Thomas Eifert
CIK 1878235 · View on SEC EDGAR ↗
Insider
First SEC filing: March 12, 2024 · Latest: March 12, 2024
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 91 non-open-market transactions below
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
91 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 7, 2024 | ALSN | S 10b5-1 | 1,741 | $100.00 | $174,100 | 9,601 Direct | -15.35% | Disposed | 24.9% (price as of 2026-08-18) |
| Sept. 26, 2024 | ALSN | S 10b5-1 | 2,000 | $95.00 | $190,000 | 9,601 Direct | -17.24% | Disposed | 31.4% (price as of 2026-08-18) |
| Aug. 23, 2024 | ALSN | S 10b5-1 | 2,202 | $90.00 | $198,180 | 9,601 Direct | -18.66% | Disposed | 38.8% (price as of 2026-08-18) |
| Aug. 15, 2024 | ALSN | S 10b5-1 | 2,000 | $85.00 | $170,000 | 9,601 Direct | -17.24% | Disposed | 46.9% (price as of 2026-08-18) |
| March 4, 2024 | ALSN | S 10b5-1 | 2,564 | $75.40 | $193,326 | 5,695 Direct | -31.04% | Disposed | 65.6% (price as of 2026-08-18) |
| Feb. 27, 2024 | ALSN | S 10b5-1 | 1,399 | $75.12 | $105,093 | 5,695 Direct | -19.72% | Disposed | 66.2% (price as of 2026-08-18) |
| Feb. 14, 2024 | ALSN | S 10b5-1 | 512 | $70.00 | $35,840 | 5,695 Direct | -8.25% | Disposed | 78.4% (price as of 2026-08-18) |
| Aug. 10, 2023 | ALSN | S | 2,790 | $59.00 | $164,610 | 5,695 Direct | -32.88% | Disposed | 111.7% (price as of 2026-08-18) |
| Nov. 17, 2022 | ALSN | S 10b5-1 | 4,310 | $44.00 | $189,640 | 3,171 Direct | -57.61% | Disposed | 183.8% (price as of 2026-08-18) |
Showing latest 100 of 110 transactions
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.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Dec. 5, 2025 | ALSN | Dividend Equivalent Rights | Common Stock (9) | — | — | 9 | Acquired |
| Aug. 29, 2025 | ALSN | Dividend Equivalent Rights | Common Stock (9) | — | — | 9 | Acquired |
| May 30, 2025 | ALSN | Dividend Equivalent Rights | Common Stock (8) | — | — | 8 | Acquired |
| March 14, 2025 | ALSN | Dividend Equivalent Rights | Common Stock (9) | — | — | 9 | Acquired |
| Feb. 28, 2025 | ALSN | Performance Stock Units | Common Stock (6,354) | — | — | 6,354 | Disposed |
| Feb. 23, 2025 | ALSN | Dividend Equivalent Rights | Common Stock (51) | — | — | 51 | Disposed |
| Feb. 23, 2025 | ALSN | Restricted Stock Units | Common Stock (1,059) | — | — | 1,059 | Disposed |
| Feb. 22, 2025 | ALSN | Dividend Equivalent Rights | Common Stock (27) | — | — | 27 | Disposed |
| Feb. 22, 2025 | ALSN | Restricted Stock Units | Common Stock (937) | — | — | 937 | Disposed |
| Feb. 21, 2025 | ALSN | Dividend Equivalent Rights | Common Stock (7) | — | — | 7 | Disposed |
| Feb. 21, 2025 | ALSN | Restricted Stock Units | Common Stock (715) | — | — | 715 | Disposed |
| Feb. 19, 2025 | ALSN | Restricted Stock Units | Common Stock (1,151) | — | — | 1,151 | Acquired |
| Feb. 19, 2025 | ALSN | Employee Stock Option (right to buy) | Common Stock (3,455) | $103.78 | Feb. 19, 2035 | 3,455 | Acquired |
| Feb. 10, 2025 | ALSN | Performance Stock Units | Common Stock (6,354) | — | — | 6,354 | Acquired |
| Nov. 27, 2024 | ALSN | Dividend Equivalent Rights | Common Stock (10) | — | — | 10 | Acquired |
| Oct. 7, 2024 | ALSN | Employee Stock Option (right to buy) | Common Stock (1,741) | $37.11 | Feb. 21, 2027 | 1,741 | Disposed |
| Sept. 26, 2024 | ALSN | Employee Stock Option (right to buy) | Common Stock (2,000) | $37.11 | Feb. 21, 2027 | 2,000 | Disposed |
| Aug. 30, 2024 | ALSN | Dividend Equivalent Rights | Common Stock (12) | — | — | 12 | Acquired |
| Aug. 23, 2024 | ALSN | Employee Stock Option (right to buy) | Common Stock (2,202) | $23.59 | Feb. 17, 2026 | 2,202 | Disposed |
| Aug. 15, 2024 | ALSN | Employee Stock Option (right to buy) | Common Stock (2,000) | $23.59 | Feb. 17, 2026 | 2,000 | Disposed |
| May 31, 2024 | ALSN | Dividend Equivalent Rights | Common Stock (16) | — | — | 16 | Acquired |
| March 15, 2024 | ALSN | Dividend Equivalent Rights | Common Stock (16) | — | — | 16 | Acquired |
| Feb. 28, 2024 | ALSN | Performance Stock Units | Common Stock (3,634) | — | — | 3,634 | Disposed |
| Feb. 23, 2024 | ALSN | Dividend Equivalent Rights | Common Stock (41) | — | — | 41 | Disposed |
| Feb. 23, 2024 | ALSN | Restricted Stock Units | Common Stock (1,059) | — | — | 1,059 | Disposed |
| Feb. 22, 2024 | ALSN | Dividend Equivalent Rights | Common Stock (16) | — | — | 16 | Disposed |
| Feb. 22, 2024 | ALSN | Restricted Stock Units | Common Stock (936) | — | — | 936 | Disposed |
| Feb. 21, 2024 | ALSN | Restricted Stock Units | Common Stock (2,146) | — | — | 2,146 | Acquired |
| Feb. 21, 2024 | ALSN | Employee Stock Option (right to buy) | Common Stock (6,438) | $70.88 | Feb. 21, 2034 | 6,438 | Acquired |
| Feb. 12, 2024 | ALSN | Pefromance Stock Units | Common Stock (3,634) | — | — | 3,634 | Acquired |
| Feb. 10, 2024 | ALSN | Dividend Equivalent Rights | Common Stock (42) | — | — | 42 | Disposed |
| Feb. 10, 2024 | ALSN | Restricted Stock Units | Common Stock (744) | — | — | 744 | Disposed |
| Nov. 30, 2023 | ALSN | Dividend Equivalent Rights | Common Stock | — | — | 24 | Acquired |
| Nov. 30, 2023 | ALSN | Dividend Equivalent Rights | Common Stock (140) | — | — | 140 | Acquired |
| Aug. 31, 2023 | ALSN | Dividend Equivalent Rights | Common Stock (20) | — | — | 20 | Acquired |
| Aug. 10, 2023 | ALSN | Employee Stock Option (right to buy) | Common Stock (2,790) | $32.13 | Feb. 19, 2025 | 2,790 | Disposed |
| May 31, 2023 | ALSN | Dividend Equivalent Rights | Common Stock (26) | — | — | 26 | Acquired |
| March 17, 2023 | ALSN | Dividend Equivalent Rights | Common Stock (31) | — | — | 31 | Acquired |
| Feb. 25, 2023 | ALSN | Dividend Equivalent Rights | Common Stock (104) | — | — | 104 | Disposed |
| Feb. 25, 2023 | ALSN | Restricted Stock Units | Common Stock (1,796) | — | — | 1,796 | Disposed |
| Feb. 23, 2023 | ALSN | Dividend Equivalent Rights | Common Stock (21) | — | — | 21 | Disposed |
| Feb. 23, 2023 | ALSN | Restricted Stock Units | Common Stock (1,059) | — | — | 1,059 | Disposed |
| Feb. 22, 2023 | ALSN | Restricted Stock Units | Common Stock (2,810) | — | — | 2,810 | Acquired |
| Feb. 22, 2023 | ALSN | Employee Stock Option (right to buy) | Common Stock (8,430) | $47.35 | Feb. 22, 2033 | 8,430 | Acquired |
| Feb. 10, 2023 | ALSN | Dividend Equivalent Rights | Common Stock (30) | — | — | 30 | Disposed |
| Feb. 10, 2023 | ALSN | Restricted Stock Units | Common Stock (743) | — | — | 743 | Disposed |
| Nov. 30, 2022 | ALSN | Dividend Equivalent Rights | Common Stock (30) | — | — | 30 | Acquired |
| Nov. 17, 2022 | ALSN | Employee Stock Option (right to buy) | Common Stock (4,840) | $30.23 | — | 4,840 | Disposed |
| Aug. 31, 2022 | ALSN | Dividend Equivalent Rights | Common Stock (36) | — | — | 36 | Acquired |
| May 27, 2022 | ALSN | Dividend Equivalent Rights | Common Stock (33) | — | — | 33 | Acquired |
| March 18, 2022 | ALSN | Dividend Equivalent Rights | Common Stock (32) | — | — | 32 | Acquired |
| Feb. 23, 2022 | ALSN | Restricted Stock Units | Common Stock (3,177) | — | — | 3,177 | Acquired |
| Feb. 23, 2022 | ALSN | Employee Stock Option (right to buy) | Common Stock (9,531) | $39.42 | Feb. 23, 2032 | 9,531 | Acquired |
| Feb. 20, 2022 | ALSN | Dividend Equivalent Rights | Common Stock (78) | — | — | 78 | Disposed |
| Feb. 20, 2022 | ALSN | Restricted Stock Units | Common Stock (1,560) | — | — | 1,560 | Disposed |
| Feb. 10, 2022 | ALSN | Dividend Equivalent Rights | Common Stock (14) | — | — | 14 | Disposed |
| Feb. 10, 2022 | ALSN | Restricted Stock Units | Common Stock (743) | — | — | 743 | Disposed |
| Nov. 30, 2021 | ALSN | Dividend Equivalent Rights | Common Stock (30) | — | — | 30 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 14 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 12, 2024 | ALSN | Common Stock | — | Direct |
| Aug. 13, 2021 | ALSN | Common Stock | 1,084 | Direct |
| Aug. 13, 2021 | ALSN | Employee Stock Option (right to buy)→ Common Stock (4,840) | 4,840 | Direct |
| Aug. 13, 2021 | ALSN | Employee Stock Option (right to buy)→ Common Stock (2,790) | 2,790 | Direct |
| Aug. 13, 2021 | ALSN | Employee Stock Option (right to buy)→ Common Stock (4,202) | 4,202 | Direct |
| Aug. 13, 2021 | ALSN | Employee Stock Option (right to buy)→ Common Stock (3,741) | 3,741 | Direct |
| Aug. 13, 2021 | ALSN | Employee Stock Option (right to buy)→ Common Stock (4,735) | 4,735 | Direct |
| Aug. 13, 2021 | ALSN | Employee Stock Option (right to buy)→ Common Stock (4,681) | 4,681 | Direct |
| Aug. 13, 2021 | ALSN | Employee Stock Option (right to buy)→ Common Stock (5,388) | 5,388 | Direct |
| Aug. 13, 2021 | ALSN | Employee Stock Option (right to buy)→ Common Stock (6,690) | 6,690 | Direct |
| Aug. 13, 2021 | ALSN | Restricted Stock Units→ Common Stock (1,560) | 1,560 | Direct |
| Aug. 13, 2021 | ALSN | Restricted Stock Units→ Common Stock (1,796) | 1,796 | Direct |
| Aug. 13, 2021 | ALSN | Restricted Stock Units→ Common Stock (2,230) | 2,230 | Direct |
| Aug. 13, 2021 | ALSN | Dividend Equivalent Rights→ Common Stock (131) | 131 | Direct |