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).
| 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.
| 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 |