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Insiders · Profile

O'Sullivan Michael J.

See Remarks at Berkshire Hathaway · General Counsel at Snap. Filing since 16 Nov 2017. CIK 0001713777

BRK-B Berkshire Hathaway Inc. See Remarks · 2 trades SNAP Snap Inc General Counsel · 106 trades
Company
Date
Role
Action
Shares
Amount
Of holding
BRK-B Berkshire Hathaway Inc.
12 Aug 2026
See Remarks
Bought
488
$250.07K
73.6%
BRK-B Berkshire Hathaway Inc.
6 May 2026
See Remarks
Bought
536
$250.55K
422%
SNAP Snap Inc
17 Nov 2025
General Counsel
Sold at will
70,882
$591.02K
3.7%
SNAP Snap Inc
31 Oct 2025
General Counsel
Sold on a plan
24,000
$185.62K
4.7%
SNAP Snap Inc
30 Sep 2025
General Counsel
Sold on a plan
24,000
$188.54K
4.5%
SNAP Snap Inc
16 Sep 2025
General Counsel
Sold at will
14,290
$108.28K
0.7%
SNAP Snap Inc
29 Aug 2025
General Counsel
Sold on a plan
24,000
$171.86K
4.4%
SNAP Snap Inc
18 Aug 2025
General Counsel
Sold at will
68,705
$493.08K
3.3%
SNAP Snap Inc
31 Jul 2025
General Counsel
Sold on a plan
24,000
$229.59K
4.7%
SNAP Snap Inc
30 Jun 2025
General Counsel
Sold on a plan
24,000
$208.98K
4.5%
SNAP Snap Inc
16 Jun 2025
General Counsel
Sold at will
14,297
$114.95K
0.7%
SNAP Snap Inc
30 May 2025
General Counsel
Sold on a plan
24,000
$195.54K
4.4%
SNAP Snap Inc
16 May 2025
General Counsel
Sold at will
68,845
$591.70K
3.1%
SNAP Snap Inc
30 Apr 2025
General Counsel
Sold on a plan
24,000
$185.88K
4.7%
SNAP Snap Inc
31 Mar 2025
General Counsel
Sold on a plan
24,000
$206.39K
4.5%
SNAP Snap Inc
17 Mar 2025
General Counsel
Sold at will
14,183
$125.22K
0.6%
SNAP Snap Inc
28 Feb 2025
General Counsel
Sold on a plan
24,000
$243.83K
4.4%
SNAP Snap Inc
18 Feb 2025
General Counsel
Sold at will
69,119
$749.45K
2.9%
SNAP Snap Inc
31 Jan 2025
General Counsel
Sold on a plan
18,000
$206.90K
3.6%
SNAP Snap Inc
31 Dec 2024
General Counsel
Sold on a plan
18,000
$195.10K
3.5%
SNAP Snap Inc
16 Dec 2024
General Counsel
Sold at will
56,961
$651.82K
4.8%
SNAP Snap Inc
29 Nov 2024
General Counsel
Sold on a plan
18,000
$213.93K
3.7%
SNAP Snap Inc
18 Nov 2024
General Counsel
Sold at will
12,315
$129.86K
1.0%
SNAP Snap Inc
31 Oct 2024
General Counsel
Sold on a plan
18,000
$221.67K
3.7%
SNAP Snap Inc
30 Sep 2024
General Counsel
Sold on a plan
18,000
$194.62K
3.5%
SNAP Snap Inc
16 Sep 2024
General Counsel
Sold at will
59,053
$548.64K
4.5%
SNAP Snap Inc
30 Aug 2024
General Counsel
Sold on a plan
18,000
$167.48K
3.8%
SNAP Snap Inc
16 Aug 2024
General Counsel
Sold at will
12,512
$113.93K
0.9%
SNAP Snap Inc
31 Jul 2024
General Counsel
Sold on a plan
18,000
$239.07K
3.7%
SNAP Snap Inc
28 Jun 2024
General Counsel
Sold on a plan
18,000
$298.10K
3.6%
SNAP Snap Inc
17 Jun 2024
General Counsel
Sold at will
58,924
$913.81K
4.1%
SNAP Snap Inc
31 May 2024
General Counsel
Sold on a plan
18,000
$270.24K
3.9%
SNAP Snap Inc
16 May 2024
General Counsel
Sold at will
12,695
$201.96K
0.9%
SNAP Snap Inc
30 Apr 2024
General Counsel
Sold on a plan
18,000
$271.80K
3.8%
SNAP Snap Inc
28 Mar 2024
General Counsel
Sold on a plan
18,000
$207.59K
3.7%
SNAP Snap Inc
18 Mar 2024
General Counsel
Sold at will
59,641
$655.88K
4.5%
SNAP Snap Inc
29 Feb 2024
General Counsel
Sold on a plan
18,000
$199.03K
3.9%
SNAP Snap Inc
29 Feb 2024
General Counsel
Sold on a plan
160
$1.77K
0.0%
SNAP Snap Inc
31 Jan 2024
General Counsel
Sold on a plan
13,000
$210.04K
2.7%
SNAP Snap Inc
15 Dec 2023
General Counsel
Sold on a plan
13,000
$219.42K
2.7%
SNAP Snap Inc
30 Nov 2023
General Counsel
Sold on a plan
13,000
$179.77K
2.6%
SNAP Snap Inc
16 Nov 2023
General Counsel
Sold at will
35,683
$424.62K
3.4%
SNAP Snap Inc
31 Oct 2023
General Counsel
Sold on a plan
13,000
$129.12K
2.7%
SNAP Snap Inc
29 Sep 2023
General Counsel
Sold on a plan
13,000
$113.81K
2.6%
SNAP Snap Inc
31 Aug 2023
General Counsel
Sold on a plan
13,000
$134.28K
2.6%
SNAP Snap Inc
16 Aug 2023
General Counsel
Sold at will
36,037
$332.74K
3.2%
SNAP Snap Inc
31 Jul 2023
General Counsel
Sold on a plan
13,000
$145.90K
2.6%
SNAP Snap Inc
30 Jun 2023
General Counsel
Sold on a plan
13,000
$154.34K
2.6%
SNAP Snap Inc
31 May 2023
General Counsel
Sold at will
13,000
$129.87K
2.5%
SNAP Snap Inc
16 May 2023
General Counsel
Sold at will
60,793
$517.55K
4.9%
SNAP Snap Inc
28 Apr 2023
General Counsel
Sold on a plan
13,000
$111.21K
2.7%
SNAP Snap Inc
31 Mar 2023
General Counsel
Sold at will
13,000
$144.67K
2.6%
SNAP Snap Inc
28 Feb 2023
General Counsel
Sold, plan not stated
13,000
$131.92K
2.6%
SNAP Snap Inc
16 Feb 2023
General Counsel
Sold, plan not stated
61,001
$674.64K
4.5%
SNAP Snap Inc
16 Dec 2022
General Counsel
Sold, plan not stated
5,155
$43.68K
0.9%
SNAP Snap Inc
16 Nov 2022
General Counsel
Sold, plan not stated
44,404
$495.74K
6.7%
SNAP Snap Inc
16 Aug 2022
General Counsel
Sold, plan not stated
41,929
$515.12K
5.7%
SNAP Snap Inc
16 May 2022
General Counsel
Sold, plan not stated
43,701
$1.04M
5.3%
SNAP Snap Inc
29 Apr 2022
General Counsel
Sold, plan not stated
12,500
$367.22K
3.6%
SNAP Snap Inc
31 Mar 2022
General Counsel
Sold, plan not stated
12,500
$451.50K
3.4%
SNAP Snap Inc
28 Feb 2022
General Counsel
Sold, plan not stated
12,500
$498.07K
3.3%
SNAP Snap Inc
16 Feb 2022
General Counsel
Sold, plan not stated
43,837
$1.75M
5.2%
SNAP Snap Inc
5 Jan 2022
General Counsel
Sold, plan not stated
6,000
$256.80K
1.7%
SNAP Snap Inc
15 Dec 2021
General Counsel
Sold, plan not stated
6,000
$270.69K
1.7%
SNAP Snap Inc
30 Nov 2021
General Counsel
Sold, plan not stated
6,000
$283.92K
1.7%
SNAP Snap Inc
16 Nov 2021
General Counsel
Sold, plan not stated
25,246
$1.37M
3.1%
SNAP Snap Inc
29 Oct 2021
General Counsel
Sold, plan not stated
6,000
$315.46K
1.8%
SNAP Snap Inc
30 Sep 2021
General Counsel
Sold, plan not stated
6,000
$442.95K
1.7%
SNAP Snap Inc
31 Aug 2021
General Counsel
Sold, plan not stated
6,000
$457.72K
1.7%
SNAP Snap Inc
16 Aug 2021
General Counsel
Sold, plan not stated
85,253
$6.03M
8.9%
SNAP Snap Inc
30 Jul 2021
General Counsel
Sold, plan not stated
6,000
$449.58K
2.1%
SNAP Snap Inc
23 Jul 2021
General Counsel
Sold, plan not stated
25,000
$1.94M
7.9%
SNAP Snap Inc
30 Jun 2021
General Counsel
Sold, plan not stated
6,000
$407.49K
1.9%
SNAP Snap Inc
28 May 2021
General Counsel
Sold, plan not stated
6,000
$372.38K
1.8%
SNAP Snap Inc
17 May 2021
General Counsel
Sold, plan not stated
80,771
$4.28M
7.3%
SNAP Snap Inc
30 Apr 2021
General Counsel
Sold, plan not stated
6,000
$372.68K
2.3%
SNAP Snap Inc
31 Mar 2021
General Counsel
Sold, plan not stated
6,000
$312.65K
2.0%
SNAP Snap Inc
16 Feb 2021
General Counsel
Sold, plan not stated
80,249
$5.01M
6.3%
SNAP Snap Inc
4 Jan 2021
General Counsel
Sold, plan not stated
28,000
$1.41M
1.9%
SNAP Snap Inc
16 Nov 2020
General Counsel
Sold, plan not stated
82,465
$3.27M
5.4%
SNAP Snap Inc
1 Oct 2020
General Counsel
Sold, plan not stated
28,000
$735.84K
1.8%
SNAP Snap Inc
17 Aug 2020
General Counsel
Sold, plan not stated
67,549
$1.45M
4.2%
SNAP Snap Inc
1 Jul 2020
General Counsel
Sold, plan not stated
28,000
$661.64K
1.7%
SNAP Snap Inc
18 May 2020
General Counsel
Sold, plan not stated
64,293
$1.14M
3.8%
SNAP Snap Inc
1 Apr 2020
General Counsel
Sold, plan not stated
28,000
$318.36K
1.6%
SNAP Snap Inc
18 Feb 2020
General Counsel
Sold, plan not stated
68,061
$1.18M
3.8%
SNAP Snap Inc
17 Jan 2020
General Counsel
Sold, plan not stated
18,500
$353.17K
1.3%
SNAP Snap Inc
17 Dec 2019
General Counsel
Sold, plan not stated
18,500
$279.13K
1.3%
SNAP Snap Inc
19 Nov 2019
General Counsel
Sold, plan not stated
18,500
$268.09K
1.3%
SNAP Snap Inc
18 Nov 2019
General Counsel
Sold, plan not stated
64,214
$930.51K
4.2%
SNAP Snap Inc
17 Oct 2019
General Counsel
Sold, plan not stated
18,500
$254.56K
1.2%
SNAP Snap Inc
17 Sep 2019
General Counsel
Sold, plan not stated
18,500
$311.48K
1.2%
SNAP Snap Inc
19 Aug 2019
General Counsel
Sold, plan not stated
18,500
$298.41K
1.2%
SNAP Snap Inc
16 Aug 2019
General Counsel
Sold, plan not stated
52,465
$843.12K
3.2%
SNAP Snap Inc
17 Jul 2019
General Counsel
Sold, plan not stated
18,500
$275.28K
1.1%
SNAP Snap Inc
18 Jun 2019
General Counsel
Sold, plan not stated
18,500
$274.45K
1.1%
SNAP Snap Inc
17 Jun 2019
General Counsel
Sold, plan not stated
36,602
$503.67K
2.1%
SNAP Snap Inc
17 May 2019
General Counsel
Sold, plan not stated
18,500
$207.57K
1.1%
SNAP Snap Inc
16 May 2019
General Counsel
Sold, plan not stated
18,121
$205.63K
1.0%
SNAP Snap Inc
17 Apr 2019
General Counsel
Sold, plan not stated
18,500
$218.30K
1.8%
SNAP Snap Inc
19 Mar 2019
General Counsel
Sold, plan not stated
18,500
$201.47K
1.8%
SNAP Snap Inc
28 Feb 2019
General Counsel
Sold, plan not stated
18,500
$182.23K
1.8%
SNAP Snap Inc
19 Feb 2019
General Counsel
Sold, plan not stated
18,484
$171.98K
1.7%
SNAP Snap Inc
16 Nov 2018
General Counsel
Sold, plan not stated
27,868
$180.12K
2.7%
SNAP Snap Inc
16 Aug 2018
General Counsel
Sold, plan not stated
10,648
$132.32K
1.0%
SNAP Snap Inc
16 May 2018
General Counsel
Sold, plan not stated
9,810
$104.28K
0.9%
SNAP Snap Inc
16 Feb 2018
General Counsel
Sold, plan not stated
9,248
$187.29K
0.9%
SNAP Snap Inc
16 Nov 2017
General Counsel
Sold, plan not stated
10,016
$125.58K
0.9%
108 decisions on file.