Insider Trading activities at Onestream, Inc. (OS)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Onestream, Inc. (OS) since 2024 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Onestream, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1889956.

Total stock buying since 2024: $0.
Total stock sales since 2024: $1,165,025,008.
Total stock option exercises since 2024: $8,141,997.


17 insiders reported insider trading activities at Onestream, Inc. (OS):
Insider trading activities of Shea Terrance
Insider trading activities of Davidson Eric
Insider trading activities of Roberts George R
Insider trading activities of Hohenstein Ken
Insider trading activities of Colby Craig
Insider trading activities of Powers Robert Allan Jr.
Insider trading activities of Fugere Peter
Insider trading activities of Koefoed William A
Insider trading activities of Shea Thomas Anthony
Insider trading activities of Burkland Michael
Insider trading activities of Von Allmen John
Insider trading activities of Kkr Financial Management Llc
Insider trading activities of Kkr Wolverine I Ltd.
Insider trading activities of Kkr Associates Group Gp Llc
Insider trading activities of Kinzer John
Insider trading activities of Wilson Kara
Insider trading activities of Mariner Jonathan D

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Onestream, Inc. (OS).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2025 0 $0 548,359 $14,122,959 420,000 $5,013,400
2024 0 $0 43,439,871 $1,150,902,049 293,765 $3,128,597

Table 2. Monthly summary of insider trading at Onestream, Inc. (OS).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2025-09 0 $0 141 $2,829 0 $0
2025-08 0 $0 26,630 $587,203 20,000 $213,000
2025-07 0 $0 51,630 $1,303,691 45,000 $479,250
2025-06 0 $0 94,958 $2,685,236 20,000 $213,000
2025-05 0 $0 325,000 $8,482,400 325,000 $4,001,650
2025-04 0 $0 40,000 $811,200 0 $0
2025-02 0 $0 10,000 $250,400 10,000 $106,500
2024-12 0 $0 293,765 $8,795,369 293,765 $3,128,597
2024-11 0 $0 29,492,955 $884,744,789 0 $0
2024-07 0 $0 13,653,151 $257,361,891 0 $0

Table 3. Detailed insider trading at Onestream, Inc. (OS)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2025-09-03 Mariner Jonathan D Sale 141 20.07 2,829
2025-08-18 Hohenstein Ken (Chief Revenue Officer) Sale 20,000 21.56 431,200
2025-08-18 Hohenstein Ken (Chief Revenue Officer) Option Ex 20,000 10.65 213,000
2025-08-04 Mariner Jonathan D Sale 6,630 23.53 156,003
2025-07-25 Koefoed William A (Chief Financial Officer) Sale 25,000 25.00 625,000
2025-07-25 Koefoed William A (Chief Financial Officer) Option Ex 25,000 10.65 266,250
2025-07-18 Hohenstein Ken (Chief Revenue Officer) Sale 20,000 25.12 502,400
2025-07-18 Hohenstein Ken (Chief Revenue Officer) Option Ex 20,000 10.65 213,000
2025-07-07 Mariner Jonathan D Sale 6,630 26.59 176,291
2025-06-20 Kinzer John Sale 30,000 28.52 855,750
2025-06-18 Hohenstein Ken (Chief Revenue Officer) Sale 20,000 28.28 565,600
2025-06-18 Hohenstein Ken (Chief Revenue Officer) Option Ex 20,000 10.65 213,000
2025-06-16 Koefoed William A (Chief Financial Officer) Sale 9,354 27.90 260,976
2025-06-11 Hohenstein Ken (Chief Revenue Officer) Sale 6,280 28.23 177,284
2025-06-11 Shea Thomas Anthony (CEO and President) Sale 9,913 28.23 279,843
2025-06-11 Colby Craig Sale 6,279 28.23 177,256
2025-06-11 Koefoed William A (Chief Financial Officer) Sale 6,501 28.23 183,523
2025-06-02 Mariner Jonathan D Sale 6,631 27.90 185,004
2025-05-27 Koefoed William A (Chief Financial Officer) Sale 25,000 28.76 719,000
2025-05-27 Koefoed William A (Chief Financial Officer) Option Ex 25,000 10.65 266,250
2025-05-19 Hohenstein Ken (Chief Revenue Officer) Sale 20,000 27.67 553,400
2025-05-19 Hohenstein Ken (Chief Revenue Officer) Option Ex 20,000 10.65 213,000
2025-05-09 Colby Craig Sale 280,000 25.75 7,210,000
2025-05-09 Colby Craig Option Ex 280,000 12.58 3,522,400
2025-04-09 Kinzer John Sale 40,000 20.28 811,200
2025-02-18 Koefoed William A (Chief Financial Officer) Sale 10,000 25.04 250,400
2025-02-18 Koefoed William A (Chief Financial Officer) Option Ex 10,000 10.65 106,500
2024-12-13 Colby Craig (President) Sale 280,000 29.93 8,381,800
2024-12-13 Colby Craig (President) Option Ex 280,000 10.65 2,982,000
2024-12-13 Koefoed William A (Chief Financial Officer) Sale 13,765 30.05 413,569
2024-12-13 Koefoed William A (Chief Financial Officer) Option Ex 13,765 10.65 146,597
2024-11-27 Kkr Financial Management Llc Sale 956,462 29.99 28,687,164
2024-11-27 Kkr Associates Group Gp Llc Sale 956,462 29.99 28,687,164
2024-11-27 Kkr Wolverine I Ltd. Sale 956,462 29.99 28,687,164
2024-11-27 Burkland Michael Sale 9,541 31.00 295,771
2024-11-27 Wilson Kara Sale 5,760 31.00 178,560
2024-11-27 Roberts George R Sale 956,462 29.99 28,687,164
2024-11-27 Mariner Jonathan D Sale 5,760 31.00 178,560
2024-11-18 Kkr Financial Management Llc Sale 6,376,411 29.99 191,247,695
2024-11-18 Kkr Associates Group Gp Llc Sale 6,376,411 29.99 191,247,695
2024-11-18 Kkr Wolverine I Ltd. Sale 6,376,411 29.99 191,247,695
2024-11-18 Burkland Michael Sale 63,608 31.00 1,971,848
2024-11-18 Wilson Kara Sale 38,397 31.00 1,190,307
2024-11-18 Roberts George R Sale 6,376,411 29.99 191,247,695
2024-11-18 Mariner Jonathan D Sale 38,397 31.00 1,190,307
2024-07-25 Von Allmen John Sale 139,627 18.85 2,631,968
2024-07-25 Davidson Eric Sale 619,100 18.85 11,670,035
2024-07-25 Shea Terrance Sale 484,830 18.85 9,139,045
2024-07-25 Hohenstein Ken Sale 17,402 18.85 328,027
2024-07-25 Fugere Peter Sale 253,114 18.85 4,771,198
2024-07-25 Kkr Financial Management Llc Sale 2,554,644 18.85 48,155,039
2024-07-25 Kkr Associates Group Gp Llc Sale 2,554,644 18.85 48,155,039
2024-07-25 Powers Robert Allan Jr. Sale 1,700,000 18.85 32,045,000
2024-07-25 Kkr Wolverine I Ltd. Sale 2,554,644 18.85 48,155,039
2024-07-25 Colby Craig (President) Sale 200,502 18.85 3,779,462
2024-07-25 Koefoed William A (Chief Financial Officer) Sale 20,000 18.85 377,000
2024-07-25 Roberts George R Sale 2,554,644 18.85 48,155,039

Insider trading activities including stock purchases, stock sales, and option exercises of OS listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Onestream, Inc. (symbol OS, CIK number 1889956) see the Securities and Exchange Commission (SEC) website.



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