Alta Equipment Group Inc. (ALTG) has 17 known insider and institutional holders on record. The largest holder is Greenawalt Ryan with 5,728,993 shares. Other notable holders include Mill Road Capital III, L.P. and RILEY BRYANT R.
Over the last 12 months, insiders have made 24 transactions in ALTG stock — 22 buys (valued at $770.2K) and 2 sells (valued at $254.67K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
ALTG Insider Ownership
Top Holder
Greenawalt Ryan
5,728,993 shares
Buys (12 mo)
22
$770.2K value
Sells (12 mo)
2
$254.67K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Greenawalt Ryan |
10 Percent Owner, Officer: Chief Executive Officer |
5,728,993 |
2026-03-25 |
|
| 2 |
Mill Road Capital Iii, L.p. |
10 Percent Owner |
4,369,410 |
2026-03-16 |
|
| 3 |
Riley Bryant R |
Director |
2,021,134 |
2022-07-28 |
|
| 4 |
B. Riley Financial, Inc. |
10 Percent Owner |
852,455 |
2024-02-09 |
|
| 5 |
Colucci Anthony |
Chief Financial Officer |
241,809 |
2026-03-25 |
|
| 6 |
Voss Capital, Llc |
10 Percent Owner |
150,000 |
2024-03-01 |
|
| 7 |
Voss Capital, Lp |
10 Percent Owner |
150,000 |
2025-04-02 |
|
| 8 |
Shribman Daniel |
Director |
131,393 |
2025-12-10 |
|
| 9 |
Studdert Andrew P |
Director |
116,813 |
2025-06-03 |
|
| 10 |
Brubaker Craig |
Chief Operating Officer |
112,832 |
2025-03-19 |
|
| 11 |
Savas Zachary E. |
Director |
99,711 |
2023-11-28 |
|
| 12 |
Hoover Jeffrey Alan |
Chief Legal Officer |
84,730 |
2026-03-25 |
|
| 13 |
White Katherine E |
Director |
67,301 |
2025-06-03 |
|
| 14 |
Nair Sidhartha |
Director |
34,806 |
2026-03-16 |
|
| 15 |
B. Riley Principal Sponsor Co., Llc |
10 Percent Owner |
25,000 |
2019-08-16 |
|
| 16 |
Wilson Colin |
Director |
8,812 |
2025-06-03 |
|
| 17 |
Kempner James L |
Director |
4,830 |
2020-02-12 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-02-27 |
Hoover Jeffrey Alan |
Chief Legal Officer |
RSU Award |
17,261 |
- |
- |
| 2026-02-27 |
Colucci Anthony |
Chief Financial Officer |
RSU Award |
11,654 |
- |
- |
| 2026-02-27 |
Greenawalt Ryan |
10 Percent Owner, Officer: Chief Executive Officer |
RSU Award |
80,115 |
- |
- |
| 2026-03-11 |
Nair Sidhartha |
Director |
Informative Buy |
1,000 |
$6.37 |
$6.37K |
| 2026-03-09 |
Nair Sidhartha |
Director |
Informative Buy |
1,000 |
$6.75 |
$6.75K |
| 2026-03-05 |
Nair Sidhartha |
Director |
Informative Buy |
1,000 |
$7.00 |
$7K |
| 2026-03-03 |
Nair Sidhartha |
Director |
Informative Buy |
1,000 |
$7.13 |
$7.13K |
| 2026-03-13 |
Mill Road Capital Iii, L.p. |
10 Percent Owner |
Informative Buy |
3,798 |
$5.95 |
$22.58K |
| 2026-03-12 |
Mill Road Capital Iii, L.p. |
10 Percent Owner |
Informative Buy |
58,162 |
$6.10 |
$354.67K |
| 2026-03-11 |
Mill Road Capital Iii, L.p. |
10 Percent Owner |
Informative Buy |
18,040 |
$6.36 |
$114.76K |
| 2026-02-27 |
Hoover Jeffrey Alan |
Chief Legal Officer |
RSU Award |
15,692 |
- |
- |
| 2026-03-03 |
Colucci Anthony |
Chief Financial Officer |
Informative Sell |
8,137 |
$7.05 |
$57.38K |
| 2026-02-27 |
Colucci Anthony |
Chief Financial Officer |
RSU Award |
10,595 |
- |
- |
| 2026-03-03 |
Greenawalt Ryan |
10 Percent Owner, Officer: Chief Executive Officer |
Informative Sell |
27,986 |
$7.05 |
$197.29K |
| 2026-02-27 |
Greenawalt Ryan |
10 Percent Owner, Officer: Chief Executive Officer |
RSU Award |
72,832 |
- |
- |
| 2025-12-08 |
Shribman Daniel |
Director |
Informative Buy |
40,000 |
$5.07 |
$202.94K |
| 2025-05-30 |
Shribman Daniel |
Director |
RSU Award |
20,222 |
- |
- |
| 2025-01-24 |
Shribman Daniel |
Director |
Gift (Received) |
91,393 |
- |
- |
| 2025-05-30 |
Nair Sidhartha |
Director |
RSU Award |
20,222 |
- |
- |
| 2025-05-30 |
White Katherine E |
Director |
RSU Award |
20,222 |
- |
- |
| 2025-05-30 |
Wilson Colin |
Director |
RSU Award |
8,812 |
- |
- |
| 2025-05-30 |
Studdert Andrew P |
Director |
RSU Award |
20,222 |
- |
- |
| 2025-05-30 |
Studdert Andrew P |
Director |
Informative Buy |
3,257 |
$4.81 |
$15.65K |
| 2025-05-29 |
Studdert Andrew P |
Director |
Informative Buy |
6,743 |
$4.80 |
$32.35K |
