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United States Software & IT Services

Blackline Inc (BL)

Track

Over the last 90 days, Blackline Inc. has seen a net insider selling of approximately $1.23 million, with executives contributing about $38,000 in net sales. Notably, there were 9 transactions, all of which were sales. The stock has experienced a 29.4% decline in the past 90 days, trading near its 52-week low.
Stock chart
Ticker: BL Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Yamamoto Mika
3 sales — total 300,000 USD
Sale 5 Jun 2026
Value US$4,938,518.56 | Price 373.86 | Shares 93,410
Proposed sale 5 Jun 2026
Value US$4,259,721.62 | Price 66.42 | Shares 399
Proposed sale 5 Jun 2026
Value US$100,000.00 | Price 28.48 | Shares 1,000
Sale 1 Jun 2026
Value US$724,775.82 | Price 379.12 | Shares 28,935
Planned sale 21 May 2026
Value US$49,519.25 | Price 30.25 | Shares 1,637
Proposed sale 21 May 2026
Value US$49,519.25 | Price 30.25 | Shares 1,637
Sale 18 May 2026
Value US$13,887.04 | Price 30.26 | Shares 459
Proposed sale 13 May 2026
Value US$508,040.23 | Price 25.40 | Shares 20,000
Proposed sale 12 May 2026
Value US$540,002.21 | Price 27.00 | Shares 20,000
Planned sale 27 Oct 2025
Value US$50,050.00 | Price 55.00 | Shares 910
Proposed sale 27 Oct 2025
Value US$50,050.00 | Price 55.00 | Shares 910
Planned sale 22 Sep 2025
Value US$50,050.00 | Price 55.00 | Shares 910
Proposed sale 22 Sep 2025
Value US$50,050.00 | Price 55.00 | Shares 910
Planned sale 28 Aug 2025
Value US$50,050.00 | Price 55.00 | Shares 910
Proposed sale 28 Aug 2025
Value US$50,050.00 | Price 55.00 | Shares 910
Sale 22 Aug 2025
Value US$35,875.92 | Price 54.03 | Shares 664
Buy 8 Aug 2025
Value US$486,000.00 | Price 48.60 | Shares 10,000
Planned sale 21 Jul 2025
Value US$50,179.50 | Price 56.70 | Shares 885
Proposed sale 21 Jul 2025
Value US$50,179.50 | Price 56.70 | Shares 885
Planned sale 20 Jun 2025
Value US$50,259.30 | Price 55.23 | Shares 910
Proposed sale 20 Jun 2025
Value US$50,259.30 | Price 55.23 | Shares 910
Sale 28 May 2025
Value US$43,836.30 | Price 55.14 | Shares 795
Planned sale 21 May 2025
Value US$101,430.40 | Price 54.65 | Shares 1,856
Proposed sale 21 May 2025
Value US$101,430.40 | Price 54.65 | Shares 1,856
Planned sale 20 May 2025
Value US$50,050.00 | Price 55.00 | Shares 910
Proposed sale 20 May 2025
Value US$50,050.00 | Price 55.00 | Shares 910
Planned sale 12 May 2025
Value US$150,150.00 | Price 55.00 | Shares 2,730
Proposed sale 12 May 2025
Value US$150,150.00 | Price 55.00 | Shares 2,730
Planned sale 12 May 2025
Value US$21,984.00 | Price 54.96 | Shares 400
Proposed sale 7 May 2025
Value US$502,248.19 | Price 50.22 | Shares 10,000
Proposed sale 5 May 2025
Value US$1,431,730.24 | Price 47.72 | Shares 30,000
Proposed sale 2 May 2025
Value US$1,091,637.87 | Price 47.28 | Shares 23,090
Proposed sale 2 May 2025
Value US$1,091,637.87 | Price 47.28 | Shares 23,090
Proposed sale 1 May 2025
Value US$1,422,158.29 | Price 47.41 | Shares 30,000
Proposed sale 30 Apr 2025
Value US$1,882,359.72 | Price 47.06 | Shares 40,000
Proposed sale 25 Apr 2025
Value US$2,665,104.81 | Price 46.95 | Shares 56,760
Proposed sale 27 Mar 2025
Value US$1,005,212.02 | Price 50.26 | Shares 20,000
Proposed sale 26 Mar 2025
Value US$1,005,044.13 | Price 50.25 | Shares 20,000
Planned sale 21 Feb 2025
Value US$451,400.96 | Price 49.67 | Shares 9,088
Proposed sale 21 Feb 2025
Value US$451,400.96 | Price 49.67 | Shares 9,088
Planned sale 12 Dec 2024
Value US$205,093.48 | Price 64.78 | Shares 3,166
Planned sale 12 Dec 2024
Value US$1,364,798.50 | Price 64.25 | Shares 21,242
Proposed sale 12 Dec 2024
Value US$1,569,985.27 | Price 64.32 | Shares 24,408
Proposed sale 11 Nov 2024
Value US$199,901.60 | Price 62.08 | Shares 3,220
Sale 11 Nov 2024
Value US$12,420.00 | Price 62.10 | Shares 200
Sale 11 Nov 2024
Value US$187,481.60 | Price 62.08 | Shares 3,020
Planned sale 8 Nov 2024
Value US$182,049.67 | Price 61.07 | Shares 2,981
Planned sale 8 Nov 2024
Value US$2,853,712.00 | Price 60.46 | Shares 47,200
Proposed sale 8 Nov 2024
Value US$3,035,820.06 | Price 60.50 | Shares 50,181
Planned sale 18 Oct 2024
Value US$1,626,364.74 | Price 60.06 | Shares 27,079
Proposed sale 18 Oct 2024
Value US$1,626,469.21 | Price 60.06 | Shares 27,079
Planned sale 9 Oct 2024
Value US$216,731.13 | Price 55.19 | Shares 3,927
Proposed sale 9 Oct 2024
Value US$216,722.99 | Price 55.19 | Shares 3,927
Planned sale 8 Oct 2024
Value US$16,503.00 | Price 55.01 | Shares 300
Proposed sale 8 Oct 2024
Value US$16,503.00 | Price 55.01 | Shares 300
Planned sale 2 Oct 2024
Value US$318,323.22 | Price 55.14 | Shares 5,773
Proposed sale 2 Oct 2024
Value US$318,314.70 | Price 55.14 | Shares 5,773
Planned sale 1 Oct 2024
Value US$538,949.25 | Price 54.03 | Shares 9,975
Planned sale 1 Oct 2024
Value US$1,367.75 | Price 54.71 | Shares 25
Proposed sale 1 Oct 2024
Value US$540,331.65 | Price 54.03 | Shares 10,000
Planned sale 30 Sep 2024
Value US$550,000.00 | Price 55.00 | Shares 10,000
Planned sale 30 Sep 2024
Value US$159,530.80 | Price 55.78 | Shares 2,860
Planned sale 30 Sep 2024
Value US$3,736,613.25 | Price 54.93 | Shares 68,025
Planned sale 30 Sep 2024
Value US$781,726.60 | Price 54.20 | Shares 14,423
Planned sale 27 Sep 2024
Value US$138,595.00 | Price 53.00 | Shares 2,615
Planned sale 27 Sep 2024
Value US$160,749.00 | Price 53.00 | Shares 3,033
Proposed sale 27 Sep 2024
Value US$299,344.00 | Price 53.00 | Shares 5,648
Planned sale 21 Aug 2024
Value US$31,330.20 | Price 51.70 | Shares 606
Planned sale 21 Aug 2024
Value US$11,167.20 | Price 51.70 | Shares 216
Planned sale 21 Aug 2024
Value US$29,210.50 | Price 51.70 | Shares 565
Proposed sale 21 Aug 2024
Value US$71,707.90 | Price 51.70 | Shares 1,387
Sale 13 Aug 2024
Value US$279,709.78 | Price 52.01 | Shares 5,378
Proposed sale 13 Aug 2024
Value US$279,710.32 | Price 52.01 | Shares 5,378
Planned sale 7 Aug 2024
Value US$500,000.00 | Price 50.00 | Shares 10,000
Proposed sale 7 Aug 2024
Value US$500,000.00 | Price 50.00 | Shares 10,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-08 2026-06-05 S Sale
1.9
Yamamoto Mika
Non-Executive Director
93,410 +37.7%
373.86
US$4,938,519 		93,410 +37.7% 373.86 US$4,938,519
2026-06-05 2026-06-05 PrS Proposed sale
1.9
Yamamoto Mika

Director

Non-Executive Director
399
66.42
US$4,259,722 		399 66.42 US$4,259,722
2026-06-05 2026-06-05 PrS Proposed sale
1.9
Yamamoto Mika

Director

Non-Executive Director
82,217
259.36
US$4,103,402 		82,217 259.36 US$4,103,402
2026-06-02 2026-06-01 S Sale
2.3
Stalick Michelle D

Chief Accounting Officer

Officer
780 -2.1%
30.93
US$24,125 		780 -2.1% 30.93 US$24,125
2026-05-22 2026-05-21 PlS Planned sale
HUGHES GREGORY
Non-Executive Director
1,637 -17.4%
30.25
US$49,519 		1,637 -17.4% 30.25 US$49,519
2026-05-21 2026-05-21 PrS Proposed sale
HUGHES GREGORY

Director

Non-Executive Director
1,637
30.25
US$49,519 		1,637 30.25 US$49,519
2026-05-20 2026-05-18 S Sale
2.3
Stalick Michelle D

Chief Accounting Officer

Officer
459 -1.2%
30.26
US$13,887 		459 -1.2% 30.26 US$13,887
2026-05-13 2026-05-13 PrS Proposed sale
1.7
Unterman Thomas

Former Director

Non-Executive Director
20,000
25.40
US$508,040 		20,000 25.40 US$508,040
2026-05-12 2026-05-12 PrS Proposed sale
1.7
Unterman Thomas

Former Director

Non-Executive Director
20,000
27.00
US$540,002 		20,000 27.00 US$540,002
2025-10-28 2025-10-27 PlS Planned sale
1.7
Unterman Thomas
Non-Executive Director
910 -2.1%
55.00
US$50,050 		910 -2.1% 55.00 US$50,050
2025-10-27 2025-10-27 PrS Proposed sale
1.7
Unterman Thomas

Director

Non-Executive Director
910
55.00
US$50,050 		910 55.00 US$50,050
2025-09-24 2025-09-22 PlS Planned sale
1.7
Unterman Thomas
Non-Executive Director
910 -2.1%
55.00
US$50,050 		910 -2.1% 55.00 US$50,050
2025-09-22 2025-09-22 PrS Proposed sale
1.7
Unterman Thomas

Director

Non-Executive Director
910
55.00
US$50,050 		910 55.00 US$50,050
2025-09-24 2025-08-28 PlS Planned sale
1.7
Unterman Thomas
Non-Executive Director
910 -2.0%
55.00
US$50,050 		910 -2.0% 55.00 US$50,050
2025-08-28 2025-08-28 PrS Proposed sale
1.7
Unterman Thomas

Director

Non-Executive Director
910
55.00
US$50,050 		910 55.00 US$50,050
2025-08-25 2025-08-22 S Sale
2.3
Stalick Michelle D

Chief Accounting Officer

Officer
664 -2.7%
54.03
US$35,876 		664 -2.7% 54.03 US$35,876
2025-08-11 2025-08-08 B Purchase
3.3
HENSHALL DAVID J
Non-Executive Director
10,000 +156.8%
48.60
US$486,000 		10,000 +156.8% 48.60 US$486,000
2025-09-24 2025-07-21 PlS Planned sale
1.7
Unterman Thomas
Non-Executive Director
885 -1.9%
56.70
US$50,180 		885 -1.9% 56.70 US$50,180
2025-07-21 2025-07-21 PrS Proposed sale
1.7
Unterman Thomas

Director

Non-Executive Director
885
56.70
US$50,180 		885 56.70 US$50,180
2025-09-24 2025-06-20 PlS Planned sale
1.7
Unterman Thomas
Non-Executive Director
910 -2.0%
55.23
US$50,259 		910 -2.0% 55.23 US$50,259
2025-06-20 2025-06-20 PrS Proposed sale
1.7
Unterman Thomas

Director

Non-Executive Director
910
55.23
US$50,259 		910 55.23 US$50,259
2025-05-29 2025-05-28 S Sale
2.3
Stalick Michelle D

Chief Accounting Officer

Officer
795 -3.1%
55.14
US$43,836 		795 -3.1% 55.14 US$43,836
2025-05-22 2025-05-21 PlS Planned sale
0.9
Woodhams Mark

Chief Revenue Officer

Officer
1,856 -2.9%
54.65
US$101,430 		1,856 -2.9% 54.65 US$101,430
2025-05-21 2025-05-21 PrS Proposed sale
0.9
Woodhams Mark

Officer

Officer
1,856
54.65
US$101,430 		1,856 54.65 US$101,430
2025-09-24 2025-05-20 PlS Planned sale
1.7
Unterman Thomas
Non-Executive Director
910 -1.9%
55.00
US$50,050 		910 -1.9% 55.00 US$50,050
2025-05-20 2025-05-20 PrS Proposed sale
1.7
Unterman Thomas

Director

Non-Executive Director
910
55.00
US$50,050 		910 55.00 US$50,050
2025-09-24 2025-05-12 PlS Planned sale
1.7
Unterman Thomas
Non-Executive Director
2,730 -5.5%
55.00
US$150,150 		2,730 -5.5% 55.00 US$150,150
2025-05-13 2025-05-12 PlS Planned sale
2.3
Stalick Michelle D

Chief Accounting Officer

Officer
400 -1.4%
54.96
US$21,984 		400 -1.4% 54.96 US$21,984
2025-05-12 2025-05-12 PrS Proposed sale
1.7
Unterman Thomas

Director

Non-Executive Director
2,730
55.00
US$150,150 		2,730 55.00 US$150,150
2025-05-07 2025-05-07 PrS Proposed sale
Partin Mark

Former Officer

Officer
10,000
50.22
US$502,248 		10,000 50.22 US$502,248
2025-05-05 2025-05-05 PrS Proposed sale
Partin Mark

Former Officer

Officer
30,000
47.72
US$1,431,730 		30,000 47.72 US$1,431,730
2025-05-02 2025-05-02 PrS Proposed sale
Partin Mark

Former Officer

Officer
23,090
47.28
US$1,091,638 		23,090 47.28 US$1,091,638
2025-05-02 2025-05-02 PrS Proposed sale
Partin Mark

Former Officer

Officer
23,090
47.28
US$1,091,638 		23,090 47.28 US$1,091,638
2025-05-01 2025-05-01 PrS Proposed sale
Partin Mark

Former Officer

Officer
30,000
47.41
US$1,422,158 		30,000 47.41 US$1,422,158
2025-04-30 2025-04-30 PrS Proposed sale
Partin Mark

Former Officer

Officer
40,000
47.06
US$1,882,360 		40,000 47.06 US$1,882,360
2025-04-25 2025-04-25 PrS Proposed sale
Partin Mark

Former Officer

Officer
56,760
46.95
US$2,665,105 		56,760 46.95 US$2,665,105
2025-03-27 2025-03-27 PrS Proposed sale
Partin Mark

Former Officer

Officer
20,000
50.26
US$1,005,212 		20,000 50.26 US$1,005,212
2025-03-26 2025-03-26 PrS Proposed sale
Partin Mark

Former Officer

Officer
20,000
50.25
US$1,005,044 		20,000 50.25 US$1,005,044
2025-02-24 2025-02-21 PlS Planned sale
0.9
Woodhams Mark

Chief Revenue Officer

Officer
9,088 -12.2%
49.67
US$451,401 		9,088 -12.2% 49.67 US$451,401
2025-02-21 2025-02-21 PrS Proposed sale
0.9
Woodhams Mark

Officer

Officer
9,088
49.67
US$451,401 		9,088 49.67 US$451,401
2024-12-16 2024-12-12 PlS Planned sale
0.9
Woodhams Mark

Chief Revenue Officer

Officer
3,166 -4.2%
64.78
US$205,093 		3,166 -4.2% 64.78 US$205,093
2024-12-16 2024-12-12 PlS Planned sale
0.9
Woodhams Mark

Chief Revenue Officer

Officer
21,242 -21.8%
64.25
US$1,364,798 		21,242 -21.8% 64.25 US$1,364,798
2024-12-12 2024-12-12 PrS Proposed sale
0.9
Woodhams Mark

Officer

Officer
24,408
64.32
US$1,569,985 		24,408 64.32 US$1,569,985
2024-11-12 2024-11-11 PrS Proposed sale
1.9
Yamamoto Mika

Director

Non-Executive Director
3,220
62.08
US$199,902 		3,220 62.08 US$199,902
2024-11-12 2024-11-11 S Sale
1.9
Yamamoto Mika
Non-Executive Director
200 -2.1%
62.10
US$12,420 		200 -2.1% 62.10 US$12,420
2024-11-12 2024-11-11 S Sale
1.9
Yamamoto Mika
Non-Executive Director
3,020 -23.7%
62.08
US$187,482 		3,020 -23.7% 62.08 US$187,482
2024-11-12 2024-11-08 PlS Planned sale
Morgan-Prager Karole

CHIEF LEGAL AND ADMINISTRATIVE

Officer
2,981 -2.6%
61.07
US$182,050 		2,981 -2.6% 61.07 US$182,050
2024-11-12 2024-11-08 PlS Planned sale
Morgan-Prager Karole

CHIEF LEGAL AND ADMINISTRATIVE

Officer
47,200 -28.8%
60.46
US$2,853,712 		47,200 -28.8% 60.46 US$2,853,712
2024-11-08 2024-11-08 PrS Proposed sale
Morgan-Prager Karole

Officer

Officer
50,181
60.50
US$3,035,820 		50,181 60.50 US$3,035,820
2024-10-21 2024-10-18 PlS Planned sale
Morgan-Prager Karole

CHIEF LEGAL AND ADMINISTRATIVE

Officer
27,079 -19.2%
60.06
US$1,626,365 		27,079 -19.2% 60.06 US$1,626,365
2024-10-18 2024-10-18 PrS Proposed sale
Morgan-Prager Karole

Officer

Officer
27,079
60.06
US$1,626,469 		27,079 60.06 US$1,626,469
2024-10-10 2024-10-09 PlS Planned sale
Morgan-Prager Karole

CHIEF LEGAL AND ADMINISTRATIVE

Officer
3,927 -3.3%
55.19
US$216,731 		3,927 -3.3% 55.19 US$216,731
2024-10-09 2024-10-09 PrS Proposed sale
Morgan-Prager Karole

Officer

Officer
3,927
55.19
US$216,723 		3,927 55.19 US$216,723
2024-10-10 2024-10-08 PlS Planned sale
Morgan-Prager Karole

CHIEF LEGAL AND ADMINISTRATIVE

Officer
300 -0.3%
55.01
US$16,503 		300 -0.3% 55.01 US$16,503
2024-10-08 2024-10-08 PrS Proposed sale
Morgan-Prager Karole

Officer

Officer
300
55.01
US$16,503 		300 55.01 US$16,503
2024-10-04 2024-10-02 PlS Planned sale
Morgan-Prager Karole

CHIEF LEGAL AND ADMINISTRATIVE

Officer
5,773 -4.8%
55.14
US$318,323 		5,773 -4.8% 55.14 US$318,323
2024-10-02 2024-10-02 PrS Proposed sale
Morgan-Prager Karole

Officer

Officer
5,773
55.14
US$318,315 		5,773 55.14 US$318,315
2024-10-02 2024-10-01 PlS Planned sale
Morgan-Prager Karole

CHIEF LEGAL AND ADMINISTRATIVE

Officer
9,975 -8.1%
54.03
US$538,949 		9,975 -8.1% 54.03 US$538,949
2024-10-02 2024-10-01 PlS Planned sale
Morgan-Prager Karole

CHIEF LEGAL AND ADMINISTRATIVE

Officer
25 -0.0%
54.71
US$1,368 		25 -0.0% 54.71 US$1,368
2024-10-01 2024-10-01 PrS Proposed sale
Morgan-Prager Karole

Officer

Officer
10,000
54.03
US$540,332 		10,000 54.03 US$540,332
2024-10-01 2024-09-30 PlS Planned sale
Morgan-Prager Karole

CHIEF LEGAL AND ADMINISTRATIVE

Officer
10,000 -8.1%
55.00
US$550,000 		10,000 -8.1% 55.00 US$550,000
2024-10-01 2024-09-30 PlS Planned sale
Partin Mark

CHIEF FINANCIAL OFFICER

Officer
2,860 -1.2%
55.78
US$159,531 		2,860 -1.2% 55.78 US$159,531
2024-10-01 2024-09-30 PlS Planned sale
Partin Mark

CHIEF FINANCIAL OFFICER

Officer
68,025 -22.8%
54.93
US$3,736,613 		68,025 -22.8% 54.93 US$3,736,613
2024-10-01 2024-09-30 PlS Planned sale
Partin Mark

CHIEF FINANCIAL OFFICER

Officer
14,423 -4.6%
54.20
US$781,727 		14,423 -4.6% 54.20 US$781,727
2024-09-30 2024-09-27 PlS Planned sale
Partin Mark

CHIEF FINANCIAL OFFICER

Officer
2,615 -1.1%
53.00
US$138,595 		2,615 -1.1% 53.00 US$138,595
2024-09-30 2024-09-27 PlS Planned sale
Partin Mark

CHIEF FINANCIAL OFFICER

Officer
3,033 -1.3%
53.00
US$160,749 		3,033 -1.3% 53.00 US$160,749
2024-09-27 2024-09-27 PrS Proposed sale
Partin Mark

Officer

Officer
5,648
53.00
US$299,344 		5,648 53.00 US$299,344
2024-08-22 2024-08-21 PlS Planned sale
0.9
Woodhams Mark

Chief Revenue Officer

Officer
606 -0.6%
51.70
US$31,330 		606 -0.6% 51.70 US$31,330
2024-08-22 2024-08-21 PlS Planned sale
0.9
Woodhams Mark

Chief Revenue Officer

Officer
216 -0.2%
51.70
US$11,167 		216 -0.2% 51.70 US$11,167
2024-08-22 2024-08-21 PlS Planned sale
0.9
Woodhams Mark

Chief Revenue Officer

Officer
565 -0.6%
51.70
US$29,210 		565 -0.6% 51.70 US$29,210
2024-08-21 2024-08-21 PrS Proposed sale
0.9
Woodhams Mark

Officer

Officer
1,387
51.70
US$71,708 		1,387 51.70 US$71,708
2024-08-14 2024-08-13 S Sale
1.4
Whye Barbara
Non-Executive Director
5,378 -44.2%
52.01
US$279,710 		5,378 -44.2% 52.01 US$279,710
2024-08-13 2024-08-13 PrS Proposed sale
1.4
Whye Barbara

Director

Non-Executive Director
5,378
52.01
US$279,710 		5,378 52.01 US$279,710
2024-08-08 2024-08-07 PlS Planned sale
Morgan-Prager Karole

CHIEF LEGAL AND ADMINISTRATIVE

Officer
10,000 -8.0%
50.00
US$500,000 		10,000 -8.0% 50.00 US$500,000
2024-08-07 2024-08-07 PrS Proposed sale
Morgan-Prager Karole

Officer

Officer
10,000
50.00
US$500,000 		10,000 50.00 US$500,000
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