Blackline, Inc. (BL) Insider Ownership

Historic Insider Ownership Trends

As of April 11, 2026, Blackline's top three insider holders are Therese Tucker (Executive Chair, 1.51Mn shares), Owen Ryan (Chief Executive Officer, 404.10K shares), Therese Tucker (Founder, 361.66K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Therese Tucker Executive Chair 0 1,509,881 30 Nov, 2021
Owen Ryan Chief Executive Officer 404,101 0 03 Apr, 2026
Therese Tucker Founder 361,660 0 24 Feb, 2026
Marc Huffman Chief Executive Officer 306,809 0 23 Feb, 2023
Therese Tucker Executive Chair 0 230,075 16 Sep, 2021
Karole Morgan-Prager Chief Legal And Administrative 165,659 0 03 Apr, 2026
Jeremy Ung Chief Technology Officer 139,332 0 03 Apr, 2026
Patrick Villanova Chief Financial Officer 134,122 0 03 Apr, 2026
Houten Stuart Van Chief Commercial Officer 110,406 0 03 Apr, 2026
Mark Woodhams Chief Revenue Officer 61,390 0 22 May, 2025
Thomas Unterman - 58,636 0 09 May, 2025
Peter Hirsch Chief Technology Officer 56,055 0 22 May, 2023
Therese Tucker Founder 0 52,444 20 Feb, 2026
Thomas Unterman - 0 41,835 28 Oct, 2025
Michelle D Stalick Chief Accounting Officer 38,014 0 03 Apr, 2026
Sophia Velastegui - 19,530 0 09 May, 2025
Mika Yamamoto - 13,276 0 09 May, 2025
Brunilda Rios - 11,699 0 09 May, 2025
Kevin B Thompson - 11,000 0 01 Mar, 2024
Barbara Whye - 10,553 0 09 May, 2025
Amit Yoran - 7,923 0 10 May, 2024
Camille Drummond - 7,315 0 09 May, 2025
William Raymond Wagner - 5,681 0 10 May, 2024
Scott Davidson - 4,444 0 09 May, 2025
Saranga Balaji - 3,391 0 16 Jun, 2025
Megan Prichard - 922 0 26 Mar, 2026
Storm Duncan - 922 0 26 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
01 Apr, 2026 Houten Stuart Van Common Stock A 47,880 $0.00 110,406 D A
01 Apr, 2026 Michelle D Stalick Common Stock A 16,420 $0.00 38,014 D A
01 Apr, 2026 Patrick Villanova Common Stock A 62,930 $0.00 134,122 D A
01 Apr, 2026 Owen Ryan Common Stock A 150,470 $0.00 404,101 D A
01 Apr, 2026 Jeremy Ung Common Stock A 50,610 $0.00 139,332 D A
01 Apr, 2026 Karole Morgan-Prager Common Stock A 46,510 $0.00 165,659 D A
11 Mar, 2026 Megan Prichard Common Stock A 922 $0.00 922 D A
11 Mar, 2026 Storm Duncan Common Stock A 922 $0.00 922 D A
20 Feb, 2026 Michelle D Stalick Common Stock A 1,347 $36.15 24,436 D M
20 Feb, 2026 Patrick Villanova Common Stock A 2,395 $36.15 75,220 D M
20 Feb, 2026 Karole Morgan-Prager Common Stock A 7,181 $36.15 125,755 D M
20 Feb, 2026 Owen Ryan Common Stock A 21,761 $36.15 268,877 D M
20 Feb, 2026 Therese Tucker Common Stock A 21,761 $36.15 372,889 D M
20 Feb, 2026 Houten Stuart Van Common Stock A 8,979 $36.15 69,979 D M
20 Feb, 2026 Jeremy Ung Common Stock A 8,305 $36.15 93,888 D M
20 Feb, 2026 Houten Stuart Van Common Stock D 7,453 $36.15 62,526 D F
20 Feb, 2026 Patrick Villanova Common Stock A 1,307 $36.15 76,527 D M
20 Feb, 2026 Michelle D Stalick Common Stock D 2,842 $36.15 21,594 D F
20 Feb, 2026 Jeremy Ung Common Stock A 5,238 $36.15 99,126 D M
20 Feb, 2026 Karole Morgan-Prager Common Stock A 3,857 $36.15 129,612 D M