Mark Milton Gitin
CIK 1842711 · View on SEC EDGAR ↗
Insider
First SEC filing: June 7, 2024 · Latest: June 8, 2026
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 56 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
56 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 30, 2021 | MKSI | S | 1,301 | $181.79 | $236,509 | 4,338 Direct | -23.07% | Disposed | 57.0% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 15, 2024 | MKSI | Restricted Stock Unit | Common Stock (1,030) | — | — | 1,030 | Disposed |
| Feb. 15, 2024 | MKSI | Restricted Stock Unit | Common Stock (1,988) | — | — | 1,988 | Disposed |
| Feb. 15, 2024 | MKSI | Restricted Stock Unit | Common Stock (907) | — | — | 907 | Disposed |
| Feb. 15, 2024 | MKSI | Restricted Stock Unit | Common Stock (1,260) | — | — | 1,260 | Disposed |
| Feb. 15, 2024 | MKSI | Restricted Stock Unit | Common Stock (552) | — | — | 552 | Disposed |
| Feb. 15, 2024 | MKSI | Restricted Stock Unit | Common Stock (1,104) | — | — | 1,104 | Disposed |
| Feb. 15, 2024 | MKSI | Restricted Stock Unit | Common Stock (2,907) | — | — | 2,907 | Acquired |
| Feb. 5, 2024 | MKSI | Restricted Stock Unit | Common Stock (5,966) | — | — | 5,966 | Acquired |
| April 17, 2023 | MKSI | Restricted Stock Unit | Common Stock (1,797) | — | — | 1,797 | Disposed |
| Feb. 15, 2023 | MKSI | Restricted Stock Unit | Common Stock (906) | — | — | 906 | Disposed |
| Feb. 15, 2023 | MKSI | Restricted Stock Unit | Common Stock (1,260) | — | — | 1,260 | Disposed |
| Feb. 15, 2023 | MKSI | Restricted Stock Unit | Common Stock (552) | — | — | 552 | Disposed |
| Feb. 15, 2023 | MKSI | Restricted Stock Unit | Common Stock (1,103) | — | — | 1,103 | Disposed |
| Feb. 15, 2023 | MKSI | Restricted Stock Unit | Common Stock (3,091) | — | — | 3,091 | Acquired |
| Feb. 8, 2023 | MKSI | Restricted Stock Unit | Common Stock (3,780) | — | — | 3,780 | Acquired |
| April 29, 2022 | MKSI | Restricted Stock Unit | Common Stock (2,720) | — | — | 2,720 | Acquired |
| April 18, 2022 | MKSI | Restricted Stock Unit | Common Stock (1,797) | — | — | 1,797 | Disposed |
| Feb. 15, 2022 | MKSI | Restricted Stock Unit | Common Stock (551) | — | — | 551 | Disposed |
| Feb. 15, 2022 | MKSI | Restricted Stock Unit | Common Stock (1,103) | — | — | 1,103 | Disposed |
| Jan. 21, 2022 | MKSI | Restricted Stock Unit | Common Stock (3,310) | — | — | 3,310 | Acquired |
| Jan. 11, 2022 | MKSI | Restricted Stock Unit | Common Stock (2,283) | — | — | 2,283 | Disposed |
| April 19, 2021 | MKSI | Restricted Stock Unit | Common Stock (1,797) | — | — | 1,797 | Disposed |
| April 13, 2021 | MKSI | Restricted Stock Unit | Common Stock (713) | — | — | 713 | Disposed |
| Feb. 16, 2021 | MKSI | Restricted Stock Unit | Common Stock (1,655) | — | — | 1,655 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 7, 2024 | IPGP | Common Stock | 0 | Direct |
| Feb. 9, 2021 | MKSI | Common Stock | 4,337 | Direct |
| Feb. 9, 2021 | MKSI | Restricted Stock Unit→ Common Stock (713) | 713 | Direct |
| Feb. 9, 2021 | MKSI | Restricted Stock Unit→ Common Stock (2,283) | 2,283 | Direct |
| Feb. 9, 2021 | MKSI | Restricted Stock Unit→ Common Stock (5,391) | 5,391 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
MKSI
Sr. Vice President, General Manager of Light & Motion Division(1)| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2021 | $449,182 | — | — | — | $583,671 | — | $30,834 | $1,633,687 |
IPGP
CEO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $879,423 | — | — | — | $1,159,600 | — | $32,477 | $9,071,490 |
| 2024 | $411,346 | $775,000 | — | — | — | — | $514,720 | $6,700,825 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.