Stock chart
Ticker: ALTG Exchange: NYS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Total value Details
2021-12-15 2021-12-13 B Purchase

B. Riley Financial, Inc.

Major owner
36,527 +0.7%
13.49
492,676 USD
36,527 +0.7% 13.49 492,676 USD
2021-11-16 2021-11-12 PS Planned sale

Colucci Anthony

Chief Financial Officer

Officer
2,500 -11.0%
16.31
40,773 USD
2,500 -11.0% 16.31 40,773 USD
2021-11-04 2021-11-03 PS Planned sale

Colucci Anthony

Chief Financial Officer

Officer
3,900 -14.6%
15.60
60,852 USD
3,900 -14.6% 15.60 60,852 USD
2021-11-04 2021-11-03 PS Planned sale

Colucci Anthony

Chief Financial Officer

Officer
2,200 -7.6%
15.58
34,278 USD
2,200 -7.6% 15.58 34,278 USD
2021-11-04 2021-11-02 PS Planned sale

Colucci Anthony

Chief Financial Officer

Officer
1,600 -5.3%
15.52
24,832 USD
1,600 -5.3% 15.52 24,832 USD
2021-11-04 2021-11-02 PS Planned sale

Colucci Anthony

Chief Financial Officer

Officer
5,000 -14.1%
15.50
77,500 USD
5,000 -14.1% 15.50 77,500 USD
2021-10-20 2021-10-20 B Purchase

B. Riley Financial, Inc.

Major owner
5,603 +0.1%
13.48
75,532 USD
5,603 +0.1% 13.48 75,532 USD
2021-10-20 2021-10-18 B Purchase

B. Riley Financial, Inc.

Major owner
23,086 +0.5%
13.50
311,661 USD
23,086 +0.5% 13.50 311,661 USD
2021-09-17 2021-09-16 B Purchase

B. Riley Financial, Inc.

Major owner
17,771 +0.4%
12.88
228,915 USD
17,771 +0.4% 12.88 228,915 USD
2021-09-17 2021-09-15 B Purchase

B. Riley Financial, Inc.

Major owner
5,031 +0.1%
12.80
64,397 USD
5,031 +0.1% 12.80 64,397 USD
2021-06-11 2021-06-10 B Purchase

Savas Zachary E.

Non-Executive Director
5,000 +17.4%
12.86
64,275 USD
5,000 +17.4% 12.86 64,275 USD
2020-11-18 2020-11-17 B Purchase

STUDDERT ANDREW P

Non-Executive Director
2,000 +14.8%
8.55
17,100 USD
2,000 +14.8% 8.55 17,100 USD
2020-11-18 2020-11-17 B Purchase

STUDDERT ANDREW P

Non-Executive Director
3,000 +28.5%
8.61
25,830 USD
3,000 +28.5% 8.61 25,830 USD
2020-11-18 2020-11-17 B Purchase

Shribman Daniel

Non-Executive Director
12,000 +3.7%
8.75
105,000 USD
12,000 +3.7% 8.75 105,000 USD
2020-03-13 2020-03-12 B Purchase

B. Riley Financial, Inc.

Major owner
63,398 +1.1%
6.09
386,265 USD
63,398 +1.1% 6.09 386,265 USD
2020-03-13 2020-03-11 B Purchase

B. Riley Financial, Inc.

Major owner
29,438 +0.5%
7.31
215,101 USD
29,438 +0.5% 7.31 215,101 USD
2020-03-03 2020-03-03 B Purchase

B. Riley Financial, Inc.

Major owner
552 +0.0%
8.45
4,664 USD
552 +0.0% 8.45 4,664 USD
2020-03-03 2020-03-03 B Purchase

B. Riley Financial, Inc.

Major owner
100 +0.0%
8.45
845 USD
100 +0.0% 8.45 845 USD
2020-03-03 2020-03-03 B Purchase

B. Riley Financial, Inc.

Major owner
167,209 +3.0%
8.40
1,404,556 USD
167,209 +3.0% 8.40 1,404,556 USD
2020-03-03 2020-03-03 B Purchase

B. Riley Financial, Inc.

Major owner
21,421 +0.4%
8.45
181,007 USD
21,421 +0.4% 8.45 181,007 USD
2020-03-03 2020-03-02 B Purchase

B. Riley Financial, Inc.

Major owner
90,060 +1.6%
8.65
778,839 USD
90,060 +1.6% 8.65 778,839 USD
2020-03-03 2020-02-28 B Purchase

B. Riley Financial, Inc.

Major owner
29,600 +0.5%
8.87
262,525 USD
29,600 +0.5% 8.87 262,525 USD
2020-02-27 2020-02-27 B Purchase

B. Riley Financial, Inc.

Major owner
140,632 +2.7%
8.96
1,259,599 USD
140,632 +2.7% 8.96 1,259,599 USD
2020-02-27 2020-02-26 B Purchase

B. Riley Financial, Inc.

Major owner
30,638 +0.6%
9.21
282,106 USD
30,638 +0.6% 9.21 282,106 USD
2020-02-27 2020-02-25 B Purchase

B. Riley Financial, Inc.

Major owner
75,000 +1.4%
9.29
696,503 USD
75,000 +1.4% 9.29 696,503 USD
2020-02-24 2020-02-24 B Purchase

B. Riley Financial, Inc.

Major owner
100,000 +2.0%
9.65
965,180 USD
100,000 +2.0% 9.65 965,180 USD
2020-02-24 2020-02-21 B Purchase

B. Riley Financial, Inc.

Major owner
97,027 +1.9%
10.38
1,006,907 USD
97,027 +1.9% 10.38 1,006,907 USD
2020-02-24 2020-02-20 B Purchase

B. Riley Financial, Inc.

Major owner
11,202 +0.2%
10.47
117,284 USD
11,202 +0.2% 10.47 117,284 USD
2020-02-19 2020-02-18 B Purchase

Shribman Daniel

Non-Executive Director
47,393 +17.0%
10.55
499,996 USD
47,393 +17.0% 10.55 499,996 USD
2020-02-19 2020-02-14 B Purchase

B. Riley Financial, Inc.

Major owner
100,000
0.00
0 USD
100,000 0.00 0 USD
2020-02-19 2020-02-14 B Purchase

B. Riley Financial, Inc.

Major owner
2,500,000
0.00
0 USD
2,500,000 0.00 0 USD
2020-02-19 2020-02-14 S Sale

B. Riley Financial, Inc.

Major owner
370,000
0.00
0 USD
370,000 0.00 0 USD
2020-02-19 2020-02-14 B Purchase

B. Riley Financial, Inc.

Major owner
685,000
0.00
0 USD
685,000 0.00 0 USD
2020-02-14 2020-02-12 B Purchase

B. Riley Financial, Inc.

Major owner
13,828 +0.3%
10.32
142,681 USD
13,828 +0.3% 10.32 142,681 USD
2020-02-12 2020-02-10 B Purchase

Kempner James L

Non-Executive Director
4,830 +inf%
10.34
49,942 USD
4,830 +inf% 10.34 49,942 USD
2020-02-10 2020-02-07 B Purchase

B. Riley Financial, Inc.

Major owner
48 +0.0%
10.18
489 USD
48 +0.0% 10.18 489 USD
2020-02-10 2020-02-06 B Purchase

B. Riley Financial, Inc.

Major owner
157,073 +3.9%
10.21
1,603,134 USD
157,073 +3.9% 10.21 1,603,134 USD
2020-02-10 2020-02-06 S Sale

B. Riley Financial, Inc.

Major owner
108,107 -2.6%
10.21
1,103,772 USD
108,107 -2.6% 10.21 1,103,772 USD
2020-02-10 2020-02-06 B Purchase

B. Riley Financial, Inc.

Major owner
129,831 +3.3%
10.21
1,325,575 USD
129,831 +3.3% 10.21 1,325,575 USD
2020-02-10 2020-02-06 S Sale

B. Riley Financial, Inc.

Major owner
67,075 -1.7%
10.20
684,165 USD
67,075 -1.7% 10.20 684,165 USD
2020-02-10 2020-02-06 B Purchase

B. Riley Financial, Inc.

Major owner
74,400 +1.9%
10.20
758,880 USD
74,400 +1.9% 10.20 758,880 USD
2020-02-10 2020-02-06 B Purchase

RILEY BRYANT R

Non-Executive Director
50,000 +44.8%
10.20
510,120 USD
50,000 +44.8% 10.20 510,120 USD
2020-02-05 2020-02-03 B Purchase

RILEY BRYANT R

6,865 +88.5%
10.22
70,160 USD
6,865 +88.5% 10.22 70,160 USD
2020-02-05 2020-02-03 B Purchase

RILEY BRYANT R

6,865 +88.5%
10.22
70,160 USD
6,865 +88.5% 10.22 70,160 USD
2020-02-05 2020-02-03 B Purchase

RILEY BRYANT R

6,866 +88.5%
10.22
70,171 USD
6,866 +88.5% 10.22 70,171 USD
2020-02-05 2020-02-03 B Purchase

RILEY BRYANT R

6,866 +88.5%
10.22
70,171 USD
6,866 +88.5% 10.22 70,171 USD
2020-02-05 2020-02-03 B Purchase

RILEY BRYANT R

58,333 +109.3%
10.21
595,831 USD
58,333 +109.3% 10.21 595,831 USD
2020-02-05 2020-02-03 B Purchase

B. Riley Financial, Inc.

Major owner
108,333 +2.6%
10.21
1,106,578 USD
108,333 +2.6% 10.21 1,106,578 USD
2020-01-28 2020-01-28 B Purchase

B. Riley Financial, Inc.

Major owner
107,553 +2.7%
10.19
1,096,062 USD
107,553 +2.7% 10.19 1,096,062 USD
2020-01-28 2020-01-28 B Purchase

RILEY BRYANT R

1,579 +25.6%
10.19
16,090 USD
1,579 +25.6% 10.19 16,090 USD
2020-01-28 2020-01-28 B Purchase

RILEY BRYANT R

1,579 +25.5%
10.19
16,090 USD
1,579 +25.5% 10.19 16,090 USD
2020-01-28 2020-01-28 B Purchase

RILEY BRYANT R

1,580 +25.6%
10.19
16,100 USD
1,580 +25.6% 10.19 16,100 USD
2020-01-28 2020-01-28 B Purchase

RILEY BRYANT R

1,579 +25.6%
10.19
16,090 USD
1,579 +25.6% 10.19 16,090 USD
2020-01-28 2020-01-28 B Purchase

RILEY BRYANT R

28,671 +116.0%
10.19
292,157 USD
28,671 +116.0% 10.19 292,157 USD
2020-01-28 2020-01-27 B Purchase

B. Riley Financial, Inc.

Major owner
9,309 +0.2%
10.19
94,859 USD
9,309 +0.2% 10.19 94,859 USD
2020-01-28 2020-01-27 B Purchase

RILEY BRYANT R

2,327 +60.4%
10.19
23,712 USD
2,327 +60.4% 10.19 23,712 USD
2020-01-28 2020-01-27 B Purchase

RILEY BRYANT R

2,327 +60.4%
10.19
23,712 USD
2,327 +60.4% 10.19 23,712 USD
2020-01-28 2020-01-27 B Purchase

RILEY BRYANT R

2,327 +60.4%
10.19
23,712 USD
2,327 +60.4% 10.19 23,712 USD
2020-01-28 2020-01-27 B Purchase

RILEY BRYANT R

2,327 +60.4%
10.19
23,712 USD
2,327 +60.4% 10.19 23,712 USD
2020-01-28 2020-01-27 B Purchase

RILEY BRYANT R

9,308 +60.4%
10.19
94,849 USD
9,308 +60.4% 10.19 94,849 USD
2020-01-28 2020-01-24 B Purchase

B. Riley Financial, Inc.

Major owner
15,413 +0.4%
10.24
157,878 USD
15,413 +0.4% 10.24 157,878 USD
2020-01-28 2020-01-24 B Purchase

RILEY BRYANT R

3,853 +inf%
10.24
39,467 USD
3,853 +inf% 10.24 39,467 USD
2020-01-28 2020-01-24 B Purchase

RILEY BRYANT R

3,854 +inf%
10.24
39,477 USD
3,854 +inf% 10.24 39,477 USD
2020-01-28 2020-01-24 B Purchase

RILEY BRYANT R

3,853 +inf%
10.24
39,467 USD
3,853 +inf% 10.24 39,467 USD
2020-01-28 2020-01-24 B Purchase

RILEY BRYANT R

3,853 +inf%
10.24
39,467 USD
3,853 +inf% 10.24 39,467 USD
2020-01-28 2020-01-24 B Purchase

RILEY BRYANT R

15,413 +inf%
10.24
157,878 USD
15,413 +inf% 10.24 157,878 USD
2020-01-17 2020-01-15 B Purchase

B. Riley Financial, Inc.

Major owner
250,000 +100.0%
10.19
2,547,500 USD
250,000 +100.0% 10.19 2,547,500 USD
2020-01-17 2020-01-15 S Sale

B. Riley Financial, Inc.

Major owner
185,000 -100.0%
10.18
1,883,300 USD
185,000 -100.0% 10.18 1,883,300 USD
2020-01-17 2020-01-15 S Sale

B. Riley Financial, Inc.

Major owner
15,000 -100.0%
10.19
152,850 USD
15,000 -100.0% 10.19 152,850 USD
2020-01-14 2020-01-14 S Sale

B. Riley Financial, Inc.

Major owner
19,600 -100.0%
10.18
199,528 USD
19,600 -100.0% 10.18 199,528 USD
2020-01-14 2020-01-14 B Purchase

B. Riley Financial, Inc.

Major owner
183,927 +100.0%
10.18
1,872,377 USD
183,927 +100.0% 10.18 1,872,377 USD
2020-01-14 2020-01-13 S Sale

B. Riley Financial, Inc.

Major owner
10,000 -100.0%
10.16
101,600 USD
10,000 -100.0% 10.16 101,600 USD
2020-01-14 2020-01-13 B Purchase

B. Riley Financial, Inc.

Major owner
146,097 +100.0%
10.15
1,482,885 USD
146,097 +100.0% 10.15 1,482,885 USD
2020-01-14 2020-01-13 S Sale

B. Riley Financial, Inc.

Major owner
350,000 -100.0%
10.15
3,552,500 USD
350,000 -100.0% 10.15 3,552,500 USD
2020-01-14 2020-01-13 B Purchase

B. Riley Financial, Inc.

Major owner
69,602 +100.0%
10.14
705,764 USD
69,602 +100.0% 10.14 705,764 USD