Logo image of OS

ONESTREAM INC (OS) Stock Ownership and Short Interest

USA - Nasdaq - NASDAQ:OS - US68278B1070 - Common Stock

18.36 USD
-0.37 (-1.98%)
Last: 12/5/2025, 8:00:02 PM
18.3 USD
-0.06 (-0.33%)
After Hours: 12/5/2025, 8:00:02 PM
OS Ownership Chart.OS Ownership Chart: showing Insider, Institutional ownership and shares available to the public.OS Ownership.InsiderInstitutional



Shares Outstanding243.81M
Float88.78M
Float Short Interest Percentage5.93%
Owners (insider)1.43%
Owners (institutional)99.21%
Owners (insider) change0.47%
Owners (institutional) change-0.94%
OS Institutional Ownership HistoryOS Institutional Ownership HistoryOS Institutional Ownership History Sep 2024 Dec 2024 Mar 2025 Jun 2025 Sep 2025 20M 40M 60M 80M 100M
OS Historical Insider Transactions ChartOS Historical Insider Buy and Sell Transactions ChartOS Historical Insider Transactions Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 0 200K -200K 400K 600K 800K 1M
Date Name Type Shares Price Amount
Dec 2, 2025 Kinzer John Grant 94607 0.00 $ 0.00
Dec 2, 2025 MARINER JONATHAN D Open Market Sale 18423 20.90 $ 385,040.70
Nov 17, 2025 Hohenstein Ken Option Excercise 40000 10.65 $ 426,000.00
Nov 17, 2025 Hohenstein Ken Open Market Sale 40000 20.94 $ 837,600.00
Oct 16, 2025 Hohenstein Ken Option Excercise 40000 10.65 $ 426,000.00
Oct 16, 2025 Hohenstein Ken Open Market Sale 40000 16.85 $ 673,967.50
Oct 3, 2025 Sridharan Baskar Grant 21609 0.00 $ 0.00
Sep 19, 2025 Kinzer John Open Market Sale 30000 20.00 $ 600,000.00
Sep 18, 2025 Kinzer John Other Aquisition 30000 $ 0.00
Sep 16, 2025 Hohenstein Ken Option Excercise 40000 10.65 $ 426,000.00
Sep 16, 2025 Hohenstein Ken Open Market Sale 40000 18.69 $ 747,600.00
Sep 15, 2025 Koefoed William A Open Market Sale 8943 19.03 $ 170,185.29
Sep 10, 2025 Shea Thomas Anthony Option Excercise 13805 19.79 $ 273,200.95
Sep 10, 2025 Hohenstein Ken Option Excercise 6101 19.79 $ 120,738.79
Sep 10, 2025 Koefoed William A Option Excercise 6913 19.79 $ 136,808.27
Sep 3, 2025 MARINER JONATHAN D Open Market Sale 141 20.07 $ 2,829.87
Aug 4, 2025 MARINER JONATHAN D Open Market Sale 6630 23.53 $ 156,003.90
Jul 25, 2025 Koefoed William A Option Excercise 25000 10.65 $ 266,250.00
Jul 25, 2025 Koefoed William A Open Market Sale 25000 25.00 $ 625,000.00
Jul 18, 2025 Hohenstein Ken Option Excercise 20000 10.65 $ 213,000.00
Jul 18, 2025 Hohenstein Ken Open Market Sale 20000 25.12 $ 502,400.00
Jul 7, 2025 MARINER JONATHAN D Open Market Sale 6630 26.59 $ 176,291.70
Jun 25, 2025 Koefoed William A Option Excercise 25000 10.65 $ 266,250.00
Jun 25, 2025 Koefoed William A Open Market Sale 25000 26.77 $ 669,250.00
Jun 20, 2025 Kinzer John Other Aquisition 30000 $ 0.00
Jun 20, 2025 Kinzer John Open Market Sale 30000 28.26 $ 847,827.00
Jun 18, 2025 Hohenstein Ken Option Excercise 20000 10.65 $ 213,000.00
Jun 18, 2025 Hohenstein Ken Open Market Sale 20000 28.28 $ 565,600.00
Jun 16, 2025 Koefoed William A Open Market Sale 9354 27.90 $ 260,976.60
Jun 11, 2025 Hohenstein Ken Open Market Sale 6280 28.23 $ 177,284.40
Jun 11, 2025 Koefoed William A Open Market Sale 6501 28.23 $ 183,523.23
Jun 11, 2025 Colby Craig Open Market Sale 6279 28.23 $ 177,256.17
Jun 11, 2025 Shea Thomas Anthony Open Market Sale 9913 28.23 $ 279,843.99
Jun 10, 2025 Shea Thomas Anthony Other Aquisition 150 $ 0.00
May 27, 2025 Koefoed William A Option Excercise 25000 10.65 $ 266,250.00
May 27, 2025 Koefoed William A Open Market Sale 25000 28.76 $ 719,000.00
May 21, 2025 MARINER JONATHAN D Grant 7130 0.00 $ 0.00
May 21, 2025 WILSON KARA Grant 7130 0.00 $ 0.00
May 21, 2025 Burkland Michael Grant 7130 0.00 $ 0.00
May 21, 2025 Kinzer John Grant 7130 0.00 $ 0.00
May 19, 2025 Hohenstein Ken Option Excercise 20000 10.65 $ 213,000.00
May 19, 2025 Hohenstein Ken Open Market Sale 20000 27.67 $ 553,400.00
May 9, 2025 Colby Craig Option Excercise 280000 11.42 $ 3,198,665.66
May 9, 2025 Colby Craig Open Market Sale 280000 25.50 $ 7,138,691.20
Apr 9, 2025 Kinzer John Open Market Sale 40000 20.28 $ 811,200.00
Mar 24, 2025 Colby Craig Other Aquisition 7304 $ 0.00
Mar 24, 2025 Kinzer John Other Aquisition 40000 $ 0.00
Mar 24, 2025 MARINER JONATHAN D Other Aquisition 46411 $ 0.00
Mar 10, 2025 Shea Thomas Anthony Grant 506617 0.00 $ 0.00
Mar 10, 2025 Koefoed William A Grant 253694 0.00 $ 0.00
Mar 10, 2025 Colby Craig Grant 219164 0.00 $ 0.00
Feb 18, 2025 Koefoed William A Option Excercise 10000 10.65 $ 106,500.00
Feb 18, 2025 Koefoed William A Open Market Sale 10000 25.04 $ 250,400.00
Jan 15, 2025 Koefoed William A Option Excercise 10000 10.65 $ 106,500.00
Jan 15, 2025 Koefoed William A Open Market Sale 10000 26.57 $ 265,700.00
Dec 13, 2024 Colby Craig Option Excercise 280000 10.65 $ 2,982,000.00
Dec 13, 2024 Colby Craig Open Market Sale 280000 29.71 $ 8,318,379.58
Dec 13, 2024 Colby Craig Other Aquisition 167821 $ 0.00
Dec 13, 2024 Koefoed William A Option Excercise 13765 10.65 $ 146,597.25
Dec 13, 2024 Koefoed William A Open Market Sale 13765 30.00 $ 412,917.25