WhaleWave
Ownership research
Company ownership
AMT · SEC CIK 0001053507
Broad multi-source activity
Analysis window: last 120 days.
2 of 4 source families recorded activity between Jul 28, 2026 and Oct 28, 2026.
Activity
2 of 4
Filing types detected
Recent events
4
Jul 28 – Oct 28
Insider purchases
$500.73K
Most recently reported quarter
Entered Top 200 · 2,460,401 shares
TOP 200
Increased · 45,796,561 shares
1.87%
Reduced · 2,922,539 shares
-28.78%
Increased · 6,554,891 shares
15.65%
1 reported event
Confirmed sales
$894.45K
1 matched event
Increased · 5,607,388 shares
7.01%
Factual events across SEC sources
Oct 28
Proposed insider sale
RUTH T DOWLING · 1,578 shares · $290.08K
Form 144
Aug 21
Open-market purchase
Kalathur Rajesh · 2,829 shares · $500.73K
Form 4
Jul 29
Open-market sale confirmed
ROBERT MEYER · 5,000 shares · $894.45K
Form 144 + Form 4