| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
EVP & Chief Operating Officer | EVP, Bus Ops & Compliance | EVP, Chief Business/ Compliance +2 more
1 company
David B Berger last filed a Form 4 in November 2023, as EVP & Chief Operating Officer at TNDM. David B Berger's net worth is not public. Form 4 filings only show shares in the companies where this person was an insider, as of the last filing.
Our model assigns David B Berger a strong insider score of 79/100, based on 20 past trades. Over a 12-month horizon, 95.0% of those trades were profitable, with an average 12-month return of +48.5%.
At the last filing, the largest reported position was 6,338 shares of TNDM. The TNDM filings lean toward selling, a net 197,056 shares.
David B Berger has 63 Form 4 filings on record from February 2016 to November 2023, all as EVP & Chief Operating Officer at Tandem Diabetes Care (TNDM), 2016–2023.
The 154 reported transactions were 61 option exercises, 50 open-market sales, 21 tax withholdings and 16 option or other derivative awards, plus smaller numbers of other types.
Counted by filing, the open-market trades come to no purchases and 36 sales worth about $15.7M.
The largest open-market sale was 12,000 shares of TNDM at an average $144.25 on December 15, 2021, about $1.7M. Twelve months later TNDM was down 72%.
Shares as reported in the last Form 4 for each company; the most recent is from November 2023. Values use today's prices. Any trades after the last filing were not reported, so current holdings may differ.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 3, 2023 | TNDM Tandem Diabetes Care Inc | EVP & Chief Operating Officer | Sale+OE | 10,000 | $41.19 | $411,884.00 | -74.8% | -41.0% | -33.7% | |
| Dec 16, 2022 | TNDM Tandem Diabetes Care Inc | EVP & Chief Operating Officer | Sale+OE | 25,000 | $40.29 | $1,007,300.00 | -89.2% | -0.1% | -30.9% | |
| Jun 8, 2022 | TNDM Tandem Diabetes Care Inc | EVP & Chief Operating Officer | Sale+OE | 10,097 | $65.02 | $656,515.00 | -80.4% | -33.7% | -63.4% | |
| Apr 1, 2022 | TNDM Tandem Diabetes Care Inc | EVP & Chief Operating Officer | Sale+OE | 1,000 | $117.88 | $117,879.80 | -17.5% | -51.1% | -66.5% | |
| Mar 16, 2022 | TNDM Tandem Diabetes Care Inc | EVP & Chief Operating Officer | Sale+OE | 5,000 | $108.37 | $541,843.00 | -51.5% | -50.2% | -62.1% | |
| Mar 1, 2022 | TNDM Tandem Diabetes Care Inc | EVP & Chief Operating Officer | Sale+OE | 1,000 | $112.68 | $112,680.00 | -17.5% | -39.7% | -67.5% | |
| Feb 1, 2022 | TNDM Tandem Diabetes Care Inc | EVP, Bus Ops & Compliance | Sale+OE | 1,000 | $117.91 | $117,908.76 | -18.3% | -18.6% | -65.5% | |
| Jan 3, 2022 | TNDM Tandem Diabetes Care Inc | EVP, Bus Ops & Compliance | Sale+OE | 1,000 | $149.16 | $149,163.30 | -18.3% | -20.5% | -70.3% | |
| Dec 15, 2021 | TNDM Tandem Diabetes Care Inc | EVP, Bus Ops & Compliance | Sale+OE | 12,000 | $144.25 | $1,731,000.00 | -72.9% | -29.0% | -72.0% | |
| Dec 1, 2021 | TNDM Tandem Diabetes Care Inc | EVP, Bus Ops & Compliance | Sale+OE | 1,000 | $128.44 | $128,440.00 | -18.3% | -9.4% | -65.8% |