Pegasystems Inc Form 4 Filings

Pegasystems Inc. (PEGA) reported that Efstathios A. Kouninis, its SVP and Chief Accounting Officer, sold 982 shares of common stock on September 16, 2026, in a sale described as an open market or private transaction at $37.35 per share. Following this transaction, he directly holds 1,009 shares of Pegasystems common stock, and no Rule 10b5-1 trading plan is reported for this sale.

PEGASYSTEMS INC (PEGA) reported that Alan N. Trefler, its C.E.O., Chairman and ten percent owner, made a series of internal trust transfers of 10,798,606 shares of common stock on September 14, 2026. Two grantor retained annuity trusts each transferred their holdings by bona fide gift to an irrevocable trust associated with Trefler.

After these transfers, Trefler reports 58,504,872 shares held directly, 16,275,828 shares held indirectly through the Alan N. Trefler Irrevocable Non-GST Trust of 2022, and 2,071,585 shares held indirectly through The Trefler 2025 Trust. No Rule 10b5-1 trading plan is reported.

PEGASYSTEMS INC (PEGA) reported that Chief Product Officer Rifat Kerim Akgonul sold 7,000 shares of common stock on September 11, 2026, in an open-market or private transaction at approximately $36.03 per share. Following this sale, he directly holds 104,804 PEGASYSTEMS common shares. No Rule 10b5-1 trading plan is reported.

PEGASYSTEMS INC (PEGA) reported that its COO and CFO, Kenneth Stillwell, sold 39,627 shares of common stock on September 11, 2026 in an open-market transaction at a weighted-average price of $35.7695 per share, with prices ranging from $35.74 to $35.835. After this sale, he directly holds 95,225 shares and indirectly holds 1,908 shares through his children. No Rule 10b5-1 trading plan is reported.

PEGASYSTEMS INC (PEGA) reported that Leon Trefler, Chief of Clients and Markets, exercised restricted stock units into a total of 6,476 shares of common stock on September 4, 5, and 7, 2026. In related transactions, 2,549 shares of common stock were delivered or withheld to cover payment of exercise price or tax liability. No Rule 10b5-1 trading plan is reported.

PEGASYSTEMS INC (PEGA) reported equity compensation activity by COO and CFO Kenneth Stillwell. On September 4, 5, and 7, 2026, he exercised restricted stock units that delivered a total of 12,854 shares of common stock, each unit converting into one share following vesting. On the same dates, 5,060 shares of common stock were delivered or withheld to cover exercise price or tax liabilities at per-share prices of $37.36 and $37.72. The filing also reports 1,908 shares of common stock held indirectly for the reporting person’s children.

PEGASYSTEMS INC (PEGA) reported that Efstathios A. Kouninis, its SVP and Chief Accounting Officer, exercised restricted stock units into common stock on September 4–7, 2026. A total of 1,096 RSUs converted into common shares, and 269 shares of common stock were withheld or delivered to cover exercise price or tax liabilities. No Rule 10b5‑1 trading plan is reported.

PEGASYSTEMS INC (PEGA) reported that officer John Gerard Higgins exercised previously granted restricted stock units into common stock on September 4, 5, and 7, 2026, and had shares withheld to cover payment of exercise price or tax liability.

The transactions involve RSUs that vest 25% on the initial exercisable date and the remaining 75% in equal quarterly installments over three years, with no Rule 10b5-1 trading plan indicated.

PEGASYSTEMS INC (PEGA) reported that Chief Product Officer Rifat Kerim Akgonul exercised previously granted restricted stock units into common stock on three dates in early September 2026. On each date, shares of common stock were issued upon vesting and a portion of those shares was delivered or withheld to cover exercise price or tax liability.

PEGASYSTEMS INC (PEGA) reported that Efstathios A. Kouninis, its SVP and Chief Accounting Officer, exercised options on September 3, 2026 to acquire 2,500 shares of common stock at an exercise price of $16.95 per share. The options, which vest in equal quarterly amounts over four years beginning February 2, 2023, left him with 6,800 options remaining after the exercise. Of the newly acquired shares, 1,437 shares were delivered or withheld to pay the exercise price or related tax liability at $38.75 per share, and 1,063 shares were sold at $38.75 per share. No transactions are reported as being made under a Rule 10b5-1 trading plan.

For PEGASYSTEMS INC (PEGA), Chief of Clients and Markets Leon Trefler reported an automatic exercise of 1,176 Restricted Stock Units into an equal number of common shares on September 1, 2026. In connection with this vesting, 463 common shares were delivered or withheld to cover the exercise price or tax liability. Each RSU represents the right to receive one share of common stock, with 20% vesting on March 1, 2023 and the remaining 80% vesting in equal quarterly installments over four years. No Rule 10b5-1 trading plan is reported.

PEGASYSTEMS INC (PEGA) reported that COO and CFO Kenneth Stillwell exercised 2,350 restricted stock units into an equal number of shares of common stock on September 1, 2026. Of these, 925 shares were delivered or withheld at $36.81 per share to pay the exercise price or tax liability, leaving a net acquisition of shares from this vesting event. Following the transaction, Stillwell holds 4,702 restricted stock units, and 1,908 common shares are held indirectly for the reporting person’s children. No Rule 10b5-1 trading plan is reported.

PEGASYSTEMS INC (PEGA) reported insider equity activity by John Gerard Higgins, Chief, Client & Partner Success, involving the vesting and settlement of restricted stock units on September 1, 2026. Higgins exercised 1,402 restricted stock units into an equal number of common shares at a conversion price of $0.00 per share. To cover the exercise price or related tax obligations, a total of 783 common shares were delivered or withheld at $36.81 per share across three transactions. No Rule 10b5-1 trading plan is reported for these transactions.

PEGASYSTEMS INC (PEGA) reported that Chief Product Officer Rifat Kerim Akgonul exercised previously granted restricted stock units on September 1, 2026, converting 1,176 RSUs into an equal number of shares of common stock. In connection with this vesting, 569 common shares were delivered or withheld to cover payment of exercise price or tax liability. Following the RSU exercise, Akgonul held 2,350 restricted stock units directly. No Rule 10b5-1 trading plan is reported for these transactions.

PEGASYSTEMS INC (PEGA) senior vice president and chief accounting officer Efstathios A. Kouninis reported multiple equity transactions. On August 31, 2026 he exercised options for 2,500 shares at $16.95 per share, with 1,488 shares delivered or withheld to cover the exercise price or tax obligations and 1,012 shares sold at $36.50 per share. On September 1, 2026, 206 restricted stock units converted into common stock, with 51 shares delivered or withheld to cover obligations at $36.81 per share. After these transactions, he continues to hold 9,300 options and 412 restricted stock units, and the transactions are not reported as made under a Rule 10b5-1 trading plan.

PEGASYSTEMS INC (PEGA) reported that Chief Product Officer Rifat Kerim Akgonul sold a total of 3,000 shares of common stock on 2026-08-25. The sales were reported as open-market or private transactions at prices of $33.9801 and $34.00 per share. Post-transaction share holdings were not reported in this filing.

PEGASYSTEMS INC (PEGA) director Dianne Ledingham reported an internal reallocation of holdings through bona fide gift transactions dated 2026-08-25. She transferred 6,242 shares of common stock from her direct ownership to the Dianne Ledingham Family Legacy Trust. Her directly held shares decreased to 0, while the trust’s indirect holdings increased to 40,280 shares. The reported gifts were at a stated price of $0.00 per share.

PEGASYSTEMS INC (PEGA) director Larry Weber reported equity compensation awards for his annual board term. He received 3,868 shares of unrestricted common stock as director consideration, increasing his direct common stock holdings to 14,500 shares. He was also granted a fully vested non-statutory stock option for 7,947 shares of common stock at an exercise price of $32.32 per share, expiring on August 15, 2036, also as consideration for his director service.

PEGASYSTEMS INC (PEGA) director Sharon T. Rowlands reported equity awards for board service. On 2026-08-15, she received 3,868 shares of unrestricted common stock as consideration for her annual director term. The same day, she was granted a non-statutory stock option for 7,947 shares of common stock, fully vested on issuance, with an exercise price of $32.32 per share and an expiration date of 2036-08-15. Following these awards, she directly holds 3,868 common shares and the reported option, and indirectly holds 67,730 common shares through the “Sharon T. Rowlands Living Trust u/a/d 01/03/2020.”

PEGASYSTEMS INC (PEGA) director Dianne Ledingham reported equity awards related to her board service. She received 3,868 shares of unrestricted common stock on August 15, 2026 as consideration for her annual term as a director, increasing her directly held common stock to 6,242 shares. On the same date, she was also granted a non-statutory stock option covering 7,947 shares of common stock at an exercise price of $32.32 per share, fully vested on issuance and expiring August 15, 2036. In addition to these direct holdings, 34,038 shares of common stock are held indirectly through the Dianne Ledingham Family Legacy Trust.

PEGASYSTEMS INC (PEGA) reported that Director Christopher LaFond received equity awards as compensation for his annual board term. He acquired 3,868 shares of unrestricted common stock and a fully vested non-statutory stock option for 7,947 shares at an exercise price of $32.32 per share, expiring on August 15, 2036. Following these awards, he directly holds 25,548 shares of common stock.

PEGASYSTEMS INC (PEGA) director Richard H. Jones reported compensation-related equity awards. On 2026-08-15 he received 3,868 shares of unrestricted common stock as consideration for his annual director service and a fully vested non-statutory stock option for 7,947 shares at an exercise price of $32.32, expiring 2036-08-15. The filing also lists indirect holdings of common stock through several family trusts.

PEGASYSTEMS INC (PEGA) reported that Director Peter Gyenes received equity compensation for his annual board term. He was granted 3,868 shares of unrestricted common stock and a fully vested non-statutory stock option for 7,947 shares of common stock at an exercise price of $32.32 per share, expiring on 2036-08-15. Following these grants, he directly holds 30,586 shares of common stock.

PEGASYSTEMS INC (PEGA) reported equity compensation grants to Director Rohit Ghai. He received 3,868 shares of unrestricted common stock as consideration for his annual board service, bringing his direct common stock holdings to 7,266 shares after the transaction.

He was also granted a fully vested, non-statutory stock option for 7,947 shares of common stock at an exercise price of $32.32 per share, expiring on August 15, 2036. This option grant is also compensation for his annual director term, and he now directly holds 7,947 options.

Pegasystems Inc. executive Kenneth Stillwell, the COO and CFO, reported a set of option-related transactions in company stock. He exercised 25,920 stock options at an exercise price of $16.95 per share, receiving an equivalent number of common shares. On the same date, 18,292 common shares were delivered or withheld to pay the exercise price or tax liability at $32.93 per share. The option series being exercised vests in 16 equal quarterly installments over four years beginning on the stated exercisable date. In addition, 1,908 common shares are reported as held indirectly for the reporting person’s children.

Pegasystems Inc senior vice president and chief accounting officer Efstathios A. Kouninis reported two open-market sales of common stock. On August 7, 2026 he sold 860 shares at $32.30 per share, and on August 10, 2026 he sold another 860 shares at $33.10 per share, for total reported sales of 1,720 shares. The transactions were reported as directly owned and not made under a Rule 10b5-1 trading plan.

Pegasystems Inc. senior executive EFSTATHIOS A. KOUNINIS reported selling company stock. As SVP and Chief Accounting Officer, he completed open-market sales totaling 750 shares of Pegasystems common stock on June 16, 2026 at prices around $32.31 per share, according to a Form 4 insider filing.

Pegasystems Inc. executive Leon Trefler reported routine equity compensation activity involving restricted stock units and related tax withholding. On the reported date, he exercised 2,658 restricted stock units into an equal number of common shares and had 1,046 of those shares withheld to cover tax obligations.

After these transactions, Trefler directly held 123,011 shares of Pegasystems common stock and 7,974 restricted stock units. The filing characterizes the disposition as payment of tax liability by delivering securities rather than an open-market sale.

Pegasystems COO and CFO Kenneth Stillwell reported routine equity compensation activity involving restricted stock units and related tax withholding. On June 7, 2026, he exercised RSUs that delivered 5,222 shares of common stock. To cover tax obligations, 2,055 shares were disposed of at $34.71 per share through a tax-withholding mechanism rather than an open-market sale.

After these transactions, Stillwell directly held 117,752 shares of Pegasystems common stock. In addition, 1,908 shares were reported as indirectly owned through his children. The filing notes that each restricted stock unit converts into one share of common stock after vesting, with this award vesting 25% initially and the remainder in equal quarterly installments over three years.

Pegasystems SVP and Chief Accounting Officer Efstathios Kouninis exercised 332 restricted stock units into common stock on June 7, 2026. To cover tax obligations, 81 shares of common stock were withheld in a tax-related disposition. Following these routine compensation transactions, he holds 3,126 common shares directly and 998 unvested restricted stock units that continue to vest over time.

Pegasystems Inc. executive John Gerard Higgins reported routine equity compensation activity. He exercised 2,278 restricted stock units into common stock and, in a separate transaction, 1,272 common shares were withheld to cover tax obligations at a value of $34.71 per share. Following these transactions, he directly holds 56,463 shares of common stock and 6,836 restricted stock units that continue to vest over time.

Pegasystems Inc. Chief Product Officer Rifat Kerim Akgonul reported routine equity compensation transactions. He exercised 2,278 restricted stock units into common stock at a stated price of $0.00 per share, reflecting vesting of previously granted awards.

To cover tax obligations, 1,102 common shares were disposed of at $34.71 per share as a tax-withholding transaction, not an open-market sale. After the derivative exercise, his direct common stock holdings were reported as 111,925 shares, and 6,836 restricted stock units remained outstanding.

PEGASYSTEMS INC executive John Gerard Higgins reported routine equity compensation activity involving restricted stock units and common shares. On June 4 and 5, 2026, he exercised restricted stock units into a total of 3,816 shares of common stock and had 2,130 shares withheld to cover tax liabilities through tax-withholding dispositions. Each restricted stock unit converts into one share of common stock upon vesting, with 25% vesting initially and the remaining 75% in equal quarterly installments over three years. After these transactions, he directly held 55,457 shares of PEGASYSTEMS common stock.

Pegasystems Inc. SVP and Chief Accounting Officer Efstathios A. Kouninis reported routine equity compensation activity. On June 4–5, 2026, restricted stock units converted into a total of 764 shares of common stock, with 187 shares withheld to cover tax obligations. Following these transactions, he directly holds 2,875 common shares. These were compensation-related derivative exercises and tax-withholding dispositions, not open‑market purchases or sales.

PEGASYSTEMS INC COO and CFO Kenneth Stillwell reported routine equity compensation activity involving restricted stock units and related tax withholding. On June 4, he exercised 3,230 restricted stock units into the same number of common shares, with 1,272 shares withheld at $35.11 per share to cover tax obligations. On June 5, he exercised another 4,402 restricted stock units, with 1,733 shares withheld at $35.44 per share for taxes. Following these transactions, he directly held 114,585 common shares, and an additional 1,908 shares were reported as indirectly owned for his children.

Pegasystems executive Leon Trefler reported routine equity compensation activity. On June 4–5, 2026, he exercised restricted stock units that delivered a total of 3,816 shares of PEGASYSTEMS INC common stock, and 1,502 shares were withheld to cover tax obligations. Following these transactions, he directly holds 121,399 shares of common stock and 15,408 restricted stock units that can convert into common shares as they vest over time. These events reflect compensation-related vesting and tax withholding rather than open-market buying or selling.

Pegasystems Inc Chief Product Officer Rifat Kerim Akgonul exercised restricted stock units into common stock and used some shares to cover taxes. On June 4–5, 2026, he acquired 3,816 common shares from RSU vesting, with 1,846 shares withheld for tax obligations, and now directly holds about 109,647 common shares.

Pegasystems executive Leon Trefler reported routine equity compensation activity involving restricted stock units and related tax withholding. He exercised 1,176 restricted stock units into common stock, with no cash exercise price. To cover tax obligations, 463 common shares were disposed of at $35.73 per share, a tax-withholding transaction rather than an open-market sale.

After these transactions, Trefler directly holds 119,085 shares of common stock. He also continues to hold 3,526 restricted stock units that convert into one share of common stock each as they vest. According to the award terms, 20% of the units vested on March 1, 2023, and the remaining 80% vest in equal quarterly installments over the following four years, with the units expiring on March 1, 2027.

Pegasystems executive Kenneth Stillwell reported routine equity compensation activity involving restricted stock units and related tax withholding. He exercised 2,352 restricted stock units, receiving the same number of common shares. To cover tax obligations, 926 common shares were disposed of through a tax-withholding transaction at $35.73 per share, which is not an open-market sale.

Following these transactions, Stillwell directly holds 109,958 shares of common stock and 7,052 restricted stock units. An additional 1,908 common shares are reported as indirectly owned through his children. Overall, the filing reflects compensation vesting and associated tax payments rather than discretionary market trading.

Pegasystems executive John Gerard Higgins reported routine equity compensation activity involving restricted stock units (RSUs). On 2026-06-01, he exercised RSUs classified as derivative securities to acquire a total of 1,396 shares of Pegasystems common stock.

To cover tax obligations, the issuer withheld 780 shares through tax-withholding dispositions at a price of $35.73 per share, rather than selling shares in the open market. After these transactions, Higgins directly owned 53,609 shares of Pegasystems common stock.

The RSUs convert into one share of common stock per unit following vesting. Footnotes indicate that 20% of the RSUs vest on the initial exercisable date and the remaining 80% vest in equal quarterly installments over the following four years, reflecting a typical multi-year vesting schedule.

Pegasystems Chief Product Officer Rifat Kerim Akgonul exercised 1,176 restricted stock units into an equal number of common shares on June 1, 2026. 569 shares were delivered at $35.73 per share to satisfy tax obligations. After these transactions, he directly holds 107,677 shares of Pegasystems common stock.

Pegasystems Inc. SVP and Chief Accounting Officer Efstathios A. Kouninis reported multiple equity transactions in company stock. On May 29, 2026, he sold 750 shares of common stock at $34.75 per share. On June 1, 2026, he sold another 750 shares at $36.99 per share.

Also on June 1, 2026, 204 restricted stock units converted into 204 common shares, and 50 shares were withheld at $35.73 per share to cover tax obligations. After these transactions, he directly holds 2,298 shares of common stock and 618 restricted stock units. Overall, the filings show a net sale of 1,500 shares.

Pegasystems Inc Chief Product Officer Rifat Kerim Akgonul sold 4,545 shares of common stock in an open-market transaction at $33.35 per share. After this sale, he directly holds 107,070 shares of Pegasystems common stock, indicating he retained the vast majority of his position.

PEGASYSTEMS INC COO and CFO Kenneth Stillwell reported a combination of option exercises, tax withholding, and share sales in company stock. He exercised stock options for 25,920 shares of common stock at $16.95 per share, then 17,537 shares were disposed of to cover tax obligations at $36.32 per share. He also sold 8,383 shares in an open-market transaction at $36.45 per share. After these transactions, he directly holds 108,532 common shares, with an additional 1,908 shares reported as indirectly held for his children.

Pegasystems Inc. executive Kenneth Stillwell, the company’s COO and CFO, reported an open-market sale of 1,000 shares of common stock at $43.17 per share. The sale was made pursuant to a pre-arranged Rule 10b5-1 trading plan adopted by Mr. Stillwell. After the transaction, he directly holds 108,532 common shares. A separate entry shows 1,908 shares held indirectly for his children, which reflects ongoing indirect ownership rather than a new trade.

PEGASYSTEMS INC senior vice president and chief accounting officer Efstathios A. Kouninis reported an open-market sale of 1,000 shares of common stock at $42.88 per share. After this transaction on March 17, 2026, he directly holds 3,365 common shares.

Pegasystems Inc. Chief Product Officer Rifat Kerim Akgonul reported a combination of option exercises and share dispositions. He exercised stock options for 30,000 shares of common stock at $23.64 per share, converting a fully vested grant into owned shares. On the same date, he sold 7,594 shares of common stock in an open-market transaction at $43.39 per share and had 22,406 shares withheld at $43.36 per share to cover tax obligations. Following these transactions, he directly owns 119,023 shares of Pegasystems common stock.

Pegasystems Chief Product Officer Rifat Kerim Akgonul exercised stock options for 30,000 shares of common stock at an exercise price of $23.64 per share. The options were fully vested at the time of exercise.

To cover related obligations, 21,912 shares were disposed of at $43.49 per share as a tax-withholding transaction, and 8,088 shares were sold in an open-market transaction at $43.565 per share. After these transactions, Akgonul directly owned 111,429 shares of Pegasystems common stock.

Pegasystems Inc executive Leon Trefler, Chief of Clients and Markets, sold 6,700 shares of common stock in an open-market transaction on March 10, 2026 at $44.755 per share. After this sale, he directly holds 118,372 Pegasystems shares.