Insider trading

Period: 120 months Stock: ALTG Role: Directors × + Add filter Clear all
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When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

46 decisions over 120 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

46 decisions over 120 months Remove this filter
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

46 decisions over 120 months
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

46 decisions over 120 months
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
46 decisions over 120 months
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
46 decisions over 120 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

46 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
11 Mar 2026
Nair Sidhartha Director
Bought
$6.37K 1,000 at 6.37
2.7%
9 Mar 2026
Nair Sidhartha Director
Bought
$6.75K 1,000 at 6.75
2.8%
5 Mar 2026
Nair Sidhartha Director
Bought
$7.00K 1,000 at 7.00
2.9%
3 Mar 2026
Nair Sidhartha Director
Bought
$7.13K 1,000 at 7.13
3.0%
First buy on file
8 Dec 2025
Shribman Daniel Director · indirect
Bought
$202.94K 40,000 at 5.07
43.8%
Largest buy in 3 yrs
30 May 2025
Bought
$15.65K 3,257 at 4.81
3.5%
29 May 2025
Bought
$32.35K 6,743 at 4.80
7.8%
12 Aug 2024
Bought
$56.48K 10,000 at 5.65
13.1%
27 Nov 2023
Savas Zachary E. Director
Bought
$48.71K 5,000 at 9.74
5.3%
21 Aug 2023
Bought
$69.41K 5,000 at 13.88
8.3%
15 Aug 2023
Savas Zachary E. Director
Bought
$70.89K 5,000 at 14.18
5.6%
14 Aug 2023
Shribman Daniel Director
Bought
$100.59K 7,000 at 14.37
1.8%
14 Aug 2023
Savas Zachary E. Director
Bought
$71.25K 5,000 at 14.25
5.9%
14 Mar 2023
Shribman Daniel Director
Bought
$163.90K 10,000 at 16.39
2.6%
Largest buy in 3 yrs
12 Aug 2022
Bought
$71.64K 5,500 at 13.03
11.6%
Largest buy in 3 yrs
26 May 2022
Bought
$26.15K 2,500 at 10.46
7.0%
19 May 2022
Savas Zachary E. Director
Bought
$107.28K 10,000 at 10.73
17.1%
Largest buy in 3 yrs
16 May 2022
Savas Zachary E. Director
Bought
$4.87K 459 at 10.60
0.8%
13 May 2022
Shribman Daniel Director
Bought
$154.74K 15,000 at 10.32
4.2%
Largest buy in 3 yrs
14 Sep 2021
Savas Zachary E. Director
Bought
$64.50K 5,000 at 12.90
14.8%
Largest buy in 3 yrs
10 Jun 2021
Savas Zachary E. Director
Bought
$64.28K 5,000 at 12.86
17.4%
First buy on file
17 Nov 2020
Shribman Daniel Director
Bought
$105.00K 12,000 at 8.75
3.7%
First buy on file
17 Nov 2020
Bought 2×
$42.93K 5,000 at 8.59
47.5%
First buy on file
18 Feb 2020
Shribman Daniel Director
Bought
$500.00K 47,393 at 10.55
17.0%
First buy on file
10 Feb 2020
Kempner James L Director
Bought
$49.94K 4,830 at 10.34
opened
First buy on file
6 Feb 2020
RILEY BRYANT R Director
Bought
$510.12K 50,000 at 10.20
44.8%
First buy on file
3 Feb 2020
RILEY BRYANT R Director
Bought
$595.83K 58,333 at 10.21
109%
First buy on file
3 Feb 2020
RILEY BRYANT R Director · indirect
Bought
$70.17K 6,866 at 10.22
88.5%
First buy on file
3 Feb 2020
RILEY BRYANT R Director · indirect
Bought
$70.17K 6,866 at 10.22
88.5%
First buy on file
3 Feb 2020
RILEY BRYANT R Director · indirect
Bought
$70.16K 6,865 at 10.22
88.5%
First buy on file
3 Feb 2020
RILEY BRYANT R Director · indirect
Bought
$70.16K 6,865 at 10.22
88.5%
First buy on file
28 Jan 2020
RILEY BRYANT R Director
Bought
$292.16K 28,671 at 10.19
116%
First buy on file
28 Jan 2020
RILEY BRYANT R Director · indirect
Bought
$16.10K 1,580 at 10.19
25.6%
First buy on file
28 Jan 2020
RILEY BRYANT R Director · indirect
Bought
$16.09K 1,579 at 10.19
25.6%
First buy on file
28 Jan 2020
RILEY BRYANT R Director · indirect
Bought
$16.09K 1,579 at 10.19
25.6%
First buy on file
28 Jan 2020
RILEY BRYANT R Director · indirect
Bought
$16.09K 1,579 at 10.19
25.5%
First buy on file
27 Jan 2020
RILEY BRYANT R Director
Bought
$94.85K 9,308 at 10.19
60.4%
First buy on file
27 Jan 2020
RILEY BRYANT R Director · indirect
Bought
$23.71K 2,327 at 10.19
60.4%
First buy on file
27 Jan 2020
RILEY BRYANT R Director · indirect
Bought
$23.71K 2,327 at 10.19
60.4%
First buy on file
27 Jan 2020
RILEY BRYANT R Director · indirect
Bought
$23.71K 2,327 at 10.19
60.4%
First buy on file
27 Jan 2020
RILEY BRYANT R Director · indirect
Bought
$23.71K 2,327 at 10.19
60.4%
First buy on file
24 Jan 2020
RILEY BRYANT R Director
Bought
$157.88K 15,413 at 10.24
opened
First buy on file
24 Jan 2020
RILEY BRYANT R Director · indirect
Bought
$39.48K 3,854 at 10.24
opened
First buy on file
24 Jan 2020
RILEY BRYANT R Director · indirect
Bought
$39.47K 3,853 at 10.24
opened
First buy on file
24 Jan 2020
RILEY BRYANT R Director · indirect
Bought
$39.47K 3,853 at 10.24
opened
First buy on file
24 Jan 2020
RILEY BRYANT R Director · indirect
Bought
$39.47K 3,853 at 10.24
opened
First buy on file
Showing 1–46 of 46.