Jeffrey H. Aronson
CIK 1425800 · View on SEC EDGAR ↗
Activist
First SEC filing: Aug. 22, 2025 · Latest: Aug. 22, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 27, 2016 | AMPY | S | 1,978 | $21.00 | $41,538 | 1,447,207 Indirect | -0.14% | Disposed | -76.4% (price as of 2026-08-20) |
| Oct. 27, 2016 | AMPY | S | 578 | $21.00 | $12,138 | 423,132 Indirect | -0.14% | Disposed | -76.4% (price as of 2026-08-20) |
| Oct. 27, 2016 | AMPY | S | 1,030 | $21.00 | $21,630 | 754,077 Indirect | -0.14% | Disposed | -76.4% (price as of 2026-08-20) |
| Oct. 27, 2016 | AMPY | S | 1,314 | $21.00 | $27,594 | 961,231 Direct | -0.14% | Disposed | -76.4% (price as of 2026-08-20) |
| Oct. 25, 2016 | AMPY | S | 1,576 | $22.67 | $35,728 | 1,449,185 Indirect | -0.11% | Disposed | -78.1% (price as of 2026-08-20) |
| Oct. 25, 2016 | AMPY | S | 461 | $22.67 | $10,451 | 423,710 Indirect | -0.11% | Disposed | -78.1% (price as of 2026-08-20) |
| Oct. 25, 2016 | AMPY | S | 821 | $22.67 | $18,612 | 755,107 Indirect | -0.11% | Disposed | -78.1% (price as of 2026-08-20) |
| Oct. 25, 2016 | AMPY | S | 1,047 | $22.67 | $23,735 | 962,545 Direct | -0.11% | Disposed | -78.1% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 27, 2016 | AMPY | Common Stock, $0.01 par value (the "Common Stock") [F1,F5,F6,F7,F8,F9] | 963,592 | Indirect |
| Oct. 27, 2016 | AMPY | Common Stock | 755,928 | Indirect |
| Oct. 27, 2016 | AMPY | Common Stock | 424,171 | Indirect |
| Oct. 27, 2016 | AMPY | Common Stock | 1,450,761 | Indirect |
| Oct. 27, 2016 | AMPY | Warrant→ Common Stock (243,053) | 243,053 | Direct |
| Oct. 27, 2016 | AMPY | Warrant→ Common Stock (314,836) | 314,836 | Indirect |
| Oct. 27, 2016 | AMPY | Warrant→ Common Stock (77,838) | 77,838 | Indirect |
| Oct. 27, 2016 | AMPY | Warrant→ Common Stock (360,927) | 360,927 | Indirect |
| Feb. 1, 2008 | DAN | Common Stock, par value $0.01 per share | 0 | Indirect |
| Feb. 1, 2008 | DAN | Series A Convertible Preferred Stock→ Common Stock | — | Indirect |