugh as VP of Sales; grants 35,715 RSUs as inducement
Robert Kalebaugh named VP of Sales effective July 17, 2023, bringing 36+ years of defense and commercial experience.
David Raun stepped down as CEO and President on June 5, 2023; succeeded by Michael Knowles.
One Stop Systems appoints defense veteran Michael Knowles as CEO, effective June 5
Michael Knowles named President and CEO effective June 5, 2023; David Raun steps down same day.
OSS shareholders reject equity plan share increase; directors face high dissent
Plan Amendment to raise authorized shares from 3M to 4.5M failed: 5.2M for, 5.6M against, 2.5M broker non-votes.
OSS Q1 revenue $16.8M, net loss $401K, guides Q2 $17.5M
Revenue $16.8M, slightly above $16.6M guidance; net loss $401K ($0.02/sh) vs net income $579K ($0.03) YoY.
Record FY2022 revenue of $72.4M and adjusted EBITDA of $5.2M; 19 new significant wins (13 AI Transportable).
CEO David Raun to step down; amended employment agreement with retention bonus and RSU
CEO David Raun will step down upon appointment of successor; amended agreement effective April 3, 2023 to June 24, 2023.
OSS reports record FY22 revenue $72.4M (+17% YoY), Adj EBITDA $5.2M; guides Q1 rev ~$16.6M
GAAP net loss $2.2M ($0.11/share) includes $3.9M deferred tax asset write-down; non-GAAP net loss $175K.
CEO David Raun will step down when successor is appointed; no successor identified yet; search firm retained.
OSS Q3 revenue rises 18% to record $18.8M; net income falls to $133k from $981k
Q3 revenue record $18.8M (+18% YoY); gross margin 27.0% vs 34.5%, hurt by lower military mix.
OSS secures two autonomous truck program wins with Embark Trucks; shipping starts this quarter
Two new wins: Centauri rugged PCIe storage and next-gen 3U SDS-AT ruggedized compute server for Embark's autonomous trucks.
One Stop Systems reports record Q2 revenue $18.3M, up 23% YoY; guides Q3 ~$18.5M
Revenue record $18.3M, up 23% YoY; core OSS up 18%, Bressner up 31%.
One Stop Systems shareholders elect 7 directors, ratify auditor at 2022 annual meeting
Quorum of 10,872,733 shares (57.59%) represented at May 18, 2022 annual meeting.
OSS Q1 revenue up 28% to record $17.1M; GAAP net income $579K vs $41K YoY
Revenue $17.1M (+28% YoY); GAAP EPS $0.03 vs $0.00; Non-GAAP EPS $0.05 vs $0.03.
OSS reports record 2021 revenue of $62M, net income of $2.3M, adj. EBITDA triples to $4.9M
Full-year revenue up 19% to $62.0M; Q4 revenue $17.8M (+28% YoY); Q4 GAAP net loss $386k.
OSS Q3 Revenue $16.0M (+23% YoY); GAAP Net Income $0.05/sh; Guides Q4 $17.1M
Revenue $16.0M, up 23% YoY and 7% sequentially.
One Stop Systems Q2 revenue up 28% to $14.9M; GAAP EPS $0.09 vs $(0.00) YoY
Revenue $14.9M, up 12% sequentially and 28% YoY; gross margin 31.2% (up 2.6pp).
Mr. Kalebaugh notified the Company of his retirement from his position as VP of Sales of the Company effective as of July 31, 2026.
On May 7, 2025, Mr. Kenneth Potashner notified the Board of Directors (the “Board”) of One Stop Systems, Inc. (the “Company”) of his intent to not stand for re-election to the Board.
On April 16, 2025, Mr. Joseph Manko, Jr. notified the Board of Directors (the “Board”) of One Stop Systems, Inc. (the “Company”) of his resignation from the Board, effective immediately.
On April 12, 2025, Ms. Gioia Messinger notified the Board of Directors (the “Board”) of One Stop Systems, Inc. (the “Company”) of her intent to resign from the Board effective the date of the upcoming annual shareholder meeting on May 14, 2025; and confirming she intends to not stand for re-election.
On November 4, 2024, John Morrison notified the Company of his decision to resign from his role as Chief Financial Officer of the Company, effective November 11, 2024 (the "Effective Date").
Effective as of the Effective Date, Daniel Gabel has been appointed as the Company’s new Chief Financial Officer.
Additionally, on November 27, 2023, the Board appointed Mitchell Herbets as a director of the Company, to fill the newly created directorship.
the Board appointed Joseph Manko as a director of the Company, effective November 10, 2023
David Raun, the Company’s current Chief Executive Officer and President, will be stepping down, effective upon the appointment of his successor.
effective June 5, 2023 (the “Effective Date”), Mr. Knowles will begin serving as Chief Executive Officer and President of the Company.
the Company announced that David Raun, the Company’s Chief Executive Officer, will be stepping down, effective upon the appointment of his successor.
On February 9, 2023, One Stop Systems, Inc. (the “Company”) announced that David Raun, the Company’s Chief Executive Officer, will be stepping down, effective upon the appointment of his successor.
Max materiality 0.80 · Median 0.65 · Most common event earnings