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Total declarations
Company
▲ Purchases (2 ops.)
▼ Sales (3 ops.)
Latest filing published 21 Aug 2026 for Longeveron Inc.. Read the official filing
Filing timeline
BuySaleRock Soffer
Insider track record
Disclosed buys
2
Disclosed sells
3
T+90 hit rate
100%
T+90 mean return
+128.1%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Rock Soffer: trading record in brief
Rock Soffer appears in our data through filings on Longeveron Inc. shares, published by SEC (Form 4). Between 12 May 2021 and 19 August 2026, the trades on record add up to 12 filings.
On the open market, the record shows 2 purchases worth €244k and 3 sales worth €71k. Taken together, the purchases exceed the sales by €173k. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. The rest of the record consists of 4 share grants and 1 option exercise.
Most recently, on 21 August 2026, the filings show a share grant in Longeveron Inc. The clock since the last published purchase (12 April 2024) now reads 919 days. The median gap between a trade and its publication by SEC (Form 4) is 2 days. For comparison, the SEC allows two business days to file a Form 4. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
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Declarations12 total
36,000 shares0Class A Common StockSEC:0001214659-26-010741:0
17,000 shares0Class A Common StockSEC:0001214659-25-010576:0
10,000 shares@ US$1.302.9% of flowClass A Common StockSEC:0001214659-25-008715:0
2,000 shares@ US$1.320.6% of flowClass A Common StockSEC:0001214659-25-008397:0
23,500 shares0Class A Common StockSEC:0001214659-24-014988:0
106,383 shares@ US$2.3560.4% of flowClass A Common StockSEC:0001214659-24-006771:0
Canonical exit: 9 Jul 2024 (T+90)
30,000 shares@ US$3.0021.8% of flowCommon StockSEC:0001214659-23-012293:0
7,500 shares@ US$8.05814.3% of flowCommon stockSEC:0001214659-22-007393:0
500,182 shares0Common StockSEC:0001214659-22-007227:0
139,912 shares0Common StockSEC:0001214659-22-005332:0
3,900 shares@ US$3.452.9% of flowCommon stockSEC:0001214659-21-010459:0
Canonical exit: 9 Jan 2022 (T+90)
5,000 shares0Common StockSEC:0001213900-21-026422:0
12 of 12 declarations
