Blackline, Inc. (BL) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through January 10, 2026 reveals that Blackline's three principal insider shareholders consist of Founder Therese Tucker (430.81K shares), Chief Executive Officer Marc Huffman (306.81K shares), Ceo Owen Ryan (247.57K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Therese Tucker Founder 430,806 24 Nov, 2025
Marc Huffman Chief Executive Officer 306,809 23 Feb, 2023
Owen Ryan Ceo 247,566 26 Nov, 2025
Mark Partin Chief Financial Officer 209,454 24 Feb, 2025
Karole Morgan-Prager Chief Legal And Administrative 118,574 26 Nov, 2025
Thomas Unterman 100,471 09 May, 2025
Jeremy Ung Chief Technology Officer 85,583 26 Nov, 2025
Jimmy C Duan Chief Customer Officer 76,272 24 Nov, 2025
Patrick Villanova Chief Financial Officer 72,825 24 Nov, 2025
Mark Woodhams Chief Revenue Officer 61,390 22 May, 2025
Houten Stuart Van Chief Commercial Officer 61,000 04 Apr, 2025
Peter Hirsch Chief Technology Officer 56,055 22 May, 2023
Michelle D Stalick Chief Accounting Officer 23,089 24 Nov, 2025
Sophia Velastegui 19,530 09 May, 2025
David J Henshall 16,378 11 Aug, 2025
Mika Yamamoto 13,276 09 May, 2025
Brunilda Rios 11,699 09 May, 2025
Kevin B Thompson 11,000 01 Mar, 2024
Graham Smith 10,706 01 Nov, 2021
Barbara Whye 10,553 09 May, 2025
Amit Yoran 7,923 10 May, 2024
Camille Drummond 7,315 09 May, 2025
William Raymond Wagner 5,681 10 May, 2024
Scott Davidson 4,444 09 May, 2025
Saranga Balaji 3,391 16 Jun, 2025
Gregory Hughes 2,976 28 Jul, 2025

* 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
25 Nov, 2025 Karole Morgan-Prager Common Stock A 2,860 $0.00 118,574 D A
25 Nov, 2025 Owen Ryan Common Stock A 33,330 $0.00 247,566 D A
25 Nov, 2025 Jeremy Ung Common Stock A 1,910 $0.00 85,583 D A
20 Nov, 2025 Karole Morgan-Prager Common Stock D 776 $53.49 123,680 D F
20 Nov, 2025 Karole Morgan-Prager Common Stock D 7,084 $53.49 115,714 D F
20 Nov, 2025 Karole Morgan-Prager Common Stock D 882 $53.49 122,798 D F
20 Nov, 2025 Karole Morgan-Prager Common Stock D 571 $53.49 124,456 D F
20 Nov, 2025 Jimmy C Duan Common Stock D 1,190 $53.49 76,272 D F
20 Nov, 2025 Michelle D Stalick Common Stock D 143 $53.49 23,515 D F
20 Nov, 2025 Michelle D Stalick Common Stock D 161 $53.49 23,354 D F
20 Nov, 2025 Michelle D Stalick Common Stock D 172 $53.49 23,658 D F
20 Nov, 2025 Michelle D Stalick Common Stock D 265 $53.49 23,089 D F
20 Nov, 2025 Patrick Villanova Common Stock D 2,126 $53.49 72,825 D F
20 Nov, 2025 Patrick Villanova Common Stock D 220 $53.49 75,510 D F
20 Nov, 2025 Patrick Villanova Common Stock D 260 $53.49 75,250 D F
20 Nov, 2025 Patrick Villanova Common Stock D 299 $53.49 74,951 D F
20 Nov, 2025 Therese Tucker Common Stock D 2,012 $53.49 351,128 D F
20 Nov, 2025 Therese Tucker Common Stock D 2,218 $53.49 353,140 D F
20 Nov, 2025 Owen Ryan Common Stock D 2,230 $53.49 216,259 D F
20 Nov, 2025 Owen Ryan Common Stock D 2,023 $53.49 214,236 D F