Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 28 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.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 10, 2026 ZTS A 260 $26.22 $6,817 2,365 Direct +12.35% Acquired 165.8% (price as of 2026-10-02)
April 10, 2026 ZTS A 231 $39.64 $9,157 2,105 Direct +12.33% Acquired 75.8% (price as of 2026-10-02)
March 31, 2026 ZTS M 1,528 · · 3,870 Direct +65.24% Acquired (price as of 2026-10-02)
March 31, 2026 ZTS F 524 $118.21 $61,942 3,346 Direct -13.54% Disposed -41.0% (price as of 2026-10-02)
March 31, 2026 ZTS M 1,528 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
March 27, 2026 ZTS A 627 $38.20 $23,951 1,874 Direct +50.28% Acquired 82.4% (price as of 2026-10-02)
Feb. 19, 2026 ZTS M 386 · · 2,496 Direct +18.29% Acquired (price as of 2026-10-02)
Feb. 19, 2026 ZTS F 154 $127.28 $19,601 2,342 Direct -6.17% Disposed -45.2% (price as of 2026-10-02)
Feb. 19, 2026 ZTS M 387 · · 773 Direct -33.36% Disposed (price as of 2026-10-02)
Feb. 18, 2026 ZTS A 2,674 · · 2,674 Direct · Acquired (price as of 2026-10-02)
Feb. 18, 2026 ZTS A 10,581 · · 10,581 Direct · Acquired (price as of 2026-10-02)
Feb. 6, 2026 ZTS M 119 · · 2,158 Direct +5.84% Acquired (price as of 2026-10-02)
Feb. 6, 2026 ZTS F 48 $127.42 $6,116 2,110 Direct -2.22% Disposed -45.3% (price as of 2026-10-02)
Feb. 6, 2026 ZTS M 119 · · 120 Direct -49.79% Disposed (price as of 2026-10-02)
Jan. 9, 2026 ZTS A 150 $42.42 $6,363 1,248 Direct +13.66% Acquired 64.3% (price as of 2026-10-02)
Oct. 10, 2025 ZTS A 159 $46.71 $7,427 1,098 Direct +16.93% Acquired 49.2% (price as of 2026-10-02)
July 11, 2025 ZTS A 125 $50.86 $6,358 940 Direct +15.34% Acquired 37.0% (price as of 2026-10-02)
April 4, 2025 ZTS A 131 $49.66 $6,505 815 Direct +19.15% Acquired 40.3% (price as of 2026-10-02)
March 31, 2025 ZTS M 1,506 · · 2,555 Direct +143.57% Acquired (price as of 2026-10-02)
March 31, 2025 ZTS F 516 $164.65 $84,959 2,039 Direct -20.20% Disposed -57.7% (price as of 2026-10-02)
March 31, 2025 ZTS M 1,506 · · 1,506 Direct -50.00% Disposed (price as of 2026-10-02)
March 28, 2025 ZTS A 353 $53.18 $18,773 684 Direct +106.65% Acquired 31.0% (price as of 2026-10-02)
Feb. 19, 2025 ZTS A 1,143 · · 1,143 Direct · Acquired (price as of 2026-10-02)
Feb. 19, 2025 ZTS A 4,453 · · 4,453 Direct · Acquired (price as of 2026-10-02)
Feb. 6, 2025 ZTS M 117 · · 1,096 Direct +11.95% Acquired (price as of 2026-10-02)
Feb. 6, 2025 ZTS F 47 $174.12 $8,184 1,049 Direct -4.29% Disposed -60.0% (price as of 2026-10-02)
Feb. 6, 2025 ZTS M 118 · · 236 Direct -33.33% Disposed (price as of 2026-10-02)
Jan. 10, 2025 ZTS A 105 $53.05 $5,570 331 Direct +46.46% Acquired 31.4% (price as of 2026-10-02)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
July 10, 2026 ZTS Phantom Stock Unit [F1] Common Stock (90) · · 260 Acquired
April 10, 2026 ZTS Phantom Stock Unit [F1] Common Stock (78) · · 231 Acquired
March 31, 2026 ZTS Restricted Stock Unit [F2] Common Stock (1,528) · · 1,528 Disposed
March 27, 2026 ZTS Phantom Stock Unit [F1] Common Stock (211) · · 627 Acquired
Feb. 19, 2026 ZTS Restricted Stock Unit [F2] Common Stock (387) · · 387 Disposed
Feb. 18, 2026 ZTS Restricted Stock Unit [F1] Common Stock (2,674) · · 2,674 Acquired
Feb. 18, 2026 ZTS Stock Option [F8] Common Stock (10,581) $129.13 · 10,581 Acquired
Feb. 6, 2026 ZTS Restricted Stock Unit [F2] Common Stock (119) · · 119 Disposed
Jan. 9, 2026 ZTS Phantom Stock Unit [F1] Common Stock (50) · · 150 Acquired
Oct. 10, 2025 ZTS Phantom Stock Unit [F1] Common Stock (52) · · 159 Acquired
July 11, 2025 ZTS Phantom Stock Unit [F1] Common Stock (41) · · 125 Acquired
April 4, 2025 ZTS Phantom Stock Unit [F1] Common Stock (43) · · 131 Acquired
March 31, 2025 ZTS Restricted Stock Unit [F4] Common Stock (1,506) · · 1,506 Disposed
March 28, 2025 ZTS Phantom Stock Unit [F2] Common Stock (115) · · 353 Acquired
Feb. 19, 2025 ZTS Restricted Stock Unit [F1] Common Stock (1,143) · · 1,143 Acquired
Feb. 19, 2025 ZTS Stock Option [F7] Common Stock (4,453) $156.64 · 4,453 Acquired
Feb. 6, 2025 ZTS Restricted Stock Unit [F2] Common Stock (118) · · 118 Disposed
Jan. 10, 2025 ZTS Phantom Stock Unit [F1] Common Stock (34) · · 105 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 5 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Nov. 14, 2024 ZTS Common Stock 979 Direct
Nov. 14, 2024 ZTS Restricted Stock Unit [F1]→ Common Stock (353) 353 Direct
Nov. 14, 2024 ZTS Restricted Stock Unit [F1]→ Common Stock (3,003) 3,003 Direct
Nov. 14, 2024 ZTS Stock Option [F6]→ Common Stock (3,142) 3,142 Direct
Nov. 14, 2024 ZTS Stock Option [F6]→ Common Stock (1,348) 1,348 Direct