Michael Anthony Costonis
CIK 1758026 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 5, 2018 · Latest: March 17, 2023
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 11 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 15, 2023 | CNA | F | 16,998 | $36.84 | $626,206 | 124,664 Direct | -12.00% | Disposed | 34.3% (price as of 2026-08-20) |
| March 15, 2023 | CNA | A | 33,489 | — | — | 141,662 Direct | +30.96% | Acquired | (price as of 2026-08-20) |
| March 15, 2022 | CNA | F | 6,681 | $46.82 | $312,804 | 108,173 Direct | -5.82% | Disposed | 5.7% (price as of 2026-08-20) |
| March 15, 2022 | CNA | A | 31,970 | — | — | 114,854 Direct | +38.57% | Acquired | (price as of 2026-08-20) |
| March 15, 2021 | CNA | F | 2,235 | $45.98 | $102,765 | 82,884 Direct | -2.63% | Disposed | 7.6% (price as of 2026-08-20) |
| March 15, 2021 | CNA | A | 39,086 | — | — | 85,119 Direct | +84.91% | Acquired | (price as of 2026-08-20) |
| March 1, 2021 | CNA | F | 2,014 | $43.41 | $87,428 | 46,033 Direct | -4.19% | Disposed | 14.0% (price as of 2026-08-20) |
| March 15, 2020 | CNA | A | 15,366 | — | — | 48,047 Direct | +47.02% | Acquired | (price as of 2026-08-20) |
| March 1, 2020 | CNA | F | 4,051 | $41.30 | $167,306 | 32,681 Direct | -11.03% | Disposed | 19.8% (price as of 2026-08-20) |
| March 15, 2019 | CNA | A | 5,141 | — | — | 36,732 Direct | +16.27% | Acquired | (price as of 2026-08-20) |
| March 1, 2019 | CNA | F | 4,051 | $43.45 | $176,016 | 31,591 Direct | -11.37% | Disposed | 13.9% (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) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Nov. 5, 2018 | CNA | Common Stock [F1] | 35,642 | Direct |