Gregory A. Ciongoli
CIK 2023732 · View on SEC EDGAR ↗
Insider
Activist
First SEC filing: May 16, 2025 · Latest: June 11, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 5 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 |
|---|---|---|---|---|---|---|---|---|---|
| June 9, 2026 | ATRA | A | 12,000 | — | — | 12,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 12, 2026 | ZYME | A | 11,500 | — | — | 11,500 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 12, 2026 | ZYME | A | 7,700 | — | — | 7,700 Direct | — | Acquired | (price as of 2026-08-21) |
| Aug. 12, 2025 | ZYME | A | 415,000 | $12.02 | $4,988,300 | 488,500 Direct | +564.63% | Acquired | 125.0% (price as of 2026-08-21) |
| Aug. 11, 2025 | ZYME | A | 62,000 | — | — | 62,000 Direct | — | Acquired | (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Jan. 12, 2026 | ZYME | Stock Option (Right to Buy) | Common Stock (11,500) | $23.16 | Jan. 11, 2036 | 11,500 | Acquired |
| Jan. 12, 2026 | ZYME | Restricted Stock Unit | Common Stock (7,700) | — | Jan. 12, 2027 | 7,700 | Acquired |
| Aug. 11, 2025 | ZYME | Stock Option (Right to Buy) | Common Stock (62,000) | $12.44 | Aug. 10, 2035 | 62,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.