Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Common Stock
- Shares / value
- 1,509,881
- Estimated value
- $42,382,359
- Report date
- 24 Aug 2026
- Price
- $28.07
- Ownership
- Brian and Therese Tucker Living Trust
Therese Tucker
Insider Reports History
- Reporting-owner location
- Woodland Hills, CA
- Latest reporting-owner signature
-
/s/ Karole Morgan-Prager, Attorney-in-Fact
Source: Latest parsed Forms 3/4/5 signature
- Transaction source note
- Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.
Identity
Names, identifiers, and filing context for this profile.
1 identity field
SEC source record
Original filing metadata and source links for verification.
1 source field
Source evidence
Original filing metadata and source links for verification.
1 source field
Reported holdings for Therese Tucker
Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Common Stock
- Shares / value
- 874,128
- Estimated value
- $24,536,772
- Report date
- 24 Aug 2026
- Price
- $28.07
- Ownership
- Tucker Legacy Trust
Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Common Stock
- Shares / value
- 577,200
- Estimated value
- $16,202,004
- Report date
- 24 Aug 2026
- Price
- $28.07
- Ownership
- Isaac Tucker 2012 Irrevocable Trust
Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Common Stock
- Shares / value
- 577,200
- Estimated value
- $16,202,004
- Report date
- 24 Aug 2026
- Price
- $28.07
- Ownership
- Roseanna Tucker 2012 Irrevocable Trust
Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Common Stock
- Shares / value
- 381,557
- Estimated value
- $12,193,417
- Report date
- 24 Aug 2026
- Price
- $31.96
- Ownership
- Direct
Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Common Stock
- Shares / value
- 250,916
- Estimated value
- $7,043,212
- Report date
- 24 Aug 2026
- Price
- $28.07
- Ownership
- Tucker Seimetz Safety Net Grat
Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Common Stock
- Shares / value
- 129,897
- Estimated value
- $3,646,208
- Report date
- 24 Aug 2026
- Price
- $28.07
- Ownership
- Tucker Legacy Trust II
Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Common Stock
- Shares / value
- 100,178
- Estimated value
- $2,811,996
- Report date
- 24 Aug 2026
- Price
- $28.07
- Ownership
- Brian and Therese Tucker Charitable Remainder Trust
Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Common Stock
- Shares / value
- 54,074
- Estimated value
- $1,517,857
- Report date
- 24 Aug 2026
- Price
- $28.07
- Ownership
- Claire Seimetz 2015 Trust
Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Common Stock
- Shares / value
- 52,444
- Estimated value
- $1,472,103
- Report date
- 24 Aug 2026
- Price
- $28.07
- Ownership
- Tucker Family CLAT
Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Common Stock
- Shares / value
- 0
- Estimated value
- $0
- Report date
- 20 May 2026
- Price
- $37.00
- Ownership
- By: CS 2015 GRAT dated 9/28/2015
Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Common Stock
- Shares / value
- 0
- Estimated value
- $0
- Report date
- 20 May 2026
- Price
- $37.00
- Ownership
- By: SAFETY NET GRAT dated 9/28/2015
Form 4 holding
Director
BLACKLINE, INC.
- Security class
- Stock Option (Right to Buy)
- Shares / value
- 0
- Estimated value
- Report date
- 24 Aug 2026
- Price
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
Insider Reports Filed by Therese Tucker
4
BL
BLACKLINE, INC.
- Report period
- 24 Aug 2026
- Transactions
- 5
- Transaction value
- -$2,236,990
- Accepted by SEC
- 26 Aug 2026, 17:49
- Role
- Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 May 2026
- Transactions
- 3
- Transaction value
- $0
- Accepted by SEC
- 21 May 2026, 16:25
- Role
- Founder, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 Feb 2026
- Transactions
- 4
- Transaction value
- +$380,732
- Accepted by SEC
- 24 Feb 2026, 17:46
- Role
- Founder, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 18 Feb 2026
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 20 Feb 2026, 16:11
- Role
- Founder, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 Nov 2025
- Transactions
- 2
- Transaction value
- -$226,263
- Accepted by SEC
- 24 Nov 2025, 18:07
- Role
- Founder, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 Aug 2025
- Transactions
- 2
- Transaction value
- -$220,985
- Accepted by SEC
- 21 Aug 2025, 17:20
- Role
- CO-CEO, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 May 2025
- Transactions
- 2
- Transaction value
- -$234,469
- Accepted by SEC
- 21 May 2025, 16:14
- Role
- CO-CEO, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 02 Apr 2025
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 04 Apr 2025, 16:20
- Role
- CO-CEO, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 11 Mar 2025
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 12 Mar 2025, 19:19
- Role
- CO-CEO, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 Feb 2025
- Transactions
- 2
- Transaction value
- +$86,853
- Accepted by SEC
- 24 Feb 2025, 18:40
- Role
- CO-CEO, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 Nov 2024
- Transactions
- 2
- Transaction value
- -$217,439
- Accepted by SEC
- 21 Nov 2024, 20:42
- Role
- CO-CEO, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 Aug 2024
- Transactions
- 2
- Transaction value
- -$191,657
- Accepted by SEC
- 22 Aug 2024, 17:01
- Role
- CO-CEO, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 May 2024
- Transactions
- 1
- Transaction value
- -$338,077
- Accepted by SEC
- 22 May 2024, 18:35
- Role
- CO-CEO, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 17 Mar 2024
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 19 Mar 2024, 16:59
- Role
- (CO-CEO), Director
- Next action
- Open filing details
4/A
BL
BLACKLINE, INC.
- Report period
- 20 Feb 2024
- Transactions
- 3
- Transaction value
- -$1,835,930
- Accepted by SEC
- 20 Mar 2024, 17:33
- Role
- (CO-CEO), Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 Feb 2024
- Transactions
- 1
- Transaction value
- -$736,049
- Accepted by SEC
- 22 Feb 2024, 16:31
- Role
- (CO-CEO), Director, 10%+ Owner
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 Nov 2023
- Transactions
- 1
- Transaction value
- -$204,626
- Accepted by SEC
- 21 Nov 2023, 17:37
- Role
- Co-CEO, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 18 Aug 2023
- Transactions
- 1
- Transaction value
- -$184,692
- Accepted by SEC
- 21 Aug 2023, 17:52
- Role
- Co-CEO, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 19 May 2023
- Transactions
- 1
- Transaction value
- -$190,137
- Accepted by SEC
- 22 May 2023, 18:24
- Role
- Co-CEO, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 07 Mar 2023
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 07 Mar 2023, 17:28
- Role
- Co-CEO, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 17 Feb 2023
- Transactions
- 1
- Transaction value
- -$1,715,829
- Accepted by SEC
- 22 Feb 2023, 18:54
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 30 Dec 2022
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 30 Dec 2022, 15:24
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 18 Nov 2022
- Transactions
- 1
- Transaction value
- -$214,422
- Accepted by SEC
- 21 Nov 2022, 15:37
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 19 Aug 2022
- Transactions
- 1
- Transaction value
- -$253,006
- Accepted by SEC
- 22 Aug 2022, 18:36
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 May 2022
- Transactions
- 1
- Transaction value
- -$255,344
- Accepted by SEC
- 23 May 2022, 18:04
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 04 Apr 2022
- Transactions
- 1
- Transaction value
- $0
- Accepted by SEC
- 06 Apr 2022, 17:39
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 18 Feb 2022
- Transactions
- 1
- Transaction value
- -$554,819
- Accepted by SEC
- 22 Feb 2022, 19:18
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 30 Nov 2021
- Transactions
- 4
- Transaction value
- -$1,105,081
- Accepted by SEC
- 30 Nov 2021, 18:39
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 23 Nov 2021
- Transactions
- 4
- Transaction value
- -$1,132,040
- Accepted by SEC
- 23 Nov 2021, 18:30
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 19 Nov 2021
- Transactions
- 1
- Transaction value
- -$592,650
- Accepted by SEC
- 22 Nov 2021, 15:32
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 16 Nov 2021
- Transactions
- 4
- Transaction value
- -$4,835,118
- Accepted by SEC
- 16 Nov 2021, 17:39
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 19 Oct 2021
- Transactions
- 3
- Transaction value
- -$3,692,188
- Accepted by SEC
- 21 Oct 2021, 19:00
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 12 Oct 2021
- Transactions
- 4
- Transaction value
- -$1,872,111
- Accepted by SEC
- 12 Oct 2021, 18:03
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 05 Oct 2021
- Transactions
- 3
- Transaction value
- -$1,173,318
- Accepted by SEC
- 05 Oct 2021, 18:01
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 28 Sep 2021
- Transactions
- 3
- Transaction value
- -$1,174,199
- Accepted by SEC
- 28 Sep 2021, 19:16
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 21 Sep 2021
- Transactions
- 3
- Transaction value
- -$3,548,075
- Accepted by SEC
- 22 Sep 2021, 16:07
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 13 Sep 2021
- Transactions
- 10
- Transaction value
- -$7,315,903
- Accepted by SEC
- 16 Sep 2021, 17:24
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 07 Sep 2021
- Transactions
- 3
- Transaction value
- -$1,576,894
- Accepted by SEC
- 08 Sep 2021, 16:24
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 31 Aug 2021
- Transactions
- 2
- Transaction value
- -$1,092,016
- Accepted by SEC
- 31 Aug 2021, 18:30
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 Aug 2021
- Transactions
- 3
- Transaction value
- -$1,628,335
- Accepted by SEC
- 24 Aug 2021, 17:43
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 17 Aug 2021
- Transactions
- 3
- Transaction value
- -$1,092,647
- Accepted by SEC
- 17 Aug 2021, 18:06
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 Jul 2021
- Transactions
- 4
- Transaction value
- -$1,128,516
- Accepted by SEC
- 20 Jul 2021, 20:17
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 13 Jul 2021
- Transactions
- 2
- Transaction value
- -$1,133,423
- Accepted by SEC
- 13 Jul 2021, 19:44
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 06 Jul 2021
- Transactions
- 3
- Transaction value
- -$1,140,475
- Accepted by SEC
- 07 Jul 2021, 16:18
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 29 Jun 2021
- Transactions
- 2
- Transaction value
- -$1,126,598
- Accepted by SEC
- 29 Jun 2021, 18:39
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 22 Jun 2021
- Transactions
- 2
- Transaction value
- -$1,089,753
- Accepted by SEC
- 23 Jun 2021, 19:28
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 15 Jun 2021
- Transactions
- 3
- Transaction value
- -$1,057,081
- Accepted by SEC
- 16 Jun 2021, 17:10
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 08 Jun 2021
- Transactions
- 4
- Transaction value
- -$1,033,744
- Accepted by SEC
- 09 Jun 2021, 16:10
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 01 Jun 2021
- Transactions
- 2
- Transaction value
- -$1,022,508
- Accepted by SEC
- 01 Jun 2021, 17:56
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 25 May 2021
- Transactions
- 2
- Transaction value
- -$1,049,277
- Accepted by SEC
- 25 May 2021, 19:19
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 20 May 2021
- Transactions
- 1
- Transaction value
- -$1,170,430
- Accepted by SEC
- 21 May 2021, 20:02
- Role
- Executive Chair, Director
- Next action
- Open filing details
4
BL
BLACKLINE, INC.
- Report period
- 18 May 2021
- Transactions
- 4
- Transaction value
- -$1,039,735
- Accepted by SEC
- 20 May 2021, 18:08
- Role
- Executive Chair, Director
- Next action
- Open filing details