SEIFFER JONATHAN A
SEC insider (Form 3/4/5 filer). CIK 0001243592. Director & 10% Owner at Mister Car Wash, Inc. (MCW) and 2 other issuers. 4 reported Form 4/5 transactions since Sep 2024; latest on May 19, 2026. Located in LOS ANGELES, CA.
Companies SEIFFER JONATHAN A has filed insider reports for
- Mister Car Wash, Inc. (MCW): Director, 10% Owner
- AerSale Corp (ASLE)
- SIGNET JEWELERS LTD (SIG): Director
SEIFFER JONATHAN A
CIK: 0001243592
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)2 (50.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)0 (0.0%)
Compensation grants
Other (G, F, J, C, D, …)2 (50.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (4 total)
- May 19, 2026MCW
Mister Car Wash, Inc.
OtherIndirect219.2M shares at avg. $7.00$1.5B - Mar 14, 2025ASLE
AerSale Corp
DispositionIndirect6.4M shares at avg. $7.00$45.0M - Oct 21, 2024SIG
SIGNET JEWELERS LTD
SaleIndirectSeries A Convertible Preference Shares
102.5K shares at avg. $99.25- - Sep 30, 2024SIG
SIGNET JEWELERS LTD
SaleIndirectSeries A Convertible Preference Shares
110K shares at avg. $92.17-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 19, 2026 |  MCW Mister Car Wash, Inc. | Other | 219,213,079 | $7.00 | $1,534,491,553 | Indirect |
| Mar 14, 2025 |  ASLE AerSale Corp | Disposition | 6,428,571 | $7.00 | $44,999,997 | Indirect |
| Oct 21, 2024 |  SIG SIGNET JEWELERS LTD | Sale Series A Convertible Preference Shares | 102,500 | $99.25 | - | Indirect |
| Sep 30, 2024 | SIG SIGNET JEWELERS LTD | Sale Series A Convertible Preference Shares | 110,000 | $92.17 | - | Indirect |
1-4 of 4 transactions